期刊
SMALL METHODS
卷 3, 期 11, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smtd.201900323
关键词
durability; lithium ion batteries; safety; smart designs; smart materials
资金
- Ministry of Science and Technology of China [2016YFA0200100, 2016YFB0100100]
- National Natural Science Foundation of China [51525206, 51521091, 51625203]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA22010602]
- CAS/SAFEA International Partnership Program for Creative Research Teams
- Program for Guangdong Innovative and Entrepreneurial Team Program of Government of Guangdong Province [2017ZT07C341]
- Australian Research Council under the Discovery Early Career Researcher Award (DECRA) [DE170100871]
Smart electrochemical energy storage devices are devices that can operate autonomously to some extent. Although the conventional electrochemical energy storage devices, e.g., the commonly used lithium-ion batteries (LIBs), may be externally monitored in terms of their voltage and current output to reflect the state of health for the devices, it is extremely important to exploit materials and devices that are intrinsically smart enough to be capable of rapidly self-detecting and responding to faults, such as interior short circuits, overheating, abnormal capacity drop, and other types of mechanical/chemical damage. These smart features could significantly enhance the safety characteristics and durability of LIBs, which is essential for future usage. Therefore, recent achievements toward smart materials and design strategies for safer and more durable LIBs are summarized. The main categories are as follows: 1) New materials: This category mainly includes smart electrode materials with thermal/electrical/mechanical self-response functions, and self-response separators to suppress thermal runaway/lithium dendrite growth; 2) New chemistries: This category mainly includes electrolytes with reversible self-protecting functions; and 3) New architectures with novel functions, such as shape-recovery, self-heating, and self-monitoring. Besides the working mechanisms, the challenges that must be overcome for smart LIBs to be adopted in practical applications are also discussed.
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