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In Situ Formation of Polysulfonamide Supported Poly(ethylene Glycol) Divinyl Ether Based Polymer Electrolyte Toward Monolithic Sodium Ion Batteries

In Situ Formation of Polysulfonamide Supported Poly(ethylene Glycol) Divinyl Ether Based Polymer Electrolyte Toward Monolithic Sodium Ion Batteries

Jianjun Zhang, Huijie Wen, Liping Yue, Jingchao Chai, Jun Ma, Pu Hu, Guoliang Ding, Qingfu Wang, Zhihong Liu, Guanglei Cui, Liquan Chen

Small. 2017 Jan;13(2).

PMID: 27809415

Abstract:

Sodium ion battery is one of the promising rechargeable batteries due to the low-cost and abundant sodium sources. In this work, a monolithic sodium ion battery based on a Na3 V2 (PO4 )3 cathode, MoS2 layered anode, and polyether-based polymer electrolyte is reported. In addition, a new kind of polysulfonamide-supported poly(ethylene glycol) divinyl ether based polymer electrolyte is also demonstrated for monolithic sodium ion battery via in situ preparation. The resultant polymer electrolyte exhibits relatively high ionic conductivity (1.2 mS cm-1 ) at ambient temperature, wide electrochemical window (4.7 V), and favorable mechanical strength (25 MPa). Moreover, such a monolithic Na3 V2 (PO4 )3 /MoS2 sodium ion battery using this polymer electrolyte delivers outstanding rate capability (up to 10 C) and superior cyclic stability (84%) after 1000 cycles at 0.5 C. What is more essential, such a polymer electrolyte based soft-package monolithic sodium ion cell can still power a red light emitting diode lamp and run finite times without suffering from any internal short-circuit failures, even in the case of a bended and wrinkled state. Considering these aspects, this work no doubt provides a new approach for the design of a high-performance polymer electrolyte toward monolithic sodium ion battery with exceptional rate capability and high safety.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP50856263	Poly(ethylene glycol) divinyl ether		50856-26-3	Price

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