Zhou Weidong, Li Yutao, Xin Sen, Goodenough John B
Materials Research Program and the Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States.
ACS Cent Sci. 2017 Jan 25;3(1):52-57. doi: 10.1021/acscentsci.6b00321. Epub 2017 Jan 3.
A reversible plating/stripping of a dendrite-free metallic-sodium anode with a reduced anode/ceramic interfacial resistance is created by a thin interfacial interlayer formed or by the introduction of a dry polymer film. Wetting of the sodium on the interfacial interlayer suppresses dendrite formation and growth at different discharge/charge C-rates. All-solid-state batteries were obtained with a high cycling stability and Coulombic efficiency at 65 °C.
通过形成的薄界面中间层或引入干聚合物膜，可实现无枝晶金属钠阳极的可逆电镀/剥离，同时降低阳极/陶瓷界面电阻。钠在界面中间层上的润湿性可抑制不同充放电C倍率下枝晶的形成和生长。在65℃下获得了具有高循环稳定性和库仑效率的全固态电池。
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