共 23 条
Controllable preparation of Co3O4 nanosheets and their electrochemical performance for Li-ion batteries
被引:36
作者:

Hao, Qin
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机构:
Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China

Li, Menghua
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机构:
Qilu Normal Univ, Dept Chem, Jinan 250011, Shandong, Peoples R China Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China

Jia, Suzhen
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机构:
Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China

Zhao, Xiaoyun
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机构:
Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China

Xu, Caixia
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Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China
机构:
[1] Univ Jinan, Sch Chem & Chem Engn, Key Lab Chem Sensing & Anal Univ Shandong, Jinan 250022, Shandong, Peoples R China
[2] Qilu Normal Univ, Dept Chem, Jinan 250011, Shandong, Peoples R China
来源:
基金:
美国国家科学基金会;
关键词:
THIN-FILMS;
LITHIUM;
ANODES;
CARBON;
NANOTUBES;
D O I:
10.1039/c3ra23448g
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Co3O4 nanosheets were prepared by selectively dealloying CoAl alloys at room temperature, and their thicknesses could be easily controlled to be similar to 6 nm, similar to 100 nm and similar to 500 nm. Then they were employed as anodes for lithium-ion batteries to study the electrochemical performance as a function of the thickness of the nanosheets. The results showed that the thinner they were, the better performance they presented, especially at high current density. Thereinto, the obtained similar to 6 nm-thick Co3O4 sheets demonstrated an initial capacity of 1259.5 mA h g(-1) as well as an excellent capacity stability.
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收藏
页码:7850 / 7854
页数:5
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