Ultrathin, Compacted Gel Polymer Electrolytes Enable High‐Energy and Stable‐Cycling 4 V Lithium‐Metal Batteries

Ultrathin, Compacted Gel Polymer Electrolytes Enable High‐Energy and Stable‐Cycling 4 V Lithium‐Metal Batteries

Batteries with lithium metal as anodes and gel polymer membranes as electrolytes are promising, because of their high energy densities and improved safety. To achieve metal battery energy densities that are comparable to liquid‐electrolyte batteries, ultrathin and lightweight gel electrolytes with w...

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Veröffentlicht in:ChemElectroChem 2020-09, Vol.7 (17), p.3656-3662
Hauptverfasser: Song, Shufeng, Tan, Xinjie, Zhai, Yanfang, Yang, Guanming, Yao, Jianyao, Li, Shuai, Hu, Ning, Qi, Xueli, Li, Ru, Ma, Wandong, Wen, Zhaoyin, Lu, Li
Format: Artikel
Sprache:eng
Schlagworte:
batteries
chemical interaction
Electrolytes
Electrolytic cells
Lithium
Lithium batteries
lithium metal
Membranes
Nanoparticles
Polymers
Product safety
Separators
Silicon dioxide
Sol-gel processes
Stability
Vinylidene
Vinylidene fluoride
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Zusammenfassung:Batteries with lithium metal as anodes and gel polymer membranes as electrolytes are promising, because of their high energy densities and improved safety. To achieve metal battery energy densities that are comparable to liquid‐electrolyte batteries, ultrathin and lightweight gel electrolytes with wide electrochemical stability windows are desired. However, it is challenging to make gel polymer electrolyte membranes with comparable thicknesses to commercial polymer electrolyte separators (
ISSN:2196-0216
2196-0216
DOI:10.1002/celc.202000955