Results 31 to 40 of about 2,403 (114)

Nitrogen Doping of Porous Carbon Electrodes Derived from Pine Nut Shell for High-Performance Supercapacitors

open access: yesInternational Journal of Electrochemical Science, 2020
Porous carbon materials are one of the most widely studied electrode materials in supercapacitor electrode materials. Many studies have shown that increasing the specific surface area of porous carbon materials, increasing the pore structure, and hetero ...
Jinghua Li   +7 more
doaj   +1 more source

Self-powered H2 production with bifunctional hydrazine as sole consumable

open access: yesNature Communications, 2018
While water electrolysis provides an attractive means to produce high-energy hydrogen (H2), the process imposes significant material overpotential barriers.
Xijun Liu   +8 more
doaj   +1 more source

Preparation and properties of biomass porous carbon composite phase change materials

open access: yes工程科学学报, 2020
Presently, combining porous and high-thermal-conductivity matrices with phase change materials is widely used to improve the comprehensive properties of organic composite phase change materials.
Zhang TAO   +4 more
doaj   +1 more source

Defect Rich Hierarchical Porous Carbon for High Power Supercapacitors

open access: yesFrontiers in Chemistry, 2020
Tuning hierarchical pore structure of carbon materials is an effective way to achieve high energy density under high power density of carbon-based supercapacitors.
Peng Cai   +7 more
doaj   +1 more source

Synergistic Structure and Iron‐Vacancy Engineering Realizing High Initial Coulombic Efficiency and Kinetically Accelerated Lithium Storage in Lithium Iron Oxide

open access: yesAdvanced Science, 2023
Transition metal oxides with high capacity still confront the challenges of low initial coulombic efficiency (ICE, generally
Naiteng Wu   +12 more
doaj   +1 more source

Enhanced functional properties of porous carbon materials as high-performance electrode materials for supercapacitors

open access: yesGreen Energy and Resources, 2023
Porous carbons with unique electronic, chemical, and surface properties have become a research hotspot in energy storage applications. But the electrodes of porous carbons in supercapacitors cannot meet the ever-inrceasing demands for high energy density
Kai Yang   +6 more
doaj   +1 more source

Hierarchical porous carbon induced by inherent structure of eggplant as sustainable electrode material for high performance supercapacitor

open access: yesJournal of Materials Research and Technology, 2022
The conversion and utilization of renewable biomass have attracted worldwide focus on sustainable development research. The study of biochar as electrode material for supercapacitors shows that the hierarchical porous structure of biochar directly ...
Wenping Li   +6 more
doaj   +1 more source

Development of Porous Carbon Material "Woodceramics". III. Development of Porous Carbon Material "Woodceramics". Frictional Properties.

open access: yesJournal of the Society of Materials Science, Japan, 1995
Woodceramics are the porous carbon materials obtained from wood or woody materials impregnated with phenol formaldehyde resin and sintered in a vacuum furnace. The purpose of this paper is to analyze fundamental friction properties of woodceramics in sliding with several materials. A reciprocating friction apparatus was used in the experiments.
Kazuo HOKKIRIGAWA   +2 more
openaire   +3 more sources

Research progress on porous carbon materials [PDF]

open access: yesSCIENTIA SINICA Chimica, 2019
Porous carbon materials (PCMs) hold great promise in the fields of energy generation/conversion and environmental remediation due to their high specific surface areas, tunable physicochemical properties and cost-effective scaled-up production. The synthetic strategies and the structures of their precursors significantly affect the final performance and
Tongzhou Wang, Hong Wang
openaire   +1 more source

Design and Regulation of Novel MnFe2O4@C Nanowires as High Performance Electrode for Supercapacitor

open access: yesNanomaterials, 2019
Bimetallic oxides have been considered as potential candidates for supercapacitors due to their relatively high electric conductivity, abundant redox reactions and cheapness.
Lei Geng   +3 more
doaj   +1 more source

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