Amorphous V2O5 Electrochromic Film

Five colors, 1000 cycles

In ZnSO4-KCl aqueous electrolyte, this amorphous V2O5 film overcomes dissolution-induced poor cycling stability, enabling high capacity and reversible five-color switching for aqueous electrochromic energy storage devices.

Jingbo, Weng · Jingzheng, Li · Anyue, Du · Wang, Junyi · Dongsheng, Zhuang · Zhixuan, Zhang · Mingkai, Zhang · Tong, Gao · Xie, An · Cheng, Wei

Chemical Engineering Journal 2026

Specifications

面积比容量

{'zh': '400.1', 'en': ''} mAh m⁻²

最大光学调制幅度

{'zh': '45.5', 'en': ''} %

电致变色循环稳定性

{'zh': '1000', 'en': ''} 次

Advantages

Up to five distinct colors