ElectrocatalystsOverall water splittingDeveloping highly efficient overall water splitting (OWS) electrocatalysts based on noble-metal-free materials to produce fuel is stimulated by increasing concerns regarding global energy security and environment contamination. Tremendous accomplishments in the design and ...
Fig. 1. Schematic illustration showing the electronic structure regulation strategies for different noble metal-free electrocatalysts. 2. ORR and OER fundamentals 2.1. ORR mechanism Two reaction pathways for the ORR in alkaline electrolyte have been identified. One is the four-electron (4e−) path...
Noble Metal‐Free Oxidative Electrocatalysts: Polyaniline and Co(II)‐Polyaniline Nanostructures Hosted in Nanoporous Silica[J] . RafaelSilva,TewodrosAsefa.Adv. Mater. . 2012 (14)Silva, R., Asefa, T.: Noble metal-free oxidative electrocatalysts: polyaniline and Co(II)-polyaniline nanostructures ...
overall water splitting. This review emphasizes on current development in synthetic strategies and structure–property relationships of noble metal-free 2D carbon-based electrocatalysts, together with major challenges and perspectives of noble metal-free 2D carbon-based electrocatalysts for further electrochemic...
outperforming all previously reported noble-metal-free acidic OER electrocatalysts and even some noble metal-based electrocatalysts (Supplementary Table1). A one-time-constant model, consisting of solution resistance in series (Rs) with one parallel constant phase element-resistance (CPE-Rct) element, ...
Kumta1,2,3,5,6 Identification of low cost, highly active, durable completely noble metal-free electro-catalyst for oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells, oxygen evolution reaction (OER) in PEM based water electrolysis and metal air batteries remains ...
precious-metalandevennon-metalelectrocatalystsmakethereplacementofnoblemetal counterpartsforthehydrogenevolutionreaction(HER),oxygenevolutionreaction (OER),andoxygenreductionreaction(ORR)withearth-abundantelements,forexample, C,N,Fe,Mn,andCo,arealisticpossibility.Ithasbeenfoundthatsurfaceatomic engineering(e.g.,...
Kumta1,2,3,5,6 Identification of low cost, highly active, durable completely noble metal-free electro-catalyst for oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells, oxygen evolution reaction (OER) in PEM based water electrolysis and metal air batteries remains ...
ChemInform Abstract: Surface Coordination Chemistry of Noble-Metal Electrocatalysts: Oxidative Addition and Reductive Elimination of Iodide at Iridium, Platinum and Gold in Aqueous Solutions.polarization, electrode processes, photoelectrochemistrygold, Au...
Free MoS2 Nanoflowers Grown on Graphene by Microwave-Assisted Synthesis as Highly Efficient Non-Noble-Metal Electrocatalysts for the Hydrogen Evolution Rea... Chen, X. Liu, Free MoS2 nanoflowers grown on graphene by microwave-assisted synthesis as highly efficient non- noble-metal electrocatalysts for...