Results 11 to 20 of about 345,673 (301)

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

In situ preparation of gel polymer electrolyte for lithium batteries: Progress and perspectives

open access: yesInfoMat, 2022
The practical applications of Li‐ion batteries (LIBs) are challenged by their safety concerns when using liquid electrolytes (LEs). Solid‐state gel polymer electrolytes (GPEs) can address this challenge and have drawn increased attention recently ...
Chao Ma   +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

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

Acoustical properties of double porosity granular materials [PDF]

open access: yes, 2011
Granular materials have been conventionally used for acoustic treatment due to their sound absorptive and sound insulating properties. An emerging field is the study of the acoustical properties of multiscale porous materials.
Umnova, O, Venegas, R
core   +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

Towards commercial products by nanocasting : characterization and lithium insertion properties of carbons with a macroporous, interconnected pore structure [PDF]

open access: yes, 2012
Carbon materials with defined porosity are prepared using the nanocasting approach. The structural properties of the prepared carbon materials are examined by SEM, XRD, XPS, elemental analysis, nitrogen physisorption and Hg porosimetry.
Adelhelm, Philipp   +4 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

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