Journal
ADVANCED MATERIALS
Volume 34, Issue 15, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202107899
Keywords
desolvation energy; electrolytes; Li batteries; low-temperature batteries; solid electrolyte interface
Categories
Funding
- National Natural Science Foundation of China [22072134]
- Natural Science Foundation of Zhejiang Province [LZ21B030002]
- Fundamental Research Funds for the Zhejiang Provincial Universities [2021XZZX010]
- Fundamental Research Funds for the Central Universities [2021FZZX001-09]
- Hundred Talents Program of Zhejiang University
- Vehicle Technology Office of the U.S. DOE through Applied Battery Research for Transportation (ABRT) program [DE-SC0012704]
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This article presents a comprehensive research on the key factors contributing to the poor low-temperature performance of LIBs and proposes strategies and solutions to improve it.
With the highest energy density ever among all sorts of commercialized rechargeable batteries, Li-ion batteries (LIBs) have stimulated an 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 degrees C, which restricts their applications in harsh environments. Here, a comprehensive research progress and in-depth understanding of the critical factors leading to the poor low-temperature performance of LIBs is provided; the distinctive challenges on the anodes, electrolytes, cathodes, and electrolyte-electrodes interphases are sorted out, with a special focus on Li-ion transport mechanism therein. Finally, promising strategies and solutions for improving low-temperature performance are highlighted to maximize the working-temperature range of the next-generation high-energy Li-ion/metal batteries.
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