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Metallic 1T-WS2 nanoribbons as highly conductive electrodes for supercapacitors

机译：金属1T-WS2纳米纳米作为超级电容器的高导电电极

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Layered tungsten disulfide (WS _(2) ) has attracted great attention because of its high potential for electrochemical energy applications. However, the semiconducting nature of WS _(2) with a 2H phase largely hinders its electrochemical performance due to poor electronic conductivity. In this study, we have successfully synthesized a metallic 1T-WS _(2) nanoribbon with stable ammonia-ion intercalation as a highly conductive electrode for high-performance supercapacitors. The specific capacitance using the metallic 1T-WS _(2) electrode exhibits significant enhancement upto the value of 2813 μF cm ~(?2) . This value is 12 times higher compared to semiconducting 2H-WS _(2) . Moreover, the 1T-WS _(2) electrode has good stability even under high current scans, which is ascribed to the stable ammonia-ion interaction. The correlation between the 1T-WS _(2) structure and its electrochemical performance has also been discussed.
机译：分层钨二硫化物（WS _（2））由于其电化学能源应用的高潜力引起了极大的关注。然而，具有2h相的WS _（2）的半导体性质在很大程度上阻碍了由于电子电导率差的电化学性能。在该研究中，我们已经成功地合成了金属1T-WS _（2）纳米纳米带，其具有稳定的氨离子嵌入作为高性能超级电容器的高导电电极。使用金属1T-WS_（2）电极的特定电容表现出显着的增强，达到2813μFcm〜（？2）的值。与半导体2H-WS _（2）相比，该值比较高12倍。此外，即使在高电流扫描下，1T-WS _（2）电极具有良好的稳定性，其归因于稳定的氨离子相互作用。还讨论了1T-WS _（2）结构与其电化学性能之间的相关性。

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