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Advanced MoS2 and graphene heterostructures as high-performance anode for sodium-ion batteries

机译：高级MOS2和石墨烯异质结构作为钠离子电池的高性能阳极

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Layer-structured MoS2 is a promising anode material for sodium-ion batteries (SIBs) because of its high storage capacity, abundance in nature, and cost-effectiveness. However, the use of MoS2 is limited by its low electronic conductivity, inferior cycling stability, and poor rate capability. To overcome these drawbacks, liquid-phase exfoliated graphene (LEGr) was used as the support, for which MoS2@LEGr heterostructures with a tunable loading amount of MoS2 were fabricated by a microwave-assisted solvothermal method. LEGr with its exceptional atomic structure not only serves as a robust structural support of MoS2 but also provides rapid electrical and ionic transfer pathways of the electrode material. When MoS2@LEGr heterostructures were applied for SIB anodes, the heterostructures exhibited a considerably enhanced sodium storage performance compared to pure MoS2, including higher sodium storage capacity as well as superior cycling stability and rate capability.
机译：层结构MOS2是用于钠离子电池（SIBS）的有前途的阳极材料，因为其高储存能力，性质丰富和成本效益。 然而，MOS2的使用受其低电子电导率，较差的循环稳定性和速率差的限制。 为了克服这些缺点，使用液相剥落的石墨烯（止）作为载体，通过微波辅助的溶剂热法制造具有可调谐装载量的MOS2 @ leg异质结构。 止血不仅用作MOS2的鲁棒结构支撑，而且还提供电极材料的快速电气和离子转移途径。 当对SIB阳极施加MOS2 @ leg异质结构时，与纯MOS2相比，异质结构表现出显着增强的钠储存性能，包括更高的钠储存能力以及优异的循环稳定性和速率能力。

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