We have entered the age of renewable energy revolution.Hence,energy-dense all-solid-state lithium metal batteries are now being actively researched as one of the most promising energy storage systems.However,they have...We have entered the age of renewable energy revolution.Hence,energy-dense all-solid-state lithium metal batteries are now being actively researched as one of the most promising energy storage systems.However,they have not yet been a silver bullet due to the dendrite formation and interfacial issue.Here,we introduce the hybrid polymer electrolyte via a novel solvent-free strategy as well as utilize a polymerization and gelation effect of cyanoethyl polyvinyl alcohol to achieve superior electrochemical performance.The hybrid polymer electrolyte,using cyanoethyl polyvinyl alcohol,demonstrates a stable artificial solid electrolyte interface layer,which suppresses the continuous decomposition of Li salts.Importantly,we also present the lithium-graphite composite anode to reach the super-highenergy-density anode materials.Taken together,these advancements represent a significant stride toward addressing the challenges associated with all-solid-state lithium metal batteries.展开更多
基金supported by the Technology Innovation Program(RS-2023-00256202,Development of MLCB design and manufacturing process technology for board mounting)funded by the Ministry of Trade,Industry&Energy(MOTIE,Korea).
文摘We have entered the age of renewable energy revolution.Hence,energy-dense all-solid-state lithium metal batteries are now being actively researched as one of the most promising energy storage systems.However,they have not yet been a silver bullet due to the dendrite formation and interfacial issue.Here,we introduce the hybrid polymer electrolyte via a novel solvent-free strategy as well as utilize a polymerization and gelation effect of cyanoethyl polyvinyl alcohol to achieve superior electrochemical performance.The hybrid polymer electrolyte,using cyanoethyl polyvinyl alcohol,demonstrates a stable artificial solid electrolyte interface layer,which suppresses the continuous decomposition of Li salts.Importantly,we also present the lithium-graphite composite anode to reach the super-highenergy-density anode materials.Taken together,these advancements represent a significant stride toward addressing the challenges associated with all-solid-state lithium metal batteries.
