自支撑SnSe2/碳布柔性负极材料应用于钠离子电池
Journal of Science of Teachers' College and University(2023)
Abstract
锡基硒化物具有理论比容量高、导电性优异、成本低等优点,在电化学储能领域具有较好的应用前景.但其循环稳定性低及倍率性能差仍限制其进一步商业化应用.针对这些问题,采用简单的水热-硒化法制备SnSe2/碳布柔性负极材料,并对其进行了钠离子电池性能的测试.结果表明,制备的电极材料在电流密度为 0.1 A·g-1 下,经过 100 圈充放电循环后,放电容量为 541.0 mAh·g-1,且在不同电流密度充放电循环之后可逆比容量仍可高达503.9 mAh·g-1.
MoreKey words
SnSe2,carbon cloth,anode material,Na-ion batteries
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