Nanostructured mixed transition metal oxides for high performance asymmetric supercapacitors: Facile synthetic strategy

被引：122

作者：

Tajik, Sanaz ^{[1
,2
,3
]}

Dubal, Deepak P. ^{[2
,3
,4
]}

Gomez-Romero, Pedro ^{[2
,3
]}

Yadegari, Amir ^{[5
]}

Rashidi, Alimorad ^{[6
]}

Nasernejad, Bahram ^{[1
]}

Inamuddin ^{[7
,8
]}

Asiri, Abdullah M. ^{[7
,8
]}

机构：

[1] Amirkabir Univ Technol, Fac Chem Engn, Hafez Ave,POB 15875-4413, Tehran, Iran

[2] Catalan Inst Nanosci & Nanotechnol ICN2, Campus UAB, Barcelona 08193, Spain

[3] CSIC, Barcelona Inst Sci & Technol, Campus UAB, Barcelona 08193, Spain

[4] Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, Australia

[5] Marquette Univ, Sch Dent, Dept Dev Sci, Milwaukee, WI 53233 USA

[6] RIPI, Nanotechnol Res Ctr, POB 14665-137, Tehran, Iran

[7] King Abdulaziz Univ, Fac Sci, Chem Dept, POB 80203, Jeddah 21589, Saudi Arabia

[8] King Abdulaziz Univ, CEAMR, POB 80203, Jeddah 21589, Saudi Arabia

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 17期

关键词：

Ternary metal oxides; Asymmetric supercapacitor; High energy density; Specific capacitance; REDUCED GRAPHENE OXIDE; HYBRID ENERGY-STORAGE; ELECTRODE MATERIAL; NICKEL COBALTITE; NANOTUBE ARRAYS; HYDROUS RUO2; IONIC LIQUID; CAPACITOR; MICROSPHERES; HYDROXIDES;

D O I：

10.1016/j.ijhydene.2017.03.117

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Exceptionally simple and cost-effective solid-state method is reported for the synthesis of different mixed transition metal oxides (MTMOs).including FeCo2O4, MnCo2O4 and ZnCo2O4 with unique nanostructures. The morphological analysis show that MTMOs possess distinct nanostructures such as tetragonal, spherical nanoparticles and hexagonal nano sheets. Furthermore, these MTMOs showed excellent supercapacitive properties with specific capacitances of 660-1263 F/g at current density of 2 A/g. Asymmetric capacitor was fabricated with FeCo2O4 as positive and activated carbon as negative electrode which exhibits a specific capacitance of 88 F/g with energy density of 24 Wh/kg (1.1 mWh/cm(3)) and cycle life (93%) over 5000 cycles. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：12384 / 12395

页数：12

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