Leonotis Nepetifolia Mediated Eco-Friendly Synthesis of ZnO NPs: Photocatalytic, Antioxidant Activities and Their Applications to Nano-Composite Electrode Material for Supercapacitor

2021 ◽  
Author(s):  
Pavithra Gajendran ◽  
Santhakumar Kannappan
Keyword(s):  
Electrode Material ◽  
Composite Electrode ◽  
Antioxidant Activities ◽  
Zno Nps ◽  
Nano Composite

Pseudocapacitive behaviour of iron oxides supported on carbon nanofibers as a composite electrode material for aqueous-based supercapacitors

2021 ◽  
Vol 42 ◽  
pp. 103052
Author(s):  
Murilo Alexandreli ◽  
Cesar B. Brocchi ◽  
Davi Marcelo Soares ◽  
Willian G. Nunes ◽  
Bruno G. Freitas ◽  
...  
Keyword(s):  
Iron Oxides ◽  
Carbon Nanofibers ◽  
Electrode Material ◽  
Composite Electrode

Core–Shell Structured NiCo2O4@ZnCo2O4 Nanomaterials with High Energy Density for Hybrid Capacitors

2021 ◽  
Vol 16 (7) ◽  
pp. 1134-1142
Author(s):  
Wenduo Yang ◽  
Jun Xiang ◽  
Sroeurb Loy ◽  
Nan Bu ◽  
Duo Cui ◽  
...  
Keyword(s):  
Energy Density ◽  
Electrode Material ◽  
Composite Electrode ◽  
Electrode Materials ◽  
Structural Characteristics ◽  
High Energy ◽  
High Energy Density ◽  
Core Shell ◽  
Shell Composite ◽  
Hybrid Capacitors

NiCo2O4 as an electrode material for supercapacitors (SCs) has been studied by a host of researchers due to its unique structural characteristics and high capacitance. However, its performance has not yet reached the level of practical applications.it is an effective strategy to synthesize composite electrode materials for tackling the problem. Herein, NiCo2O4@ZnCo2O4 as a novel core–shell composite electrode material has been fabricated through a two-step simple hydrothermal method. The as-prepared sample can be directly used as cathode material of a supercapacitor, and its specific capacitance is 463.1 C/g at 1 A/g. An assembled capacitor has an energy density of 77 Wh·kg−1 at 2700 W·kg−1, and after 8000 cycles, 88% of the initial capacity remains.

Durable porous carbon/ZnMn2O4 composite electrode material for supercapacitor

2019 ◽  
Vol 803 ◽  
pp. 424-433 ◽  
Author(s):  
Cheng-Kim Sim ◽  
S.R. Majid ◽  
Noor Zalina Mahmood
Keyword(s):  
Electrode Material ◽  
Porous Carbon ◽  
Composite Electrode

A heterojunction of VO(OH)2 nanorods onto hemp stem derived carbon for high voltage (1.5 V) symmetric supercapacitors

2020 ◽  
Vol 4 (10) ◽  
pp. 5102-5113
Author(s):  
Bhumika Tiwari ◽  
Akanksha Joshi ◽  
Mehak Munjal ◽  
Raj Kishore Sharma ◽  
Gurmeet Singh
Keyword(s):  
High Voltage ◽  
Electrode Material ◽  
Composite Electrode ◽  
Negative Potential ◽  
Potential Electrode ◽  
Operating Potential

A heterojunction design of positive and negative potential electrode material in a single composite electrode material resulting in a 1.5 V operating potential.

Bimetallic FeNi-MIL-88-derived NiFe2O4@Ni–Mn LDH composite electrode material for a high performance asymmetric supercapacitor

2020 ◽  
Vol 49 (29) ◽  
pp. 10203-10211 ◽  
Author(s):  
Shaobin Li ◽  
Jing Pan ◽  
Fengbo Li ◽  
Li Zhang ◽  
Dongfeng Chai ◽  
...  
Keyword(s):  
Electrode Material ◽  
Potential Application ◽  
High Performance ◽  
Composite Electrode ◽  
Asymmetric Supercapacitor

A novel NiFe2O4@Ni–Mn LDH/NF composite was synthesized by deriving bimetallic FeNi-MIL-88, and has potential application as a high-performance supercapacitor.

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