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Abstract Riding on the rapid growth in electric vehicles and the stationary energy storage market, high‐energy‐density lithium‐ion batteries and next‐generation rechargeable batteries (i.e., advanced batteries) have been long‐accepted as essential building blocks for future technology reaching the specific energy density of 400 Wh kg −1 at the cell‐level. Such progress, mainly driven by the emerging electrode materials or electrolytes, necessitates the development of polymeric materials with advanced functionalities in the battery to address new challenges. Therefore, it is urgently required to understand the basic chemistry and essential research directions in polymeric materials and establish a library for the polymeric materials that enables the development of advanced batteries. Herein, based on indispensable polymeric materials in advanced high‐energy‐density lithium‐ion, lithium–sulfur, lithium‐metal, and dual‐ion battery chemistry, the key research directions of polymeric materials for achieving high‐energy‐density and safety are summarized and design strategies for further improving performance are examined. Furthermore, the challenges of polymeric materials for advanced battery technologies are discussed.
Kang et al. (Thu,) studied this question.