二維多孔碳納米材料提升鋰硫電池能量密度
發(fā)布時間:2018-12-09 21:10
【摘要】:正具有高理論能量密度、低成本和環(huán)境友好等優(yōu)點的鋰硫(Li-S)電池被視為極具開發(fā)潛力的下一代二次電池系統(tǒng)~([1]).近年來,利用碳/硫復合物作為電池正極材料顯著提升了Li-S電池的容量和循環(huán)壽命.為進一步推動Li-S電池的實用化,研究者們致力于設計高硫負載正極以提升Li-S電池的能量密度~([2]).但現(xiàn)有的高硫負載正極仍面臨著兩個亟待解決的問題:1)倍率和
[Abstract]:Lithium-sulfur (Li-S) batteries, which have the advantages of high theoretical energy density, low cost and environmental friendliness, are regarded as the next generation secondary battery systems with great potential for development. In recent years, the use of carbon / sulfur complexes as cathode materials has significantly improved the capacity and cycle life of Li-S batteries. To further promote the practicality of Li-S cells, researchers have been working on designing high sulfur loaded positive electrodes to increase the energy density of Li-S cells. However, the existing positive poles of high sulfur load still face two urgent problems: 1) ratio and
【分類號】:TM912
本文編號:2370038
[Abstract]:Lithium-sulfur (Li-S) batteries, which have the advantages of high theoretical energy density, low cost and environmental friendliness, are regarded as the next generation secondary battery systems with great potential for development. In recent years, the use of carbon / sulfur complexes as cathode materials has significantly improved the capacity and cycle life of Li-S batteries. To further promote the practicality of Li-S cells, researchers have been working on designing high sulfur loaded positive electrodes to increase the energy density of Li-S cells. However, the existing positive poles of high sulfur load still face two urgent problems: 1) ratio and
【分類號】:TM912
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