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In Situ Generation of Poly (Vinylene Carbonate) Based Solid Electrolyte With Interfacial Stability for LiCoO

In Situ Generation of Poly (Vinylene Carbonate) Based Solid Electrolyte With Interfacial Stability for LiCoO

Jingchao Chai, Zhihong Liu, Jun Ma, Jia Wang, Xiaochen Liu, Haisheng Liu, Jianjun Zhang, Guanglei Cui, Liquan Chen

Adv Sci (Weinh). 2016 Nov 10;4(2):1600377.

PMID: 28251055

Abstract:

Nowadays it is extremely urgent to seek high performance solid polymer electrolyte that possesses both interfacial stability toward lithium/graphitic anodes and high voltage cathodes for high energy density solid state batteries. Inspired by the positive interfacial effect of vinylene carbonate additive on solid electrolyte interface, a novel poly (vinylene carbonate) based solid polymer electrolyte is presented via a facile in situ polymerization process in this paper. It is manifested that poly (vinylene carbonate) based solid polymer electrolyte possess a superior electrochemical stability window up to 4.5 V versus Li/Li+ and considerable ionic conductivity of 9.82 × 10-5 S cm-1 at 50 °C. Moreover, it is demonstrated that high voltage LiCoO2/Li batteries using this solid polymer electrolyte display stable charge/discharge profiles, considerable rate capability, excellent cycling performance, and decent safety characteristic. It is believed that poly (vinylene carbonate) based electrolyte can be a very promising solid polymer electrolyte candidate for high energy density lithium batteries.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP872366	Vinylene carbonate		872-36-6	Price

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