Designing Polyurethane Solid Polymer Electrolytes for High-Temperature Lithium Metal Batteries

نویسندگان

چکیده

Potentially high-performance lithium metal cells in extreme high-temperature electrochemical environments is a challenging but attractive battery concept that requires stable and robust electrolytes to avoid severely limiting lifetimes of the cells. Here, properties tailored polyester polycarbonate diols as soft segments polyurethanes are investigated electrochemically evaluated for use solid polymer batteries. The demonstrate high mechanical stability against deformation at low flow rates moreover temperatures up above 100 °C, enabled by hard urethane segments. results further indicate transferrable ion transport pure polymers when incorporated polyurethanes, offering designing opportunities polyurethane tuning segment ratio composition. Long-term cycling polyurethane-containing batteries 80 °C proves elevated well compatibility with maintained after 2000 cycles.

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ژورنال

عنوان ژورنال: ACS applied energy materials

سال: 2022

ISSN: ['2574-0962']

DOI: https://doi.org/10.1021/acsaem.1c02942