Classification Of Polymer Electrolytes and Their Applications in Batteries
DOI:
https://doi.org/10.54097/r8dahd31Keywords:
Classification of polymer electrolytes; New energy; State batteries.Abstract
The escalating demand for safer energy storage systems with enhanced energy density has positioned polymer electrolytes as a pivotal alternative to conventional liquid electrolytes, which suffer from fundamental drawbacks including flammability and electrolyte leakage. Owing to their intrinsic solid-state characteristics, mechanical flexibility, and tunable physicochemical properties, these electrolytes have emerged as essential constituents for developing next-generation high-safety, high-energy-density batteries with improved thermal stability. The article focuses on gel polymer electrolytes, all-solid-state polymer electrolytes, and composite polymer electrolytes. It analyzes their composition, ion-conduction mechanisms, and optimization strategies, with a particular emphasis on the interrelationships among key performance indicators such as ionic conductivity, mechanical strength, lithium-ion migration number, and chemical stability. Additionally, it reviews the practical application progress of polymer electrolytes in lithium-ion batteries (LIBs), zinc-ion batteries, and fuel cells, highlighting the current research challenges that need to be overcome, including low room-temperature conductivity, interface stability, and cost control. This study provides a theoretical basis for advancing multifunctional solid-state batteries and scalable electrolyte material applications.
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