Relevant bibliographies by topics / Silicon-SEI mechanics

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  2. Conference papers

Academic literature on the topic 'Silicon-SEI mechanics'

Author: Grafiati
Published: 7 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Silicon-SEI mechanics"

1

Köbbing, Lukas, Arnulf Latz, and Birger Horstmann. "Modeling of the Solid-Electrolyte Interphase: Transport Mechanisms and Mechanics." ECS Meeting Abstracts MA2023-01, no. 45 (2023): 2480. http://dx.doi.org/10.1149/ma2023-01452480mtgabs.

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The solid-electrolyte interphase (SEI) considerably affects the performance and lifetime of lithium-ion batteries. Although the SEI has been investigated for many years, various central aspects of this thin passivation layer are still ambiguous due to its generic complexity. Therefore, we thoroughly investigate the growth mechanisms and the mechanical behavior of the SEI. The long-term growth of the SEI is the main reason which determines the shelf-life of state-of-the-art lithium-ion batteries. Nonetheless, the relevant transport mechanism responsible for the continued growth of the SEI is st
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Weddle, Peter J., Ankit Verma, Andrew M. Colclasure, and Kandler Smith. "Model-Informed Si Electrode Design Considering Dynamic Pore-Closure and Stack Pressure Effects." ECS Meeting Abstracts MA2022-02, no. 2 (2022): 135. http://dx.doi.org/10.1149/ma2022-022135mtgabs.

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Silicon is novel Li-ion battery anode chemistry with exceptional theoretical energy densities. However, this alloying material has significant challenges with non-passivating solid-electrolyte interface (SEI) formation and significant chemo-mechanics issues. These issues have been studied extensively at the particle-level. However, extensive SEI formation and dynamic particle chemo-mechanics need to be accounted for when designing the overall electrode microstructure. For example, Si particle expansion can result in electrolyte pore-closure. During charging (Si lithiation), Si particles near t
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3

Ruan, Ling Fang, Jia Wei Wang, and Shao Ming Ying. "Research Progress and Application of Modified Silicon-Based Anode Materials for Lithium-Ion Batteries." Materials Science Forum 1036 (June 29, 2021): 35–44. http://dx.doi.org/10.4028/www.scientific.net/msf.1036.35.

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Silicon-based anode materials have been widely discussed by researchers because of its high theoretical capacity, abundant resources and low working voltage platform,which has been considered to be the most promising anode materials for lithium-ion batteries. However,there are some problems existing in the silicon-based anode materials greatly limit its wide application: during the process of charge/discharge, the materials are prone to about 300% volume expansion, which will resultin huge stress-strain and crushing or collapse on the anods; in the process of lithium removal, there is some rea
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Köbbing, Lukas, Yannick Kuhn, and Birger Horstmann. "Slow Voltage Relaxation of Silicon Nanoparticles with a Chemo-Mechanical Core–Shell Model." ACS Applied Materials & Interfaces 16, no. 49 (2024): 67609–19. https://doi.org/10.1021/acsami.4c12976.

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L. Köbbing, Y. Kuhn, and B. Horstmann, "Slow Voltage Relaxation of Silicon Nanoparticles with a Chemo-Mechanical Core–Shell Model", ACS Applied Materials & Interfaces, 2024, doi: 10.1021/acsami.4c12976
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Rodrigues, Marco-Tulio F. "A Discussion on the Unconventional Electrochemistry of Silicon Anodes." ECS Meeting Abstracts MA2024-02, no. 5 (2024): 529. https://doi.org/10.1149/ma2024-025529mtgabs.

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Replacing graphite anodes with silicon can potentially increase cell energy by >20%. Performance of high-energy cells based on silicon was historically limited by mechanics, as Si particles would experience extensive fracturing that led to capacity fade. These concerns appear to have been mitigated, as data recently disclosed by several US-based manufacturers of Si-containing cells display superb capacity and energy retention over extended cycling.[1] Rather, this newly gained durability has brought to the fore issues with calendar aging,[1] which currently limits the wider adoption of high
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McBrayer, Josefine, Katharine L. Harrison, Kyle Fenton, and Shelley Minteer. "Mechanical Impacts from Cycling on Silicon Calendar Aging Measurements." ECS Meeting Abstracts MA2023-01, no. 2 (2023): 561. http://dx.doi.org/10.1149/ma2023-012561mtgabs.

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Much of the silicon anodes for lithium ion batteries literature concentrates on the volume expansion of silicon leading to poor cycle life. Recently, the poor calendar life of silicon has become more of a focus. Calendar aging is typically measured by long periods of open circuit voltage (OCV) that are intermittently interrupted with a reference performance test (RPT) to quantify performance and capacity fade. The United States Advanced Battery Consortium LLC protocol calls for an RPT once a month with daily voltage pulses to keep the state of charge the same during the rest. If the solid elec
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7

Köbbing, Lukas, Arnulf Latz, and Birger Horstmann. "Explaining the Voltage Hysteresis and Slow Relaxation of Silicon Nanoparticles with a Chemo-Mechanical Particle-SEI Model." ECS Meeting Abstracts MA2024-02, no. 7 (2024): 823. https://doi.org/10.1149/ma2024-027823mtgabs.

