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.

Mechanism analysis of the capacitance contributions and ultralong cycling-stability of the isomorphous MnO2@MnO2 core/shell nanostructures for supercapacitors

2015 ◽  
Vol 3 (11) ◽  
pp. 6168-6176 ◽  
Author(s):  
Jiajia Shao ◽  
Xiying Zhou ◽  
Qian Liu ◽  
Rujia Zou ◽  
Wenyao Li ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Specific Capacitance ◽  
Hydrothermal Process ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Core Shell ◽  
Mechanism Analysis ◽  
Shell Nanostructures ◽  
Excellent Cycling Stability ◽  
Facile Hydrothermal Process

The isomorphous MnO2@MnO2 core/shell nanostructures synthesized through a facile hydrothermal process showed remarkable electrochemical performance, i.e., a high specific capacitance with excellent cycling stability.

Yolk–shell-structured MnO2 microspheres with oxygen vacancies for high-performance supercapacitors

2018 ◽  
Vol 6 (4) ◽  
pp. 1601-1611 ◽  
Author(s):  
Yongsheng Fu ◽  
Xiangyu Gao ◽  
Daosong Zha ◽  
Junwu Zhu ◽  
Xiaoping Ouyang ◽  
...  
Keyword(s):  
Specific Capacitance ◽  
High Performance ◽  
Oxygen Vacancies ◽  
Rate Capability ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Excellent Cycling Stability

An electrode consisting of yolk–shell-structured MnO2 microspheres with oxygen vacancies exhibits high specific capacitance, excellent cycling stability (10 000 cycles) and superior rate capability.

SiO2@NiO core–shell nanocomposites as high performance anode materials for lithium-ion batteries

RSC Advances ◽  
2015 ◽  
Vol 5 (77) ◽  
pp. 63012-63016 ◽  
Author(s):  
Yourong Wang ◽  
Wei Zhou ◽  
Liping Zhang ◽  
Guangsen Song ◽  
Siqing Cheng
Keyword(s):  
Lithium Ion Batteries ◽  
Anode Materials ◽  
High Performance ◽  
Coulombic Efficiency ◽  
Rate Capability ◽  
Lithium Ion ◽  
Cycling Stability ◽  
Core Shell ◽  
Excellent Cycling Stability

A SiO2@NiO core–shell electrode exhibits almost 100% coulombic efficiency, excellent cycling stability and rate capability after the first few cycles.

Facile synthesis of three-dimensional flower-like MoO2–graphene nanostructures with enhanced electrochemical performance

2016 ◽  
Vol 4 (27) ◽  
pp. 10414-10418 ◽  
Author(s):  
Ying Ma ◽  
Yulong Jia ◽  
Lina Wang ◽  
Min Yang ◽  
Yingpu Bi ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Specific Capacitance ◽  
Hydrothermal Reaction ◽  
Three Dimensional ◽  
Rate Capability ◽  
Cycling Stability ◽  
Facile Synthesis ◽  
Enhanced Electrochemical Performance ◽  
Good Rate Capability ◽  
Graphene Nanostructures

Three-dimensional MoO2–G flower-like nanostructures were synthesized through a facile hydrothermal reaction and showed significantly improved specific capacitance, good rate capability and cycling stability.

Co3O4/ZnO nanoheterostructure derived from core–shell ZIF-8@ZIF-67 for supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (57) ◽  
pp. 52137-52142 ◽  
Author(s):  
Jiao Xu ◽  
Shucheng Liu ◽  
Yi Liu
Keyword(s):  
Specific Capacitance ◽  
Rate Capability ◽  
High Specific Capacitance ◽  
Thermal Conversion ◽  
Core Shell

Co3O4/ZnO heteronanostructures were prepared through the thermal conversion of core–shell ZIF-8@ZIF-67, exhibiting a high specific capacitance and improved rate capability.

Hierarchical core/shell structures of ZnO nanorod@CoMoO4 nanoplates used as a high-performance electrode for supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (4) ◽  
pp. 3020-3024 ◽  
Author(s):  
Yunjiu Cao ◽  
Lei An ◽  
Lijun Liao ◽  
Xijian Liu ◽  
Tao Ji ◽  
...  
Keyword(s):  
Specific Capacitance ◽  
High Performance ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Shell Structures ◽  
Core Shell ◽  
Zno Nanorod ◽  
Good Cycling Stability

ZnO@CoMoO4 core/shell structures as an electrode for supercapacitors exhibited a high specific capacitance of 1.52 F cm−2 (1169 F g−1) at 2 mA cm−2 and a good cycling stability of 109% of the initial specific capacitance after 5000 cycles.

