碘化锂
锂(药物)
氢氧化锂
能量密度
氢氧化物
材料科学
碘化物
氧气
离子
无机化学
化学工程
工程物理
化学
电解质
物理化学
电极
离子交换
有机化学
内分泌学
工程类
医学
作者
Xuanxuan Bi,Jiantao Li,Mouad Dahbi,Jones Alami,Khalil Amine,Jun Lü
标识
DOI:10.1002/adma.202106148
摘要
Lithium-oxygen (Li-O2 ) batteries possess a high theoretical energy density, which means they could become a potential alternative to lithium-ion batteries. Nevertheless, the charging process of Li-O2 batteries requires much higher energy, due to the insulating nature of the discharge product. It has been revealed that the anion additive, lithium iodide (LiI), can tune the cell chemistry to form lithium hydroxide (LiOH) as the product and facilitate the kinetics during the charging process. Although numerous studies have been reported, the role of this additive is still under investigation. Herein, the recent advances focusing on the use of LiI in Li-O2 batteries are reviewed, its catalytic behavior on discharge and charge is discussed, and its synergistic effect with water is understood. The ambiguity existing among the studies are also revealed, and solutions to the current issues are introduced.
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