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Separator Design for High-Performance Supercapacitors: Requirements, Challenges, Strategies, and Prospects
ACS Energy Letters ( IF 19.3 ) Pub Date : 2022-11-18 , DOI: 10.1021/acsenergylett.2c01853 Jingxue Li 1, 2 , Hui Jia 1 , Shuaishuai Ma 2 , Lijing Xie 1 , Xian-Xian Wei 3 , Liqin Dai 1 , Hongliang Wang 2 , Fangyuan Su 1 , Cheng-Meng Chen 1
ACS Energy Letters ( IF 19.3 ) Pub Date : 2022-11-18 , DOI: 10.1021/acsenergylett.2c01853 Jingxue Li 1, 2 , Hui Jia 1 , Shuaishuai Ma 2 , Lijing Xie 1 , Xian-Xian Wei 3 , Liqin Dai 1 , Hongliang Wang 2 , Fangyuan Su 1 , Cheng-Meng Chen 1
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Supercapacitors have attracted considerable attention as promising power sources for applications that need energy pulses during the short periods of time. The separator is one of the most important parts of a supercapacitor and plays a critical role in avoiding internal electronic short circuits and constructing safe and high-performance supercapacitors. Currently, commercial cellulose-based separators are limited by the low mechanical strength or high self-discharge rate, while commercial polyolefin-based separators suffer from the poor thermal stability. Recently, tremendous efforts have been devoted to developing advanced separators with high performance. To better understand the contributions of the separators on improving the electrochemical performance and safety of supercapacitors, we discussed the fundamental requirements for ideal separators and the effects of raw materials, preparation strategies, and properties of separators on the electrochemical performance of supercapacitors. Outlooks and future directions for the rational design of advanced separators are also provided.
中文翻译：
高性能超级电容器的隔膜设计：要求、挑战、策略和前景
超级电容器作为在短时间内需要能量脉冲的应用的有前途的电源而引起了相当大的关注。隔膜是超级电容器最重要的部件之一，在避免内部电子短路和构建安全、高性能的超级电容器方面起着至关重要的作用。目前，商业化的纤维素基隔膜受限于低机械强度或高自放电率，而商业化的聚烯烃基隔膜则存在热稳定性差的问题。最近，人们付出了巨大的努力来开发高性能的先进分离器。为了更好地了解隔膜对提高超级电容器的电化学性能和安全性的贡献，我们讨论了理想隔膜的基本要求以及原材料、制备策略和隔膜性能对超级电容器电化学性能的影响。还提供了先进分离器合理设计的展望和未来方向。
更新日期：2022-11-18
中文翻译：
高性能超级电容器的隔膜设计：要求、挑战、策略和前景
超级电容器作为在短时间内需要能量脉冲的应用的有前途的电源而引起了相当大的关注。隔膜是超级电容器最重要的部件之一，在避免内部电子短路和构建安全、高性能的超级电容器方面起着至关重要的作用。目前，商业化的纤维素基隔膜受限于低机械强度或高自放电率，而商业化的聚烯烃基隔膜则存在热稳定性差的问题。最近，人们付出了巨大的努力来开发高性能的先进分离器。为了更好地了解隔膜对提高超级电容器的电化学性能和安全性的贡献，我们讨论了理想隔膜的基本要求以及原材料、制备策略和隔膜性能对超级电容器电化学性能的影响。还提供了先进分离器合理设计的展望和未来方向。
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