Browsing by Subject "Electrodes"
Now showing items 1-20 of 32
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Bifunctional catalysts for overall water splitting: CoNi oxyhydroxide nanosheets electrodeposited on titanium sheets
(2019)In this work, CoNi oxyhydroxide nanosheets [CoNi-OOH-30(40)] are synthesized, through two simple steps, as efficient bifunctional catalysts in alkaline media. First, a shape-controlled CoNi-X alloy (X denotes electrodeposition ... -
Bimetallic Ni‒Co phosphide nanosheets self-supported on nickel foam as high-performance electrocatalyst for hydrogen evolution reaction
(2019)In this work, bimetallic nickel-cobalt phosphide (Ni-Co-P/NF) self-supported on nickel foam (NF) is synthesized for hydrogen evolution reaction (HER). A two-step method of electrodeposition with subsequently low-temperature ... -
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 ... -
Cost Effective Synthesis of Graphene Nanomaterials for Non-Enzymatic Electrochemical Sensors for Glucose: A Comprehensive Review
(2022)The high conductivity of graphene material (or its derivatives) and its very large surface area enhance the direct electron transfer, improving non-enzymatic electrochemical sensors sensitivity and its other characteristics. ... -
Deposition and Characterization of Y-doped CaZrO3 Electrolyte Film on a Porous SrTi0.8Fe0.2O3-δ Substrate
(2016)The fabrication, the characterization and the electrochemical performance of a solid electrolyte film of Y-doped CaZrO3 deposited on a porous SrTi0.8Fe0.2O3-δ substrate are studied in the present work. A dense 6-μm-thick ... -
A detailed analysis of thermal and chemical compatibility of cathode materials for BaCeO3 and BaZrO3-based electrolytes for solid oxide fuel cell application
(2015)The identification of suitable cathode materials, which can be successfully used in unit SOFCs based on proton-conducting electrolytes during long-term stability and thermal cycling measurements is investigated in the ... -
A detailed analysis of thermal and chemical compatibility of cathode materials suitable for BaCe0.8Y0.2O3−Δ and BaZr0.8Y0.2O3−Δ proton electrolytes for solid oxide fuel cell application
(2017)The aim of this work is to identify suitable cathode materials for SOFCs based on proton-conducting electrolytes (SOFC-H+) in terms of long-term and thermal cycling stability along with a low polarization resistance. To ... -
The effect of anode bed geometry on the hydraulic behaviour of PEM fuel cells
(2016)The influence of the anode bed geometry on the hydraulic behaviour of PEM fuel cells is assessed. Three basic geometrical patterns are studied, namely the interdigitated, the parallel and the serpentine ones, in their ... -
Effect of nature of the ceramic component of the composite electrodes based on La<inf>1.7</inf>Ca(Sr)<inf>0.3</inf>NiO<inf>4+δ</inf> on their electrochemical performance
(2015)The manuscript focuses on the electrochemical performance of the La<inf>1.7</inf>Ca<inf>0.3</inf>NiO<inf>4+δ</inf> (LCNO) and La<inf>1.7</inf>Sr<inf>0.3</inf>NiO<inf>4+δ</inf> (LSNO) based composite cathodes with ... -
Efficient and Stable Carbon-coated Nickel Foam Cathodes for the Electro-Fenton Process
(2015)Carbon-coated nickel foam (C@NF) electrodes are prepared via a simple and effective method, hydrothermal-carbonization cycle coating process, characterized by scanning electron microscopy (SEM) with energy dispersive ... -
Efficient overall water splitting over Mn doped Ni2P microflowers grown on nickel foam
(2020)The efficient design of highly active, economical and stable electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in alkaline electrolyte still remains a great challenge. Herein, ... -
Electrocatalytic production of ammonia: Biomimetic electrode–electrolyte design for efficient electrocatalytic nitrogen fixation under ambient conditions
(2020)Electrocatalytic nitrogen reduction offers a vital approach for nitrogen fixation in a green and sustainable way, but the low solubility of nitrogen and the competitive hydrogen evolution reaction still impede its further ... -
Electronic modulation of cobalt phosphide nanosheet arrays via copper doping for highly efficient neutral-pH overall water splitting
(2020)We report here, an effective strategy to optimize the electronic structure of CoP using copper doping, for greatly enhancing the intrinsic activity and conductivity of CoP in neutral-pH water splitting. As a result, the ... -
Enhanced electrocatalytic overall water splitting over novel one-pot synthesized Ru–MoO3-x and Fe3O4–NiFe layered double hydroxide on Ni foam
(2021)Herein, two novel electrocatalysts are simultaneously grown on Ni foam (NF) through a one-step hydrothermal method. The as-prepared Ru–MoO3-x NF exhibits good performance for HER with low overpotentials of 12 mV at 10 mA ... -
Finite elements analysis of cylindrical copper shelled SLA electrodes
(2010)A cylindrical copper shelled SLA electrode was modelled and analysed using the finite element method. The thickness of the silver paint is assumed to be uniform and constant around the SLA epoxy core with a value of 15 ... -
Highly stable cathodes for proton exchange membrane fuel cells: Novel carbon supported Au@PtNiAu concave octahedral core-shell nanocatalyst
(2022)Despite the remarkable research efforts, the lack of ideal activity and state-of-the-art electrocatalysts remains a substantial challenge for the global application of fuel cell technology. Herein, is reported the synthesis ... -
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 ... -
Mg-ion diffusion on the surface of Ti3C2S2 MXene
(2022)Obtaining the structure of the Ti3C2S2 MXene using Density Functional Theory, we study here for the first time the adsorption and diffusion of an Mg ion on the surface of the MXene. We find a very strong adsorption and the ... -
New Electro-Fenton Gas Diffusion Cathode based on Nitrogen-doped Graphene@Carbon Nanotube Composite Materials
(2016)For the development of a highly active and energy-effective electro-Fenton process, a novel nitrogen-doped graphene@carbon nanotube composite material (N-G@CNT) is prepared, characterized, investigated for the oxygen ...