Ni<sub>x</sub>Co<sub>1-x</sub>O Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors

Liu Li-ying; Zhang Hai-yan; Liu Bing-rong; Chen Lie-chun; Chen Yi-ming

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Ni_xCo_1-xO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors

更新时间：2026-05-27

- Ni_xCo_1-xO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors
- Vol. 25, Issue 3, Pages: 18-20(2008)
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- Published：2008
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刘丽英, 张海燕, 刘炳容, 陈列春, 陈易明. 纳米Ni_xCo_1-xO的制备及超级电容的性能[J]. 广东工业大学学报, 2008, 25(3): 18-20.

Liu Li-ying, Zhang Hai-yan, Liu Bing-rong, et al. Ni_xCo_1-xO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors[J]. 2008, 25(3): 18-20.
刘丽英, 张海燕, 刘炳容, 陈列春, 陈易明. 纳米Ni_xCo_1-xO的制备及超级电容的性能[J]. 广东工业大学学报, 2008, 25(3): 18-20. DOI：

Liu Li-ying, Zhang Hai-yan, Liu Bing-rong, et al. Ni_xCo_1-xO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors[J]. 2008, 25(3): 18-20. DOI：

摘要

以NiSO4.6H2O和Co(NO3)2.6H2O为原料

采用共沉淀-焙烧相结合的方法进行超级电容器用电极材料NixCo1-xO的制备研究.结合恒流充放电、XRD和SEM测试手段

考察了Ni/Co物质的量比、沉淀剂、氨水添加剂对合成产物物理及电化学性能的影响.实验结果表明:n(Ni)∶n(Co)=9∶1

采用NaOH作为沉淀剂

并且适量添加NH3.H2O的条件下

获得纳米级NixCo1-xO

该材料的综合电化学性能最佳

200周期的比电容达到39.37 F/g

1 000次充放电后电容保持率在90%以上.

Abstract

NixCo1-xO for supercapacitors was prepared by combining co-precipitation and roasting

with NiSO4·6H2O and Co(NO3)2·6H2O as raw materials.The influences of Ni/Co molar ratio

precipitator and NH3·H2O additive on physical and electrochemical performances were studied through XRD

SEM and charge-discharge tests

etc.The results show that nano-materials are obtained under the conditions of NaOH as precipitators

n(NH3·H2O)∶n(NaOH)= 1∶10 and n(Ni)∶n(Co)=9∶1

the 200th specific capacity reaches 39.37 F/g

a...

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references

邓梅根,冯义红,方勤,杨邦朝. 基于沉淀转化法制备的纳米NiO混合电容器研究[J]. 功能材料. 2006(06)

黄庆华,王先友,汪形艳,李俊,黄伟国. 超级电容器电极材料——MnO2的电化学制备及其性能[J]. 电源技术. 2005(07)

张玲,唐冬汉,熊奇. 超级电容器极化电极材料的研究进展[J]. 重庆大学学报(自然科学版). 2002(05)

张密林,刘志祥. 沉淀转化法制备的Co（OH）2的超级电容特性[J]. 无机化学学报. 2002(05)

梁逵,陈艾,何莉,谭昌瑶. 热处理气氛及掺钴对NiO电极赝电容器性能的影响[J]. 电子元件与材料. 2001(05)

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NixCo1-xO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors

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摘要

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Ni_xCo_1-xO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors