灵活性(工程)
数码产品
能量密度
可穿戴技术
可穿戴计算机
柔性电子器件
储能
功率密度
电池(电)
材料科学
纳米技术
计算机科学
工程物理
功率(物理)
嵌入式系统
电气工程
工程类
物理
统计
量子力学
数学
作者
Jian Chang,Qiyao Huang,Yuan Gao,Zijian Zheng
标识
DOI:10.1002/adma.202004419
摘要
Abstract Flexible lithium‐based batteries (FLBs) enable the seamless implementation of power supply to flexible and wearable electronics. They not only enhance the energy capacity by fully utilizing the available space but also revolutionize the form factors of future device design. To date, how to simultaneously acquire high energy density and excellent mechanical flexibility is the major challenge of FLBs. Here, a critical discussion for guiding the future development of FLBs toward high energy density and high flexibility is presented. First, the industrial criteria of FLBs for several desirable applications of flexible and wearable electronics are summarized. Then, strategies to achieve flexibility of FLBs are discussed, with highlights of representative examples. The performance of FLBs is benchmarked with a flexible battery plot. New materials and cell design principles are analyzed to realize high‐energy‐density and high‐flexibility FLBs. Other important aspects of FLBs including materials to improve the cycling stability and safety are also discussed.
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