Journal ArticleDOI
Gradient architecture to boost the electrochemical capacitance of hard carbon
Qi Liu,Weiqun Gong,Shengnan Li,Chenyang Zhao,Dandan Xu,Yujing Liu,Ziyin Yang,Xiao Bai,Anguo Ying +8 more
TLDR
In this article, the authors developed carbon/carbon gradient-structured microspheres (CCGMs) by the strategy of third-order graduation polymerization and dynamic radical oxidation, and the CCGMs exhibited three-ultrahigh performance with gravimetric, volumetric, and areal capacitances of 408.23, 741.11, and 4390, respectively.About:
This article is published in Journal of Power Sources.The article was published on 2021-12-15. It has received 8 citations till now. The article focuses on the topics: Supercapacitor.read more
Citations
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Journal ArticleDOI
A dynamic intercalation mechanism in pre-intercalation carbon nanosheets for capacitive deionization cells
Qi Liu,Chengyao Zhao,Menghan Yuan,Liping Liu,Xiaohui Liu,Yujing Liu,Zhongqiu Liu,Lin Tong,Ang Shin Ying +8 more
TL;DR: In this article , the KC-pre-intercalated carbon nanosheets (PCNs) with abundant conjugated carbonyl groups were designed via a one-step smelting method as a novel intercalation electrode in the symmetric capacitive deionization.
Journal ArticleDOI
Ultrahigh-areal-capacitance aqueous supercapacitors enabled by soft biomass-derived porous carbon membrane
Mengxia Cui,Mengxia Cui,Fang Wang,Fang Wang,Zhengguo Zhang,Zhengguo Zhang,Shixiong Min,Shixiong Min +7 more
Journal ArticleDOI
Tailoring Conductive Three‐Dimensional Porous Hard Carbon for Supercapacitors
TL;DR: In this article , a balance between specific surface area and electrical conductivity in a 3D porous hard carbon by in situ iron-catalyzed graphitization process together with the Si-O-Si network is successfully achieved.
Journal ArticleDOI
Engineering Lateral and Vertical Heterostructures for Supercapacitors with Unprecedented Energy Density
TL;DR: In this article , the V2O3 embedded VPO4-nanocarbon heterostructures with hollow cubic morphology are prepared via one-step in-situ growth.
Journal ArticleDOI
C-P/C=O Bonds Assisted Desolvation Effect in Ultra-micropores Carbon for Boosting Zn-Ion Storage Capability
TL;DR: In this article , a quasi-solid-state flexible ZIHC is constructed, which provides a battery-level energy density (293.4 Wh kg−1) at a power density (180 W kg− 1) and a remarkable capacity retention of 93.4 % after 10, 000 cycles.
References
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Pseudocapacitive oxide materials for high-rate electrochemical energy storage
TL;DR: In this article, the pseudocapacitance properties of transition metal oxides have been investigated and a review of the most relevant pseudo-capacitive materials in aqueous and non-aqueous electrolytes is presented.
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Laser Scribing of High-Performance and Flexible Graphene-Based Electrochemical Capacitors
TL;DR: It is shown that graphite oxide sheets can be converted by infrared laser irradiation into porous graphene sheets that are flexible, robust, and highly conductive, and hold promise for high-power, flexible electronics.
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Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer
TL;DR: The results challenge the long-held axiom that pores smaller than the size of solvated electrolyte ions are incapable of contributing to charge storage.
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Ordered mesoporous [alpha]-MoO3 with iso-oriented nanocrystalline walls for thin-film pseudocapacitors
TL;DR: It is shown that the capacitive charge-storage properties of mesoporous films of iso-oriented alpha-MoO(3) are superior to those of either Mesoporous amorphous material or non-porous crystalline MoO( 3).
Journal ArticleDOI
Ultrahigh-power micrometre-sized supercapacitors based on onion-like carbon
David Pech,Magali Brunet,Hugo Durou,Peihua Huang,Vadym Mochalin,Yury Gogotsi,Pierre-Louis Taberna,Patrice Simon +7 more
TL;DR: This work demonstrates microsupercapacitors with powers per volume that are comparable to electrolytic capacitors, capacitances that are four orders of magnitude higher, and energies per volume higher than conventional supercapacitor.