Hierarchical core–shell α-Fe2O3@C nanotubes as a high-rate and long-life anode for advanced lithium ion batteries

2014 ◽  
Vol 2 (10) ◽  
pp. 3439-3444 ◽  
Author(s):  
Xin Gu ◽  
Liang Chen ◽  
Shuo Liu ◽  
Huayun Xu ◽  
Jian Yang ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Hydrothermal Reaction ◽  
Rate Capability ◽  
Lithium Ion ◽  
Cycling Stability ◽  
High Rate ◽  
Core Shell ◽  
Long Life ◽  
Excellent Cycling Stability ◽  
C Nanotubes

Hierarchical core–shell α-Fe2O3@C nanotubes, prepared by a mild hydrothermal reaction, presented excellent cycling stability and rate capability for lithium ion batteries.

A new layered sodium molybdenum oxide anode for full intercalation-type sodium-ion batteries

2015 ◽  
Vol 3 (44) ◽  
pp. 22012-22016 ◽  
Author(s):  
Kai Zhu ◽  
Shaohua Guo ◽  
Jin Yi ◽  
Songyan Bai ◽  
Yingjin Wei ◽  
...  
Keyword(s):  
Anode Material ◽  
Molybdenum Oxide ◽  
Rate Capability ◽  
Reversible Capacity ◽  
Cycling Stability ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Excellent Cycling Stability ◽  
Oxide Anode ◽  
Good Rate Capability

A new layered Na0.3MoO2 exhibits a reversible capacity of 146 mA h g−1, remarkable cycling stability and good rate capability for sodium half-cells. And a Na0.3MoO2//Na0.8Ni0.4Ti0.6O2 full intercalation-type sodium-ion cell is fabricated and it displays an excellent cycling stability. These results indicate that molybdenum-based oxide is a promising anode material for sodium-ion batteries.

Preparation of urchin-like NiCo2O4 material and studies of its electrochemical performance for supercapacitors

2019 ◽  
Vol 12 (03) ◽  
pp. 1950026 ◽  
Author(s):  
Lili Wang ◽  
Yanxia Huang ◽  
Xiaoshan Li ◽  
Hang Ma ◽  
Chenghang You ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Specific Capacitance ◽  
Hydrothermal Process ◽  
Rate Capability ◽  
Cycling Stability ◽  
A Value ◽  
Excellent Electrochemical Performance ◽  
Good Cycling Stability ◽  
Good Rate Capability

The paper reports a kind of NiCo2O4 material with urchin-like morphology. This material was prepared using a facile strategy of hydrothermal process followed by calcinations, and exhibits an excellent electrochemical performance. For example, it delivers a specific capacitance high up to 1167[Formula: see text]Fg[Formula: see text] at 1[Formula: see text]Ag[Formula: see text] and still retains a value of 1095[Formula: see text]Fg[Formula: see text] at 10[Formula: see text]Ag[Formula: see text], showing a good rate capability; after suffering from 3000 cycles at 10[Formula: see text]A[Formula: see text]g[Formula: see text], the specific capacitance has only a decay of 12%, presenting a good cycling stability.

Metal–organic framework templated fabrication of Cu7S4@Ni(OH)2 core–shell nanoarrays for high-performance supercapacitors

2020 ◽  
Vol 7 (2) ◽  
pp. 427-436 ◽  
Author(s):  
Yan Zhou ◽  
Shihang Zhao ◽  
Xianbo Yu ◽  
Yanli Li ◽  
Hongmei Chen ◽  
...  
Keyword(s):  
Specific Capacitance ◽  
High Performance ◽  
Metal Organic Framework ◽  
Metal Organic Frameworks ◽  
High Specific Capacitance ◽  
Core Shell ◽  
Nanorod Arrays ◽  
Metal Organic ◽  
Rate Capacity ◽  
Excellent Cycling Stability

Core–cell Cu7S4@Ni(OH)2 nanorod arrays were fabricated by using metal–organic frameworks as templates, and showed high specific capacitance, superior rate capacity and excellent cycling stability for supercapacitors.

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