Research Progresses of Sulfur Cathode Reaction Mechanism in Lithium-sulfur Battery

The cathode electrochemical reaction mechanisms of lithium-sulfur battery are discussed in detail. Research progresses on the electrode reaction process by UV-VIS spectroscopy,HPLC and LC-MS methods were also discussed. The causes which lead to poor cycle reversibility of lithium sulfur batteries were also analyzed. Finally,the commercial application of lithium sulfur batteries was put forward.