储能科学与技术 ›› 2020, Vol. 9 ›› Issue (5): 1489-1496.doi: 10.19799/j.cnki.2095-4239.2020.0121

• 储能材料与器件 • 上一篇    下一篇

锌空气电池非贵金属双功能阴极催化剂研究进展

朱子岳1,2(), 符冬菊2(), 陈建军2,3(), 曾燮榕1   

  1. 1.深圳大学材料学院,广东 深圳 518060
    2.深圳清华大学研究院,广东 深圳 518055
    3.佛山市力合通新材料有限公司,广东 佛山 528000
  • 收稿日期:2020-03-26 修回日期:2020-04-01 出版日期:2020-09-05 发布日期:2020-09-08
  • 通讯作者: 符冬菊,陈建军 E-mail:ZhuZiYueoo@163.com;youyou.orang23@163.com;chenjj08@126.com
  • 作者简介:朱子岳(1996—),男,硕士研究生,研究方向为锌空电池阴极催化剂及器件组装,E-mail:ZhuZiYueoo@163.com
  • 基金资助:
    国家自然科学基金委-广东省联合基金重点项目(U1601216);深圳市技术攻关重大项目(JSGG20190822102607176);佛山市科技计划项目(2015IT100083)

Research progress of non-precious metal bifunctional cathode electrocatalysts for zinc-air batteries

Ziyue ZHU1,2(), Dongju FU2(), Jianjun CHEN2,3(), Bianrong ZENG1   

  1. 1.College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, Guangdong, China
    2.Research Institute of Tsinghua University In Shenzhen, Shenzhen 518055, Guangdong, China
    3.Foshan Lihetong New Material Co. Ltd. , Foshan 528000, Guangdong, China
  • Received:2020-03-26 Revised:2020-04-01 Online:2020-09-05 Published:2020-09-08
  • Contact: Dongju FU,Jianjun CHEN E-mail:ZhuZiYueoo@163.com;youyou.orang23@163.com;chenjj08@126.com

摘要:

锌空气电池是一种特殊的燃料电池,以空气中的氧气作为阴极反应活性物质,具有理论能量密度高、安全便携以及绿色无污染等优点,是柔性可穿戴光电子产品的理想供电电源之一。电化学氧还原反应(ORR)和氧析出反应(OER)对于锌空气电池的性能起着至关重要的作用。目前,在碱性介质中贵金属Pt具有最高的ORR催化活性,Ir和Ru及其氧化物具有优异的OER催化活性,然而单一贵金属催化剂的高成本、稀缺性和无双功能催化活性严重制约了其商业化应用,因此开发与贵金属催化剂催化性能相当的非贵金属双功能催化剂显得尤为重要。本文结合近几年国内外锌空气电池非贵金属阴极催化剂的研究成果,对非金属杂原子掺杂碳材料、过渡金属基复合材料、过渡金属化合物和金属有机框架及其衍生物作为阴极催化剂的研究进行详细综述,着重介绍了不同材料的制备方法和锌空气电池性能提高的影响机理,认为对非贵金属双功能阴极催化剂的尺寸、形貌和结构进行合理调控可以改善锌空气电池的性能,有望替代贵金属催化剂。最后对目前锌空气电池非贵金属阴极催化剂发展中存在的问题进行总结,未来应从深入研究电化学反应机理、开发本征催化活性高的复合催化剂和改善空气电极结构三个方向进行,有望实现锌空气电池非贵金属阴极催化剂的商业化发展。

关键词: 锌空气电池, 双功能催化剂, 氧还原反应, 氧析出反应

Abstract:

Zinc-air battery is a special fuel cell that uses oxygen in the air as a cathode reactive material. It has the advantages of high theoretical energy density, safety and portability, and green and pollution-free. It is one of the ideal power supplies for flexible wearable optoelectronic products. Electrochemical oxygen reduction reaction (ORR) and oxygen precipitation reaction (OER) play a vital role in the performance of zinc-air batteries. At present, noble metal Pt has the highest ORR catalytic activity in alkaline media, and Ir and Ru and their oxides have excellent OER catalytic activity. However, the high cost, scarcity, and bifunctional catalytic activity of a single precious metal catalyst have severely limited its commercial activity. It is important to develop non-precious metal bifunctional catalysts with catalytic performance equivalent to that of precious metal catalysts. Based on the research achievements of non-noble metal cathode catalysts for zinc-air batteries at home and abroad in recent years, this paper reviews in detail the research of non-metal heteroatomic doped carbon materials, transition metal matrix composites, transition metal compounds, metal-organic frames and their derivatives as cathode catalysts. The preparation methods of different materials and the effect mechanism of zinc-air battery performance enhancement are introduced in detail. It is concluded that the reasonable control of the size, morphology, and structure of non-precious metal bifunctional cathode catalysts can improve the performance of zinc-air batteries and is expected to replace precious metal catalysts. Finally, the current zinc-air battery non-noble metal cathode catalysts, including a summary on the problems existing in the development of the future should study the theory of electrochemical reaction, high development intrinsic catalytic activity of the composite catalyst and improve the air electrode structure three directions, is expected to achieve the commercial development of zinc-air battery non-noble metal cathode catalyst.

Key words: zinc-air battery, bifunctional electrocatalysts, oxygen reduction reaction, oxygen evolution reaction

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