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

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

更新时间：2026-05-27

- NiCoO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors
- Vol. 25, Issue 3, (2008)
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- Online First：01 July 2008，
  
  Published：2008
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NiCoO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors[J]. 2008, 25(3).
DOI：

NiCoO Prepared by Combining Co-precipitation and Roasting and the Properties of Supercapacitors[J]. 2008, 25(3). 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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Related Institution

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