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Fundamental Understanding and Material Challenges in Rechargeable Nonaqueous Li-O-2 Batteries: Recent Progress and Perspective

期刊

ADVANCED ENERGY MATERIALS
卷 8, 期 22, 页码 -

出版社

WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201800348

关键词

electrode materials; electrolytes; Li-O-2 batteries; nonaqueous

资金

  1. U. S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy, Vehicle Technologies Office
  2. DOE Office of Science by UChicago Argonne, LLC [DE-AC02-06CH11357]
  3. Advanced Photon Source, an Office of Science User Facility [DE-AC02-06CH11357]

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Energy storage challenges have triggered growing interest in various battery technologies and electrocatalysis. As a particularly promising variety, the Li-O-2 battery with an extremely high energy density is of great significance, offering tremendous opportunities to improve cell performance via understanding catalytic mechanisms and the exploration of new materials. Furthermore, focus on nonaqueous electrolyte-based Li-O-2 batteries has markedly intensified since there could be a higher probability of commercialization, compared to that of solid-state or aqueous electrolytes. The recent advancements of the nonaqueous Li-O-2 battery in terms of fundamental understanding and material challenges, including electrolyte stability, water effect, and noncarbon cathode materials are summarized in this review. Further, the current status of water impact on discharge products, possible mechanisms, and parasitic reactions in nonaqueous electrolytes are reviewed for the first time. The key challenges of noncarbon oxygen electrode materials, such as noble metals and metal oxides-based cathodes, transition metals, transition metal compounds (carbides, oxides) based cathodes as well as noncarbon supported catalysts are discussed. This review concludes with a perspective on future research directions for nonaqueous Li-O-2 batteries.

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