Li1.3Al0.3Ti1.7P3O12 activated PVDF solid electrolyte for advanced lithium–oxygen batteries
Caizheng Ou,
Hao Zhang,
Dan Ma,
Hailiang Mu,
Xiangqun Zhuge,
Yurong Ren,
Maryam Bayati,
Ben Bin Xu,
Xiaoteng Liu,
Xiaoqin Zou,
Kun Luo
Affiliations
Caizheng Ou
Changzhou Key Laboratory of Intelligent Manufacturing and Advanced Technology for Power Battery School of Materials Science and Engineering, Changzhou University Changzhou China
Hao Zhang
Faculty of Chemistry Northeast Normal University Changchun China
Dan Ma
Faculty of Chemistry Northeast Normal University Changchun China
Hailiang Mu
Changzhou Key Laboratory of Intelligent Manufacturing and Advanced Technology for Power Battery School of Materials Science and Engineering, Changzhou University Changzhou China
Xiangqun Zhuge
Changzhou Key Laboratory of Intelligent Manufacturing and Advanced Technology for Power Battery School of Materials Science and Engineering, Changzhou University Changzhou China
Yurong Ren
Changzhou Key Laboratory of Intelligent Manufacturing and Advanced Technology for Power Battery School of Materials Science and Engineering, Changzhou University Changzhou China
Maryam Bayati
Department of Mechanical and Construction Engineering, Faculty of Engineering and Environment Northumbria University Newcastle upon Tyne UK
Ben Bin Xu
Department of Mechanical and Construction Engineering, Faculty of Engineering and Environment Northumbria University Newcastle upon Tyne UK
Xiaoteng Liu
Changzhou Key Laboratory of Intelligent Manufacturing and Advanced Technology for Power Battery School of Materials Science and Engineering, Changzhou University Changzhou China
Xiaoqin Zou
Faculty of Chemistry Northeast Normal University Changchun China
Kun Luo
Changzhou Key Laboratory of Intelligent Manufacturing and Advanced Technology for Power Battery School of Materials Science and Engineering, Changzhou University Changzhou China
Abstract Lithium‐ion composite solid electrolyte membranes embedded with Li1.3Al0.3Ti1.7P3O12 and poly(vinylidene fluoride) are prepared using a facile casting method. Furthermore, we added LiI as an active agent for decomposing the anode product. The synergy resulted in a high conductivity of 7.4 mS·cm−1 and lithium‐ion mobility of 0.59 and a reduction of the overpotential to 0.86 V for lithium–oxygen batteries (LOBs). The membrane has enhanced Young's modulus of 6.6 GPa that effectively blocked the lithium dendrite growth during the battery operation and puncturing to the membrane led to a significant LOB cycle life of 542 cycles. Meanwhile, Li|Li symmetrical battery overpotential maintained at 42 mV after 470 h of operation.
