The electrocatalytic activity of BaTiO 3 nanoparticles towards polysulfides enables high-performance lithium?sulfur batteriesGao, Hongcheng; Ning, Shunlian; Zou, Jiasui; Men, Shuang; Zhou, Yuan; Wang, Xiujun; Kang, Xiongwu*Science Citation Index Expanded-摘要-关键词LI-S SULFUR CATHODES SURFACE REDOX TRANSFORMATION ABSORPTION CAPACITY KINETICS