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Preparation and Performance of Ag Modified Co3O4 Catalyst in Li-O2 Battery
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Yajun ZHAO, Xiaoming WANG, Hao LUO, Dawei ZHANG
Journal of the Chinese Ceramic Society | 2022, 50(1) : 62 - 69
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Journal of the Chinese Ceramic Society | 2022, 50(1): 62-69
• Research Articles •
Preparation and Performance of Ag Modified Co3O4 Catalyst in Li-O2 Battery
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Yajun ZHAO, Xiaoming WANG, Hao LUO, Dawei ZHANG
Affiliations
  • School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China

    • ZHAO Yajun (1992-), female, Doctoral candidate. E-mail:

About Author:

ZHAO Yajun (1992-), female, Doctoral candidate. E-mail:

Published: 2022-01-20 doi: 10.14062/j.issn.0454-5648.20210606
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A hammer-like Co3O4 was firstly prepared by using metal-organic framework-74 as a template, and then compounded with elemental Ag to fabricate a highly active catalyst with an improved electronic conductivity. The Li-O2 battery with this prepared catalyst has a specific discharge capacity of 13 945 mA·h/g at a current density of 100 mA/g. Even at a high current density of 1 000 mA/g, the battery can still maintain a specific discharge capacity of 4 476.3 mA·h/g, indicating that it has an excellent rate performance. Also, the cycle performance is greatly improved. For the limited specific capacity of 1 000 mA·h/g at the current density of 500 mA/g, the battery with Ag/Co3O4 catalyst can be used for 195 cycles, while that with Co3O4 catalyst can be used for only 42 cycles.

silver  /  metal-organic framework  /  cobalt tetroxide  /  lithium-air batteries
赵亚君, 汪晓敏, 罗浩, 张大伟. 单质Ag修饰Co3O4的高活性Li-O2电池催化剂的制备及性能. 硅酸盐学报, 2022 , 50 (1) : 62 -69 . DOI: 10.14062/j.issn.0454-5648.20210606
Yajun ZHAO, Xiaoming WANG, Hao LUO, Dawei ZHANG. Preparation and Performance of Ag Modified Co3O4 Catalyst in Li-O2 Battery[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (1) : 62 -69 . DOI: 10.14062/j.issn.0454-5648.20210606
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Year 2022 volume 50 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20210606
  • Receive Date：2021-08-02
  • Online Date：2026-10-22
  • Published：2022-01-20
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History
  • Received：2021-08-02
  • Revised：2021-09-18
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Affiliations
    School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China

Corresponding:

ZHANG Dawei (1976-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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