Relevant bibliographies by topics / SEI (Solid Electrolyte Interphase)

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'SEI (Solid Electrolyte Interphase)'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "SEI (Solid Electrolyte Interphase)"

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Yang, Shi-Jie, Nan Yao, Xiang-Qun Xu, et al. "Formation mechanism of the solid electrolyte interphase in different ester electrolytes." Journal of Materials Chemistry A 9, no. 35 (2021): 19664–68. http://dx.doi.org/10.1039/d1ta02615a.

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Fan, Xiulin, Xiao Ji, Fudong Han, et al. "Fluorinated solid electrolyte interphase enables highly reversible solid-state Li metal battery." Science Advances 4, no. 12 (2018): eaau9245. http://dx.doi.org/10.1126/sciadv.aau9245.

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Solid-state electrolytes (SSEs) are receiving great interest because their high mechanical strength and transference number could potentially suppress Li dendrites and their high electrochemical stability allows the use of high-voltage cathodes, which enhances the energy density and safety of batteries. However, the much lower critical current density and easier Li dendrite propagation in SSEs than in nonaqueous liquid electrolytes hindered their possible applications. Herein, we successfully suppressed Li dendrite growth in SSEs by in situ forming an LiF-rich solid electrolyte interphase (SEI) between the SSEs and the Li metal. The LiF-rich SEI successfully suppresses the penetration of Li dendrites into SSEs, while the low electronic conductivity and the intrinsic electrochemical stability of LiF block side reactions between the SSEs and Li. The LiF-rich SEI enhances the room temperature critical current density of Li3PS4to a record-high value of >2 mA cm−2. Moreover, the Li plating/stripping Coulombic efficiency was escalated from 88% of pristine Li3PS4to more than 98% for LiF-coated Li3PS4. In situ formation of electronic insulating LiF-rich SEI provides an effective way to prevent Li dendrites in the SSEs, constituting a substantial leap toward the practical applications of next-generation high-energy solid-state Li metal batteries.
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Ferrara, Chiara, Riccardo Ruffo, and Piercarlo Mustarelli. "The Importance of Interphases in Energy Storage Devices: Methods and Strategies to Investigate and Control Interfacial Processes." Physchem 1, no. 1 (2021): 26–44. http://dx.doi.org/10.3390/physchem1010003.

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Extended interphases are playing an increasingly important role in electrochemical energy storage devices and, in particular, in lithium-ion and lithium metal batteries. With this in mind we initially address the differences between the concepts of interface and interphase. After that, we discuss in detail the mechanisms of solid electrolyte interphase (SEI) formation in Li-ion batteries. Then, we analyze the methods for interphase characterization, with emphasis put on in-situ and operando approaches. Finally, we look at the near future by addressing the issues underlying the lithium metal/electrolyte interface, and the emerging role played by the cathode electrolyte interphase when high voltage materials are employed.
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Single, Fabian, Birger Horstmann, and Arnulf Latz. "Dynamics and morphology of solid electrolyte interphase (SEI)." Physical Chemistry Chemical Physics 18, no. 27 (2016): 17810–14. http://dx.doi.org/10.1039/c6cp02816k.

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We develop a novel modeling scheme for the formation the solid electrolyte interphase (SEI) on lithium ion battery anodes. Our model is based on two transport mechanisms and predicts SEI morphology evolution in a spatially resolved way.
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Shi, Feifei, Allen Pei, David Thomas Boyle, et al. "Lithium metal stripping beneath the solid electrolyte interphase." Proceedings of the National Academy of Sciences 115, no. 34 (2018): 8529–34. http://dx.doi.org/10.1073/pnas.1806878115.

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Lithium stripping is a crucial process coupled with lithium deposition during the cycling of Li metal batteries. Lithium deposition has been widely studied, whereas stripping as a subsurface process has rarely been investigated. Here we reveal the fundamental mechanism of stripping on lithium by visualizing the interface between stripped lithium and the solid electrolyte interphase (SEI). We observed nanovoids formed between lithium and the SEI layer after stripping, which are attributed to the accumulation of lithium metal vacancies. High-rate dissolution of lithium causes vigorous growth and subsequent aggregation of voids, followed by the collapse of the SEI layer, i.e., pitting. We systematically measured the lithium polarization behavior during stripping and find that the lithium cation diffusion through the SEI layer is the rate-determining step. Nonuniform sites on typical lithium surfaces, such as grain boundaries and slip lines, greatly accelerated the local dissolution of lithium. The deeper understanding of this buried interface stripping process provides beneficial clues for future lithium anode and electrolyte design.
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Wang, Huwei, Dengyun Zhai, and Feiyu Kang. "Solid electrolyte interphase (SEI) in potassium ion batteries." Energy & Environmental Science 13, no. 12 (2020): 4583–608. http://dx.doi.org/10.1039/d0ee01638a.

