Sulfolane-Based Flame-Retardant Electrolyte

Stable Cycling at High Voltage

Utilizes highly oxidation-resistant sulfolane to form a dense, uniform CEI, enhancing high-voltage cycling stability of sodium-ion batteries.

Xuanlong, He · Jie, Peng · Lin, Qingyun · Meng, Li · Weibin, Chen · Pei, Liu · Tao, Huang · Huang, Zhencheng · Yuying, Liu · Deng, Jiaojiao · Ye, Shenghua · Yang, Xuming · Ren, Xiangzhong · Ouyang, Xiaoping · Liu, Jianhong · Xiao, Biwei · Hu, Jiangtao · Zhang, Qianling

Nano-Micro Letters 2025

Specifications

充电截止电压

{'zh': '4.2', 'en': ''} V

Advantages

Capacity retention of 79.48% after 300 cycles at 1 C

Capacity retention of 81.15% after 400 cycles at 2 C

Nonflammable