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首页> 外文期刊>Chemistry: A European journal >Li+/Mg2+ Hybrid-Ion Batteries with Long Cycle Life and High Rate Capability Employing MoS2 Nano Flowers as the Cathode Material
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Li+/Mg2+ Hybrid-Ion Batteries with Long Cycle Life and High Rate Capability Employing MoS2 Nano Flowers as the Cathode Material

机译：以MoS2纳米花为正极材料的长寿命高倍率Li + / Mg2 +混合离子电池

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摘要

The demand for large-scale and safe energy storage is increasing rapidly due to the strong push for smartphones and electric vehicles. As a result, Li+/Mg2+ hybrid-ion batteries (LMIBs) combining a dendrite-free deposition of Mg anode and Li+ intercalation cathode have attracted considerable attention. Here, a LMIB with hydrothermal-prepared MoS2 nano flowers as cathode material was prepared. The battery showed remarkable electrochemical properties with a large discharge capacity (243 mAhg(-1) at the 0.1 C rate), excellent rate capability (108 mAhg(-1) at the 5 C rate), and long cycle life (87.2% capacity retention after 2300 cycles). Electrochemical analysis showed that the reactions occurring in the battery cell involved Mg stripping/plating at the anode side and Li+ intercalation at the cathode side with a small contribution from Mg2+ adsorption. The excellent electrochemical performance and extremely safe cell system show promise for its use in practical applications.
机译：由于智能手机和电动汽车的强劲推动，对大规模和安全储能的需求正在迅速增长。结果，结合了无枝晶沉积的Mg阳极和Li +嵌入阴极的Li + / Mg2 +混合离子电池（LMIBs）引起了极大的关注。在此，制备了以水热制备的MoS 2纳米花作为阴极材料的LMIB。该电池具有出色的电化学性能，具有大放电容量（0.1 C速率下为243 mAhg（-1）），出色的速率容量（5 C速率下为108 mAhg（-1））和长循环寿命（容量为87.2％） 2300次循环后保留）。电化学分析表明，发生在电池单元中的反应涉及阳极侧的Mg剥离/镀覆和阴极侧的Li +插层，而Mg2 +的吸附贡献很小。出色的电化学性能和极其安全的电池系统显示出其在实际应用中的应用前景。

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