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Wu, Bingbin, Shanyu Wang, Joshua Lochala, et al. "The role of the solid electrolyte interphase layer in preventing Li dendrite growth in solid-state batteries." Energy & Environmental Science 11, no. 7 (2018): 1803–10. http://dx.doi.org/10.1039/c8ee00540k.

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Smeu, Manuel, and Kevin Leung. "Electron leakage through heterogeneous LiF on lithium–metal battery anodes." Physical Chemistry Chemical Physics 23, no. 5 (2021): 3214–18. http://dx.doi.org/10.1039/d0cp06310j.

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Piernas-Muñoz, M. J., A. Tornheim, S. Trask, Z. Zhang, and I. Bloom. "Surface-enhanced Raman spectroscopy (SERS): a powerful technique to study the SEI layer in batteries." Chemical Communications 57, no. 18 (2021): 2253–56. http://dx.doi.org/10.1039/d0cc08001b.

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Yang, Guanghua, Junli Shi, Cai Shen, et al. "Improving the cyclability performance of lithium-ion batteries by introducing lithium difluorophosphate (LiPO2F2) additive." RSC Advances 7, no. 42 (2017): 26052–59. http://dx.doi.org/10.1039/c7ra03926c.

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The cyclability of lithium-ion batteries (LIBs) is often affected by the components of the solid electrolyte interphase (SEI) layer which is generated from electrochemical decomposition of electrolyte.
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Dissertations / Theses on the topic "SEI (Solid Electrolyte Interphase)"

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Berglund, Anna. "Simulating Li-ion battery ageing through solid electrolyte interphase growth in graphite/NMC cells." Thesis, Uppsala universitet, Strukturkemi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334651.

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Ageing mechanisms of graphite/NMC Li-ion batteries have been studied using computational methods. The purpose of the project was to investigate solid electrolyte interphase (SEI) formation and growth during cycling of the battery. The SEI layer formation was considered to be a reason for capacity fade of the battery. Irreversible consumption of cyclable Li-ions and increased resistance in the layer was considered to be the result of solid electrolyte layer formation and these two effects were studied more closely using cell modelling. The battery cycled with three cases of fast charge rates (2C, 4C and 6C) and the same discharge rate (1C) showed a thick film formation on the anode side and a higher film resistance when compared to the battery cycled with the same charge/discharge rate (1C). All investigated batteries were affected by the studied ageing mechanism, and in the case of batteries cycled with fast charge rates, the ageing was even more pronounced. The report includes a general description of Li-ion battery functionality, a summary of ageing mechanisms and a mathematical description of the electrochemistry governing the battery and implemented in the software.
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Andersson, Edvin. "Spectroelectrochemical analysis of the Li-ion battery solid electrolyte interphase using simulated Raman spectra." Thesis, Uppsala universitet, Fasta tillståndets fysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-413474.

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Lithium Ion Batteries (LIBs) are important in today's society, powering cars and mobile devices. LIBs consist of a negative anode commonly made of graphite, and a positive cathode commonly made from transition metal oxides. Between these electrodes are separators and organic solvent based electrolyte. Due to the high potential of LIBs the electrolyte is reduced at the anode. The electrolyte reduction results in the formation of a layer called the Solid Electrolyte Interphase (SEI), which prohibits the further breakdown of the electrolyte. Despite being researched for over50 years, the composition formation of the SEI is still poorly understood. The aim of this project is to develop strategies for efficient identification and classification of various active and intermediate components in the SEI, to, in turn, gain an understanding of the reactions taking place, which will help find routes to stabilize and tailor the composition of the SEI layer for long-term stability and optimal battery performance. For a model gold/li-ion battery electrolyte system, Raman spectra will be obtained using Surface Enhanced Raman Spectroscopy (SERS) in a spectroelectrochemical application where the voltage of the working gold electrode is swept from high to low potentials. Spectra of common components of the SEI as well as similar compounds will be simulated using Density Functional Theory (DFT). The DFT data is also used to calculate the spontaneity of reactions speculated to form the SEI. The simulated data will be validated by comparing it to experimental spectra from pure substances. The spectroelectrochemical SERS results show a clear formation of Li-carbonate at the SERS substrate, as well as the decomposition of the electrolyte into other species, according to the simulated data. It is however shown that there are several issues when modelling spectra, that makes it harder to correlate the simulated spectra with the spectroelectrochemical spectra. These issues include limited knowledge of the structure of the compounds thought to form on the anode surface, and incorrect choices in simulational parameters. To solve these issues, more work is needed in these areas, and the spectroelectrochemical methods used in this thesis needs to be combined with other experimental methods to narrow down the amount of compounds to be modelled. More work is also needed to avoid impurities in the electrolyte. Impurities leads to a thick inorganic layer which prohibits the observation of species in the organic layer.
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Ciosek, Högström Katarzyna. "The Complex Nature of the Electrode/Electrolyte Interfaces in Li-ion Batteries : Towards Understanding the Role of Electrolytes and Additives Using Photoelectron Spectroscopy." Doctoral thesis, Uppsala universitet, Strukturkemi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-219336.

