Junaid Riaz , Jianchun Cao , Amina Bibi , Muhammad Arif , Dost Muhammad
{"title":"水热合成球状 ZnS 纳米球装饰海胆状 W18O49 纳米球作为高功率和稳定混合超级电容器的电极","authors":"Junaid Riaz , Jianchun Cao , Amina Bibi , Muhammad Arif , Dost Muhammad","doi":"10.1016/j.matlet.2024.136853","DOIUrl":null,"url":null,"abstract":"<div><p>Herein, the electrochemical performance of Urchin-like W<sub>18</sub>O<sub>49</sub> nanospheres and ball-like ZnS nanospheres were synthesized by the hydrothermal route and compared with the composite of W<sub>18</sub>O<sub>49</sub>-ZnS performance. XRD, FESEM, and EDX analysis investigated the crystal structure and morphology. The electrochemical performance of W<sub>18</sub>O<sub>49</sub>, ZnS and W<sub>18</sub>O<sub>49</sub>-ZnS composite electrodes was examined by using 3 M KOH aqueous solution. The composite provides a high specific capacitance of 517 F/g at 1 A/g. Furthermore, we constructed asymmetric supercapacitor W<sub>18</sub>O<sub>49</sub>-ZnS||MnO<sub>2</sub>-KOH, which provide the good energy and power density of 32.61 Wh/kg and 9610 W/kg respectively, maintaining excellent stability around 10,000 cycles with 98.1 % capacity retention at 12 A/g with Coulombic efficiency of 81.3 %, that make W<sub>18</sub>O<sub>49</sub>-ZnS composite promising electrode material for supercapacitor applications.</p></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":null,"pages":null},"PeriodicalIF":2.7000,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Hydrothermal synthesis of ball-like ZnS nanospheres decorated urchin-like W18O49 nanospheres as electrode for high power and stable hybrid supercapacitor\",\"authors\":\"Junaid Riaz , Jianchun Cao , Amina Bibi , Muhammad Arif , Dost Muhammad\",\"doi\":\"10.1016/j.matlet.2024.136853\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Herein, the electrochemical performance of Urchin-like W<sub>18</sub>O<sub>49</sub> nanospheres and ball-like ZnS nanospheres were synthesized by the hydrothermal route and compared with the composite of W<sub>18</sub>O<sub>49</sub>-ZnS performance. XRD, FESEM, and EDX analysis investigated the crystal structure and morphology. The electrochemical performance of W<sub>18</sub>O<sub>49</sub>, ZnS and W<sub>18</sub>O<sub>49</sub>-ZnS composite electrodes was examined by using 3 M KOH aqueous solution. The composite provides a high specific capacitance of 517 F/g at 1 A/g. Furthermore, we constructed asymmetric supercapacitor W<sub>18</sub>O<sub>49</sub>-ZnS||MnO<sub>2</sub>-KOH, which provide the good energy and power density of 32.61 Wh/kg and 9610 W/kg respectively, maintaining excellent stability around 10,000 cycles with 98.1 % capacity retention at 12 A/g with Coulombic efficiency of 81.3 %, that make W<sub>18</sub>O<sub>49</sub>-ZnS composite promising electrode material for supercapacitor applications.</p></div>\",\"PeriodicalId\":384,\"journal\":{\"name\":\"Materials Letters\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.7000,\"publicationDate\":\"2024-06-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials Letters\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0167577X24009923\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Letters","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0167577X24009923","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Hydrothermal synthesis of ball-like ZnS nanospheres decorated urchin-like W18O49 nanospheres as electrode for high power and stable hybrid supercapacitor
Herein, the electrochemical performance of Urchin-like W18O49 nanospheres and ball-like ZnS nanospheres were synthesized by the hydrothermal route and compared with the composite of W18O49-ZnS performance. XRD, FESEM, and EDX analysis investigated the crystal structure and morphology. The electrochemical performance of W18O49, ZnS and W18O49-ZnS composite electrodes was examined by using 3 M KOH aqueous solution. The composite provides a high specific capacitance of 517 F/g at 1 A/g. Furthermore, we constructed asymmetric supercapacitor W18O49-ZnS||MnO2-KOH, which provide the good energy and power density of 32.61 Wh/kg and 9610 W/kg respectively, maintaining excellent stability around 10,000 cycles with 98.1 % capacity retention at 12 A/g with Coulombic efficiency of 81.3 %, that make W18O49-ZnS composite promising electrode material for supercapacitor applications.
期刊介绍:
Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review.
Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials.
Contributions include, but are not limited to, a variety of topics such as:
• Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors
• Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart
• Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction
• Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots.
• Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing.
• Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic
• Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive