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RD OF HIGH ENERGY DENSITY Ll-S RECHARGEABLE BATTERIES

机译:高能量密度l-s可充电电池的研发

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摘要

The limited specific energy density (usually less than 150 Wh kg-1) of the commercial lithium ion batteries which is restricted by the intercalation cathode materials with standard specific capacities of 110 ~ 170 mAh g-1, is a bottleneck for the development of advanced electric vehicles (Evs). Therefore, it is urgent to explore the higher specific capacity cathode materials and the novel rechargeable battery systems. Sulfur is an attractive cathode material for rechargeable batteries due to the high theoretical specific capacity of 1675 mAh g-1 and a high theoretical energy density of 2600 Wh kg-1 for Li-S system [1]. Besides, it is natural abundance, low cost, and environmental benignancy.
机译:商业锂离子电池的有限比能密度(通常小于150 Wh kg-1)受到标准比容量为110〜170 mAh g-1的插层正极材料的限制,这是高级电池发展的瓶颈。电动汽车(Evs)。因此,迫切需要探索更高比容量的正极材料和新颖的可再充电电池系统。硫是可再充电电池的一种有吸引力的正极材料,因为Li-S系统具有1675 mAh g-1的高理论比容量和2600 Wh kg-1的高理论能量密度[1]。此外,它是自然丰富,低成本和环境友好的产品。

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