One-pot hydrothermal preparation of hierarchical manganese oxide nanorods for high-performance symmetric supercapacitors

作     者：Bidhan Pandit Emad S.Goda Mahmoud H.Abu Elella Aafaq ur Rehman Sang Eun Hong Sachin R.Rondiya Pranay Barkataki Shoyebmohamad F.Shaikh Abdullah M.Al-Enizi Salah MEl-Bahy Kuk Ro Yoon Bidhan Pandit;Emad S.Goda;Mahmoud H.Abu Elella;Aafaq ur Rehman;Sang Eun Hong;Sachin R.Rondiya;Pranay Barkataki;Shoyebmohamad F.Shaikh;Abdullah M.Al-Enizi;Salah M.El-Bahy;Kuk Ro Yoon

作者机构：Department of Materials Science and Engineering and Chemical EngineeringUniversidad Carlos III de MadridAvenida de la Universidad 3028911 LeganésMadridSpain Organic Nanomaterials LabDepartment of ChemistryHannam UniversityDaejeon 34054Republic of Korea Fire Protection LaboratoryNational Institute of Standards136Giza 12211Egypt Chemistry DepartmentFaculty of ScienceCairo UniversityGiza 12613Egypt Graduate School of Energy Science and TechnologyChungnam National University99 Daehak-roYuseong-guDaejeon 34134Republic of Korea School of ChemistryCardiff UniversityMain BuildingPark PlaceCardiffCF103AT WalesUnited Kingdom Department of PhysicsVisvesvaraya National Institute of TechnologySouth Ambazari RoadNagpur-440010MaharashtraIndia Department of ChemistryCollege of ScienceKing Saud UniversityP.O.Box 2455Riyadh 11451Saudi Arabia Department of ChemistryTurabah University CollegeTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia 

出 版 物：《Journal of Energy Chemistry》 (能源化学（英文版）)

年 卷 期：2022年第31卷第2期

页      面：116-126页

核心收录：

学科分类：081702[工学-化学工艺] 080801[工学-电机与电器] 0808[工学-电气工程] 07[理学] 070205[理学-凝聚态物理] 08[工学] 0817[工学-化学工程与技术] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：the CONEX-Plus programme funded by Universidad Carlos III de Madrid(UC3M) the European Commission through the Marie-Sklodowska Curie COFUND Action(Grant Agreement No 801538) supported by the National Research Foundation of Korea Grant funded by the Korean Government(NRF-2019R1l1A3A0106383312) Supporting Project(RSP2021/55),King Saud University,Riyadh,Saudi Arabia,for financial support financial support from Taif University Researchers Supporting Project number(TURSP2020/135),Taif University,Taif,Saudi Arabia 

主　　题：α-MnO_(2)nanorods Rietveld refinement Symmetrical supercapacitors High energy density 

摘      要：An eco-friendly,new,and controllable approach for the preparation of manganese oxide(a-MnO_(2))nanorods has been introduced using hydrothermal reaction for supercapacitor *** in-depth crystal structure analysis ofα-MnO_(2) is analyzed by X-ray Rietveld refinement by using Full Prof program with the help of pseudo-Voigt profile *** developed a-MnO_(2) electrode attains a remarkable capacitance of 577.7 F/g recorded at a current density value of 1 A/g with an excellent cycle life when is used for 10,000 repeated cycles due to the porous nanorod-morphology assisting the ease penetration of electrolyte ions into the electroactive *** diffusive and capacitive contributions of the electrode have been estimated by considering standard numerical packages in *** successfully assembling the aqueous symmetric supercapacitor(SSC)cell by utilizing the as-preparedα-MnO_(2),an excellent capacitance of 163.5 F/g and energy density of 58.1 Wh/kg at the constant current density of 0.5 A/g are obtained with an expanded potential frame of 1.6 ***,the cell has exceptionally withstood up to 10,000 cycles with an ultimate capacitance retention of 94.1%including the ability to light an LED for 18 *** findings recommend the developed a-MnO_(2) electrode to be a highly felicitous electrode for the field of energy storage.