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The stability of electrode/electrolyte interfaces in Li-ion batteries is crucial to the performance, lifetime and safety of the entire battery system. In this work, interface processes have been studied in LiFePO4/graphite Li-ion battery cells.  The first part has focused on improving photoelectron spectroscopy (PES) methodology for making post-mortem battery analyses. Exposure of cycled electrodes to air was shown to influence the surface chemistry of the graphite. A combination of synchrotron and in-house PES has facilitated non-destructive interface depth profiling from the outermost surfaces into the electrode bulk. A better understanding of the chemistry taking place at the anode and cathode interfaces has been achieved. The solid electrolyte interphase (SEI) on a graphite anode was found to be thicker and more inhomogeneous than films formed on cathodes. Dynamic changes in the SEI on cycling and accumulation of lithium close to the carbon surface have been observed.    Two electrolyte additives have also been studied: a film-forming additive propargyl methanesulfonate (PMS) and a flame retardant triphenyl phosphate (TPP). A detailed study was made at ambient and elevated temperature (21 and 60 °C) of interface aging for anodes and cathodes cycled with and without the PMS additive. PMS improved cell capacity retention at both temperatures. Higher SEI stability, relatively constant thickness and lower loss of cyclable lithium are suggested as the main reasons for better cell performance. PMS was also shown to influence the chemical composition on the cathode surface. The TPP flame retardant was shown to be unsuitable for high power applications. Low TPP concentrations had only a minor impact on electrolyte flammability, while larger amounts led to a significant increase in cell polarization. TPP was also shown to influence the interface chemistry at both electrodes. Although the additives studied here may not be the final solution for improved lifetime and safety of commercial batteries, increased understanding has been achieved of the degradation mechanisms in Li-ion cells. A better understanding of interface processes is of vital importance for the future development of safer and more reliable Li-ion batteries.
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Martin, Lucile. "Etude de l'oxyde de cuivre CuO, matériau de conversion en film mince pour microbatteries au lithium : caractérisation des processus électrochimiques et chimiques en cyclage." Thesis, Pau, 2013. http://www.theses.fr/2013PAUU3027/document.

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La miniaturisation des appareils électroniques et la multiplication de leurs fonctionnalités conduisent à développer des microsources d’énergie adaptées, parmi lesquelles figurent les microbatteries au lithium. Malgré leurs excellentes performances, ces systèmes de stockage électrochimique tout solide restent toutefois limités en termes de capacité surfacique. Cette caractéristique étant intrinsèquement liée aux matériaux d’électrodes, nous avons choisi de nous intéresser à des couches minces de CuO, dont la capacité volumique théorique (426 µAh .cm-2.µm-1) est sensiblement plus élevée que celle des matériaux d’intercalation utilisés jusqu’à présent. Ce matériau réagit avec le lithium selon un mécanisme particulier, dit de conversion, qui induit la formation d’un système multiphasé et nanostructuré d’une grande complexité. Dans le cadre de ce travail, la compréhension des mécanismes électrochimiques et chimiques mis en jeu au cours du cyclage de couches minces d’oxyde de cuivre (CuO) a été l’objectif majeur. Celui-ci a nécessité une caractérisation fine du matériau actif d’électrode et des interfaces générées (interfaces solide/solide et interface solide/électrolyte). Ces études ont été principalement menées à partir de la Spectroscopie Photoélectronique à Rayonnement X (XPS), de la Microscopie à Force Atomique (AFM) et d’une modélisation théorique exploitant les méthodes de la chimie quantique. Les propriétés chimiques et morphologiques des couches minces de CuO cyclées ont été corrélées à leur comportement électrochimique. Une forte influence de leur structure et de leur morphologie initiales a pu être ainsi mise en évidence<br>The miniaturization of electronic components and the increasing number of their functionalities lead to the development of suitable energy microsources, among which lithium microbatteries appear. Despite the excellent performances of these all-solid-state electrochemical power sources, one main limitation that remains is their surface capacity. Its value being intrinsically connected to the nature of electrode materials, we chose to focus on CuO thin films which are characterized by a theoretical volumetric capacity (426 µAh .cm-2.µm-1) in far larger than the one of conventional intercalation materials used today. Indeed, this material reacts with lithium according to a particular mechanism, referred as conversion reaction, inducing the formation of a multiphase nanostructured system with a high complexity. In the framework of this study, understanding of electrochemical and chemical mechanisms which take place during the cycling of copper oxide thin films (CuO) was the main objective. This one has required a fine characterization of the electrode active material and the generated interfaces (solid/solid interfaces and solid/electrolyte interface). These studies have been mainly carried out with X-ray Photoelectron Spectroscopy (XPS), Atomic Force Microscopy (AFM) and theoretical approaches based on quantum chemistry methods. The chemical and morphological properties of the cycled CuO thin films have been linked to their electrochemical behavior. An important influence of their initial structure and morphology was then evidenced
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Törnblom, Pontus. "Ethyl 2,2-difluoroacetate as Possible Additive for Hydrogen-Evolution-Suppressing SEI in Aqueous Lithium-Ion Batteries." Thesis, Uppsala universitet, Strukturkemi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-448596.

