Toward garnet electrolyte–based Li metal batteries: An ultrathin, highly effective, artificial solid-state electrolyte/metallic Li interface
Kun Fu(University of Maryland, College Park), Yunhui Gong(University of Maryland, College Park), Boyang Liu(University of Maryland, College Park), Yizhou Zhu(University of Maryland, College Park), Shaomao Xu(University of Maryland, College Park), Yonggang Yao(University of Maryland, College Park), Wei Luo(University of Maryland, College Park), Chengwei Wang(University of Maryland, College Park), Steven D. Lacey(University of Maryland, College Park), Jiaqi Dai(University of Maryland, College Park), Yanan Chen(University of Maryland, College Park), Yifei Mo(University of Maryland, College Park), Eric D. Wachsman(University of Maryland, College Park), Liangbing Hu(University of Maryland, College Park)
Cited by 822Open Access
Abstract
(LLCZN) was selected as the solid-state electrolyte (SSE) in this work because of its low sintering temperature, stabilized cubic garnet phase, and high ionic conductivity. This low area-specific resistance enables a solid-state garnet SSE/Li metal configuration and promotes the development of a hybrid electrolyte system. The hybrid system uses the improved solid-state garnet SSE Li metal anode and a thin liquid electrolyte cathode interfacial layer. This work provides new ways to address the garnet SSE wetting issue against Li and get more stable cell performances based on the hybrid electrolyte system for Li-ion, Li-sulfur, and Li-oxygen batteries toward the next generation of Li metal batteries.