Journal
MACROMOLECULAR MATERIALS AND ENGINEERING
Volume 303, Issue 11, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.201800337
Keywords
high energy density; polymer-based lithium batteries; polymer electrolytes; rigid-flexible coupling
Funding
- Think-Tank Mutual Fund of Qingdao Energy Storage Industry Scientific Research, National Natural Science Foundation for Distinguished Young Scholars of China [51625204]
- Key Scientific and Technological Innovation Project of Shandong [2017CXZC0505]
- National Natural Science Foundation of China [51703236]
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Polymer electrolytes have aroused wide interest in lithium batteries, but their comprehensive performances (including ionic conductivity, electrochemical window, and mechanical strength) need to be enhanced for high-energy lithium batteries. A rigid-flexible coupling strategy is proposed to enhance the comprehensive performances of polymer electrolytes. To date, rigid-flexible coupling has been widely applied in gel and solid polymer electrolytes. For many kinds of polymer electrolytes, their ionic conductivity, electrochemical window, interfacial stability, and mechanical properties are significantly improved by rigid-flexible coupling, breaking their inherent application barriers in high-energy lithium battery. Herein, recent key progress in rigid-flexible coupling polymer electrolytes is reviewed in terms of their design concepts, chemical-physical properties, electrochemical performances, and battery properties. This overview also conducts a perspective for rigid-flexible coupling polymer electrolytes. It is hoped that fresh and established researchers can obtain a clear perspective of rigid-flexible coupling and this mini review can also throw light on the exploration of high-energy polymer lithium batteries.
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