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The performance and lifetime of lithium-ion batteries are strongly influenced by their composition. One category of critical components are electrolyte additives, which are included primarily to stabilize electrode/electrolyte interfaces in the battery cells by forming passivation layers. The presented study aimed to identify and study such an additive that could form a hydrogen-evolution-suppressing solid electrolyte interphase (SEI) in lithium-ion batteries based on aqueous electrolytes. A promising molecular additive, ethyl 2,2-difluoroacetate (EDFA), was found to hold the qualities required for an SEI former and was herein further analyzed electrochemically. Analysis of the battery cells were performed with linear sweep voltammetry and cyclic voltammetry with varying scan rate and EDFA concentrations. Results show that both 1 and 10 w-% EDFA in the electrolyte produced hydrogen-evolution-suppressing SEI:s, although the higher concentration provided no apparent benefit. Lithium-ion full-cells based on LiMn2O4 vs. Li4Ti5O12 active materials displayed poor, though partly reversible, dis-/charge cycling despite the operation of the electrode far outside the electrochemical stability window of the electrolyte. Inclusion of reference electrodes in the lithium-ion cells proved to be immensely challenging with unpredictable drifts in their electrode potentials during operation. To summarize, HER-suppressing electrolyte additives are demonstrated to be a promising approach to stabilize high-voltage operation of aqueous lithium-ion cells although further studies are necessary before any practical application thereof can be realized. Electrochemical evaluation of the reaction mechanism and efficiency of the electrolyte additives relies however heavily on the use of reference electrodes and further development thereof is necessary.
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Zhang, Qinglin. "IMPROVING THE CAPACITY, DURABILITY AND STABILITY OF LITHIUM-ION BATTERIES BY INTERPHASE ENGINEERING." UKnowledge, 2016. http://uknowledge.uky.edu/cme_etds/60.

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This dissertation is focus on the study of solid-electrolyte interphases (SEIs) on advanced lithium ion battery (LIB) anodes. The purposes of this dissertation are to a) develop a methodology to study the properties of SEIs; and b) provide guidelines for designing engineered SEIs. The general knowledge gained through this research will be beneficial for the entire battery research community.
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Chrétien, Fabien. "Etude de l'effet des sels de lithium de la couche de passivation sur la cyclabilité d'un accumulateur lithium-ion." Thesis, Tours, 2015. http://www.theses.fr/2015TOUR4009/document.

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Limiter le vieillissement des accumulateurs lithium-ion est un challenge pour optimiser leur utilisation notamment dans le domaine spatial. La qualité de la couche de passivation (SEI), formée à la surface de l’électrode négative de graphite lors des premiers cycles de vie de la batterie, est déterminante pour ses performances futures. Celle-ci est composée de polymères et de divers sels de lithium dont la dissolution, la précipitation et la migration affectent les performances. Cette étude vise à comprendre l’impact de ces composés sur la cyclabilité et de proposer des solutions à l’effet néfaste de ces sels sur le bon fonctionnement et le vieillissement de l’accumulateur Li-ion. La première partie de ce travail aborde l’impact de divers sels de lithium de la SEI (LiF, Li2CO3, LiOH, LiOCH3, LiOC2H5) sur le comportement en cyclage des accumulateurs. Par la suite, nous avons proposé des solutions pour améliorer le comportement qu’engendre la présence de ces sels sur les performances à travers deux approches. La première concerne l’utilisation de co-solvants complexants de la famille des glymes. La seconde approche consiste à modifier les propriétés interfaciales électrodes/électrolyte par l’ajout d’additifs tensioactifs à l’électrolyte. Les résultats montrent dans les deux cas des améliorations notables de la cyclabilité des dispositifs en demi-pile et en cellule complète<br>Limiting the lithium-ion batteries ageing is a challenge to overcome in the field of spatial applications. The quality of the solid electrolyte interfaces (SEI), created at the electrode surface during the first cycles of the battery, is decisive for its future performances. The SEI is composed of polymers and several lithium salts which are able to dissolve, precipitate and migrate in the electrolyte and hence modify the battery performances. This study aims to understand the impact of the dissolution of these compounds on the cell cycling ability and to propose solutions to avoid the harmful effects of these salts on the battery ageing. The first part of this study is devoted to the study of the effect of dissolved SEI lithium salts (LiF, LiOH, Li2O, Li2CO3 , LiOCH3, LiOC2H5) on the cycling ability of half and full cells.In order to improve the battery performances in spite of the presence of these SEI salts in the electrolyte, two solutions have been examined. The first one is to add a co-solvent belonging to the glyme family which is able to form complexes with lithium ions and the second to use a surfactant additive which will modify the interfacial electrode/electrolyte properties. Results show that in both cases an improvement in half-cell or full-cell cycling ability was achieved
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Jin, Yanting. "Understanding the solid electrolyte interphase formed on Si anodes in lithium ion batteries." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/288372.

