Gotowe bibliografie tematyczne / ORR, Electrochemistry, Pt-free, Zn-air battery / Artykuły w czasopismach
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Artykuły w czasopismach na temat „ORR, Electrochemistry, Pt-free, Zn-air battery”

Autor: Grafiati
Data publikacji: 6 września 2023

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Sprawdź 21 najlepszych artykułów w czasopismach naukowych na temat „ORR, Electrochemistry, Pt-free, Zn-air battery”.

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1

Yanhua, Lei, Ning Tan, Xinglong Tao, et al. "Innovative Fabrication of Pd/Pd4S Based Highly Active Electrocatalysts for ORR in a Primary Zn-Air Battery." Journal of The Electrochemical Society 169, no. 2 (2022): 024514. http://dx.doi.org/10.1149/1945-7111/ac4dac.

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On account of their high theoretical energy density and minimal cost, Zn-air batteries have gotten a lot of interest as a viable energy storage technology. However, the problem of a high overpotential at the cathode because of the slow oxygen reduction reaction (ORR) kinetics persists. Developing an efficient cathode ORR catalyst and exceeding in performance in comparison to the existing and widely utilized Pt-based catalysts is still a formidable challenge. Herein, this study focuses on the design of a Pt-free catalyst, precisely, Pd/Pd4S based electrocatalysts to enhance ORR performance of c
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2

Zhang, Xiangkun, Yun Li, Jingru Ren, and Yongmin Huang. "Synthesis of a Zn/Fe–N–C electrocatalyst towards efficient oxygen reduction reaction via a facile one-pot method." Materials Research Express 9, no. 2 (2022): 025604. http://dx.doi.org/10.1088/2053-1591/ac569e.

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Abstract The high price and unsatisfactory stability of Pt-based catalysts for the sluggish oxygen reduction reaction (ORR) severely limit the development of fuel cells and metal-air batteries. Therefore, developing Pt-free electrocatalysts with excellent activities and stabilities is significant. Herein, an efficient Zn/Fe–N–C electrocatalyst is synthesized via a facile one-pot method. Owing to its curved nanosheet structure, appropriate microporous and mesoporous specific surface areas, abundant defects and high Fe–Nx content, Zn/Fe–N–C exhibits remarkable ORR activity and stability in alkal
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3

Song, Dongmei, Changgang Hu, Zijian Gao, et al. "Metal–Organic Frameworks (MOFs) Derived Materials Used in Zn–Air Battery." Materials 15, no. 17 (2022): 5837. http://dx.doi.org/10.3390/ma15175837.

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It is necessary to develop new energy technologies because of serious environmental problems. As one of the most promising electrochemical energy conversion and storage devices, the Zn–air battery has attracted extensive research in recent years due to the advantages of abundant resources, low price, high energy density, and high reduction potential. However, the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) of Zn–air battery during discharge and charge have complicated multi-electron transfer processes with slow reaction kinetics. It is important to develop efficient and
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Hong, Wei, Xia Wang, Hongying Zheng, Rong Li, Rui Wu, and Jun Song Chen. "Molten-Salt-Assisted Synthesis of Nitrogen-Doped Carbon Nanosheets Derived from Biomass Waste of Gingko Shells as Efficient Catalyst for Oxygen Reduction Reaction." Processes 9, no. 12 (2021): 2124. http://dx.doi.org/10.3390/pr9122124.

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Developing superior efficient and durable oxygen reduction reaction (ORR) catalysts is critical for high-performance fuel cells and metal–air batteries. Herein, we successfully prepared a 3D, high-level nitrogen-doped, metal-free (N–pC) electrocatalyst employing urea as a single nitrogen source, NaCl as a fully sealed nanoreactor and gingko shells, a biomass waste, as carbon precursor. Due to the high content of active nitrogen groups, large surface area (1133.8 m2 g−1), and 3D hierarchical porous network structure, the as-prepared N–pC has better ORR electrocatalytic performance than the comm
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5

Kim, Seonghee, Hyun Park, and Oi Lun Li. "Cobalt Nanoparticles on Plasma-Controlled Nitrogen-Doped Carbon as High-Performance ORR Electrocatalyst for Primary Zn-Air Battery." Nanomaterials 10, no. 2 (2020): 223. http://dx.doi.org/10.3390/nano10020223.

