Effects of Citric Acid on the Preparation of a LiFePO<sub>4</sub>@C Cathode Material Assisted by Biomineralization

Linjing Chen; Wangjun Feng; Zhongsheng Pu; Xuan Wang; Wenxiao Su; Miaomiao Li; Changkun Song; Zhaojiao Shi; Yifan Zheng

首页> 外文期刊>International Journal of Electrochemical Science >Effects of Citric Acid on the Preparation of a LiFePO₄@C Cathode Material Assisted by Biomineralization

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Effects of Citric Acid on the Preparation of a LiFePO₄@C Cathode Material Assisted by Biomineralization

机译：柠檬酸对生物矿化辅助制备LiFePO _{4 @C正极材料的影响}

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A carbon-coated LiFePO 4 (LFP@C) cathode material was prepared by a bio-template-assisted sol-gelmethod in which yeast acts both as a structural template and as a carbon source. Citric acidmonohydrate as a chelating agent was added in different experimental steps to investigate its effect onthe crystallinity, specific capacity and electrochemical performance of the positive electrode materialLFP. Systematic studies show that LFP@C-3 exhibits the best specific capacity, with dischargecapacities of 156.4 mAh g -1 and 97.5 mAh g -1 at 0.1 C and 5 C, respectively. The improvedelectrochemical properties of the resulting LFP@C-3 can be attributed to its good crystal purity andcarbon coating. The chelating agent citric acid has important positive significance when preparingLFP@C by the sol-gel method and using yeast as a structural template.

机译：通过生物模板辅助的溶胶凝胶法制备了碳包覆的LiFePO 4（LFP @ C）阴极材料，其中酵母既充当结构模板又充当碳源。在不同的实验步骤中添加了柠檬酸一水合物作为螯合剂，以研究其对正极材料LFP的结晶度，比容量和电化学性能的影响。系统研究表明，LFP @ C-3表现出最佳的比容量，在0.1 C和5 C下的放电容量分别为156.4 mAh g -1和97.5 mAh g -1。所得LFP @ C-3的改进的电化学性质可归因于其良好的晶体纯度和碳涂层。当通过溶胶-凝胶法制备LFP @ C并使用酵母作为结构模板时，螯合剂柠檬酸具有重要的积极意义。

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《International Journal of Electrochemical Science》 |2019年第8期|共10页
作者
Linjing Chen; Wangjun Feng; Zhongsheng Pu; Xuan Wang; Wenxiao Su; Miaomiao Li; Changkun Song; Zhaojiao Shi; Yifan Zheng;
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中图分类化学;
关键词
LFP@Cyeastsol-gel methodchelating agentstructural template;

机译：LFP @ Cyeastsol-gel方法螯合剂结构模板;

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1. Impact of pH on preparation of LiFePO4@C cathode materials by a sol-gel route assisted by biomineralization [J] . Chen Linjing, Feng Wangjun, Pu Zhongsheng, Ionics . 2019,第12期

机译：pH对生物矿化辅助溶胶 - 凝胶途径对LiFepo4 @ C阴极材料的影响
2. Preparation of LiFePO_4 as a cathode material for lithium ion batteries by a citric acid complex method [J] . Masashi Higuchi, Kaori Uchida, Keiichi Katayama, Key Engineering Materials . 2006,第期

机译：柠檬酸络合法制备锂离子电池正极材料LiFePO_4
3. Oxalic acid-assisted preparation of LiFePO₄/C cathode material for lithium-ion batteries [J] . Junqing Dou, Xueya Kang, Tuerdi Wumaier, Journal of Solid State Electrochemistry . 2012,第5期

机译：草酸辅助制备锂离子电池LiFePO _{4 / C正极材料}
4. Preparation of LiFePO{sub}4 as a cathode material for lithium ion batteries by a citric acid complex method [C] . Masashi Higuchi, Kaori Uchida, Keiichi Katayama, Electronics Division meeting of the Ceramic Society of Japan . 2006

机译：用柠檬酸复合方法制备LiFepo {Sub} 4作为锂离子电池的阴极材料
5. A Study of LiFePO4 Cathode Material with Carbon Nanomaterial Additives for Li-Ion Batteries [D] . ?Adepoju, Adewale A. 2019

机译：锂离子电池碳纳米材料添加剂的LiFepo4阴极材料研究
6. Preparation of LiFePO4/C Cathode Materials via a Green Synthesis Route for Lithium-Ion Battery Applications [O] . Rongyue Liu, Jianjun Chen, Zhiwen Li, 2018

机译：通过绿色合成路线制备LiFePO4 / C正极材料用于锂离子电池应用
7. Preparation of High Performance LiFePO4/C Cathode Materials by Using Polymer Templates [O] . Yang Chun-Chen, Wang Yi-Xuan 2014

机译：利用聚合物模板制备高性能LiFePO4 / C阴极材料

Effects of Citric Acid on the Preparation of a LiFePO4@C Cathode Material Assisted by Biomineralization

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Effects of Citric Acid on the Preparation of a LiFePO₄@C Cathode Material Assisted by Biomineralization