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Silicon is widely considered to be a promising next-generation anode material, primarily due to its remarkably high theoretical capacity. Furthermore, silicon is an abundant, cheap, and widely spread material. However, a major challenge for the commercialization of silicon anodes is the significant voltage hysteresis reducing efficiency and leading to detrimental heat generation during fast-charging. Additionally, the hysteresis causes an unclear state-of-charge (SOC) to voltage relation impeding precise SOC estimation. The voltage hysteresis behavior of silicon anodes is addressed in literatu
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8

Nakamoto, Mitsunori, Nobuhiro Inoue, and Hideyuki Kumita. "Experimental and Computational Study on SEI Composition and Electrochemical Performance of Lithium-Ion Battery with Silicon Oxide-Graphite Composite Electrode." ECS Meeting Abstracts MA2023-01, no. 2 (2023): 679. http://dx.doi.org/10.1149/ma2023-012679mtgabs.

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Demand on batteries with high energy density is surging. Conventionally, carbon materials have been used as an anode active material, but recently silicon materials are likely to be incorporated to form a composite anode in lithium-ion batteries (LIBs) for higher energy density. However, LIBs which include silicon materials in anode tend to show a low cycle performance especially the ratio of silicon materials in the anode increases. Commercial LIBs still have difficulty in incorporating large amount of silicon materials especially under the requirements where multiple aspects like safety, cha
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9

Yao, Koffi, Rownak Jahan Mou, Sattajit Barua, and Daniel P. Abraham. "(Digital Presentation) Unraveling of the Morphology and Chemistry Dynamics in the FEC-Generated Silicon Anode SEI across Delithiated and Lithiated States." ECS Meeting Abstracts MA2023-02, no. 8 (2023): 3289. http://dx.doi.org/10.1149/ma2023-0283289mtgabs.

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The silicon solid electrolyte interphase (SEI) faces cyclical cracking and reconstruction due to the ~350% volume expansion of Si which leads to shortened cell life during electrochemical cycling. Understanding the SEI morphology/chemistry and more importantly its dynamic evolution from delithiated and lithiated states is paramount to engineering a stable Si anode. Fluoroethylene carbonate (FEC) is a preferred additive with widely demonstrated enhancement of the Si cycling. Thus, insights into the effects of FEC on the dynamics of the resulting SEI may provide hints toward engineering the Si i
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10

Yao, Koffi, Rownak Jahan Mou, Sattajit Barua, and Daniel P. Abraham. "Unraveling Morphology and Chemistry Dynamics in Fluoroethylene Carbonate Generated Silicon Anode Solid Electrolyte Interphase across Delithiated and Lithiated States." ECS Meeting Abstracts MA2024-01, no. 2 (2024): 198. http://dx.doi.org/10.1149/ma2024-012198mtgabs.

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The silicon (Si) solid electrolyte interphase (SEI) faces cyclical cracking and reconstruction due to the ~350% volume expansion. Understanding the SEI dynamic morphology and chemistry evolution from delithiated to lithiated states is thereby paramount to engineering a stable Si anode. Fluoroethylene carbonate (FEC) is a preferred additive with widely demonstrated enhancement of the Si cycling. Thus, insights into the dynamics of the FEC-SEI may provide hints toward engineering the Si interface. Herein, complementary ATR-FTIR, AFM, tip IR, and XPS probing reveal the presence of an elastomeric
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Conference papers on the topic "Silicon-SEI mechanics"

1

Bansal, Parth, and Yumeng Li. "Multiscale Modeling and Simulation of Silicon Anode." In ASME 2024 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/imece2024-145553.

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Abstract The growing demand for portable battery power has led to ongoing innovations in battery design, with Silicon (Si) emerging as a promising material for Lithium-Ion Batteries (LIBs) due to its advantages over traditional graphite anodes. However, Si anodes face challenges such as volumetric changes during charge cycles, which cause internal stresses, delamination, and reduced capacity. To tackle these issues, this study examines the potential of using an Inverse Opal (IO) structure in Si anode design. Investigations are conducted on its effects on cracking, delamination, and capacity lo
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Bansal, Parth, and Yumeng Li. "Multiphysics-Informed Machine Learning for Mechanical-Induced Degradation of Silicon Anode." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113404.

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Abstract Silicon (Si) anode based lithium-ion batteries (LIBs) are being developed and used in various portable electronic technologies because of their better life cycle performance and safety. These Si anode based LIBs also provide a better capacity due to the unique intercalating mechanisms of lithium (Li) into Si. However, due to this unique mechanism, volumetric changes upto 300% have been observed in these batteries that leads to the development of internal stresses in the Si anode which ultimately results in cracking and delamination in it. These two cracking and delamination failure mo
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3

Bansal, Parth, and Yumeng Li. "Multiphysics-Informed Machine Learning for Battery Design and Health Monitoring." In ASME 2023 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/detc2023-117113.

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Abstract Current Lithium-ion battery (LIBs) designs are nearing the end of their performance capabilities. As the application and demand on these LIBs are growing continuously, there is also a need for continuous innovation both in the area of battery design and the area of battery state of health (SoH) monitoring. Using a silicon (Si) anode instead of a traditionally used graphite electrode allows an increase in the performance of existing LIBs. However, this increased performance comes at the cost of large stresses that develop in the anode as a result of large volumetric changes due to the
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