Results 51 to 60 of about 31,504 (300)

Effect of Copper Cobalt Oxide Composition on Oxygen Evolution Electrocatalysts for Anion Exchange Membrane Water Electrolysis

open access: yesFrontiers in Chemistry, 2020
Copper cobalt oxide nanoparticles (CCO NPs) were synthesized as an oxygen evolution electrocatalyst via a simple co-precipitation method, with the composition being controlled by altering the precursor ratio to 1:1, 1:2, and 1:3 (Cu:Co) to investigate ...
Chae-Yeon Kwon   +10 more
doaj   +1 more source

Fungi residue derived carbon as highly efficient hydrogen peroxide electrocatalyst

open access: yes, 2017
In electrochemical devices, the reduction of dissolved oxygen in electrolyte can achieve on-site production of hydrogen peroxide. The industrial viability of the process strongly depends on cathode electrocatalyst.
Li, Juntao   +4 more
core   +1 more source

Cu nanoparticles supported on graphitic carbon nitride as an\ud efficient electrocatalyst for oxygen reduction reaction [PDF]

open access: yes, 2017
High active and cost-effective electrocatalysts for the oxygen reduction reaction (ORR) are essential components of renewable energy technologies, such as fuel cells and metal/air batteries. Herein, we propose that ORR active Cu/graphitic carbon nitride (
Li, Henan   +11 more
core   +1 more source

Modulation of Co-N4 active sites in 1D-2D heterostructure as bifunctional electrocatalyst for nitrate and nitrogen reduction reaction [PDF]

open access: yes, 2022
Ammonia (NH3) is a key agricultural component and a source of clean energy as a hydrogen mediator. Ammonia is produced by Haber Bosch process, resulting in massive energy consumption and severe environmental impact.
Sourav, Paul   +5 more
core   +2 more sources

Electron‐Deficient Linkers Enhance H2O2 Electrosynthesis in Covalent Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
Linker π‐conjugation modulates the electronic state of the Ni–N4 centers and their interaction with the key *OOH intermediate while preserving the primary coordination motif. NiPc‐PTDA delivers an H2O2 selectivity of 92% and a production rate of 34.8 mol gcat−1 h−1, highlighting linker electronic properties as a molecular design parameter for NiPc ...
Houting Xie   +7 more
wiley   +1 more source

Advanced theoretical modeling methodologies for electrocatalyst design in sustainable energy conversion [PDF]

open access: yes
Electrochemical reactions are pivotal for energy conversion and storage to achieve a carbon-neutral and sustainable society, and optimal electrocatalysts are essential for their industrial applications. Theoretical modeling methodologies, such as density
Guo, Zhongyuan   +5 more
core   +1 more source

Fabrication of bifunctional membrane electrode assemblies for unitised regenerative polymer electrolyte fuel cells [PDF]

open access: yes, 2006
Bifunctional membrane electrode assemblies have been fabricated using a screen printing technique, which demonstrate a repeatable and stable operation to cell current and voltages.
Pettersson, J, Harrison, DJ, Ramsey, BJ
core   +1 more source

Architecture‐Driven Functional Coupling in Vertically Aligned Nanocomposites

open access: yesAdvanced Functional Materials, EarlyView.
Vertically aligned nanocomposites define a growth‐engineered architecture in which vertical interfaces, strain fields, defect pathways, and phase connectivity are created simultaneously. This review shows how these architectural features couple ferroic, optical, ionic, electrochemical, and device responses, establishing design rules and open challenges
Md Shatil Islam‐Shanto   +4 more
wiley   +1 more source

Platinum nanoparticles/functionalized carbon nanoparticles composites supported on the carbon-ceramic electrode and their electroactivity for ethanol oxidation [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2018
The electrocatalytic oxidation of ethanol was studied for the platinum nanoparticles/ functionalized carbon nanoparticles composites supported at the carbon-ceramic electrode (PtNPs/tosyl-CNPs/CCE) as an electrocatalyst in acidic medium.
biuck habibi, Hamideh Imanzadeh
doaj   +1 more source

Reduction Reaction Electrocatalyst

open access: yes, 2023
Electrochemical CO2 reduction reaction (CO2RR) is an important process which is a potential way to recycle excessive CO2 in the atmosphere. Although the electrocatalyst is the key toward efficient CO2RR, the progress of discovering effective catalysts is
Wei Zhang   +7 more
core   +1 more source

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