Sfoglia per Soggetto "Electrolysis"
Items 1-15 di 15
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CO tolerance and durability study of PtMe(Me = Ir or Pd) electrocatalysts for H2-PEMFC application
(2021)In the present work, carbon supported PtMe (Me = Ir or Pd) electrocatalysts, with different atomic ratios (Pt/Me (20 wt%) = 3:1, 1:1, 1:3), are thoroughly investigated towards CO tolerance and durability, as anode and ... -
Direct alcohol fuel cells: Challenges and future trends
(2011)Among the most considered future alternative energy conversion systems are fuel cells. A fuel cell is an electrochemical device that continuously and directly converts chemical energy to electricity with the most common ... -
Electrocatalytic production of hydrogen over highly efficient ultrathin carbon encapsulated S, P co-existence copper nanorods composite
(2020)Electrocatalysis plays a key role in energy conversion processes (such as hydrogen evolution reaction-HER) to several renewable energy technologies developed to reduce our dependence on fossil fuels. It is of great importance ... -
Enhanced hydrogen evolution activity over microwave-assisted functionalized 3D structured graphene anchoring FeP nanoparticles
(2019)Exploring low-cost and high-performance electrocatalysts for hydrogen evolution reaction (HER) still remains a challenging issue. An efficient strategy to enhance HER activity concerns with designing suitable substrates ... -
Mesoporous IrNiTa metal glass ribbon as a superior self-standing bifunctional catalyst for water electrolysis
(2022)Metallic glasses (MGs) only show single activity for water electrolysis and rarely show superior bifunctional activity for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). In this work, IrNiTa ... -
A new Dy-doped BaCeO3-BaZrO3 proton-conducting material as a promising electrolyte for reversible solid oxide fuel cells
(2016)The present work describes the features of the synthesis and physicochemical and electrical properties of a new Dy-doped BaCeO3-BaZrO3 proton-conducting electrolyte as well as its application in a reversible solid oxide ... -
Oxygen reduction and hydrogen oxidation reaction on novel carbon supported PdxIry electrocatalysts
(2018)In the present work Vulcan XC-72 carbon supported Pd, Ir and PdxIry (with x:y atomic ratios of 3:1, 1:1, 1:3) electrocatalysts are thoroughly investigated for the reactions of hydrogen oxidation (HOR) and oxygen reduction ... -
Oxygen Reduction Reaction over PtFeM (M = Mo, V, W) Alloy Electrocatalysts: Role of the Compressive Strain Effect on Pt
(2019)The high level loading requirement of platinum and the sluggish oxygen reduction kinetics - catalyzed by platinum-based electrocatalysts - create major bottlenecks for cost-effective application of fuel cell technology. ... -
Oxygen Vacancy and Core–Shell Heterojunction Engineering of Anemone-Like CoP@CoOOH Bifunctional Electrocatalyst for Efficient Overall Water Splitting
(2022)Constructing cost-efficient and robust bifunctional electrocatalysts for both neutral and alkaline water splitting is highly desired, but still affords a great challenge, due to sluggish hydrogen/oxygen evolution reaction ... -
PdxRuy/C binary catalysts for glucose electrooxidation
(2013)PdxRuy/C (x:y=1:2, 1:3, 2:1 and 3:1) electrocatalysts are prepared by a modified pulse microwave assisted polyol method and are studied for glucose electrooxidation in alkaline media. The effects of glucose's concentrations ... -
A review of the most efficient low-Pt and Pt-free electrocatalysts for hydrogen PEMFCs
(2013)The main target of the PEMFC's scientific community is to reduce the total Pt loading to ca. 150 g cm-2 MEA, maintaining simultaneously high PEMFCs performances. The last years, promising results have also been reported ... -
Selective electro-oxidation of dopamine on Co or Fe supported onto N-doped ketjenblack
(2022)Herein, we report the synthesis of Co and Fe supported onto N-doped ketjenblack (Co/KB-N and Fe/KB-N) electrocatalysts via a template-free synthesis method, using EDTA nitrogen precursor and oxidized carbon, and their ... -
Ternary Mo2NiB2 as a Superior Bifunctional Electrocatalyst for Overall Water Splitting
(2022)Transition metal borides are considered as promising electrocatalysts for water splitting due to their metallic conductivity and good durability. However, the currently reported monometallic and noncrystalline multimetallic ... -
Very low Pt-Pd based electrocatalysts for oxygen reduction reaction
(2015)In the present manuscript very low-platinum electrocatalysts, Pd97Pt3/C, Pd98Pt2/C, Pd99Pt1/C and pure Pd/C are prepared and examined for oxygen reduction reactions (ORR) with the rotating electrode technique. From the ... -
Worm-like S-doped RhNi alloys as highly efficient electrocatalysts for hydrogen evolution reaction
(2019)Precious metals are considered as the most efficient electrocatalysts for boosting the dynamic process of cathode in water electrolysis devices. Due to the large surface areas and the low coordination numbers of surface ...