扫描电子显微镜
材料科学
枝晶(数学)
锂(药物)
聚合物
基质(水族馆)
电化学
显微镜
电子显微镜
化学工程
纳米技术
光电子学
光学
复合材料
电极
化学
物理
地质学
工程类
内分泌学
物理化学
几何学
海洋学
医学
数学
作者
Mickaël Dollé,Lucas Sannier,B. Beaudoin,Michel Trentin,Jean‐Marie Tarascon
摘要
We report live observations of lithium polymer batteries upon cycling within the microscope antechamber by means of a scanning electron microscope, equipped with a transfer system that avoids sample air exposure. The well-established direct correlation between current density and dendrite formation is confirmed, and the formation of a mossy or dendritic interface was evidenced to be at the origin of the delaminating between the substrate, where the lithium is plated, and the polymer. These experiments enable a better understanding of the dendrite formation mechanism, like the important finding that they grow tipwise as well as sidewise. © 2002 The Electrochemical Society. All rights reserved.
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