Impact of pH on preparation of LiFePO4@C cathode materials by a sol-gel route assisted by biomineralization
Chen, Linjing1; Feng, Wangjun1,2; Pu, Zhongsheng1,2; Wang, Xuan1,2; Song, Changkun1
2019-10-26
发表期刊IONICS
ISSN0947-7047
卷号25期号:12页码:5625-5632
摘要A carbon-coated lithium iron phosphate (LiFePO4@C) cathode materials were synthesized by a sol-gel method assisted by biomineralization. Yeast acted as a template and biocarbon source. NH3 center dot H2O was used to adjust the pH in the preparation process, which effectively controlled the morphology. The LiFePO4@C synthesized at pH = 7 exhibited an optimal electrochemical performance, with a discharge capacity of 159.6 mAh/g at 0.1 C rate. Electrochemical impedance spectroscopy and cyclic voltammetry were applied to further analyze the impact of pH value. The optimized electrode also exhibited stable cycling characteristics. The improved electrochemical properties were ascribed to uniform spherical morphology and low electrochemical impedance. The biosynthetic sol-gel route can be desired to prepare LiFePO4@C cathode materials.
关键词LFP@C Cathode materials Yeast Biomineralization Sol-gel method
DOI10.1007/s11581-019-03273-1
收录类别SCI ; SCIE
语种英语
WOS研究方向Chemistry ; Electrochemistry ; Physics
WOS类目Chemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
WOS记录号WOS:000492558800001
出版者SPRINGER HEIDELBERG
EI入藏号20194507633160
EI主题词Sol-gel process
EI分类号701.1 Electricity: Basic Concepts and Phenomena - 801 Chemistry - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 812.3 Glass - 822.3 Food Products - 951 Materials Science
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/64295
专题省部共建有色金属先进加工与再利用国家重点实验室
理学院
通讯作者Feng, Wangjun
作者单位1.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Gansu, Peoples R China;
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China
第一作者单位理学院
通讯作者单位理学院;  省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位理学院
推荐引用方式
GB/T 7714
Chen, Linjing,Feng, Wangjun,Pu, Zhongsheng,et al. Impact of pH on preparation of LiFePO4@C cathode materials by a sol-gel route assisted by biomineralization[J]. IONICS,2019,25(12):5625-5632.
APA Chen, Linjing,Feng, Wangjun,Pu, Zhongsheng,Wang, Xuan,&Song, Changkun.(2019).Impact of pH on preparation of LiFePO4@C cathode materials by a sol-gel route assisted by biomineralization.IONICS,25(12),5625-5632.
MLA Chen, Linjing,et al."Impact of pH on preparation of LiFePO4@C cathode materials by a sol-gel route assisted by biomineralization".IONICS 25.12(2019):5625-5632.
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