Advanced Architectures and Relatives of Air Electrodes in Zn–Air Batteries

Zn–air batteries are becoming the promising power sources for portable and wearable electronic devices and hybrid/electric vehicles because of their high specific energy density and the low cost for next‐generation green and sustainable energy technologies. An air electrode integrated with an oxygen...

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Bibliographic Details
Published in:Advanced science 2018-04, Vol.5 (4), p.1700691-n/a
Main Authors: Pan, Jing, Xu, Yang Yang, Yang, Huan, Dong, Zehua, Liu, Hongfang, Xia, Bao Yu
Format: Article
Language:English
Subjects:
air electrode
architecture
Batteries
Commercialization
Electric vehicles
Electricity distribution
electrocatalyst
Electrodes
Electrolytes
Energy
Evolution
flexible device
Innovations
Lithium
Power
Researchers
Review
Reviews
Technological change
Zn–air battery
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Summary:Zn–air batteries are becoming the promising power sources for portable and wearable electronic devices and hybrid/electric vehicles because of their high specific energy density and the low cost for next‐generation green and sustainable energy technologies. An air electrode integrated with an oxygen electrocatalyst is the most important component and inevitably determines the performance and cost of a Zn–air battery. This article presents exciting advances and challenges related to air electrodes and their relatives. After a brief introduction of the Zn–air battery, the architectures and oxygen electrocatalysts of air electrodes and relevant electrolytes are highlighted in primary and rechargeable types with different configurations, respectively. Moreover, the individual components and major issues of flexible Zn–air batteries are also highlighted, along with the strategies to enhance the battery performance. Finally, a perspective for design, preparation, and assembly of air electrodes is proposed for the future innovations of Zn–air batteries with high performance. Air electrodes integrated with oxygen electrocatalysts are the most important component of Zn–air batteries. Advances in air electrodes and related components for Zn–air batteries are reviewed, providing valuable insights to promote innovation and commercialization of Zn–air batteries.
ISSN:2198-3844
2198-3844
DOI:10.1002/advs.201700691