Heteroatom‐doped and oxygen‐functionalized nanocarbons for high‐performance supercapacitors

S Ghosh, S Barg, SM Jeong… - Advanced Energy …, 2020 - Wiley Online Library
Electrochemical capacitors (best known as supercapacitors) are high‐performance energy
storage devices featuring higher capacity than conventional capacitors and higher power …

Wettability of graphene: from influencing factors and reversible conversions to potential applications

J Feng, Z Guo - Nanoscale Horizons, 2019 - pubs.rsc.org
As a member of the carbon material family, graphene has long been the focus of research
on account of its abundant excellent properties. Nevertheless, many previous research …

Intrinsic defect-rich porous carbon nanosheets synthesized from potassium citrate toward advanced supercapacitors and microwave absorption

L Hou, W Yang, B Jiang, P Wang, L Yan, C Zhang… - Carbon, 2021 - Elsevier
Rationally introducing intrinsic defects in porous carbon framework is highly desired for
extending the utilizing scope of carbon materials, but it remains a challenge. Herein, a …

Hydrothermal encapsulation of VO 2 (A) nanorods in amorphous carbon by carbonization of glucose for energy storage devices

J Zheng, Y Zhang, Q Wang, H Jiang, Y Liu, T Lv… - Dalton …, 2018 - pubs.rsc.org
In recent decades, tremendous attention has been paid to the development of new electrode
materials with high capacitance to meet the requirements of electrode materials in …

From biomass wastes to vertically aligned graphene nanosheet arrays: A catalyst-free synthetic strategy towards high-quality graphene for electrochemical energy …

Z Sun, M Zheng, H Hu, H Dong, Y Liang, Y **ao… - Chemical Engineering …, 2018 - Elsevier
In this contribution, the well-developed, 3D vertically aligned graphene nanosheet arrays
(VAGNAs) are prepared via a simple and environmentally friendly hydrothermal …

RuO 2-coated vertical graphene hybrid electrodes for high-performance solid-state supercapacitors

ZJ Han, S Pineda, AT Murdock, DH Seo… - Journal of Materials …, 2017 - pubs.rsc.org
Hybrid electrodes consisting of ruthenium dioxide (RuO2) and graphene hold great promise
in the development of high-performance supercapacitors. However, the present methods for …

Tailoring pseudocapacitive materials from a mechanistic perspective

A Eftekhari, M Mohamedi - Materials today energy, 2017 - Elsevier
Pseudocapacitive materials are the basis of the emerging pseudocapacitors, but the
applicability of this class of electroactive materials is not limited to supercapacitors. In fact …

In situ encapsulated Fe 3 O 4 nanosheet arrays with graphene layers as an anode for high-performance asymmetric supercapacitors

J Lin, H Liang, H Jia, S Chen, J Guo, J Qi… - Journal of Materials …, 2017 - pubs.rsc.org
Energy density of asymmetric supercapacitors (ASCs) is greatly limited by the
electrochemical performance, especially low specific capacitance and poor cycling stability …

Kelp-derived three-dimensional hierarchical porous N, O-doped carbon for flexible solid-state symmetrical supercapacitors with excellent performance

Y Zhang, H Jiang, Q Wang, J Zheng, C Meng - Applied Surface Science, 2018 - Elsevier
Abstract Three-dimensional (3D) porous N, O-doped carbon with hierarchical structures
composed of micropores, mesopores and macropores were synthesized by the direct …

Rational construction of nickel cobalt sulfide nanoflakes on CoO nanosheets with the help of carbon layer as the battery-like electrode for supercapacitors

J Lin, Y Liu, Y Wang, H Jia, S Chen, J Qi, C Qu… - Journal of Power …, 2017 - Elsevier
Herein, binder-free hierarchically structured nickel cobalt sulfide nanoflakes on CoO
nanosheets with the help of carbon layer (Ni-Co-S@ C@ CoO NAs) are fabricated via …