High capacity anode materials for rechargeable sodium-ion batteries
High capacity anode materials for rechargeable sodium-ion batteries
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DOI：
10.1149/1.1393348
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发表时间：
2000-04-01
影响因子：
3.9
通讯作者：
Dahn, JR
中科院分区：
文献类型：
--
作者：
Stevens, DA;Dahn, JR
电化学技术已被用于研究在室温下钠到硬碳主体结构中的可逆插入。在本文中，我们比较这些结果与锂插入在相同的材料，并证明存在类似的碱金属，在这两种情况下，铝金属插入机制。尽管钠插入的重量容量低于锂插入的重量容量，但我们已经实现了300 mAh/g的可逆钠容量，接近石墨碳阳极材料中锂插入的可逆钠容量。因此，此类材料可用作可再充电钠离子电池中的阳极。(C)2000年电化学学会。S0013-4651（99）11-034-6。All rights reserved.
Electrochemical techniques have been used to study the reversible insertion of sodium into hard-carbon host structures at room temperature. In this paper we compare these results with those for lithium insertion in the same materials and demonstrate the presence of similar alkali;ali metal insertion mechanisms in both cases. Despite the gravimetric capacities being lower for sodium than lithium insertion, we have achieved a reversible sodium capacity of 300 mAh/g, close to that for lithium insertion in graphitic carbon anode materials. Such materials may therefore be useful as anodes in rechargeable sodium-ion batteries. (C) 2000 The Electrochemical Society. S0013-4651(99)11-034-6. All rights reserved.