journal article·2023-06-11Open access

Effect of intercalated molybdenum atoms on structure and electrochemical properties of Mo1+x S2 synthesized by hydrothermal method

Zhenggang Jia, Congyan Bai, Xuexi Zhang, Mingfang Qian, Hsu-Sheng Tsai, Yueping Xiong

Nanotechnology· Volume 34· Issue 24

Abstract

Abstract As an alternative anode to graphene, molybdenum disulfide (MoS2) has attracted much attention due to its layered structure and high specific capacity. Moreover, MoS2 can be synthesized by hydrothermal method with low cost and the size of its layer spacing can be controlled. In this work, the results of experiment and calculation proved that the presence of intercalated Mo atoms, leading to the expansion of MoS2 layer spacing and weakening of Mo–S bonding. For the electrochemical properties, the presence of intercalated Mo atoms causes the lower reduction potentials for the Li+ intercalation and Li2S formation. In addition, the effective reduction of diffusion resistance and charge transfer resistance in Mo1+x S2 leads to the acquisition of high specific capacity for battery applications.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · MXene and MAX Phase Materials

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