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Metal–air batteries and fuel cells have attracted much attention as powerful candidates for a renewable energy conversion system for the last few decades. However, the high cost and low durability of platinum-based catalysts used to enhance sluggish oxygen reduction reaction (ORR) at air electrodes prevents its wide application to industry. In this work, we applied a plasma process to synthesize cobalt nanoparticles catalysts on nitrogen-doped carbon support with controllable quaternary-N and amino-N structure. In the electrochemical test, the quaternary-N and amino-N-doped carbon (Q-A)/Co cat
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6

Li, Yuan, Xinyao Wang, Hong Wang, et al. "“Pharaoh’s Snakes” Reaction-Derived Carbon with Favorable Structure and Composition as Metal-Free Oxygen Reduction Reaction Electrocatalyst." Catalysts 13, no. 7 (2023): 1059. http://dx.doi.org/10.3390/catal13071059.

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Metal-air batteries rely on the oxygen reduction reaction (ORR) for their operation. However, the ORR is kinetically slow, necessitating the use of Pt-based catalysts, which is hindered by their high cost and limited availability. Consequently, considerable efforts have been dedicated to developing metal-free catalysts for the ORR. Among these, heteroatom-doped carbons have emerged as promising candidates by manipulating their composition and microstructure. Inspired by the ancient “Pharaoh’s snakes” reaction, this study utilized sugar, melamine, and a polymerizable ionic liquid as precursors
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7

Zhao, Siqi, Deliang Chen, Yawu Gao, et al. "One-Pot Synthesis of Fe–N–C Species-Modified Carbon Nanotubes for ORR Electrocatalyst with Overall Enhanced Performance Superior to Pt/C." Nano 16, no. 03 (2021): 2150028. http://dx.doi.org/10.1142/s1793292021500284.

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Novel synthesis of efficient noble-metal-free electrocatalysts for both oxygen reduction/evolution reaction (ORR/OER) in energy conversion devices (e.g., fuel cells, metal–air batteries) is of essential significance for further sustainable development. This paper reports a facile synthesis of Fe–N–C species-modified carbon nanotubes (F/N-CNTs) for ORR application by directly pyrolyzing a fluffy hybrid precursor at a moderate temperature ([Formula: see text]C) in Ar. The fluffy hybrid precursors consisting of nitro-hydrochloric-acid-treated CNTs, melamine and Fe[Formula: see text] species are p
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8

Luong, Samantha, Anand Chandra Singh, Xia Tong, Dayna Wiebe, and Viola Ingrid Birss. "N-Doped Colloid Imprinted Carbons As Promising ORR Catalysts for Alkaline Applications." ECS Meeting Abstracts MA2022-01, no. 7 (2022): 632. http://dx.doi.org/10.1149/ma2022-017632mtgabs.

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The oxygen reduction reaction (ORR) has long been of interest in relation to its many energy applications and interesting multi-pathway mechanisms. The ORR is a key reaction in a range of electrochemical energy conversion and storage devices, such as hydrogen fuel cells and metal-air batteries, respectively. These devices are expected to play an ever-increasing role in the global transition to net zero emissions. Metal-air batteries, such as Zn/air batteries, can operate at room temperature, use recyclable materials, are environmentally friendly, and are preferred in relation to consumer safet
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9

Dong, Xiaoyang, Jinxing Wang, Xiao Wang, et al. "Prussian Blue Analogue Derived Co3O4/CuO Nanoparticles as Effective Oxygen Reduction Reaction Catalyst for Magnesium-Air Battery." Journal of The Electrochemical Society 169, no. 1 (2022): 010532. http://dx.doi.org/10.1149/1945-7111/ac4b25.

