Advances in Li-S batteries
Advances in Li-S batteries
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DOI：
10.1039/b925751a
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发表时间：
2010-01-01
影响因子：
--
通讯作者：
Nazar, Linda F.
中科院分区：
文献类型：
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作者：
Ji, Xiulei;Nazar, Linda F.
可再充电Li-S电池由于其高的理论比能量密度（比基于嵌入反应的Li离子电池高3至5倍）而近来受到越来越多的关注。Li-S电池可以代表下一代能量存储系统，特别是对于大规模应用。实现这种高能量密度的障碍主要包括高内阻、自放电和循环时的快速容量衰减。通过设计具有“智能”纳米结构的新型硫电极，可以在很大程度上满足这些挑战。本亮点概述了基于这一概念的正极的主要发展。
Rechargeable Li-S batteries have received ever-increasing attention recently due to their high theoretical specific energy density, which is 3 to 5 times higher than that of Li ion batteries based on intercalation reactions. Li-S batteries may represent a next-generation energy storage system, particularly for large scale applications. The obstacles to realize this high energy density mainly include high internal resistance, self-discharge and rapid capacity fading on cycling. These challenges can be met to a large degree by designing novel sulfur electrodes with "smart'' nanostructures. This highlight provides an overview of major developments of positive electrodes based on this concept.