An Omni-healable and Tailorable Aqueous Lithium-Ion Battery
CHEMELECTROCHEM(2018)
摘要
Reliability and safety are critical issues for portable power sources aiming for next-generation electronics. However, most lithium-ion batteries (LIBs) will fail to work or will cause safety problems after physical damage or violent deformation. Here, an omni-healable aqueous LIB, which can self-repair its electrodes and electrolyte simultaneously after mechanical breakage, is fabricated by integrating all of the electroactive components into polymer networks cross-linked by dynamic borate ester bonding. Once suffering from repeated cutoffs, the battery quickly recovers its configuration integrity as well as mechanical and electrochemical properties autonomously without external stimuli. Furthermore, the battery can also be tailored into complicated patterns while maintaining its lithium-storage properties. The present investigation offers a strategy to design a smart and sustainable energy-storage device that has potential applications in wearable/flexible electronics, flexible robot or intelligent apparel, and so on.
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关键词
self-healing,tailored,aqueous lithium-ion batteries,polymeric network,dynamic borate ester bonding
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