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Nanofiber-reinforced polymer electrolytes toward room temperature solid-state lithium batteries

journal contribution
posted on 01.02.2020, 00:00 authored by I Aldalur, Xiaoen WangXiaoen Wang, A Santiago, Nicolas GoujonNicolas Goujon, M Echeverría, M Martínez-Ibáñez, M Piszcz, Patrick HowlettPatrick Howlett, Maria ForsythMaria Forsyth, M Armand, H Zhang
Safe and efficient utilization of electrochemical energy is of prime importance for e-mobility and sustainable development of the current society. Solid state batteries (SSBs) have emerged as one of the most promising solutions to address aforementioned challenges due to the replacement of conventional liquid electrolytes with inherently safer solid electrolytes. Polymer electrolyte (PE)-based SSBs have better processability and flexibility than inorganic electrolyte-based ones; however, the room temperature (RT) operation of the PE-based SSBs remains as one of the most critical issues. Herein, a nanofiber-reinforced polymer electrolyte (NRPE) comprising of poly(vinylidene fluoride) fibers along with a high molecular weight though flowable polymer matrix is proposed as an innovative electrolyte for SSBs. These NRPEs are self-standing, highly conductive, and stable against Li metal (Li°) electrode, endowing the Li° || LiFePO4 cells with good performances at operational temperatures down to RT. The outstanding physicochemical and electrochemical properties of NRPEs make them as appealing candidates for attaining high-performance SSBs.

History

Journal

Journal of power sources

Volume

448

Article number

227424

Pagination

1 - 7

Publisher

Elsevier

Location

Amsterdam, The Netherlands

ISSN

0378-7753

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2019, Elsevier Ltd.