期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 30, 页码 26764-26769出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b05468
关键词
Li-ion batteries; electrode microstructure; self-heating; active packing; cold-start effectiveness
资金
- Office of Naval Research (ONR) [N00014-18-1-2397]
- ONR
Cold start is an ineluctable stipulation for electric vehicle operation under low-temperature extremes. It has typically been addressed through cell-level heating strategies. We advocate an electrode-level strategy leveraging pore-scale manifestation of thermal metastability that promotes self-heating. Appropriate controllable stochastic characteristics of porous electrodes are delineated, which contribute to the proposed solution at low temperatures. This approach is most conducive to high-energy-density Li-ion cells and devoid of extrinsic overheads.
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