Journal ArticleDOI
Creating oxygen-vacancies in MoO3-x nanobelts toward high volumetric energy-density asymmetric supercapacitors with long lifespan
TLDR
In this article, an asymmetric supercapacitor with the GC/MoO3-x and GC/MnO2 nanocomposites as anode and cathode, respectively, exhibits an ultrahigh energy of 150'Wh'kg−1, corresponding to an impressive volumetric energy density of 319'Wh´L−1.About:
This article is published in Nano Energy.The article was published on 2019-04-01. It has received 235 citations till now. The article focuses on the topics: Supercapacitor.read more
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High-Capacity and Kinetically Accelerated Lithium Storage in MoO3 Enabled by Oxygen Vacancies and Heterostructure
Yingying Zhang,Peng Chen,Qingyu Wang,Qian Wang,Kai Zhu,Ke Ye,Guiling Wang,Dianxue Cao,Jun Yan,Qiang Zhang +9 more
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Nanoarchitectured Design of Vertical-Standing Arrays for Supercapacitors: Progress, Challenges, and Perspectives
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3D Porous Oxidation-Resistant MXene/Graphene Architectures Induced by In Situ Zinc Template toward High-Performance Supercapacitors
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Co9S8-Ni3S2/CuMn2O4-NiMn2O4 and MnFe2O4-ZnFe2O4/graphene as binder-free cathode and anode materials for high energy density supercapacitors
Chandu V. V. Muralee Gopi,Rajangam Vinodh,Sangaraju Sambasivam,Ihab M. Obaidat,Saurabh Singh,Hee-Je Kim +5 more
TL;DR: In this paper, the authors developed a multicomponent integration of hierarchical Co9S8-Ni3S2 nanoparticles anchored on CuMn2O4-NiMn 2O4 nanosheet arrays (CoNi-S NPs/Cu-Ni-Mn-O NSAs) and rhombus-like shaped MnFe2O 4-ZnFe-O/G-ink nanosheets, which were effectively applied as a superior binder free cathode and anode electrodes for ASCs.
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Hierarchical Porous Integrated Co1−xS/CoFe2O4@rGO Nanoflowers Fabricated via Temperature-Controlled In Situ Calcining Sulfurization of Multivariate CoFe-MOF-74@rGO for High-Performance Supercapacitor
Chongting Ren,Xu Jia,Wen Zhang,Ding Hou,Zhengqiang Xia,Dashuai Huang,Jun Hu,Sanping Chen,Shengli Gao +8 more
References
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Journal ArticleDOI
Materials for electrochemical capacitors
TL;DR: This work has shown that combination of pseudo-capacitive nanomaterials, including oxides, nitrides and polymers, with the latest generation of nanostructured lithium electrodes has brought the energy density of electrochemical capacitors closer to that of batteries.
Journal ArticleDOI
Conductive two-dimensional titanium carbide ‘clay’ with high volumetric capacitance
TL;DR: This capacitance report reports a method of producing two-dimensional titanium carbide ‘clay’ using a solution of lithium fluoride and hydrochloric acid that offers a much faster route to film production as well as the avoidance of handling hazardous concentrated hydrofluoric acid.
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Charge Storage Mechanism of MnO2 Electrode Used in Aqueous Electrochemical Capacitor
TL;DR: The charge storage mechanism in MnO2 electrode, used in aqueous electrolyte, was investigated by cyclic voltammetry and X-ray photoelectron spectroscopy as discussed by the authors.
Journal ArticleDOI
Advanced Asymmetric Supercapacitors Based on Ni(OH)2/Graphene and Porous Graphene Electrodes with High Energy Density
Jun Yan,Zhuangjun Fan,Wei Sun,Guoqing Ning,Tong Wei,Qiang Zhang,Rufan Zhang,Linjie Zhi,Fei Wei +8 more
TL;DR: In this paper, a high-voltage asymmetric supercapacitor is successfully fabricated using Ni(OH)2/graphene and porous graphene as the positive and negative electrodes, respectively.
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Asymmetric Supercapacitors Based on Graphene/MnO2 and Activated Carbon Nanofiber Electrodes with High Power and Energy Density
TL;DR: An asymmetric supercapacitor with high energy density has been developed successfully using graphene/MnO2 composite as positive electrode and activated carbon nanofibers (ACN) as negative electrode in a neutral aqueous Na2SO4 electrolyte as mentioned in this paper.