In situ shape and phase transformation synthesis of Co3S4 nanosheet arrays for high-performance electrochemical supercapacitors

In situ shape and phase transformation synthesis of Co3S4 nanosheet arrays for high-performance electrochemical supercapacitors
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用于高性能电化学超级电容器的Co3S4纳米片阵列的原位形状和相变合成

DOI:
10.1039/c3ra44237c
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发表时间:
2013-01-01
期刊:
影响因子:
3.9
通讯作者:
Zhong, Jianxin
Zhong, Jianxin
中科院分区:
化学3区
文献类型:
--
作者:
Chen, Qiong;Li, Hongxing;Zhong, Jianxin

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通过简单的形状和相变路线合成了Co 3S 4的多孔单晶纳米片(NS)阵列,其表现出高比电容(1.61 A g(-1)时为1081 F g(-1))和面积电容(在4 mA cm(-2)下为2.69 F cm(-2),在12 mA cm(-2)下为2.33 F cm(-2)),具有良好的循环性能(3000次循环后96.2%的电容保持率)。
Porous single-crystalline nanosheet (NS) arrays of Co3S4 have been synthesized via a simple shape and phase transformation route, which exhibits high specific capacitance (1081 F g(-1) at 1.61 A g(-1)) and areal capacitance (2.69 F cm(-2) at 4 mA cm(-2) and 2.33 F cm(-2) at 12 mA cm(-2)) with good cycling performance (96.2% capacitance retention after 3000 cycles).