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The main aim of this thesis is to reveal the chemical structures of the solid-liquid interphase in lithium ion batteries by NMR spectroscopy in order to understand the working mechanism of electrolyte additives for achieving stable cycling performance. In the first part, a combination of solution and solid-state NMR techniques, including dynamic nuclear polarization (DNP) are employed to monitor the formation of the solid electrolyte interphase (SEI) on next-generation, high-capacity Si anodes in conventional carbonate electrolytes with and without fluoroethylene carbonate (FEC) additives. A model system of silicon nanowire (SiNW) electrode is used to avoid interference from the polymeric binder. To facilitate characterization via one- and two-dimensional NMR, ^13C-enriched FEC was synthesized and used, ultimately allowing a detailed structural assignment of the organic SEI. FEC is found to first defluorinated to form soluble vinylene carbonate (VC) and vinoxyl species, which react to form both soluble and insoluble branched ethylene-oxide-based polymers. In the second part, the same methodology is applied to study the decomposition products of pure FEC or VC electrolytes containing 1 M LiPF_6. The pure FEC/VC system simplifies the electrolyte solvent formulation and avoids the interaction between different solvent molecules. Polymeric SEIs formed in pure FEC or VC electrolytes consist mainly of cross-linked PEO and aliphatic chain functionalities along with additional carbonate and carboxylate species. The presence of cross-linked PEO-type polymers in FEC and VC correlates with good capacity retention and high Coulombic efficiencies of the SiNWs anode. Using ^29Si DNP NMR, the interfacial region between SEI and the Si surface was probed for the first time with NMR spectroscopy. Organosiloxanes form upon cycling, confirming that some of the organic SEI is covalently bonded to the Si surface. It is suggested that both the polymeric structure of the SEI and the nature of its adhesion to the redox-active materials are important for electrochemical performance. Finally, the soluble decomposition products of EC formed during electrochemical cycling have been thoroughly analyzed by solution NMR and mass spectrometry, in order to explain the capacity-fading of Si anodes in a conventional EC-based electrolyte and address questions that arose when studying the additive-containing electrolytes. The detailed structures for the EC-degradation products are determined: a linear oligomer consist of ethylene oxide and carbonate units is observed as the major degradation product of EC.
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Bennett, Raffeal A. "Characterization of the Solid-Electrolyte Interface on Sn Film Electrodes by Electrochemical Quartz Crystal Microbalance." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1399048324.

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Goel, Ekta. "A lithium-ion test cell for characterization of electrode materials and solid electrolyte interphase." Master's thesis, Mississippi State : Mississippi State University, 2008. http://library.msstate.edu/etd/show.asp?etd=etd-03062008-081546.

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Books on the topic "SEI (Solid Electrolyte Interphase)"

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B, Balbuena Perla, and Wang Yixuan, eds. Lithium-ion batteries: Solid-electrolyte interphase. Imperial College Press, 2004.

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(Editor), Perla B. Balbuena, and Yixuan Wang (Editor), eds. Lithium-Ion Batteries: Solid-Electrolyte Interphase. Imperial College Press, 2004.

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Book chapters on the topic "SEI (Solid Electrolyte Interphase)"

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Pathak, Rajesh, Yue Zhou, and Qiquan Qiao. "The Role of Ex Situ Solid Electrolyte Interphase in Lithium Metal Batteries." In Advances in Sustainable Energy. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74406-9_17.

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Zhu, Yachao, and Olivier Fontaine. "Most Modern Supercapacitor Designs Advanced Electrolyte and Interface." In Supercapacitors [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98352.

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Electrolyte plays a key and significant role in supercapacitors. The interaction of an electrode and a chosen electrolyte has a significant effect on the parameters., i.e., ionic conductivity, stable potential range, and charge transfer coefficient, therefore determining the corresponding performance. The captivating interface between electrode and electrolyte is also pushing the intensive research. In this chapter, we focus on two kinds of electrolytes, including water-in-salt electrolytes and redox-ionic liquid. Water-in-salt electrolyte is drawing continuous attention thanks to the formed hydrophobic layer on the positive electrode and solid electrolyte interphase (SEI) on the negative side, preventing water splitting. On the other side, redox-ionic liquid, taking advantage of the broad and stable working window, on the interface, the redox shuttle passes and targets the suitable electrode bulk, leading to redox reactions to highlight capacitance and energy.
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Chagnes, Alexandre, and Jolanta Swiatowsk. "Electrolyte and Solid-Electrolyte Interphase Layer in Lithium-Ion Batteries." In Lithium Ion Batteries - New Developments. InTech, 2012. http://dx.doi.org/10.5772/31112.

