锂空气电池高容量长寿命Co3O4纳米空心球阴极催化剂

doi:10.13208/j.electrochem.141049

电化学（中英文） ›› 2015, Vol. 21 ›› Issue (2): 157-161. doi: 10.13208/j.electrochem.141049

• 化学电源及其材料近期研究专辑（客座编辑：复旦大学夏永姚教授） • 上一篇下一篇

锂空气电池高容量长寿命Co₃O₄纳米空心球阴极催化剂

刘通^1,2，李娜^1,2，刘清朝^1,3，张新波^1*

1. 中国科学院长春应用化学研究所，稀土国家重点实验室，吉林长春 130022；2. 中国科学院大学，北京 100049；3. 吉林大学材料科学与工程学院，吉林长春 130012

收稿日期:2014-11-03 修回日期:2015-02-01 出版日期:2015-04-28 发布日期:2015-04-23
通讯作者: 张新波 E-mail:xbzhang@ciac.ac.cn
基金资助:
基金委优青（No. 21422108）资助

Porous Co₃O₄ Hollow Nanospheres Cathode Catalyst for High-capacity and Long-cycle Li-Air Batteries

LIU Tong^{1, 2}, LI Na^{1, 2}, LIU Qing-chao^1,3, ZHANG Xin-bo^1*

1. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 3. School of Materials Science and Engineering, Jilin University, Changchun 130012, China

Received:2014-11-03 Revised:2015-02-01 Published:2015-04-28 Online:2015-04-23
Contact: ZHANG Xin-bo E-mail:xbzhang@ciac.ac.cn

摘要/Abstract

摘要： 以六水合硝酸钴（Co(NO₃)₂·6H₂O）、六次甲基四胺（HMT）、蔗糖、柠檬酸钠（Na₃C₆H₅O₇）为原料，140 ^oC下水热碳化处理即得反应前驱物，经煅烧处理后，可得多孔Co₃O₄纳米空心球. 锂空气电池Co₃O₄/SP阴极催化剂具有优异的循环寿命性能，这归因于Co₃O₄空心球的纳米颗粒构成、较高比表面积的多孔结构，为电池反应提供了大量的反应位点，为充放电产物提供了足够的存储空间.

关键词: Co₃O₄空心球, 锂空气电池, 长寿命, 水热法

Abstract: In this paper, a high specific surface area of porous Co₃O₄hollow nanospheres was successfully synthesized via hydrothermal carbonization at 140 ^oC, followed by calcination using cobalt nitrate hexahydrate (Co(NO₃)₂·6H₂O), hexamethylenetetramine (HMT), sucrose, and sodium citrate (Na₃C₆H₅O₇). The porous Co₃O₄ hollow nanospheres consisted of nanoparticles with high specific surface area of mesoporous structure, and could provide active reaction sites for OER and ORR. When used as lithium-air battery cathode catalyst, the Co₃O₄/Super P (SP) electrode exhibited excellent cycle performance, resulting in high capacity and long life of lithium-air batteries.

Key words: Co₃O₄ hollow spheres, lithium-air batteries, long life, hydrothermal

中图分类号:

O646

刘通, 李娜, 刘清朝, 张新波. 锂空气电池高容量长寿命Co₃O₄纳米空心球阴极催化剂[J]. 电化学（中英文）, 2015, 21(2): 157-161.

LIU Tong, LI Na, LIU Qing-chao, ZHANG Xin-bo. Porous Co₃O₄ Hollow Nanospheres Cathode Catalyst for High-capacity and Long-cycle Li-Air Batteries[J]. Journal of Electrochemistry, 2015, 21(2): 157-161.

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锂空气电池高容量长寿命Co₃O₄纳米空心球阴极催化剂

Porous Co₃O₄ Hollow Nanospheres Cathode Catalyst for High-capacity and Long-cycle Li-Air Batteries

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