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High-voltage and free-standing poly(propylene carbonate)/Li6.75La3Zr1.75Ta0.25O12composite solid electrolyte for wide temperature range and flexible solid lithium ion battery
Zhang, Jianjun1,2; Zang, Xiao1; Wen, Huijie1; Dong, Tiantian1; Chai, Jingchao1,2; Li, Yang1,2; Chen, Bingbing1; Zhao, Jingwen1; Dong, Shanmu1; Ma, Jun1; Yue, Liping1; Liu, Zhihong1; Guo, Xiangxin3; Cui, Guanglei1; Chen, Liquan4
2017
Source PublicationJournal of Materials Chemistry A
ISSN20507488
Volume5Issue:10Pages:4940-4948
AbstractSolid electrolyte is regarded as a perfect way to enhance safety issues and boost energy density of lithium batteries. Herein, we developed a type of free-standing poly(propylene carbonate)/Li6.75La3Zr1.75Ta0.25O12composite solid electrolyte for ambient temperature and flexible solid-state lithium batteries. The composite solid electrolyte exhibited excellent comprehensive performance in terms of high ionic conductivity (5.2 × 10−4S cm−1) at 20 °C, a wide electrochemical window (4.6 V), high ionic transference number (0.75) and satisfactory mechanical strength (6.8 MPa). When evaluated as solid electrolyte for an ambient-temperature solid lithium battery, such a composite electrolyte delivered excellent rate capability (5C) at 20 °C. This superior performance can be comparable to a liquid electrolyte-soaked PP separator-based lithium battery at room temperature. To our knowledge, this is the best rate capability of a solid composite electrolyte for a solid lithium battery at ambient temperature. Moreover, such a composite electrolyte-based flexible LiFePO4/Li4Ti5O12lithium ion battery delivered excellent rate capability and superior cycling stability. All these fascinating features make poly(propylene carbonate)/Li6.75La3Zr1.75Ta0.25O12a very promising all-solid-state electrolyte for flexible solid lithium batteries. Our study makes a big step into addressing the challenges of ambient-temperature solid lithium batteries. © The Royal Society of Chemistry.
DOI10.1039/c6ta10066j
EI Accession Number20171103431480
EI KeywordsSolid electrolytes
EI Classification Number641.1 Thermodynamics - 701.1 Electricity: Basic Concepts and Phenomena - 801.4 Physical Chemistry - 802.2 Chemical Reactions - 803 Chemical Agents and Basic Industrial Chemicals - 804.1 Organic Compounds
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25504
Collection中国科学院上海硅酸盐研究所
Affiliation1.Qingdao Industrial Energy Storage Technology Institute, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao; 266101, China;
2.University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing; 100049, China;
3.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
4.Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing; 100190, China
Recommended Citation
GB/T 7714
Zhang, Jianjun,Zang, Xiao,Wen, Huijie,et al. High-voltage and free-standing poly(propylene carbonate)/Li6.75La3Zr1.75Ta0.25O12composite solid electrolyte for wide temperature range and flexible solid lithium ion battery[J]. Journal of Materials Chemistry A,2017,5(10):4940-4948.
APA Zhang, Jianjun.,Zang, Xiao.,Wen, Huijie.,Dong, Tiantian.,Chai, Jingchao.,...&Chen, Liquan.(2017).High-voltage and free-standing poly(propylene carbonate)/Li6.75La3Zr1.75Ta0.25O12composite solid electrolyte for wide temperature range and flexible solid lithium ion battery.Journal of Materials Chemistry A,5(10),4940-4948.
MLA Zhang, Jianjun,et al."High-voltage and free-standing poly(propylene carbonate)/Li6.75La3Zr1.75Ta0.25O12composite solid electrolyte for wide temperature range and flexible solid lithium ion battery".Journal of Materials Chemistry A 5.10(2017):4940-4948.
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