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Leticia, Analia, Laura Cecilia, Horacio Esteban, and Adriana Cristina. "Electrode/Electrolyte Interphase Characterization in Solid Oxide Fuel Cells." In Hydrogen Energy - Challenges and Perspectives. InTech, 2012. http://dx.doi.org/10.5772/47756.

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S. Jayasree, Silpasree, Shantikumar Nair, and Dhamodaran Santhanagopalan. "Surface Chemical Analysis of Solid-Electrolyte Interphase Layer on Germanium Thin Films and the Effect of Vinylene Carbonate Electrolyte Additive." In Lithium-ion Batteries - Thin Film for Energy Materials and Devices. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.90032.

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WANG, ZHAOXIANG, XUEJIE HUANG, and LIQUAN CHEN. "SPECTROSCOPIC STUDIES OF SOLID-ELECTROLYTE INTERPHASE ON POSITIVE AND NEGATIVE ELECTRODES FOR LITHIUM ION BATTERIES." In Lithium-Ion Batteries. PUBLISHED BY IMPERIAL COLLEGE PRESS AND DISTRIBUTED BY WORLD SCIENTIFIC PUBLISHING CO., 2004. http://dx.doi.org/10.1142/9781860946448_0003.

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Schmickler, Wolfgang. "Introduction." In Interfacial Electrochemistry. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195089325.003.0006.

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Electrochemistry is an old science: There is good archaeological evidence that an electrolytic cell was used by the Parthans (250 B.C. to 250 A.D.), probably for electroplating, though a proper scientific investigation of electrochemical phenomena did not start before the experiments of Volta and Galvani. The meaning and scope of electrochemical science has varied throughout the ages: For a long time it was little more than a special branch of thermodynamics; later attention turned to electrochemical kinetics. During recent decades, with the application of various surface-sensitive techniques to electrochemical systems, it has become a science of interfaces, and this, we think, is where its future lies. So in this book we use as a working definition: . . . Electrochemistry is the study of structures and processes at the interface between an electronic conductor (the electrode) and an ionic conductor (the electrolyte) or at the interface between two electrolytes. . . This definition requires some explanation. (1) By interface we denote those regions of the two adjoining phases whose properties differ significantly from those of the bulk. These interfacial regions can be quite extended, particularly in those cases where a metal or semiconducting electrode is covered by a thin film. Sometimes the term interphase is used to indicate the spatial extention. (2) It would have been more natural to restrict the definition to the interface between an electronic and an ionic conductor only, and, indeed, this is generally what we mean by the term electrochemical interface. However, the study of the interface between two immiscible electrolyte solutions is so similar that it is natural to include it under the scope of electrochemistry. Metals and semiconductors are common examples of electronic conductors, and under certain circumstances even insulators can be made electronically conducting, for example by photoexcitation. Electrolyte solutions, molten salts, and solid electrolytes are ionic conductors. Some materials have appreciable electronic and ionic conductivities, and depending on the circumstances one or the other or both may be important.
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Conference papers on the topic "SEI (Solid Electrolyte Interphase)"

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Arora, Shashank. "A Novel Technique for Estimation of the Solid Electrolyte Interphase Film Resistance for Li-Ion Batteries." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87311.

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Solid electrolyte interphase (SEI) film resistance is an important parameter in the study of charge transfer kinetics of a Li-ion battery. The passive film affects diffusion process of Li-ions. As such, it becomes essential to include film resistance in battery modelling. However, the traditional method of estimating the SEI film resistance is costly and time consuming. An indirect approach based on Ohm’s law is thus presented in this paper. It relies on determining the interfacial polarisation from the difference of open-circuit voltage measured immediately after switching off the applied current and the equilibrium voltage. The technique is simple, easy to implement and can be used for a quick estimation of SEI film resistance with reasonable accuracy. For instance, average value of SEI film resistance for commercial LFP battery cell is measured as 0.004 Ohm · m2 , which was found to be consistent with the values determined using the impedance spectroscopy techhnique in the published literature for lithium-carbon film electrodes.
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Tanim, Tanvir R., Christopher D. Rahn, and Niklas Legnedahl. "Elevated Temperatures Can Extend the Life of Lithium Iron Phosphate Cells in Hybrid Electric Vehicles." In ASME 2015 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/dscc2015-9763.

