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LITHIUM INSERTION COMPOUNDS FOR ENERGY STORAGE

机译:用于能量存储的锂插入化合物

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摘要

The development of various lithium insertion compounds over the years has made lithium-ion batteries a commercial reality. This chapter provides an overview of the various cathode and anode hosts after providing an introduction to lithium insertion compounds and the principles of lithium-ion cells. Transition metal oxides crystallizing in a rock salt-based layer and the spinel structures and having highly oxidized M~(3+/4+) (M=Mn, Co and Ni) redox couples have emerged as the leading candidates for cathodes while the lightweight carbon has emerged as the leading anode for lithium-ion cells. However, chemical and structural instabilities limit the practical capacities of some of the cathodes while carbon exhibits an irreversible capacity loss. The challenge is to develop high capacity cathode hosts with compatible anodes for the next generation lithium-ion cells.
机译:多年来,各种锂嵌入化合物的发展使锂离子电池成为商业现实。在介绍了锂插入化合物和锂离子电池原理之后,本章概述了各种阴极和阳极主体。在岩盐基层和尖晶石结构中结晶并具有高度氧化的M〜(3 + / 4 +)(M = Mn,Co和Ni)氧化还原对的过渡金属氧化物已成为阴极的主要候选材料,而轻质材料碳已经成为锂离子电池的主要阳极。但是,化学和结构上的不稳定性限制了某些阴极的实际容量,而碳则表现出不可逆的容量损失。挑战在于为下一代锂离子电池开发具有兼容阳极的高容量阴极主体。

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