A high-energy sulfur cathode in carbonate electrolyte by eliminating polysulfides via solid-phase lithium-sulfur transformation

oleh: Xia Li, Mohammad Banis, Andrew Lushington, Xiaofei Yang, Qian Sun, Yang Zhao, Changqi Liu, Qizheng Li, Biqiong Wang, Wei Xiao, Changhong Wang, Minsi Li, Jianwen Liang, Ruying Li, Yongfeng Hu, Lyudmila Goncharova, Huamin Zhang, Tsun-Kong Sham, Xueliang Sun

Format: Article
Diterbitkan: Nature Portfolio 2018-10-01

Deskripsi

Carbonate-based electrolytes can impart advantages in lithium sulfur batteries, but performance is often limited by incompatibility with sulfur-based cathodes. Here the authors elucidate a mechanism for conversion of sulfur to lithium sulfide and demonstrate improved performance in a Li-S cell.