Relating Catalysis between Fuel Cell and Metal-Air Batteries
Matthew Li,Matthew Li,Xuanxuan Bi,Rongyue Wang,Yingbo Li,Yingbo Li,Gaopeng Jiang,Liang Li,Cheng Zhong,Zhongwei Chen,Jun Lu +10 more
- Vol. 2, Iss: 1, pp 32-49
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TLDR
In this article, the authors bridge some of the ideas from fuel cell to metal-air batteries with the aim of inspiring new ideas and directions for future research, which can potentially utilize the electrical grid network for charging, bypassing the need for establishing a hydrogen infrastructure.Abstract:
Summary With the ever-increasing demand for higher-performing energy-storage systems, electrocatalysis has become a major topic of interest in an attempt to enhance the electrochemical performance of many electrochemical technologies. Discoveries pertaining to the oxygen reduction reaction catalyst helped enable the commercialization of fuel-cell-based electric vehicles. However, a closely related technology, the metal-air battery, has yet to find commercial application. Much like the Li-ion battery, metal-air batteries can potentially utilize the electrical grid network for charging, bypassing the need for establishing a hydrogen infrastructure. Among the metal-air batteries, Li-air and Zn-air batteries have drawn much interest in the past decade. Unfortunately, state-of-the art metal-air batteries still produce performances that are well below practical levels. In this brief perspective, we hope to bridge some of the ideas from fuel cell to that of metal-air batteries with the aim of inspiring new ideas and directions for future research.read more
Citations
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Journal ArticleDOI
Recent advances of noble-metal-free bifunctional oxygen reduction and evolution electrocatalysts
TL;DR: In this article, the design principles to obtain high-performance noble-metal-free bifunctional oxygen electrocatalysts by emphasizing strategies of both intrinsic activity regulation and active site integration are systematically addressed.
Journal ArticleDOI
Oxygen Reduction Electrocatalysts toward Practical Fuel Cells: Progress and Perspectives
TL;DR: In this paper, the authors focus on the recent progress of ORR electrocatalysts in fuel cells and highlight the fundamental problems associated with insufficient activity translation from rotating disk electrode to membrane electrode assembly in the fuel cells.
Journal ArticleDOI
High‐Entropy Metal Sulfide Nanoparticles Promise High‐Performance Oxygen Evolution Reaction
Mingjin Cui,Chunpeng Yang,Boyang Li,Qi Dong,Meiling Wu,Sooyeon Hwang,Hua Xie,Xizheng Wang,Guofeng Wang,Liangbing Hu +9 more
TL;DR: In this article, the synthesis of high-entropy metal sulfide (HEMS) solid solution nanoparticles is reported, which exhibits a synergistic effect among metal atoms that leads to desired electronic states to enhance OER activity.
Journal ArticleDOI
Dynamic Behavior of Single-Atom Catalysts in Electrocatalysis: Identification of Cu-N3 as an Active Site for the Oxygen Reduction Reaction.
Ji Yang,Ji Yang,Wengang Liu,Mingquan Xu,Xiaoyan Liu,Haifeng Qi,Leilei Zhang,Xiaofeng Yang,Shanshan Niu,Dan Zhou,Yuefeng Liu,Yang Su,Jian-Feng Li,Zhong-Qun Tian,Wu Zhou,Aiqin Wang,Tao Zhang +16 more
TL;DR: In this article, a two-step approach was developed to fabricate single-atom catalysts with a uniform and well-defined Cu2+-N4 structure that exhibits comparable activity and superior durability in comparison to Pt/C.
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Achieving high-energy density and superior cyclic stability in flexible and lightweight pseudocapacitor through synergic effects of binder-free CoGa2O4 2D-hexagonal nanoplates
Muhammad Sufyan Javed,Muhammad Sufyan Javed,Syed Shoaib Ahmad Shah,Tayyaba Najam,Sajid Hussain Siyal,Shahid Hussain,Muhammad Saleem,Zhijuan Zhao,Wenjie Mai +8 more
TL;DR: In this article, the authors reported an efficient synergetic approach by optimizing the feeding ratio of cobalt:gallium (Co:Ga) with a binder-free architecture composed by novel hexagonal-shaped nanoplates on carbon cloth (CC) substrate with high surface area.
References
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Journal ArticleDOI
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TL;DR: The high activity of BSCF was predicted from a design principle established by systematic examination of more than 10 transition metal oxides, which showed that the intrinsic OER activity exhibits a volcano-shaped dependence on the occupancy of the 3d electron with an eg symmetry of surface transition metal cations in an oxide.
Journal ArticleDOI
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Vojislav R. Stamenkovic,Vojislav R. Stamenkovic,Ben Fowler,Bongjin Simon Mun,Guofeng Wang,Philip N. Ross,Chris Lucas,Nenad M. Markovic +7 more
TL;DR: It is demonstrated that the Pt3Ni( 111) surface is 10-fold more active for the ORR than the corresponding Pt(111) surface and 90-foldMore active than the current state-of-the-art Pt/C catalysts for PEMFC.
Journal ArticleDOI
Highly Crystalline Multimetallic Nanoframes with Three-Dimensional Electrocatalytic Surfaces
Chen Chen,Yijin Kang,Ziyang Huo,Ziyang Huo,Zhongwei Zhu,Zhongwei Zhu,Wenyu Huang,Wenyu Huang,Huolin L. Xin,Joshua Snyder,Dongguo Li,Jeffrey A. Herron,Manos Mavrikakis,Miaofang Chi,Karren L. More,Yadong Li,Nenad M. Markovic,Gabor A. Somorjai,Gabor A. Somorjai,Peidong Yang,Vojislav R. Stamenkovic +20 more
TL;DR: A highly active and durable class of electrocatalysts is synthesized by exploiting the structural evolution of platinum-nickel (Pt-Ni) bimetallic nanocrystals by exploitingThe starting material, crystalline PtNi3 polyhedra, transforms in solution by interior erosion into Pt3Ni nanoframes with surfaces that offer three-dimensional molecular accessibility.
Journal ArticleDOI
Design principles for oxygen-reduction activity on perovskite oxide catalysts for fuel cells and metal–air batteries
Jin Suntivich,Hubert A. Gasteiger,Hubert A. Gasteiger,Naoaki Yabuuchi,Haruyuki Nakanishi,John B. Goodenough,Yang Shao-Horn +6 more
TL;DR: These findings reflect the critical influences of the σ orbital and metal-oxygen covalency on the competition between O(2)(2-)/OH(-) displacement and OH(-) regeneration on surface transition-metal ions as the rate-limiting steps of the ORR, and highlight the importance of electronic structure in controlling oxide catalytic activity.
Journal ArticleDOI
Metal–air batteries: from oxygen reduction electrochemistry to cathode catalysts
Fangyi Cheng,Jun Chen +1 more
TL;DR: The battery electrochemistry and catalytic mechanism of oxygen reduction reactions are discussed on the basis of aqueous and organic electrolytes, and the design and optimization of air-electrode structure are outlined.
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