Synthesis and Electrochemical Performance of Cobalt-Doped KMnF3 as Cathode Materials for Potassium Ion Batteries

doi:10.1149/2.0371910jes

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	Synthesis and Electrochemical Performance of Cobalt-Doped KMnF3 as Cathode Materials for Potassium Ion Batteries
	Wang, Shuya; Cui, Bin; Zhuang, Quanchao; Shi, Yueli; Zheng, Hong
	2019-06-03
发表期刊	JOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN	0013-4651
卷号	166 期号:10 页码:A1819-1826
摘要	Manganese-based electrode materials have attracted the attention of researchers of potassium ion batteries because of their resource advantages. In this study, manganese-based fluoride cathode materials for potassium ion batteries KMnF3 and cobalt-doped KMnF3 were synthesized by a co-precipitation method under mild conditions. Solid solution K(Mn, Co) F-3 (Mn: Co = 10: 1) and composite K(Mn, Co) F-3 (Mn: Co = 8: 1) were carried out by controlling the amount of doped cobalt and characterized comprehensively. Through the comparison of the synthetic materials, the solid solution K(Mn, Co) F-3 was more favorable as a cathode material for potassium ion batteries. Regular changes of the cobalt content in the particles can effectively relieve the dissolution of manganese and improve the cycle performance of the material, so that the material still maintained a high charge capacity and discharge capacity after 60 cycles at current density of 40 mA g(-1) over the voltage range 4.2-1.2 V vs. K/K+. Electrochemical impedance spectroscopy (EIS) during the initial charging process was used to visually reflect the interfacial reaction process during potassium ion insertion and extraction. (c) 2019 The Electrochemical Society.
DOI	10.1149/2.0371910jes
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/34099
专题	盐湖资源与化学实验室中国科学院青海盐湖研究所盐湖资源综合利用工程技术中心
推荐引用方式 GB/T 7714	Wang, Shuya,Cui, Bin,Zhuang, Quanchao,et al. Synthesis and Electrochemical Performance of Cobalt-Doped KMnF3 as Cathode Materials for Potassium Ion Batteries[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2019,166(10):A1819-1826.
APA	Wang, Shuya,Cui, Bin,Zhuang, Quanchao,Shi, Yueli,&Zheng, Hong.(2019).Synthesis and Electrochemical Performance of Cobalt-Doped KMnF3 as Cathode Materials for Potassium Ion Batteries.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,166(10),A1819-1826.
MLA	Wang, Shuya,et al."Synthesis and Electrochemical Performance of Cobalt-Doped KMnF3 as Cathode Materials for Potassium Ion Batteries".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 166.10(2019):A1819-1826.

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