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This study investigates the effects of elevated temperature on commercially available high power graphite/LiFePO4 cells using a temperature dependent, electrolyte enhanced, single particle model (ESPM-T) coupled with a Solid Electrolyte Interphase (SEI) layer growth aging model. The ESPM-T is capable of simulating up to 25C and 10 sec charge-discharge pulses within a 35–65% SOC window and 25°C to 40°C temperature range with less than 1% voltage error, so it is suitable for hybrid electric vehicle (HEV) applications. The aging model is experimentally validated with an aggressive HEV cycle running for 4 months with less than 1% error. Instead of defining battery End of Life (EOL) as an arbitrary percent of capacity loss, we use the cycle number when the battery voltage hits 3.6V/2V (maximum/minimum) voltage limits. This is the practical limit of operation without reduced performance. Simulations show that operating cells at 35°C increases their life by 45% compared to room temperature operation. If the cell temperature is increased stepwise, then battery life is increased 85% more with a 50°C cell temperature at EOL. Battery initial size can be reduced by 24% using this temperature set-point strategy.
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Huang, Meng, and Mrinal Kumar. "Electrochemical Model-Based Aging Characterization of Lithium-Ion Battery Cell in Electrified Vehicles." In ASME 2018 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dscc2018-8947.

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Lithium-ion battery cycle- and calendar-life remain to be one of the greatest uncertainties for the advanced energy storage systems. Accurate characterization of battery aging has been crucial for battery state-of-health (SOH) estimation and the remaining useful life (RUL) prediction. The formation-and-growth of the solid-electrolyte interphase (SEI) has been widely recognized as one of the most prominent battery degradation mechanisms. It consumes the cyclable lithium within the cell and ultimately leads to the capacity fade which cannot be measured directly onboard. This study evaluates the multi-scale multi-physics battery models and their respective aging mechanisms as well as the corresponding characterization metrics. Then the reduced order single particle model (SPM) is selected in this study, given its parametric dependence on both electrochemical and physical parameters as well as its compatibility to the available measurements in vehicle for aging characterization. nLi, the total moles of cyclable lithium within the cell, is identified as a valid aging parameter that can effectively characterize the capacity fade through the interpretation of experimental aging data. This study also investigates into the potentially optimal testing profile and the sufficient amount of data required for the accurate aging characterization. Then the method of brute force nearest neighbor search (NNS) is applied to derive the long-term evolution trend of the aging parameter nLi, which can serve as a key benchmark for validating the in-vehicle implementable algorithms for battery state-of-health (SOH) estimation and as an important foundation for predicting the remaining useful life (RUL) of battery.
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Gao, Yizhao, Bangjun Guo, Xi Zhang, Lin Wang, and Jianhua Cao. "Control-Oriented Modelling of Solid-Electrolyte Interphase Layer Growth for Li-Ion Batteries." In 2019 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2019. http://dx.doi.org/10.1109/vppc46532.2019.8952253.

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Liao, G. Y., S. Geier, T. Mahrholz, P. Wierach, and M. Wiedemann. "Temperature Influence on Electrical Properties of Carbon Nanotubes Modified Solid Electrolyte-Based Structural Supercapacitor." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3908.

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In the present work, we report on structural supercapacitors which are based on NASICON-type solid electrolyte Li1.4Al0.4Ti1.6(PO4)3 (LATP). The nanostructured electrodes incorporate single-wall carbon nanotubes (SWCNTs) mixed with the LATP electrolyte. The complete energy storage devices are manufactured in a sandwich structure consisting of two nanostructured electrode layers which are separated by a pure LATP layer. The as-prepared specimens are embedded in composite materials with Airstone 880/886H epoxy resin as matrix. Their electrical properties are characterized by electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). At ambient temperature, the addition of 6.5 wt. % SWCNTs results in a distinct improvement by reducing the total resistance of the embedded devices and enhances the capacitance from 0.025 mF g−1 to 3.160 mF g−1 at a scan rate of 5 mV s−1. Electrical measurements of two types of specimens are then applied under different temperatures from ambient temperature to 80 °C. It is observed that the equivalent series resistance (ESR) of device with SWCNTs decreases greatly and capacitance increases comparing with the device without SWCNTs. As a conclusion, the structural supercapacitors acquire excellent performance through high efficient double layer effects realized by nanostructured electrode/electrolyte interphase (large surface electrode areas).
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Barai, Pallab, Srdjan Simunovic, and Partha P. Mukherjee. "Damage and Crack Analysis in a Li-Ion Battery Electrode Using Random Spring Model." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88624.

