Design of Nb5+-doped high-nickel layered ternary cathode material and its structure stability - 成果

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Design of Nb⁵⁺-doped high-nickel layered ternary cathode material and its structure stability

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成果类型：

期刊论文

作者：

Zhao, Tingting;Liu, Pei;Tang, Fuli;Xiao, Minzhi;Song, Liubin;...

通讯作者：

Song, LB

作者机构：

[Kuang, Yinjie; Xiao, Zhongliang; Song, Liubin; Zhao, Tingting] Changsha Univ Sci & Technol, Hunan Prov Key Lab Mat Protect Elect Power & Trans, Sch Chem & Chem Engn, Changsha 410114, Hunan, Peoples R China.

[Long, Tianyuan; Liu, Pei; Kuang, Yinjie; Xiao, Minzhi; Xiao, Zhongliang; Song, Liubin; Zhao, Tingting] Changsha Univ Sci & Technol, Coll Chem & Chem Engn, Changsha 410114, Hunan, Peoples R China.

[Tang, Fuli] Changsha Res Inst Min & Met Co LTD, Testing Technol Co, Changsha 410114, Hunan, Peoples R China.

通讯机构：

[Song, LB ] C

Changsha Univ Sci & Technol, Hunan Prov Key Lab Mat Protect Elect Power & Trans, Sch Chem & Chem Engn, Changsha 410114, Hunan, Peoples R China.

Changsha Univ Sci & Technol, Coll Chem & Chem Engn, Changsha 410114, Hunan, Peoples R China.

语种：

英文

关键词：

Nb5+-doped;first-principles calculations;high-nickel layered ternary cathode materials;lithium-ion battery

期刊：

Nanotechnology

ISSN：

0957-4484

年：

2023

卷：

期：

页码：

495401

DOI：

10.1088/1361-6528/acf670

基金类别：

National Natural Science Foundation of China [21501015, 21545010, 31527803]; Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation [2022CL01]; Hunan Provincial Natural Science Foundation of China [2022JJ30604]; Graduate Research Innovation Project of Hunan Province [CX20230919]; Professional Degree Postgraduate 'Practical Innovation and Entrepreneurship Enhancement Plan' Project of Changsha University of Science Technology [CLSJCX23105]

机构署名：

本校为第一且通讯机构

院系归属：

化学与生物工程学院

摘要：

LiNi(0.8)Co(0.1)Mn(0.1)O(2)(NCM811) is one of the most promising cathode materials for high-energy lithium-ion batteries, but there are still problems such as rapid capacity decay during charge and discharge and poor cycle performance. Elemental doping can significantly improve the electrochemical performance of high nickel ternary cathode materials. In this work, Nb(5+)-doped NCM811 cathode material was successfully synthesized. The results show that Nb(5+)doping helps to increase the interlayer spacing of the lithium layer, electron transport...

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Design of Nb⁵⁺-doped high-nickel layered ternary cathode material and its structure stability

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