论文部分内容阅读
Element sulfur is highly attractive due to their potentially low cost and environmental compatibility.However,polysulfides dissolution hinders the lithiumsulfur (Li-S) batteries toward commercialization.To overcome these issues,in this work,lithium cobaltate as a commercial material,for the first time,was devoted to engineering the electrode structure and composition to improve the performance.When incorporated with 80% sulfur powder,the synergetic effects of cobalt atoms and interlayer spaces effectively enable the production of Li-S batteries with a relatively high discharge capacity of 1420 mAh.g-1 at the low surface current density of 1 mA·cm-2 and stable capacity retention of 650 mAh.g-1 at high surface current density of 6 mA.cm-2.The introduction of lithium cobaltate is a viable approach for successfully developing practical Li-S batteries.