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Lithium-ion batteries (LiB) are widely used in the electronics industry (such as, cell phones and laptop computers) because of their very high energy density, which reduced the size and weight of the battery significantly. LiB also serves as a renewable energy source for the transportation industry (see Ref. [1,2]). Graphite and LiCoO2 are most frequently used as anode and cathode material inside LiB (see Ref. [2,3]). During the charging and discharging process, intercalation and de-intercalation of Li occur inside the LiB electrodes. Non-uniform distributions of Li induce stress inside the electrodes, also known as diffusion induced stress (DIS). Very high charge or discharge rate can lead to generation of significant amount of tensile or compressive stress inside the electrodes, which can cause damage initiation and accumulation (see Ref. [4]). Propagation of these micro-cracks can cause fracture in the electrode material, which impacts the solid electrolyte interface (SEI) (see Ref. [2,3,5]). Concurrent to the reduction of cyclable Li, resistance between the electrode and electrolyte also increases, which affects the performance and durability of the electrode and has a detrimental consequence on the LiB life (see Ref. [6]).
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Arunachalam, Harikesh, Ilenia Battiato, and Simona Onori. "Preliminary Investigation of Provability of Li-Ion Macroscale Models Subject to Capacity Fade." In ASME 2016 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/dscc2016-9736.

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Estimating the remaining useful life of lithium-ion batteries is crucial for their application as energy storage devices in stationary and automotive applications. It is therefore important to understand battery degradation based on chemistry, usage patterns, and operating environment. Different degradation mechanisms that affect performance and durability of lithium-ion batteries have been identified over the past decades. Amongst them, the solid-electrolyte interface (SEI) layer growth has been observed to be the most influential cause of capacity fading. In this paper, we introduce for the very first time, a framework that evaluates the predictive ability of physics-based macroscopic models in capturing battery dynamics as function of their state-of-health (SoH). Using data from accelerated aging experiments, we identify the applicability conditions of classical electrochemical models. This analysis is performed using a phase diagram approach that involves parameters controlling the micro-scale dynamics inside the lithium-ion cell.
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Moura, Scott J., Jeffrey L. Stein, and Hosam K. Fathy. "Battery-Health Conscious Power Management for Plug-In Hybrid Electric Vehicles via Stochastic Control." In ASME 2010 Dynamic Systems and Control Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/dscc2010-4089.

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This paper investigates power management algorithms that optimally manage lithium-ion battery pack health, in terms of anode-side film growth, for plug-in hybrid electric vehicles (PHEVs). Specifically, we integrate a reduced electrochemical model of solid electrolyte interface (SEI) film formation into a stochastic dynamic programming formulation of the PHEV power management problem. This makes it possible to optimally trade off energy consumption cost versus battery health. A careful analysis of the resulting Pareto-optimal set of power management solutions provides two important insights into the tradeoffs between battery health and energy consumption cost in PHEVs. First, optimal power management solutions that minimize energy consumption cost tend to ration battery charge, while the solutions that minimize battery health degradation tend to deplete charge aggressively. Second, solutions that balance the needs for minimum energy cost and maximum battery health tend to aggressively deplete battery charge at high states of charge (SOCs), then blend engine and battery power at lower SOCs. These results provide insight into the fundamental tradeoffs between battery health and energy cost in PHEV power management.
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Zhou, Xin, Tulga Ersal, Jeffrey L. Stein, and Dennis S. Bernstein. "Battery Health Diagnostics Using Retrospective-Cost Subsystem Identification: Sensitivity to Noise and Initialization Errors." In ASME 2013 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/dscc2013-3953.

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Health management of Li-ion batteries requires knowledge of certain battery internal dynamics (e.g., lithium consumption and film growth at the solid-electrolyte interface) whose inputs and outputs are not directly measurable with noninvasive methods. Therefore, identification of those dynamics can be classified as an inaccessible subsystem identification problem. To address this problem, the retrospective-cost subsystem identification (RCSI) method is adopted in this paper. Specifically, a simulation-based study is presented that represents the battery using an electrochemistry-based battery charge/discharge model of Doyle, Fuller, and Newman augmented with a battery-health model by Ramadass. The solid electrolyte interface (SEI) film growth portion of the battery-health model is defined as the inaccessible subsystem to be identified using RCSI. First, it is verified that RCSI with a first-order subsystem structure can accurately estimate the film growth when noise or modeling errors are ignored. Parameter convergence issues are highlighted. Second, allowable input and output noise levels for desirable film growth tracking performance are determined by studying the relationship between voltage change and film growth in the truth model. The performance of RCSI with measurement noise is illustrated. The results show that RCSI can identify the film growth within 1.5% when the output measurement noise level is comparable to the change in output voltage between successive cycles due to film growth, or when the input measurement noise is comparable to the difference in current that results in a difference in voltage that is the same as the voltage change between successive cycles. Finally, the sensitivity of the performance of RSCI to initial condition errors in the battery charge/discharge model is investigated. The results show that when the initial conditions have an error of 1%, the identified results change by 7%. These results will help with selecting the appropriate sensors for the experiments with the hardware.
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