Themed collection Virtual Collection—Electrocatalysis

Strategies for enhancing the performance of nickel single-atom catalysts for the electroreduction of CO₂ to CO.

Achieving single-atom dispersion of metal active components remains daunting. Here, we summarized several key synthesis methods and applications of high-loading SACs, hoping to highlight important research areas for future development.

Three approaches for enhancing OER activity and selectivity for hydrogen production in seawater electrolysis.

Various strategies for optimization of Ir-based OER catalysts are summarized, including elemental doping, surface engineering, atomic utilization and support engineering.

This minireview focuses on the synthesis of core–shell nanostructured magnesium-based materials to achieve hydrogen storage performances and analyses the mechanistic effects of this unique structure.

The recent progress in multicomponent catalyst design for CO₂/N₂/NO_x electroreduction is summarized from three models.

Two-dimensional catalysts enable low-voltage hydrogen production via pollutant oxidation, offering a dual benefit of energy-efficient electrolysis and simultaneous environmental remediation guided by thermodynamic insights.

Chemical-assisted water electrolysis is gaining attraction as an alternative to conventional water electrolysis to produce hydrogen, but high overpotential is a major challenge. This review covers advanced strategies to reduce the operation voltage.

The progress of the electrochemical CO₂ reduction based on Bi-based catalysts is reviewed and the strategies for performance improvements are highlighted.

Molten salt electrochemical system towards carbon deposition.

This review discusses the recent advances in the field of the Li-mediated electrocatalytic dinitrogen reduction reaction along with the latest insights into the proposed catalytic mechanisms, electrocatalysts, and electrolytes.

This review discusses the OER reaction mechanism (AEM and LOM) and the research progress of MnO₂-based OER catalysts. The optimization strategy of MnO₂-based catalysts was summarized.

Proton exchange membrane fuel cells (PEMFCs) have great potential to become the next generation green energy technique, but its application is limited by the slow kinetics of the cathode oxygen reduction reaction (ORR) in acidic medium.

Evaluation for electrochemical CO₂ reduction to C1 with Ionic liquids.

Recent progress of metal–organic framework (MOF) based catalysts in the electrocatalytic hydrogen evolution reaction, hydrogen oxidation reaction, oxygen evolution reaction, oxygen reduction reaction and nitrogen reduction reaction is summarized.

Hydrophobic microenvironment engineering on Cu₂O via alkyl-imidazolium ionic liquids boosts electrochemical CO₂ reduction (CO₂RR), achieving 63.3% (alkaline) and 30.7% (acidic) C₂ selectivity.

This work designed various 3d transition metal heterometal atom pairs (TMNi) supported on C₂N through DFT calculations, systematically investigating their potential to enhance the electrocatalytic urea oxidation activity.

Amorphous NiFe oxides simplistically synthesized through the sol–gel method with varying Ni/Fe ratios demonstrated remarkable electrocatalytic performance towards the oxygen evolution reaction in an anion exchange membrane water electrolyzer.

Compared with NiCo-LDH, the as-obtained Ti-doped NiCo-LDH with abundant M–O–Ti (M = Ni, Co) bonds and oxygen vacancies exhibits excellent oxygen evolution reaction performance and water splitting activity.

The membrane-free sequential paired electrolysis over a self-supported PbO₂/CF electrode achieves the high-performance electrosynthesis of 1,4-hydroquinone from phenol.

An optimized potential window for efficient platinum electrodissolution, the first step of a Pt recycling process, is proposed.

In situ PM-IRRAS provides information about the reaction products of ammonia electrooxidation on the surface of Pt/C nanoparticles and in the bulk of electrolyte.

HER electrocatalysts were synthesized starting from metal-phthalocyanine. The higher pyrolysis temperature is beneficial and associated with the formation of nanoparticles. The addition of the second and third metal is also beneficial for HER.

A three-dimensional carbon nanofiber (CNF) with a high graphitization degree was fabricated via high temperature treatment of polyaniline network. The CNF-1200 used as platinum-based catalyst ORR support exhibited excellent corrosion resistance.