scholarly journals Overview of transition metal-based composite materials for supercapacitor electrodes

2020 ◽  
Vol 2 (12) ◽  
pp. 5516-5528
Author(s):  
Mingjin Cui ◽  
Xiangkang Meng
Keyword(s):  
Composite Materials ◽  
Transition Metal ◽  
Electrode Materials ◽  
Materials Design ◽  
Next Generation

Illustration of transition metal-based electrode materials (oxides, sulfides, and phosphides) for supercapacitors. Recent researches, current challenges, and next generation materials design will be discussed.

Synergistic effect of carbon nanotubes and graphitic carbon nitride on the enhanced supercapacitor performance of cobalt diselenide-based composites

2021 ◽  
Author(s):  
Mingjie Li ◽  
Xuan Zheng ◽  
Xiang Li ◽  
Youjun Yu ◽  
Jinlong Jiang
Keyword(s):  
Carbon Nanotubes ◽  
Transition Metal ◽  
Synergistic Effect ◽  
Hydrothermal Method ◽  
High Performance ◽  
Carbon Nitride ◽  
Electrode Materials ◽  
One Dimensional ◽  
Supercapacitor Performance ◽  
Metal Selenides

Recently, transition metal selenides have been investigated extensively as promising electrode materials for high-performance supercapacitors. Herein, the multi-component CoSe2/CNTs@g-C3N4 composites are prepared using a two-step hydrothermal method by incorporating one-dimensional...

Ferromagnetic Dirac Half-Metallicity in Transition Metal Embedded Honeycomb Borophene

2021 ◽  
Author(s):  
Yanxia Wang ◽  
Xue Jiang ◽  
Yi Wang ◽  
Jijun Zhao
Keyword(s):  
Transition Metal ◽  
First Principles ◽  
Valence Electron ◽  
Two Dimensional ◽  
First Principles Calculations ◽  
Next Generation ◽  
Half Metallicity ◽  
Counting Rule ◽  
Spintronic Devices ◽  
Electron Counting

Exploring two-dimensional (2D) ferromagnetic materials with intrinsic Dirac half-metallicity is crucial for the development of next-generation spintronic devices. Based on first-principles calculations, here we propose a simple valence electron-counting rule...

Structure and Properties of Novel Superhard Nanocrystalline/Amorphous Composite Materials

1995 ◽  
Vol 400 ◽  
Author(s):  
S. Vepřek ◽  
M. Haussmann ◽  
S. Reiprich
Keyword(s):  
Elastic Modulus ◽  
Composite Materials ◽  
Transition Metal ◽  
Theoretical Concept ◽  
Structure And Properties ◽  
Superhard Materials ◽  
Transition Metal Nitride ◽  
Upper Limit ◽  
Amorphous Si ◽  
Matrix Hardness

AbstractWe have developed a theoretical concept for the design of novel superhard materials and verified it experimentally on several systems nc-MenN/a-Si3N4 (nc-MenN is a nanocrystalline transition metal nitride imbedded in a thin amorphous Si3N4 matrix). Hardness in excess of 5000 kg/mm2 (about 50 GPa) and elastic modulus of ≥550 GPa have been achieved [1-3]. Here we address the questions of the universality of the concept for the design of a variety of nc/a systems and the upper limit of the hardness which may be achieved.

In-situ encapsulation engineering boosts electrochemical performance of highly graphitized N-doped porous carbon-based copper-cobalt selenides for bifunctional oxygen electrocatalysis

Nanoscale ◽  
2021 ◽  
Author(s):  
Hang Zhang ◽  
Xuemin Wang ◽  
Zhengzheng Li ◽  
Cui Zhang ◽  
Shuangxi Liu
Keyword(s):  
Energy Storage ◽  
Transition Metal ◽  
Electrochemical Performance ◽  
Porous Carbon ◽  
Electrode Materials ◽  
Metal Sulfides ◽  
Environment Friendly ◽  
Energy Storage Applications ◽  
Metal Selenides

Transition-metal selenides are capturing eminence as promising electrode materials for energy storage applications owing to their low electronegativity and environment-friendly compared with metal sulfides/oxides. Herein, a CuCoSe@NC nanocomposite with copper-cobalt...

ZIF-67-derived NiCo2O4@Co2P/Ni2P honeycomb nanosheets on carbon cloth for high-performance asymmetric supercapacitors

2021 ◽  
Author(s):  
Wen-Wei Song ◽  
Bing Wang ◽  
Xiao-Man Cao ◽  
Qiang Chen ◽  
Zhengbo Han
Keyword(s):  
Transition Metal ◽  
Transition Metal Oxides ◽  
High Performance ◽  
Electrode Materials ◽  
Redox Activity ◽  
Electrochemical Performances ◽  
Carbon Cloth ◽  
Metal Phosphides ◽  
Metal Organic ◽  
Transition Metal Phosphides

Metal-organic frameworks (MOFs)-derived transition-metal oxides and transition-metal phosphides have great application potential as electrode materials for supercapacitors, owing to the excellent redox activity and high conductivity. However, their electrochemical performances...

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