Li1.3Al0.3Ti1.7P3O12 activated PVDF solid electrolyte for advanced lithium–oxygen batteries

Autor: Caizheng Ou, Hao Zhang, Dan Ma, Hailiang Mu, Xiangqun Zhuge, Yurong Ren, Maryam Bayati, Ben Bin Xu, Xiaoteng Liu, Xiaoqin Zou, Kun Luo
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: EcoMat, Vol 6, Iss 8, Pp n/a-n/a (2024)
Druh dokumentu: article
ISSN: 2567-3173
DOI: 10.1002/eom2.12481
Popis: 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.
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