An in situ-Fabricated Composite Polymer Electrolyte Containing Large-Anion Lithium Salt for All-Solid-State LiFePO4/Li Batteries

Huang Ke-Cheng; Li Huan-Huan; Fan Hong-Hong; Guo Jin-Zhi; Xing Yue-Ming; Hu Yu-Peng; Wu Xing-Long; Zhang Jing-Ping

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An in situ-Fabricated Composite Polymer Electrolyte Containing Large-Anion Lithium Salt for All-Solid-State LiFePO4/Li Batteries

机译：用于全固态LiFepo4 / Li电池的大阴离子锂盐的原位制造的复合聚合物电解质

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摘要

In this work, we propose an in situ hydrolytic method to synthesize SiO2 nanoparticles, which are incorporated in poly (ethylene oxide)-based polymer in the presence of lithium salt with a large anion (lithium bis(oxalate)borate). When evaluated as the solid electrolyte for electrochemical performance in lithium batteries, the as-prepared composite polymer electrolyte (CPE) exhibits an exciting ion conductivity of 1.9 mS/cm at 80 degrees C. Moreover, the CPE shows a decent Li+ transference number up to 0.69 and wide electrochemical window of 5.05 V at 60 degrees C. Furthermore, the Li/LiFePO4 cell assembled by the CPE exhibits an impressive capacity of 156.3 mAh/g at 60 degrees C under 0.05 C (1 C=160 mA/g). Considering the aspects mentioned above, the prepared CPE has the potential to be applied in practical high-temperature batteries with a long-term service life. More importantly, the synthetic strategy is favorable for enhancing both physical and electrochemical performance for solid electrolyte and may provide a new strategy for study and fabrication of lithium batteries.

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来源
《ChemElectroChem》 |2017年第9期|共7页
作者
Huang Ke-Cheng; Li Huan-Huan; Fan Hong-Hong; Guo Jin-Zhi; Xing Yue-Ming; Hu Yu-Peng; Wu Xing-Long; Zhang Jing-Ping;
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作者单位

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Natl &

Local United Engn Lab Power Batteries Changchun 130024 Jilin Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
in situ fabrication; lithium battery; all solid state; poly(ethylene oxide); composite polymer electrolyte;

机译：原位制造;锂电池;所有固态;聚（环氧乙烷）;复合聚合物电解质;

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6. An in situ-Fabricated Composite Polymer Electrolyte Containing Large-Anion Lithium Salt for All-Solid-State LiFePO4/Li Batteries [J] . Huang Ke-Cheng, Li Huan-Huan, Fan Hong-Hong, ChemElectroChem . 2017,第9期

机译：含有大阴离子锂盐的原位制造的复合聚合物电解质，适用于全固态LiFepo4 / Li电池
7. Enhanced cycling performance for all-solid-state lithium ion battery with LiFePO4 composite cathode encapsulated by poly (ethylene glycol) (PEG) based polymer electrolyte [J] . Zeng Huihui, Ji Xiaoxiao, Tsai Fangchang, Solid state ionics . 2018,第期

机译：通过聚（乙二醇）（PEG）基于聚合物电解质封装的LifePO4复合阴极的LifePO4复合阴极增强了全固态锂离子电池的循环性能
8. Lithium-Salt-Rich PEO/Li0.3La0.557TiO3 Interpenetrating Composite Electrolyte with Three-Dimensional Ceramic Nano-Backbone for All-Solid-State Lithium-Ion Batteries [J] . Wang Xinzhi, Zhang Yibo, Zhang Xue, ACS applied materials & interfaces . 2018,第29期

机译：锂 - 盐浓度的PEO / Li0.3La0.557TiO3与全固态锂离子电池的三维陶瓷纳米骨架相互穿透复合电解质
9. DEVELOPMENT OF ALL-SOLID-STATE LITHIUM BATTERY USING QUASI-SOLID-STATE RTIL – LI-SALT – SILICA NANO-COMPOSITE ELECTROLYTES [C] . ATSUSHI UNEMOTO, HIDEYUKI OGAWA, YOSHIYUKI GAMBE, Asian Conference on Solid State Ionics . 2013

机译：用准固态RTIL - Li-Silit - 二氧化硅纳米复合电解质开发全固态锂电池
10. Advanced Composite Solid Electrolyte Designs Toward High-Performance All-Solid-State Li Batteries [D] . Yan, Chaoyi. 2020

机译：先进的复合固体电解质设计朝高性能全固态LI电池设计
11. A polycarboxylic/ether composite polymer electrolyte via in situ UV-curing for all-solid-state lithium battery [O] . Wenli Wang, Ziwen Qiu, Qian Wang, 2020

机译：全固态锂电池原位UV固化的多羧基/醚复合聚合物电解质
12. Composite Sulfur Electrode for All-solid-state Lithium–sulfur Battery with Li₂S–GeS₂–P₂S₅-based Thio-LISICON Solid Electrolyte [O] . Kota SUZUKI, Dai KATO, Kosuke HARA, 2018

机译：具有Li _{2 S-GES _{2 -p _{2 s _{5 s _{5 s _{5 s _{5 s _{5 s _{5 < /亚>基于硫齐锡固体电解质}}}}}}}}}
13. Polymeric-Organometallic Composites as Electrolytes for Lithium Batteries [R] . Florjanczyk, Z. 1997

机译：聚合物 - 有机金属复合材料作为锂电池的电解质

An in situ-Fabricated Composite Polymer Electrolyte Containing Large-Anion Lithium Salt for All-Solid-State LiFePO4/Li Batteries

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