期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 140, 期 1, 页码 82-85出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b10864
关键词
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资金
- National Key R&D Program of China [2016YFA0202500]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09010000]
- National Natural Science Foundation of China [21773264, U1301244]
The key bottleneck troubling the application of solid electrolyte is the contradictory requirements from Li-metal and cathode, which need high modulus to block Li-dendrite penetration and flexibility to enable low interface resistance, respectively. This study describes a thin asymmetrical design of solid electrolyte to address these shortcomings. In this architecture, a rigid ceramic-layer modified with an ultrathin polymer is toward Li-metal to accomplish dendrite-suppression of Li-anode, and a soft polymer-layer spreads over the exterior and interior of cathode to endow connected interface simultaneously. This ingenious arrangement endows solid Li-metal batteries with extremely high Coulombic efficiency and cyclability. This work will open up one avenue for realizing safe and long-life energy storage systems.
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