Sn-interspersed MoS2/C nanosheets with high capacity for Na+/K+ storage

Sn-interspersed MoS2/C nanosheets with high capacity for Na+/K+ storage
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具有高容量Na/K存储能力的Sn散布MoS2/C纳米片

DOI:
10.1016/j.jpcs.2018.10.029
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发表时间:
2019-03
影响因子:
4
通讯作者:
Zhang Ming
Zhang Ming
中科院分区:
材料科学3区
文献类型:
--
作者:
Yin Dangui;Chen Zhi;Zhang Ming

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采用两步水热法制备了锡分散的MoS2/C(SnSingle BondMoS2/C)纳米薄片。为了提高MoS_2/C纳米片的电化学性能,设计了用锡对其进行修饰的方法。当用作钠离子电池的负极时,电极的初始容量为536 mA h g−1,循环90次后容量保持为431 mA h g−1。在钾离子电池中,该电极在0.1 A g−1时的放电容量为290 mA h g−1,在0.8 A g−1下的高倍率容量为123 mA g−1。因此,SnSingle BondMoS 2/C纳米片在新型充电电池中具有潜在的应用前景。
Sn-interspersed MoS2/C (Snsingle bondMoS2/C) nanosheets were prepared via a two-step hydrothermal method. The modification of the MoS2/C nanosheets using Sn was designed to improve their electrochemical performance. When used as anodes for sodium ion batteries (SIBs), the electrodes exhibited an initial capacity of 536 mA h g−1and maintained a capacity of 431 mA h g−1after 90 cycles at 0.1 A g−1. In potassium ion batteries (KIBs), the electrodes also delivered a discharge capacity of 290 mA h g−1at 0.1 A g−1and a high rate capacity of 123 mA h g−1at 0.8 A g−1. Thus, Snsingle bondMoS2/C nanosheets have potential applications in novel rechargeable batteries.
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