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Developing efficient, durable, and cost-effective non-noble metal catalysts for oxygen reduction reaction (ORR) is necessary to promote the efficiency and performance of Mg-air batteries. Herein, the Co3O4/CuO nanoparticles were synthesized by a low-cost and simple approach using CuCo-based prussian blue analogue (PBA) as precursor of pyrolysis at different calcination temperatures. It was found that the Co3O4/CuO nanoparticles calcined at 600 °C (CCO-600) have relatively small size and superior ORR performance. The onset potential is 0.889 V and the diffusion limiting current density achieves
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10

Blackstone, Chance, and Anna Ignaszak. "Van der Waals Heterostructures—Recent Progress in Electrode Materials for Clean Energy Applications." Materials 14, no. 13 (2021): 3754. http://dx.doi.org/10.3390/ma14133754.

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The unique layered morphology of van der Waals (vdW) heterostructures give rise to a blended set of electrochemical properties from the 2D sheet components. Herein an overview of their potential in energy storage systems in place of precious metals is conducted. The most recent progress on vdW electrocatalysis covering the last three years of research is evaluated, with an emphasis on their catalytic activity towards the oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER). This analysis is conducted in pair with the most active Pt-based comme
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11

Wang, Keliang, Xiaotian Liu, Yayu Zuo, et al. "A Highly Active Bifunctional Catalyst of Mn–Co–Fe–N/S@CNT for Rechargeable Zinc-Air Batteries." Journal of The Electrochemical Society 168, no. 11 (2021): 110529. http://dx.doi.org/10.1149/1945-7111/ac3718.

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Rechargeable zinc-air batteries are promising candidates for energy storage due to their high energy density, environmentally friendliness, and low cost. However, such batteries are limited by the high cost and sluggish kinetics of noble metal catalysts. Here, we present a highly active bifunctional catalyst of Mn–Co–Fe–N/S@CNT, where the catalyst is synthesized by Mn, Co, and Fe oxides doped with N and S on porous carbon nanotubes. Mn–Co–Fe–N/S@CNT has higher electrocatalytic activity than the commercial catalysts of Pt/C and RuO2, demonstrating that the half-wave potential of the oxygen redu
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12

Fang, Can, Qingfeng Yi, Alin Chen, Yuebing Wang, Yaping Wang, and Xiaofang LI. "Fabrication of FeCo/Multidimensional Carbon-Based Nanocomposites as Excellent Cathodic Catalysts of Zn-Air Battery." Journal of The Electrochemical Society, November 15, 2022. http://dx.doi.org/10.1149/1945-7111/aca2e3.

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Abstract Herein, N-doped carbon nanosheets/nanotubes composite loaded Fe-Co nanoparticles were prepared via a facile pyrolysis of the solid mixture composed of dicyandiamide, sucrose, cobalt nitrate, iron nitrate, iron phthalocyanine (FePc) and cobalt phthalocyanine (CoPc). The samples were characterized by SEM, TEM, XRD, XPS and BET techniques. The electroactivity of the prepared catalysts towards oxygen reduction reaction (ORR) was tested in a full pH range including acidic, neutral and alkaline media. In 0.1mol L-1 KOH solution, the ORR onset potential and half-wave potential of the FeCo-Fe
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13

Zheng, Yue, Li Huang, Rui Gao, Lirong Zheng, Zhongbo Hu, and Xiangfeng Liu. "Boosting Oxygen Reduction Activity of Co3O4 through a Synergy of Ni Doping and Carbon Species Dotting for Zn-air battery." Journal of The Electrochemical Society, June 12, 2023. http://dx.doi.org/10.1149/1945-7111/acdd9f.

