Results 31 to 40 of about 6,987,570 (253)

Nanosize control on porous β-MnO2 and their catalytic activity in CO oxidation and N2O decomposition [PDF]

open access: yes, 2014
A major challenge in the synthesis of porous metal oxides is the control of pore size and/or wall thickness that may affect the performance of these materials.
Ren, Yu   +5 more
core   +1 more source

Selective electrolysis of CO2 to CO on ultrathin In2Se3 nanosheets

open access: yesElectrochemistry Communications, 2019
Electroreduction of CO2 to fuels or valuable chemicals is a promising way to mitigate the greenhouse effect. Herein, ultrathin In2Se3 nanosheets are reported as a robust catalyst for CO2-to-CO conversion with a faradaic efficiency of 89% and a stable ...
Fang Lü   +7 more
doaj   +1 more source

Synthesis of porous carbon materials and their cycling properties in lithium-ion batteries

open access: yes上海师范大学学报. 自然科学版, 2023
Based on the development and research status of porous organic polymers and their derived carbon materials in anode materials of lithium-ion batteries, we explored a synthesis method of porous carbon nanospheres with controllable pore size.
TIAN Hanxiao   +6 more
doaj   +1 more source

Research Progress on Porous Carbon-Based Non-Precious Metal Electrocatalysts

open access: yes, 2023
The development of efficient, stable, and economic electrocatalysts are key to the large-scale application of electrochemical energy conversion. Porous carbon-based non-precious metal electrocatalysts are considered to be the most promising materials to ...
Tiehong Chen   +3 more
core   +1 more source

Tailoring nanoporous structures of Ge anodes for stable potassium-ion batteries

open access: yesElectrochemistry Communications, 2019
We present here for the first time the electrochemical behavior of germanium anodes in potassium-ion batteries (KIBs). Nanoporous germanium (np-Ge) samples were fabricated by the chemical-dealloying method using Al as the sacrificial metal. Galvanostatic
Qing Yang   +3 more
doaj   +1 more source

Transition-metal-based electrocatalysts for hydrazine-assisted hydrogen production

open access: yesMaterials Today Advances, 2020
Electrocatalytic water splitting is considered as the next-generation strategy for large-scale ultrapure hydrogen production. However, the high thermodynamic potential (1.23 V vs.
H. Liu, Y. Liu, M. Li, X. Liu, J. Luo
doaj   +1 more source

MOLYBDENUM DOPED CARBON AEROGELS WITH CATALYTIC POTENTIAL [PDF]

open access: yes, 2014
Mo-doped carbon aerogels were obtained in the polycondensation reaction of aqueous resorcinol and formaldehyde by adding Mo-salt at two different stages of the synthesis: i) to the initial sol; ii) by incipient wetting impregnation of the ...
Geissler, Erik   +10 more
core   +1 more source

TiO2-doped resorcinol–formaldehyde (RF) polymer and carbon gels with photocatalytic activity [PDF]

open access: yes, 2013
Resorcinol-formaldehyde (RF) polymer gels offer a relatively easy and versatile route for incorporating metals into a carbon aerogel matrix. The hybrid materials thus obtained are ideal candidates for applications involving enhanced adsorption or ...
Geissler, Erik   +5 more
core   +1 more source

Heat and Mass Transfer in Porous Materials

open access: yes, 2023
Currently, porous materials (PM) are actively used in many fields of science and technology, and the processes of heat and mass transfer in porous materials underlie a wide variety of industrial technologies [...
Anatoliy Pavlenko
core   +1 more source

The Mechanical Effect of MnO2 Layers on Electrochemical Actuation Performance of Nanoporous Gold

open access: yesNanomaterials, 2020
This study investigated the electrochemical actuation behavior of nanoporous material during the capacitive process. The length change of nanoporous gold (npg) was in situ investigated in a liquid environment using the dilatometry technique.
Zhifei Han   +4 more
doaj   +1 more source

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