Results 21 to 30 of about 6,987,570 (253)

Ultra-Thin SnS2-Pt Nanocatalyst for Efficient Hydrogen Evolution Reaction

open access: yesNanomaterials, 2020
Transition-metal dichalcogenides (TMDs) materials have attracted much attention for hydrogen evolution reaction (HER) as a new catalyst, but they still have challenges in poor stability and high reaction over-potential.
Yanying Yu   +6 more
doaj   +1 more source

Selective Adsorption-Based Separation of Flue Gas and Natural Gas in Zirconium Metal-Organic Frameworks Nanocrystals

open access: yesMolecules, 2019
Carbon capture from flue gas and natural gas offers a green path to construct a net-zero emissions economic system. Selective adsorption-based gas separation by employing metal-organic frameworks (MOFs) is regarded as a promising technology due to the ...
Pengli Li   +4 more
doaj   +1 more source

Dynamic co-catalysis of Au single atoms and nanoporous Au for methane pyrolysis

open access: yesNature Communications, 2020
Nanocatalysts and single‐atom catalysts are generally considered as two categories with distinct performances. Here, in situ TEM study of catalytic methane pyrolysis over nanoporous Au reveals a highly dynamic process where co‐catalysis exists among ...
Wei Xi   +9 more
doaj   +1 more source

Asymmetric Coordination Environment Engineering of Atomic Catalysts for CO2 Reduction

open access: yesNanomaterials, 2023
Single-atom catalysts (SACs) have emerged as well-known catalysts in renewable energy storage and conversion systems. Several supports have been developed for stabilizing single-atom catalytic sites, e.g., organic-, metal-, and carbonaceous matrices ...
Xianghua Hou   +5 more
doaj   +1 more source

Porous Carbon-Based Sensors and Their Applications

open access: yes, 2023
The demand for new sensors with specific and highly enhanced features has been on the rise today. Factors like sensitivity, response time, recovery rate, cost, size, ease of operation, and reliability play a crucial role in determining the quality of a ...
Ganesapillai, Mahesh,   +2 more
core   +1 more source

Boosting Electrochemical Nitrogen Reduction Performance over Binuclear Mo Atoms on N-Doped Nanoporous Graphene: A Theoretical Investigation

open access: yesMolecules, 2019
Exploration of efficient catalysts is a priority for the electrochemical nitrogen reduction reaction (NRR) in order to receive a high product yield rate and faradaic efficiency of NH3, under ambient conditions.
Ruijie Guo   +3 more
doaj   +1 more source

Lithiated Prussian blue analogues as positive electrode active materials for stable non-aqueous lithium-ion batteries

open access: yesNature Communications, 2022
Prussian blue analogues (PBAs) are appealing materials for aqueous Na- and K- ion batteries but are limited for non-aqueous Li-ion storage. Here, the authors report the synthesis of various lithiated PBAs and discuss critical factors for improving the ...
Ziheng Zhang   +5 more
doaj   +1 more source

Recent advances: Biomass-derived porous carbon materials

open access: yesSouth African Journal of Chemical Engineering, 2023
Biomass-derived porous carbon materials are a new type of popular environmentally friendly materials that have attracted researchers worldwide attention due to their well-developed and easy control pore structure, high specific surface area, higher ...
Bakhytzhan Lesbayev   +6 more
doaj   +1 more source

Porous Carbon–Carbon Composite Materials Obtained by Alkaline Dehydrochlorination of Polyvinyl Chloride

open access: yes, 2022
Porous carbon–carbon composite materials (PCCCM) were synthesized by the alkaline dehydrochlorination of polyvinyl chloride solutions in dimethyl sulfoxide containing the modifying additives of a nanostructured component (NC): graphite oxide (GO ...
Mikhail V. Trenikhin   +13 more
core   +1 more source

The Effect of an External Magnetic Field on the Electrochemical Capacitance of Nanoporous Nickel for Energy Storage

open access: yesNanomaterials, 2019
This work investigates the effect of a magnetic field on the electrochemical performance of nanoporous nickel (np-Ni). We first compare the electrochemical capacitance of np-Ni electrodes, which were prepared using the chemical dealloying strategy under ...
Haixia Zhang, Zhifei Han, Qibo Deng
doaj   +1 more source

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