Hierarchical spinel NiMn2O4 nanostructures anchored on 3-D nickel foam as stable and high-performance supercapacitor electrode material

被引：30

作者：

Dhas, Suprimkumar D. ^{[1
,3
]}

Thonge, Pragati N. ^{[2
]}

Waghmare, Shivaji D. ^{[3
]}

Kulkarni, Gopal K. ^{[9
]}

Shinde, Surendra K. ^{[4
,8
]}

Kim, Dae-Young ^{[4
]}

Patil, Teja M. ^{[5
]}

Yewale, Manesh A. ^{[6
]}

Moholkar, Annasaheb V. ^{[7
]}

Kim, Daewon ^{[1
]}

机构：

[1] Kyung Hee Univ, Inst Wearable Convergence Elect, Dept Elect Engn, 1732 Deogyeong Daero, Yongin 17104, South Korea

[2] Punyashlok Ahilyadevi Holkar Solapur Univ, Sch Life Sci, Solapur, Maharashtra, India

[3] Shri Shivaji Mahavidyalaya, Dept Phys, Barshi, Maharashtra, India

[4] Dongguk Univ Seoul, Dept Biol & Environm Sci, 32 Dongguk Ro, Goyang Si 10326, Gyeonggi Do, South Korea

[5] Bhogawati Mahavidyalaya Kurukali Shivaji Univ, Dept Phys, Kolhapur, Maharashtra, India

[6] Yeugnam Univ, Sch Mech Engn, Gyongsan 38541, South Korea

[7] Shivaji Univ, Dept Phys, Thin Film Nanomat Lab, Kolhapur, Maharashtra, India

[8] Arts Sci & Commerce Coll Indapur, Dept Phys, Indapur 413106, Maharashtra, India

[9] Shivaji Univ, Dept Phys, Thick & Thin Film Device Lab, Kolhapur 416004, Maharashtra, India

来源：

JOURNAL OF ENERGY STORAGE | 2023年 / 71卷

关键词：

Energy storage; Hydrothermal; Symmetric supercapacitors device; REDUCED GRAPHENE OXIDE; FACILE SYNTHESIS; HYDROTHERMAL SYNTHESIS; ENERGY-STORAGE; NANOPARTICLES; MECHANISM; ARRAYS;

D O I：

10.1016/j.est.2023.108168

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A simple hydrothermal route has been used to synthesize NiMn2O4 nanostructures (NSs) on nickel foam. The electrochemical investigation shows how annealing temperature affects its supercapacitive properties. The NMO@500-Ni-foam electrode shows a high specific capacitance of 930 Fg  1 at a constant scan rate of 5 mVs  1 in 1 M KOH electrolyte. Additionally, the corresponding symmetric supercapacitor device (SSCs) has a superior cyclic span with 93.7 % capacitance retention even after 5000 cycles, excellent electrochemical performance with a specific capacitance of 72.9 Fg  1, specific energy of 11 Whkg  1, and specific power of 857 Wkg  1. The exceptional results suggest that NiMn2O4 grown on Ni-foam might be a promising candidate for electrochemical energy storage applications.

引用

页数：15

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