Cycle life evaluation of lithium cells subjected to micro-cycles
Cycle life evaluation of lithium cells subjected to micro-cycles
复制标题
锂电池微循环寿命评估
DOI：
10.1109/iyce.2015.7180788
复制
发表时间：
2015
期刊：
影响因子：
--
通讯作者：
G. Lutzemberger
中科院分区：
文献类型：
--
作者：
G. Lutzemberger
蓄电池的典型操作条件要求在大的时间间隔内输送和吸收小电流，以分钟或小时为单位。然而，在过去几年中，锂电池越来越多地被认为是“面向功率”的应用，其中它们需要在短时间间隔（通常为几秒或几十秒）内管理大电流。遗憾的是，文献中关于这种用途的电池寿命的信息非常有限。事实上，该文件的重点是对高功率锂电池进行浅深度充电/放电循环的老化过程的评价。其目的是评估与这种微循环相对应的电池寿命是否可以达到数十万，从而假设电池性能实际上比制造商数据分析所预期的要好得多。
The typical operating condition of storage batteries requires to deliver and absorb small currents in large intervals of time, in order of minutes or hours. However, in the last years lithium batteries are more and more considered in “power oriented” applications in which they are required to manage large currents in short intervals of time, typically few seconds or tens of seconds. Unfortunately, very limited information on the cell life on this kind of usage are available in literature. Indeed, the paper is focused on the evaluation of the aging process for high power lithium batteries subjected to shallow-depth charge/discharge cycles. The aim is to evaluate if the battery life corresponding to such micro-cycles can reach several hundreds of thousands, allowing the hypothesis that battery performance is effectively much better than expected by the analysis of manufacturer data.