Sohail Mumtaz , Muhammad Azhar Mumtaz , Abhinav Kumar , Z. Chine , A.M. Afzal , M.A. Diab , Heba A. El-Sabban
{"title":"3D-ZnTb₂O₄@1D-CNT@2D-rGO的协同集成:用于高效能源和HER催化应用的碳纸上的多维杂化电极","authors":"Sohail Mumtaz , Muhammad Azhar Mumtaz , Abhinav Kumar , Z. Chine , A.M. Afzal , M.A. Diab , Heba A. El-Sabban","doi":"10.1016/j.diamond.2025.112784","DOIUrl":null,"url":null,"abstract":"<div><div>The enormous demand for energy in the current era has sparked significant interest in asymmetric hybrid devices (AHDs) owing to the characteristics of the battery and supercapacitor. Here, a composite of zinc terbium oxide (ZnTb<sub>2</sub>O<sub>4</sub>), multi-walled carbon nanotubes (MWCNTs), and reduced graphene oxide (rGO), is synthesized utilizing a hydrothermal process. The material demonstrated its battery-grade nature and excellent performance with a specific capacity (Q<sub>s</sub>) of 1388.6C/g. A hybrid device (ZnTb<sub>2</sub>O<sub>4</sub>@rGO@CNT//AC) showed a maximum Q<sub>s</sub> of 201.7C/g because of the synergistic effect. The asymmetric hybrid energy storage device revealed a maximum power density (P<sub>d</sub>) of 2695.7 W/kg and energy density (E<sub>d</sub>) of 84.6 Wh/Kg with high capacity retention of 94 % after 10,000 charging and discharging cycles. The ZnTb<sub>2</sub>O<sub>4</sub>@rGO@CNT electrode is utilized in the hydrogen evolution reaction (HER) application. The hybrid electrode showed a better value of overpotential and Tafel slope of 49 mV and 51 mV/dec, respectively. This work introduces a new hybrid material to meet the need for more E<sub>d</sub> and higher P<sub>d</sub> in AHDs, and it can be used as an effective electrocatalyst.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112784"},"PeriodicalIF":5.1000,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Synergistic integration of 3D-ZnTb₂O₄@1D-CNT@2D-rGO: A multi-dimensional hybrid electrode on carbon paper for highly-efficient energy and HER catalysis applications\",\"authors\":\"Sohail Mumtaz , Muhammad Azhar Mumtaz , Abhinav Kumar , Z. Chine , A.M. Afzal , M.A. Diab , Heba A. El-Sabban\",\"doi\":\"10.1016/j.diamond.2025.112784\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The enormous demand for energy in the current era has sparked significant interest in asymmetric hybrid devices (AHDs) owing to the characteristics of the battery and supercapacitor. Here, a composite of zinc terbium oxide (ZnTb<sub>2</sub>O<sub>4</sub>), multi-walled carbon nanotubes (MWCNTs), and reduced graphene oxide (rGO), is synthesized utilizing a hydrothermal process. The material demonstrated its battery-grade nature and excellent performance with a specific capacity (Q<sub>s</sub>) of 1388.6C/g. A hybrid device (ZnTb<sub>2</sub>O<sub>4</sub>@rGO@CNT//AC) showed a maximum Q<sub>s</sub> of 201.7C/g because of the synergistic effect. The asymmetric hybrid energy storage device revealed a maximum power density (P<sub>d</sub>) of 2695.7 W/kg and energy density (E<sub>d</sub>) of 84.6 Wh/Kg with high capacity retention of 94 % after 10,000 charging and discharging cycles. The ZnTb<sub>2</sub>O<sub>4</sub>@rGO@CNT electrode is utilized in the hydrogen evolution reaction (HER) application. The hybrid electrode showed a better value of overpotential and Tafel slope of 49 mV and 51 mV/dec, respectively. This work introduces a new hybrid material to meet the need for more E<sub>d</sub> and higher P<sub>d</sub> in AHDs, and it can be used as an effective electrocatalyst.</div></div>\",\"PeriodicalId\":11266,\"journal\":{\"name\":\"Diamond and Related Materials\",\"volume\":\"159 \",\"pages\":\"Article 112784\"},\"PeriodicalIF\":5.1000,\"publicationDate\":\"2025-08-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Diamond and Related Materials\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0925963525008416\",\"RegionNum\":3,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, COATINGS & FILMS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Diamond and Related Materials","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0925963525008416","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, COATINGS & FILMS","Score":null,"Total":0}
Synergistic integration of 3D-ZnTb₂O₄@1D-CNT@2D-rGO: A multi-dimensional hybrid electrode on carbon paper for highly-efficient energy and HER catalysis applications
The enormous demand for energy in the current era has sparked significant interest in asymmetric hybrid devices (AHDs) owing to the characteristics of the battery and supercapacitor. Here, a composite of zinc terbium oxide (ZnTb2O4), multi-walled carbon nanotubes (MWCNTs), and reduced graphene oxide (rGO), is synthesized utilizing a hydrothermal process. The material demonstrated its battery-grade nature and excellent performance with a specific capacity (Qs) of 1388.6C/g. A hybrid device (ZnTb2O4@rGO@CNT//AC) showed a maximum Qs of 201.7C/g because of the synergistic effect. The asymmetric hybrid energy storage device revealed a maximum power density (Pd) of 2695.7 W/kg and energy density (Ed) of 84.6 Wh/Kg with high capacity retention of 94 % after 10,000 charging and discharging cycles. The ZnTb2O4@rGO@CNT electrode is utilized in the hydrogen evolution reaction (HER) application. The hybrid electrode showed a better value of overpotential and Tafel slope of 49 mV and 51 mV/dec, respectively. This work introduces a new hybrid material to meet the need for more Ed and higher Pd in AHDs, and it can be used as an effective electrocatalyst.
期刊介绍:
DRM is a leading international journal that publishes new fundamental and applied research on all forms of diamond, the integration of diamond with other advanced materials and development of technologies exploiting diamond. The synthesis, characterization and processing of single crystal diamond, polycrystalline films, nanodiamond powders and heterostructures with other advanced materials are encouraged topics for technical and review articles. In addition to diamond, the journal publishes manuscripts on the synthesis, characterization and application of other related materials including diamond-like carbons, carbon nanotubes, graphene, and boron and carbon nitrides. Articles are sought on the chemical functionalization of diamond and related materials as well as their use in electrochemistry, energy storage and conversion, chemical and biological sensing, imaging, thermal management, photonic and quantum applications, electron emission and electronic devices.
The International Conference on Diamond and Carbon Materials has evolved into the largest and most well attended forum in the field of diamond, providing a forum to showcase the latest results in the science and technology of diamond and other carbon materials such as carbon nanotubes, graphene, and diamond-like carbon. Run annually in association with Diamond and Related Materials the conference provides junior and established researchers the opportunity to exchange the latest results ranging from fundamental physical and chemical concepts to applied research focusing on the next generation carbon-based devices.