材料科学
异质结
化学工程
碳纤维
电导率
阴极
基质(水族馆)
相(物质)
热液循环
电极
复合数
离子键合
离子电导率
离子
复合材料
光电子学
物理化学
有机化学
化学
地质学
工程类
海洋学
电解质
作者
Wenjing Tang,Pengfei Cao,Haixin Li,Tao Li,Yafeng Xia,Yi Chen,Yuejun Liu,Aokui Sun
标识
DOI:10.1016/j.ceramint.2022.07.001
摘要
Suffered from inherent low ionic/electronic conductivity of semiconductor 2H phase, the performance of pristine MoS2 cathode for aqueous Zn-ion batteries has always been disappointing. Here, we fabricated a MoS2–MoO2 heterostructure with petal-like three-dimensional nanoarrays in situ grown on carbon cloth (MoS2–MoO2@CC) by seed-assisted hydrothermal method. The metallic phase MoO2 cooperates with the carbon cloth substrate to boost the ionic/electronic conductivity of the composite material, while the presence of the heterogeneous structure accelerates the electron conductivity at the interface and promotes fast reaction kinetics. The synthesized MoS2–MoO2@CC electrode exhibits a high discharge capacity of 259.6 mAh g−1 at 0.1 A g−1 and maintains a stable discharge capacity of 122.6 mAh g−1 at 2.0 A g−1 after 1000 cycles, reflecting outstanding cycling stability.
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