电解质
阳极
材料科学
阴极
储能
电化学
熔盐
纳米技术
化学工程
水合物
数码产品
化学
冶金
功率(物理)
电极
工程类
有机化学
物理化学
物理
量子力学
作者
Cheng Wang,Xin Zeng,Jiangtao Qu,Julie M. Cairney,Qiangqiang Meng,Patrick J. Cullen,Zengxia Pei
出处
期刊:Matter
[Elsevier]
日期:2023-09-21
卷期号:6 (11): 3993-4012
被引量:31
标识
DOI:10.1016/j.matt.2023.08.019
摘要
Molten hydrate electrolytes are promising in tackling severe issues facing aqueous zinc-metal batteries (ZMBs), but their flexible equivalents commensurate with the full “flexible vision” of emerging electronics are still lacking. Here, we advance a general salt-tolerance training strategy to fabricate such electrolytes simply by induction of water molecules and ion migration in rationalized hydrogels. Combined characterizations and simulations verify that there are no free water molecules within the electrolyte. This unique flexible electrolyte features desirable mechanical and electrochemical properties and enables exceptional stability of both the cathode and the Zn anode. Warranted by these features of the electrolytes, the assembled flexible ZMBs deliver an unprecedented cumulative areal capacity of 10.3 Ah cm−2, and pouch cells with practical areal capacities are realized. Solid-state batteries also demonstrate great potential as reliable flexible power sources. This work opens up an avenue for leveraging flexible molten hydrate electrolytes for energy-dense and stable ZMBs.
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