Preparation and lithium storage property of Co3O4/NiO hollow nanosphere

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  • 1. College of Materials Science and Engineering,North China University of Science and Technology,Tangshan 063210;
    2. Key Laboratory of Inorganic Nonmetallic Material of Hebei Province,Tangshan 063210;
    3. China Railway 14th Bureau Group Co.,Ltd.,Tiezheng Testing Technology Co.,Ltd.,Jinan 250014

Received date: 2020-06-08

  Revised date: 2021-07-11

  Online published: 2021-11-02

Abstract

Carbon spheres were prepared by hydrothermal method,and anode materials of NiO and Co3O4/NiO nanospheres were synthesized by using carbon spheres as templates,and compared and analyzed their electrochemical properties.The both materials were characterized and analyzed by X-ray diffraction (XRD),scanning electron microscopy (SEM),thermogravimetric analysis (TGA),Brunner-Emmet-Teller (BET) and LAND test system and electrochemical workstation,respectively.The results showed that when the current density was 100mA·g-1,the first discharge specific capacity of the Co3O4/NiO anode material was 1142mA·h·g-1,and the specific discharge capacity remained stable at about 770mA·h·g-1 after 100 cycles,and the columbic efficiency was close to 100%.The results shown that the Co3O4/NiO had good electrochemical properties,and expected to be used in the anode materials of lithium ion battery.

Cite this article

Li Zhitong, Li Jiashuang, Jiang Wenxue, Nie Jiajin, Zhao Jian, Yao Shaowei . Preparation and lithium storage property of Co3O4/NiO hollow nanosphere[J]. New Chemical Materials, 2021 , 49(10) : 87 -91 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.10.018

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