Hierarchically conductive electrodes unlock stable and scalable …
Nov 13, 2024 · Here we demonstrate a hierarchically conductive electrode architecture which overcomes these scaling limitations by employing inter-woven microscale conductors within a hydrophobic expanded...
Realizing ampere-level CO2 electrolysis at low voltage over a woven …
Feb 28, 2024 · Realizing ampere-level CO 2 electrolysis at low voltage over a woven network of few-atom-layer ultralong silverene nanobelts with ultrahigh aspect ratio by pairing with formaldehyde oxidation†
When Flooding Is Not Catastrophic─Woven Gas Diffusion Electrodes …
Dec 8, 2022 · Gas diffusion electrodes (GDEs) allow overcoming the limitations of CO 2 mass transfer but are sensitive to flooding from (hydrostatic) pressure differences, which inhibits upscaling. We investigate the effect of the flooding behavior on the CO 2 reduction performance.
Optimal electrode configuration and system design of compactly ...
Jan 1, 2024 · Three kinds of expanded meshes and fourteen kinds of nickel woven mesh with different characteristic parameters were tested on industrial system level equipment. Under different current densities, main electrode parameters and configuration suggestions are proposed to improve the electrolyzer performance.
Non-invasive current collectors for improved current-density
Oct 18, 2023 · To mitigate flooding and salt precipitation issues, researchers have used super-hydrophobic electrodes based on either expanded polytetrafluoroethylene (ePTFE) gas-diffusion layers (GDL’s), or...
(PDF) The Structural Effect of Electrode Mesh on Hydrogen …
Nov 19, 2021 · The nickel-based meshes with various structures such as woven mesh and expanded mesh are widely used as electrode in the AWE due to its common availability and easy fabrication. However, the...
When Flooding Is Not Catastrophic—Woven Gas Diffusion Electrodes …
Dec 12, 2022 · Gas diffusion electrodes (GDEs) allow overcoming the limitations of CO 2 mass transfer but are sensitive to flooding from (hydrostatic) pressure differences, which inhibits upscaling. We investigate the effect of the flooding behavior on the CO 2 reduction performance.
Woven Stainless-Steel Mesh as a Gas Separation Membrane for
May 23, 2020 · A 316-grade woven stainless-steel mesh membrane was investigated as a gas-separation membrane for alkaline water-splitting electrolysis. Its resistance was measured using electrochemical impedance spectroscopy (EIS) and linear sweep voltammetry (LSV), with the conclusion that it presented approximately half the resistance of a comparable ...
The Structural Effect of Electrode Mesh on Hydrogen Evolution …
We studied that the structural characteristics of the woven mesh and expanded mesh as a cathode electrode for alkaline water electrolysis. The junction segments and independent segments were important structure for the woven mesh, while the intersection segments and independent segments was considered in the expanded mesh.
Beyond molecular transformations in electrochemical porous solid ...
2 days ago · Research on membrane electrode assembly (MEA) electrolyzers has primarily focused on harnessing valuable molecular transformations at electrode surfaces, such as water splitting to produce green ...