Adv Mater 2021 Dec 2:e2107899. Epub 2021 Dec 2.
State Key Laboratory of Silicon Materials and School of Materials Science and Engineering Zhejiang University, Hangzhou, 310027, China.
With the highest energy density ever among all sorts of commercialized rechargeable batteries, Li-ion batteries (LIBs) have stimulated the upsurge utilization in 3C devices, electric vehicles, and stationary energy storage systems. However, a high performance of commercial LIBs based on ethylene carbonate electrolytes and graphite anodes can only be achieved at above -20°C, which restricts their applications in harsh environments. In this review, we provided a comprehensive research progress and in-depth understanding of the critical factors leading to the poor low-temperature performance of LIBs, sorted out the distinctive challenges on the anodes, electrolytes, cathodes and electrolyte-electrodes interphases, with a special focus on Li-ions transport mechanism therein. Read More