南方科技大学知识苑(SUSTech KC): Alkali and alkaline ions co-substitution of P2 sodium layered oxides for sodium ion batteries

题名	Alkali and alkaline ions co-substitution of P2 sodium layered oxides for sodium ion batteries
作者	Chen, Yuncai 1,2; Yang, Maolin 3; Yang, Liangtao 4; Chen, Ziwei 3; Li, Huiyun 1 ; Woo, Haw Jiunn 2; Chi, Shang-Sen1 ; Xiao, Yinguo 3; Wang, Jun1 ; Wang, Chaoyang 5; Deng, Yonghong1
通讯作者	Woo, Haw Jiunn; Wang, Jun; Deng, Yonghong
发表日期	2023-05-01
DOI	10.1016/j.cjsc.2023.100028
发表期刊	CHINESE JOURNAL OF STRUCTURAL CHEMISTRY 影响因子和分区
ISSN	0254-5861
卷号	42 期号:5
摘要	Alkali and alkaline ion substitutions enhance the electrochemical properties of P2 sodium layered oxide, while the effect on electrochemical property enhancement of alkali and alkaline ions co-substitution is still unclear. In this work, the structural and electrochemical properties of the Li alkali and Mg alkaline ions co-substituted P2 layered oxide Na0.67(Li0.5Mg0.5)0.1(Ni0.33Mn0.67)0.9O2 are investigated in detail. Compared to the pristine and single-ion substituted materials, the co-substituted material shows an enhanced cycling performance with a reversible capacity of 127 mAh/g and a capacity retention of 75% over 100 cycles at 0.5C. Galvanostatic intermittent titration technique (GITT) and cyclic voltammetry (CV) results show that the Li and Mg synergistically improve the ion diffusion. Moreover, the structure stability is also improved by the Li and Mg co-substitution that is clarified by operando X-ray diffraction (XRD) measurements. These results explain the origin of the enhanced electrochemical properties of the Li/Mg co-substituted P2 layered oxides for sodium ion batteries.
关键词	Sodium ions batteries Sodium layered oxides Alkali and alkaline elements co -substitution Neutron diffraction Structural evolution
相关链接	[来源记录]
收录类别	SCI
语种	英语
学校署名	第一 ; 通讯
资助项目	Guangdong Basic and Applied Basic Research Foundation["2019B1515120028","FRGS/1/2018/STG02/UM/02/10"] ; Ministry of Higher Education of Malaysia[GPF 038B2018] ; null[2019A1515110897]
WOS研究方向	Chemistry ; Crystallography
WOS类目	Chemistry, Inorganic & Nuclear ; Crystallography
WOS记录号	WOS:001053395500001
出版者	ELSEVIER
ESI学科分类	CHEMISTRY
来源库	Web of Science
引用统计	被引频次[WOS]：2
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/553389
专题	创新创业学院工学院_材料科学与工程系
作者单位	1.Southern Univ Sci & Technol, Key Univ Lab Highly Ef ficient Utilizat Solar Ener, Sch Innovat & Entrepreneurship, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China 2.Univ Malaya, Ctr Ion Univ Malaya, Fac Sci, Dept Phys, Kuala Lumpur 50603, Malaysia 3.Peking Univ, Sch Adv Mat, Shenzhen Grad Sch, Shenzhen 518055, Peoples R China 4.Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China 5.South China Univ Technol, Res Inst Mat Sci, Guangzhou, Peoples R China
第一作者单位	创新创业学院; 材料科学与工程系
通讯作者单位	创新创业学院; 材料科学与工程系
第一作者的第一单位	创新创业学院; 材料科学与工程系
推荐引用方式 GB/T 7714	Chen, Yuncai,Yang, Maolin,Yang, Liangtao,et al. Alkali and alkaline ions co-substitution of P2 sodium layered oxides for sodium ion batteries[J]. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY,2023,42(5).
APA	Chen, Yuncai.,Yang, Maolin.,Yang, Liangtao.,Chen, Ziwei.,Li, Huiyun.,...&Deng, Yonghong.(2023).Alkali and alkaline ions co-substitution of P2 sodium layered oxides for sodium ion batteries.CHINESE JOURNAL OF STRUCTURAL CHEMISTRY,42(5).
MLA	Chen, Yuncai,et al."Alkali and alkaline ions co-substitution of P2 sodium layered oxides for sodium ion batteries".CHINESE JOURNAL OF STRUCTURAL CHEMISTRY 42.5(2023).