材料科学
镓
电解质
储能
文艺复兴
氟化物
电池(电)
金属
离子
电极
液晶
碱金属
氟化锂
液态金属
纳米技术
无机化学
化学工程
光电子学
有机化学
冶金
物理化学
化学
艺术
功率(物理)
物理
量子力学
工程类
艺术史
作者
Jinghao Yang,Wei Zhou,Jiaming Hu,Ruohan Jiang,Guangai Sun,Jinxin Zhao,Fei Wang,Fang Fang,Yun Song,De‐Zheng Sun
标识
DOI:10.1002/adma.202301442
摘要
Abstract All‐solid‐state alkali ion batteries represent a future trend in battery technology, as well as provide an opportunity for low‐cost metal fluoride electrode materials, if certain intrinsic problems can be resolved. In this work, a liquid metal activation strategy is proposed in which liquid Ga elements are generated in situ and doped into the LiF crystal structure by introducing a small amount of GaF 3 . Benefiting from these two Ga states of existence, in which the liquid metal Ga can continuously maintain conformable ion/electron‐transport networks, while doped Ga in the LiF crystal structure catalyzes LiF splitting, the lithium‐ion storage capacity of MnF 2 significantly increases by 87%. A similar effect can be obtained in FeF 3 , where the sodium‐ion storage capacity is enhanced by 33%. This universal strategy with few restrictions can be used to realize a complete renaissance of metal fluorides, as well as offer an opportunity for the new application of liquid metals in the field of energy storage.
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