Transition metal oxide-based oxygen reduction reaction electrocatalysts for energy conversion systems with aqueous electrolytes
Transition metal oxide-based oxygen reduction reaction electrocatalysts for energy conversion systems with aqueous electrolytes
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DOI：
10.1039/c7ta10569j
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发表时间：
2018-06
影响因子：
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通讯作者：
Yejian Xue;Shanshan Sun;Qin Wang;Zhen-Peng Dong;Zhaoping Liu
中科院分区：
文献类型：
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作者：
Yejian Xue;Shanshan Sun;Qin Wang;Zhen-Peng Dong;Zhaoping Liu
在过去的几十年里，通过引入电池来开发电动汽车以减少对石油的依赖并减少尾气排放的强烈动机。锂离子电池由于其高容量和能源效率而主导了电动汽车市场。然而，锂离子电池能量密度不足仍然是电动汽车发展的一大难题。金属空气电池具有能量密度高、成本低、环境友好等优点，被认为是最有前途的电动汽车电源之一。金属-空气电池最重要的问题之一是开发具有高催化活性和稳定性的氧还原反应催化剂。过渡金属氧化物是碱性溶液中氧还原反应的一系列重要催化剂。本文综述了近年来过渡金属氧化物催化剂在水相氧化还原反应中的研究进展，包括简单过渡金属氧化物催化剂、钙钛矿型催化剂、尖晶石型催化剂和其他三元过渡金属氧化物催化剂（如双钙钛矿型、烧绿石型、Ruddlesden-Popper型、LiCoO 2型和Mn基莫来石型等）。此外，我们还讨论了影响过渡金属氧化物型催化剂在金属-空气电池中的ORR的因素与水电解质。
In the past decades, there has been a strong incentive to develop electric vehicles by the introduction of batteries to reduce the dependence on petroleum oil and mitigate the tailpipe emissions. Lithium-ion batteries have dominated the electric vehicle market due to their high capacity and energy efficiency. However, the insufficient energy density of lithium-ion batteries is still a big problem for the development of electric vehicles. Metal–air batteries have been considered among the most promising power sources for electric vehicles due to some attractive advantages such as high energy density, low cost and environmental friendliness. One of the most important issues for metal–air batteries is developing oxygen reduction reaction catalysts with high catalytic activity and stability. Transition metal oxides are a series of important catalysts for the oxygen reduction reaction in alkaline solution. The purpose of this paper is to provide a comprehensive review of the recent progress in transition metal oxide-type catalysts for the ORR in aqueous media, including simple transition metal oxide-type catalysts, perovskite-type catalysts, spinel-type catalysts and other ternary transition metal oxides catalysts (such as double perovskite oxides, pyrochlore oxides, Ruddlesden–Popper oxides, LiCoO2-related oxides, and Mn-based mullite oxides). Moreover, we also discuss the factors influencing the transition metal oxide-type catalysts for the ORR in metal–air batteries with aqueous electrolytes.