Dual-Function Self-Powered Electrochromic Batteries with Energy Storage and Display Enabled by Potential Difference

被引:30
作者
Ma, Qian [1 ,2 ]
Chen, Jinxing [1 ,2 ]
Zhang, Hui [1 ]
Su, Yuwei [1 ,2 ]
Jiang, Yujia [3 ]
Dong, Shaojun [1 ,2 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China
[2] Univ Sci & Technol China, Hefei 230026, Peoples R China
[3] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China
来源
ACS ENERGY LETTERS | 2022年 / 8卷 / 01期
基金
中国国家自然科学基金;
关键词
SMART WINDOWS; DEVICES; MNO2;
D O I
10.1021/acsenergylett.2c02346
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
With the increasing awareness of energy savings, electrochromic smart windows with energy storage and display have attracted extensive attention. Herein, a self-powered electro-chromic system (Mg PB MnO2) is initially proposed, which integrates high electrochromic performance with energy storage performance. The self-charging/discharging processes accompanied by self-coloring/bleaching processes are based on the potential difference between the electrochromic electrode and the other opposite electrodes, such as Mg or MnO2. The bleaching process is achieved by connecting the Prussian blue (PB) electrode with the Mg electrode, which releases energy. The coloring process is realized by connecting the PW electrode with the MnO2 electrode, which corresponds to the process of energy storage. In addition, the MnO2 electrode is recyclable. Due to the high potential difference between Mg and MnO2 electrodes, the system is universal and can be used for reversible cycling of various electrochromic materials, such as polyaniline (PANI) and tungsten oxide (WO3).
引用
收藏
页码:306 / 313
页数:8
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