The rapid evolution of lithium-ion batteries over the past decade,coupled with their extensive commercial utilization,has entrenched lithium-ion technology as a cornerstone in the energy-storage field.Despite this est...The rapid evolution of lithium-ion batteries over the past decade,coupled with their extensive commercial utilization,has entrenched lithium-ion technology as a cornerstone in the energy-storage field.Despite this established position,the prevalence of liquid electrolytes in contemporary batteries has been beset by inherent vulnerabilities,including susceptibility to leakage,volatility,and combustibility.In response,polymer electrolytes have emerged as a promising alternative,distinguished by their superior safety profile,elevated energy density,and prolonged operational lifespan.Nevertheless,the widespread adoption of polymer electrolytes also has impediments such as constrained mobility and the propensity for forming lithium dendrite.Addressing these issues is paramount for the further advancement of polymer electrolyte technology.This review aims to provide a comprehensive elucidation of gel polymer electrolytes,solid polymer electrolytes,and composite polymer electrolytes,the predominant subclasses within the field of polymer electrolytes.A systematic exposition of diverse polymer electrolyte formulations,encompassing their respective merits and demerits alongside prospective applications,will be undertaken.Particular emphasis will be put on the strategies applied to ameliorate battery performance to delineate the avenues for potential enhancement in this critical domain.展开更多
文摘The rapid evolution of lithium-ion batteries over the past decade,coupled with their extensive commercial utilization,has entrenched lithium-ion technology as a cornerstone in the energy-storage field.Despite this established position,the prevalence of liquid electrolytes in contemporary batteries has been beset by inherent vulnerabilities,including susceptibility to leakage,volatility,and combustibility.In response,polymer electrolytes have emerged as a promising alternative,distinguished by their superior safety profile,elevated energy density,and prolonged operational lifespan.Nevertheless,the widespread adoption of polymer electrolytes also has impediments such as constrained mobility and the propensity for forming lithium dendrite.Addressing these issues is paramount for the further advancement of polymer electrolyte technology.This review aims to provide a comprehensive elucidation of gel polymer electrolytes,solid polymer electrolytes,and composite polymer electrolytes,the predominant subclasses within the field of polymer electrolytes.A systematic exposition of diverse polymer electrolyte formulations,encompassing their respective merits and demerits alongside prospective applications,will be undertaken.Particular emphasis will be put on the strategies applied to ameliorate battery performance to delineate the avenues for potential enhancement in this critical domain.