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Abstract Oxygen reduction reaction (ORR) undertakes an indispensable driving role for metal-air batteries with sluggish kinetics. In this work, we proposed a synergic strategy of Ni doping and carbon species dotting to compose Co3O4 with intrinsic large specific area and oxygen vacancies. The Ni-doped Co3O4/C (NCC-1) with four electron transfer mode conducts extraordinary electrocatalytic performance than commercial 20 wt% Pt/C and excellent tolerance to methanol poisoning. This series of improvements are attributed to the rapid dynamics drove by variable transition metal valence with elevated
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14

Ilnicka, Anna, Malgorzata Skorupska, Magdalena Tyc, et al. "Green algae and gelatine derived nitrogen rich carbon as an outstanding competitor to Pt loaded carbon catalysts." Scientific Reports 11, no. 1 (2021). http://dx.doi.org/10.1038/s41598-021-86507-5.

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AbstractThe development of effective catalysts for the oxygen reduction reaction (ORR) is a significant challenge in energy conversion systems, e.g., Zn–air batteries. Herein, green-algae- and gelatine-derived porous, nitrogen-rich carbons were extensively investigated as electrode materials for electrochemical catalytic reactions. These carbon-based catalysts were designed and optimized to create a metal-free catalyst via templating, carbonization, and subsequent removal of the template. The additional incorporation of graphene improved electronic conductivity and enhanced the electrochemical
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15

Sun, Qiming, Yiwei Zhao, Xiaodan Yu, Chao Zhang, and Shuangxi Xing. "Interface Engineering of CoO/N-Doped Carbon Nanomaterials as a Bifunctional Electrocatalyst for Rechargeable Zinc-Air Batteries." Journal of The Electrochemical Society, June 16, 2022. http://dx.doi.org/10.1149/1945-7111/ac797b.

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Abstract Robust bifunctional and highly efficient electrocatalysts for both oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) exhibits great prospect in a zinc-air battery (ZAB). Here, we demonstrated a facile route to synthesize a bifunctional electrocatalyst with CoO nanoparticles embedded in N-doped carbon by interface engineering. The precursor which consists of ball-milled polyaniline (BM-PANI), carbon nanotubes (CNTs) and cobalt acetate tetrahydrate (Co(Ac)2·4H2O) was obtained via homogeneous mixture in the presence of ethanol, and thus, satisfactory interface was forme
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16

Liu, Hui, Juemin Song, Jiaxi Zhang та ін. "Facile One-Pot Synthesis of α–MnO2/CeO2 Nanowires for Mg-Air Batteries". Journal of The Electrochemical Society, 2 вересня 2022. http://dx.doi.org/10.1149/1945-7111/ac8edb.

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Abstract We synthesized MnO2/CeO2 electrocatalysts by in situ decoration of α–MnO2 with CeO2 particles during a one-step hydrothermal process. The morphology, composition, and electrochemical properties were studied in the context of application to the oxygen reduction reaction (ORR) and Mg-air battery. According to the results, α–MnO2/CeO2 microfibers exhibited better ORR performance than α–MnO2 microfibers due to the synergistic result between the introduction of Ce3+ in CeO2 lattice and the enhancement of Mn3+ content in MnO2 lattice. α–MnO2/CeO2 microfibers provided a higher surface area a
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17

Wang, Ruixiang, Yanyang Wang, Zheqin Chen, et al. "PVP-Assisted Iron-Doped ZIF-8 as an Efficient Fe-N-C Oxygen Reduction Electrocatalyst for Zinc-Air Batteries." Journal of The Electrochemical Society, June 16, 2022. http://dx.doi.org/10.1149/1945-7111/ac797f.

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Abstract Transition metal/nitrogen carbon composite (M/NC) is a highly active oxygen reduction reaction (ORR) electrocatalyst, widely used in fuel cells and zinc-air batteries. Herein, a uniform and regular PVP-assisted iron-doped nano dodecahedron (ZP0.1F/NC) is prepared by a simple and efficient one-step in-solution reaction, followed by controlled in-situ pyrolysis. The synthesized electrocatalyst showed excellent electrocatalytic ORR activity in an alkaline medium. Compared with standard 20% Pt/C electrocatalyst, ZP0.1F/NC exhibited onset potential (Eonset) (0.974 V vs. 0.967 V), half-wave
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18

Tan, Mingxiu, Qing Wang, Shasha Wang, et al. "Ternary (N, B, F)-Doped Biocarbon Derived from Bean Residues as Efficient Bifunctional Electrocatalysts for Oxygen Reduction and Evolution Reactions." Journal of The Electrochemical Society, September 21, 2022. http://dx.doi.org/10.1149/1945-7111/ac93ba.

