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

Itziar Aldalur , X. Wang , Alexander Santiago , Nicolas Goujon , María Echeverría , María Martínez-Ibáñez , Michał Piszcz , Patrick C. Howlett , Maria Forsyth , Michel Armand , Heng Zhang

Abstract

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.

Author Itziar Aldalur - [CIC energigune]
Itziar Aldalur,,
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, X. Wang
X. Wang,,
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, Alexander Santiago - [CIC energigune]
Alexander Santiago,,
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, Nicolas Goujon - [Deakin University]
Nicolas Goujon,,
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, María Echeverría - [CIC energigune]
María Echeverría,,
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, María Martínez-Ibáñez - [CIC energigune]
María Martínez-Ibáñez,,
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, Michał Piszcz (FC / CofIC)
Michał Piszcz,,
- Chair Of Inorganic Chemistry
, Patrick C. Howlett - [Deakin University]
Patrick C. Howlett,,
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, Maria Forsyth - [Deakin University]
Maria Forsyth,,
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, Michel Armand - [CIC energigune]
Michel Armand,,
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et al.`
Journal seriesJournal of Power Sources, ISSN 0378-7753, e-ISSN 1873-2755
Issue year2020
Vol448
ASJC Classification1606 Physical and Theoretical Chemistry; 2102 Energy Engineering and Power Technology; 2105 Renewable Energy, Sustainability and the Environment; 2208 Electrical and Electronic Engineering
DOIDOI:10.1016/j.jpowsour.2019.227424
Languageen angielski
Score (nominal)140
Score sourcejournalList
ScoreMinisterial score = 140.0, 03-09-2020, ArticleFromJournal
Publication indicators Scopus Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.433; WoS Impact Factor: 2018 = 7.467 (2) - 2018=6.823 (5)
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