Electrodeposition Techniques for Electrochemical Hydrogen Production
Summary
Electrodeposition offers a versatile route to fabricate tailored electrocatalysts for hydrogen production via water splitting. By controlling deposition parameters such as current density, electrolyte composition and additive chemistry, it is possible to engineer surface morphology, composition and porosity to enhance active area and catalytic efficiency. Template-assisted methods, including dynamic hydrogen bubble templating and dual-template strategies, generate hierarchical porous architectures that facilitate mass transport and bubble release. Innovations combining three-dimensional printing with metallisation allow the creation of mechanically robust electrodes with complex geometries. Fine-tuning of crystallisation dynamics through pH adjustment and chelating agents affords precise control over nanostructure and film compactness. Collectively, these advances reduce overpotentials, improve stability and accelerate proton reduction kinetics, underpinning scalable and sustainable green hydrogen generation essential to a carbon-neutral energy economy.
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Electrodeposition Techniques for Electrochemical Hydrogen Production publication trend
The graph below shows the total number of articles in electrodeposition techniques for electrochemical hydrogen production across all publications each year (not limited to Nature Index journals).
Technical terms
Electrodeposition: Electrochemical process in which metal ions in solution are reduced and deposited onto a conductive substrate under an applied current.
Hydrogen evolution reaction (HER): Cathodic half-reaction in water splitting involving the reduction of protons to molecular hydrogen.
Overpotential: Additional potential beyond the thermodynamic requirement needed to drive an electrocatalytic reaction at a specified rate.
Dynamic hydrogen bubble template (DHBT): Technique using in situ evolving hydrogen bubbles as transient templates to form porous metal deposits.
Electrocatalyst: Material that lowers the activation energy of an electrochemical reaction, enhancing reaction rate and selectivity.
References
- Influences of pH and EDTA Additive on the Structure of Ni Films Electrodeposited by Using Bubble Templates as Electrocatalysts for Hydrogen Evolution Reaction. Membranes (2021).
- Preparation of a Nickel Layer with Bell-Mouthed Macropores via the Dual-Template Method. Metals (2021).
- Highly Efficient Spatial Three-Level CoP@ZIF-8/pNF Based on Modified Porous NF as Dual Functional Electrocatalyst for Water Splitting. Nanomaterials (2023).
- Metallization of 3D Printed Polymers and Their Application as a Fully Functional Water‐Splitting System. Advanced Science (2019).
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