{"title":"NiCo2S4/MoS2 Composites for High-Performance Hybrid Supercapacitors","authors":"Jingyu Tian, Weili Qu, Rui Guo, Jing Liang and Xiaofeng Li*, ","doi":"10.1021/acsaem.4c0196710.1021/acsaem.4c01967","DOIUrl":null,"url":null,"abstract":"<p >Supercapacitors, as a novel energy storage technology, possess an excellent power density compared to batteries but a much lower energy density overall. Because of their special physicochemical characteristics, transition metal sulfides are thought to be viable options for electrode materials in electrochemical capacitors. Herein, we report NiCo<sub>2</sub>S<sub>4</sub>/MoS<sub>2</sub> micrometer flower arrays by a hydrothermal route. The samples used as cathodes exhibit a capacitance of 2110 F g<sup>–1</sup> when a current density of 1 A g<sup>–1</sup> is applied. The assembled NiCo<sub>2</sub>S<sub>4</sub>/MoS<sub>2</sub>//AC presents an energy density of 67.275 Wh kg<sup>–1</sup> at a power density reaching 2721.23 W kg<sup>–1</sup>. These devices still work stably even after folding various angles, demonstrating their wide applications in future wearable and portable devices.</p>","PeriodicalId":4,"journal":{"name":"ACS Applied Energy Materials","volume":"7 23","pages":"10998–11004 10998–11004"},"PeriodicalIF":5.4000,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Applied Energy Materials","FirstCategoryId":"88","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acsaem.4c01967","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Supercapacitors, as a novel energy storage technology, possess an excellent power density compared to batteries but a much lower energy density overall. Because of their special physicochemical characteristics, transition metal sulfides are thought to be viable options for electrode materials in electrochemical capacitors. Herein, we report NiCo2S4/MoS2 micrometer flower arrays by a hydrothermal route. The samples used as cathodes exhibit a capacitance of 2110 F g–1 when a current density of 1 A g–1 is applied. The assembled NiCo2S4/MoS2//AC presents an energy density of 67.275 Wh kg–1 at a power density reaching 2721.23 W kg–1. These devices still work stably even after folding various angles, demonstrating their wide applications in future wearable and portable devices.
期刊介绍：
ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.
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