Double effect of electrochemical reaction and substrate on hardness in electrodes of lithium-ion batteries.
Double effect of electrochemical reaction and substrate on hardness in electrodes of lithium-ion batteries.
复制标题
电化学反应和基材对锂离子电池电极硬度的双重影响。
DOI：
10.1007/s00707-016-1650-1
复制
发表时间：
2016
期刊：
影响因子：
2.7
通讯作者：
Lu Chunsheng
中科院分区：
文献类型：
--
作者：
Wang Yan;Ma Zengsheng;Lei Weixin;Zou Youlan;Lu Chunsheng
基于像锂离子电池这样的复杂设备，其中在其操作期间发生许多并发事件，很难理解电化学衰减和机械性能的内在关系。借助先进的原位技术，电化学诱导位错可以真实的实时可视化。在这里，我们第一次通过引入电化学诱导位错，在锂离子电池电极的硬度和荷电状态（SOC）之间建立了一座桥梁。应用该模型，我们可以考虑基板效应来描述硬度和SOC充电和放电过程中。它可用于监测SOC，并为未来高性能可充电电池的应用提供新的途径。
Based on such a complex device as a lithium-ion battery, where many concurrent events are occurring during its operation, it is difficult to understand the intrinsic relationship of electrochemical fade and mechanical properties. With the help of advanced in situ technologies, electrochemistry-induced dislocations can be visualized in real time. Here, for the first time, we build a bridge between hardness and state of charge (SOC) for electrodes in lithium-ion batteries by introducing electrochemistry-induced dislocations. Applying this model, we can consider the substrate effect in describing hardness and the SOC during charging and discharging progresses. It may be used to monitor the SOC and provide new avenues for future applications of high-performance rechargeable batteries.