High energy density supercapacitors: electrode material,electrolyte and energy density limitation principle
ZHENG Jun-sheng1,2, QIN Nan1,2, GUO Xin1,2, JIN Li-ming1,2, P Zheng2,3
1. Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804, China;
2. School of Automotive Studies, Tongji University, Shanghai 201804, China;
3. Florida State University, Florida 32310, USA
Abstract：Supercapacitors are power-type energy storage devices with high power density and long cycle life. However, the low energy density limits wider applications. In this paper, the working principle of supercapacitors was first introduced, and the characteristics of electrode materials needed and current progress were summarized. Then, the characteristics and related progress of aqueous, organic and ionic liquid electrolytes were introduced. Finally, the principle and the factors of energy density limitation of supercapacitors were pointed out, and the improvement methods were discussed from the aspects of electrode materials, electrolytes and the structure of supercapacitors, respectively.
郑俊生, 秦楠, 郭鑫, 金黎明, Zheng Jim P. 高比能超级电容器:电极材料、电解质和能量密度限制原理[J]. 材料工程, 2020, 48(9): 47-58.
ZHENG Jun-sheng, QIN Nan, GUO Xin, JIN Li-ming, P Zheng. High energy density supercapacitors: electrode material,electrolyte and energy density limitation principle. Journal of Materials Engineering, 2020, 48(9): 47-58.
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2020, Vol. 48 
