期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 166, 期 3, 页码 A5318-A5322出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0481903jes
关键词
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资金
- Dual Use Technology Program of the Institute of Civil Military Technology Cooperation
- Ministry of Trade, Industry & Energy and Defense Acquisition Program Administration [17-CM-EN-11]
To enhance the packing density of composite cathode for all-solid-state lithium-ion batteries, the effect of a bimodal sized solid electrolyte was studied. The composite cathode, which is fabricated using the powder compression method, consisted of the cathode active material, a conductive agent, and the solid electrolyte. However, the composite cathode construction had voids. The voids in the composite cathode were restricted to ionic conduction between the cathode active materials and the solid electrolytes. Suppression of the voids in the composite cathode improved the electrochemical performance of the all-solid-state battery. A composite cathode using bimodal sized electrolyte powders demonstrated better cell performance than that using only fine or coarse sized electrolyte powders. These results demonstrated that the composite cathode using the bimodal sized electrolyte enhanced the electrochemical performance of the all-solid-state battery because it improved the packing density of the cathode. (c) The Author(s) 2019. Published by ECS.
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