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Abstract Development of efficient metal-free carbon-based electrocatalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are of great significance for Zn-air batteries. Herein, a porous biocarbon bifunctional catalyst (C-NBF-G) was directly synthesized via simple alkali activation and carbonization from bean residues. C-NBF-G exhibited hierarchical porous structures, ternary heteroatom (N, B, and F) doping, a large specific surface area, and a relatively high degree of graphitization. The synergistic action of these characteristics contributed to the outstanding catal
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19

Varathan, Prabakaran, AKHILA kumar SAHU, Prabu Moni, and Sumanta kumar Das. "High Performance Air Breathing Zinc-Air Battery with Pt−Ni and Pt−Co Bifunctional Electrocatalyst on N Activated Mesoporous Carbon." Journal of The Electrochemical Society, May 8, 2023. http://dx.doi.org/10.1149/1945-7111/acd352.

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Abstract In a future perspective, the world demands energy conversion and storage devices with high efficiency, lower cost, reliability, and sustainability. Zinc air batteries (ZABs) have proven capable as metal anodes for producing such energy, as they are earth-abundant, economical, and environmentally resilient, suitable for efficient domestic and industrial applications. We developed a catalyst which serves as an excellent bi-functional cathode catalyst for ZAB platinum alloy with the transition metals (nickel and cobalt) supported on the nitrogen doped bio derived high mesoporous carbon u
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20

Liu, Yi, Mi Chen, Mussadiq Shah, and Zhiwei Liu. "Graphene Oxide Addition Induces the Improvement of ORR Catalysis Properties of Low-Cost Mn-Based Catalyst Used for Al-Air Battery." Journal of The Electrochemical Society, June 12, 2023. http://dx.doi.org/10.1149/1945-7111/acdda2.

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Abstract To further improve the oxygen reduction reaction (ORR) activity of low-cost Mn-based catalyst, graphene oxide (GO) was added in the preparation of one dimensional (1D) α-MnO2 nanorod using KMnO4-MnSO4 system via hydrothermal method. Experimental results showed that the GO addition (20wt.%) could induce the formation of MnO(OH) nanorod. The Mn-based@GO catalyst had more surface defects and oxygen vacancies compared with pure α-MnO2. The onset potential, half-wave potential (E1/2) and limiting current density were significantly enhanced from 0.86 V/0.66 V/3.56 mA cm-2 to 0.91 V/0.77 V/5
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21

Wang, Ruixiang, Yuanliang Yuan, Xiaocong Zhong, et al. "Nitrogen and Phosphorus-codoped Carbon Nanotube/Fe2P Nanoparticle Hybrids Toward Efficient Oxygen Reduction and Zinc-air Batteries." Journal of The Electrochemical Society, June 7, 2022. http://dx.doi.org/10.1149/1945-7111/ac766a.

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Abstract Incorporating metal compound nanoparticles in carbonaceous matrix is a valid strategy to fabricate highly efficient oxygen reduction electrocatalysts. Here, N, P-codoped carbon nanotubes embedded with Fe2P nanoparticles (Fe2P/NPCt) were synthesized using a microemulsion template method. Results show carbon nanotubes have a large specific surface area (987 m2 g-1) with an inner diameter of ~60 nm. About 5.90 wt.% nitrogen (35.18% pyridinic N) and 2.56 wt.% phosphorus (mainly in the form of P-C and P-Fe) was doped in Fe2P/NPCt. HRTEM and XRD results confirmed the well dispersed Fe2P nan
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