Hexagonal petal-like cobalt oxide nanowire arrays encapsulated by MOF-derived Co/N-codoped carbon for boosting electrochemical capacitor behaviour

2021 ◽  
Author(s):  
Xiao-Man Cao ◽  
Zhi-Jia Sun ◽  
Zheng-Bo Han
Keyword(s):  
Cobalt Oxide ◽  
Rate Capability ◽  
Electrochemical Capacitor ◽  
Nanowire Arrays ◽  
Core Shell ◽  
Unique Structure ◽  
Good Rate Capability

A novel core–shell hetero-structured electrode (NF@CoO@Co/N–C) is designed and synthesized via a “anchor-etch-calcine” process for boosting electrochemical capacitor behaviour. The unique structure endows NF@CoO@Co/N–C with ultrahigh areal capacitances and good rate capability.

Cobalt Oxide@Tin Oxide@Silver Core-Shell Nanowire Arrays as Electrodes for Lithium-Ion Batteries

2016 ◽  
Vol 5 (2) ◽  
pp. 277-282 ◽  
Author(s):  
Wei Liu ◽  
Hao Wu ◽  
Ning Du ◽  
Man Wu ◽  
Wenjia Zhao ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Cobalt Oxide ◽  
Tin Oxide ◽  
Lithium Ion ◽  
Nanowire Arrays ◽  
Core Shell ◽  
Silver Core

Hybrid LiV3O8/carbon encapsulated Li1.2Mn0.54Co0.13Ni0.13O2 with improved electrochemical properties for lithium ion batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (34) ◽  
pp. 28729-28736 ◽  
Author(s):  
Kailing Sun ◽  
Can Peng ◽  
Zhaohui Li ◽  
Qichang Xiao ◽  
Gangtie Lei ◽  
...  
Keyword(s):  
Composite Material ◽  
Coulombic Efficiency ◽  
Sol Gel ◽  
Rate Capability ◽  
Lithium Ion ◽  
Core Shell ◽  
Potential Range ◽  
Stable Operation ◽  
Initial Coulombic Efficiency ◽  
Good Rate Capability

Core–shell Li1.2Mn0.54Co0.13Ni0.13O2@LiV3O8/C composite material was prepared by sol–gel method. It possessed an initial coulombic efficiency of 94% at 0.1C rate over 2.0–4.8 V potential range, and good rate capability and stable operation voltage.

Composition controlled nickel cobalt sulfide core–shell structures as high capacity and good rate-capability electrodes for hybrid supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (55) ◽  
pp. 50209-50216 ◽  
Author(s):  
Lei Zhang ◽  
Haitao Zhang ◽  
Long Jin ◽  
Binbin Zhang ◽  
Fangyan Liu ◽  
...  
Keyword(s):  
High Capacity ◽  
Rate Capability ◽  
Shell Structures ◽  
Cobalt Sulfide ◽  
Metal Sulfides ◽  
Core Shell ◽  
Hybrid Supercapacitors ◽  
Nickel Cobalt ◽  
Tuning Element ◽  
Good Rate Capability

Tuning element content is an effective approach for achieving excellent rate-capability and cycling stability in polynary metal sulfides for hybrid supercapacitors.

Hierarchical CuCo2O4@NiMoO4 core–shell hybrid arrays as a battery-like electrode for supercapacitors

2017 ◽  
Vol 4 (9) ◽  
pp. 1575-1581 ◽  
Author(s):  
Jinghuang Lin ◽  
Haoyan Liang ◽  
Henan Jia ◽  
Shulin Chen ◽  
Yifei Cai ◽  
...  
Keyword(s):  
Specific Capacitance ◽  
Rate Capability ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Core Shell ◽  
Excellent Cycling Stability ◽  
Good Rate Capability

Hierarchical CuCo2O4@NiMoO4 core–shell hybrid arrays exhibit a high specific capacitance, good rate capability and excellent cycling stability.

Core–shell structured SnO2 hollow spheres–polyaniline composite as an anode for sodium-ion batteries

RSC Advances ◽  
2015 ◽  
Vol 5 (40) ◽  
pp. 31465-31471 ◽  
Author(s):  
Xingxing Zhao ◽  
Zhian Zhang ◽  
Fuhua Yang ◽  
Yun Fu ◽  
Yanqing Lai ◽  
...  
Keyword(s):  
Anode Material ◽  
Hollow Spheres ◽  
Rate Capability ◽  
Sodium Ion ◽  
Core Shell ◽  
Sodium Ion Batteries ◽  
Long Cycle Life ◽  
Pani Composite ◽  
Good Rate Capability

SnO2@PANI composite has been synthesized by the in situ polymerization of aniline monomers in the presence of SnO2 hollow spheres. Using as an anode material for sodium-ion batteries, the composite exhibited long cycle life and good rate capability.

The design and synthesis of porous NiCo2O4 ellipsoids supported by flexile carbon nanotubes with enhanced lithium-storage properties for lithium-ion batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (38) ◽  
pp. 31925-31933 ◽  
Author(s):  
Yudi Mo ◽  
Qiang Ru ◽  
Xiong Song ◽  
Junfen Chen ◽  
Xianhua Hou ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Rate Capability ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Nanowire Arrays ◽  
Lithium Storage ◽  
Design And Synthesis ◽  
High Reversible Capacity ◽  
Storage Properties ◽  
Good Rate Capability

The as-prepared 3D porous NiCo2O4 ellipsoids supported by flexile carbon nanotubes nanowire arrays show high reversible capacity, excellent cycling stability, and good rate capability when used as an anode material for LIBs.

Electrodeposition of honeycomb-shaped NiCo2O4 on carbon cloth as binder-free electrode for asymmetric electrochemical capacitor with high energy density

RSC Advances ◽  
2016 ◽  
Vol 6 (44) ◽  
pp. 37562-37573 ◽  
Author(s):  
Yufeng An ◽  
Zhongai Hu ◽  
Bingshu Guo ◽  
Ning An ◽  
Yadi Zhang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Rate Capability ◽  
Electrochemical Capacitor ◽  
High Energy ◽  
High Energy Density ◽  
Carbon Cloth ◽  
Reduced Graphene ◽  
Binder Free ◽  
Good Rate Capability

Through the matching of the honeycomb-shaped NiCo2O4/CC (HSNC) and reduced graphene oxide/carbon cloth (rGO/CC) to obtain the binder-free asymmetric electrochemical capacitor with high energy density good rate capability and excellent cycle life.

Three-dimensional NiCo2O4 nanowire arrays: preparation and storage behavior for flexible lithium-ion and sodium-ion batteries with improved electrochemical performance

2015 ◽  
Vol 3 (39) ◽  
pp. 19765-19773 ◽  
Author(s):  
Yudi Mo ◽  
Qiang Ru ◽  
Junfen Chen ◽  
Xiong Song ◽  
Lingyun Guo ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Rate Capability ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Nanowire Arrays ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Storage Behavior ◽  
And Storage ◽  
Good Rate Capability

The as-prepared 3D NCO@CFC nanowire arrays show high reversible capacity, excellent cycling stability, and good rate capability when used as an anode material for LIBs and SIBs.

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