David P. Wilkinson
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View article: Electrocatalytic TEMPO-mediated oxidation of cellulose nanocrystals: gaining a mechanistic understanding
Electrocatalytic TEMPO-mediated oxidation of cellulose nanocrystals: gaining a mechanistic understanding Open
Electrocatalytic (2,2,6,6-tetramethylpiperidin-1-yl)oxyl (TEMPO) and 4-acetamido TEMPO-mediated oxidation were used in the regioselective functionalization of cellulose nanocrystals (CNCs) to achieve tunable carboxyl and aldehyde contents.…
View article: Influence of potential on the adsorption of a material binding peptide on Au via EIS and in-situ fluorescence imaging
Influence of potential on the adsorption of a material binding peptide on Au via EIS and in-situ fluorescence imaging Open
View article: Selectivity Study of Direct Seawater Electrolyzer Anode Catalysts Using the Rotating Ring-Disc Electrode Method
Selectivity Study of Direct Seawater Electrolyzer Anode Catalysts Using the Rotating Ring-Disc Electrode Method Open
Seawater electrolysis suffers from many issues that must be resolved before the technology can be scaled. The corrosive hypochlorite formation at the anode can damage the electrode and other electrolyzer components. Furthermore, hypochlori…
View article: Corrosion of Lithium-ion Battery Cylindrical Cell Hardware: Understanding the Mechanisms and Exploring Effective Solutions
Corrosion of Lithium-ion Battery Cylindrical Cell Hardware: Understanding the Mechanisms and Exploring Effective Solutions Open
We present a detailed examination of Ni corrosion in lithium-ion battery Ni-coated steel cylindrical cell hardware, focusing on LiPF 6 -based electrolytes contaminated with water. The corrosion potential of the cell hardware is predominant…
View article: Impact of Electrolyte Volume on the Cycling Performance and Impedance Growth of 18650 Li-ion Cells
Impact of Electrolyte Volume on the Cycling Performance and Impedance Growth of 18650 Li-ion Cells Open
We provide compelling evidence that the cycling performance of 18650 Li-ion cells is adversely affected by excessive amounts of electrolyte volume, with a noticeable decline observed within the initial 30 cycles, particularly at higher dis…
View article: High‐Performance Reversible Oxygen Reduction/Evolution Gas Diffusion Electrodes with Multivalent Cation Doped Core‐Shell Mn/Mn<sub>3</sub>O<sub>4</sub> Catalysts
High‐Performance Reversible Oxygen Reduction/Evolution Gas Diffusion Electrodes with Multivalent Cation Doped Core‐Shell Mn/Mn<sub>3</sub>O<sub>4</sub> Catalysts Open
The development of precious‐metal‐free catalysts with bifunctional activities for both oxygen reduction and evolution reactions (ORR/OER) is crucial for the advancement of regenerative fuel cells and rechargeable metal−air batteries. Manga…
View article: Ammonium Crossover as a Function of Membrane Type and Operating Conditions in Flow Cells for Ammonia Synthesis and Water Treatment Applications
Ammonium Crossover as a Function of Membrane Type and Operating Conditions in Flow Cells for Ammonia Synthesis and Water Treatment Applications Open
View article: Suppressing Chemical and Galvanic Corrosion in Anode‐Free Lithium Metal Batteries Through Electrolyte Design
Suppressing Chemical and Galvanic Corrosion in Anode‐Free Lithium Metal Batteries Through Electrolyte Design Open
The advancement of anode‐free lithium metal batteries (AFLMBs) is greatly appreciated due to their exceptional energy density. Despite considerable efforts to enhance the cycling performance of AFLMBs, the understanding of lithium corrosio…
View article: Vanadium-Doped Ti<sub>4</sub>O<sub>7</sub> Porous Transport Layers for Efficient Electrochemical Oxidation of Industrial Wastewater Contaminants
Vanadium-Doped Ti<sub>4</sub>O<sub>7</sub> Porous Transport Layers for Efficient Electrochemical Oxidation of Industrial Wastewater Contaminants Open
Inexpensive electrode materials and effective cell designs are needed to advance electrochemical technologies for the oxidative treatment of wastewater. Novel vanadium-doped Ti 4 O 7 porous transport layers (PTLs) used in a compact wastewa…
View article: Insights into the Electrochemical Behavior of Manganese Oxides as Catalysts for the Oxygen Reduction and Evolution Reactions: Monometallic Core‐Shell Mn/Mn<sub>3</sub>O<sub>4</sub>
Insights into the Electrochemical Behavior of Manganese Oxides as Catalysts for the Oxygen Reduction and Evolution Reactions: Monometallic Core‐Shell Mn/Mn<sub>3</sub>O<sub>4</sub> Open
Overcoming the sluggish electrode kinetics of both oxygen reduction and evolution reactions (ORR/OER) with non‐precious metal electrocatalysts will accelerate the development of rechargeable metal‐air batteries and regenerative fuel cells.…
View article: Crossover, Volatilization, and Adsorption of Ammonium Ions in a Proton-Exchange Membrane Electrolyzer in Relation to Electrochemical Ammonia Production
Crossover, Volatilization, and Adsorption of Ammonium Ions in a Proton-Exchange Membrane Electrolyzer in Relation to Electrochemical Ammonia Production Open
View article: Modification of Cu current collectors for lithium metal batteries – A review
Modification of Cu current collectors for lithium metal batteries – A review Open
The energy density of lithium metal batteries (LMBs) could be much higher than that of current graphite anode-based LIBs. When a metallic current collector is used for plating/de-plating of lithium (i.e., anode-free lithium metal batteries…
View article: A new MgB<sub>2</sub> bulk ring fabrication technique for use in magnetic shielding or bench-top NMR systems
A new MgB<sub>2</sub> bulk ring fabrication technique for use in magnetic shielding or bench-top NMR systems Open
We report a new methodology in bulk MgB 2 ring production for use in small-scale magnetic shielding or bench-top nuclear magnetic resonance systems. This process is a modified field-assisted sintering technique (mFAST) which enables direct…
View article: Frequency Analysis of Water Electrolysis Current Fluctuations in a PEM Flow Cell: Insights into Bubble Nucleation and Detachment
Frequency Analysis of Water Electrolysis Current Fluctuations in a PEM Flow Cell: Insights into Bubble Nucleation and Detachment Open
A cross-shaped transparent electrolysis flow cell was designed to simultaneously perform polarization experiments to about 2 A cm −2 while monitoring the current response due to bubble formation and detachment. The flow cell was designed i…
View article: No Evidence of Benefits of Host Nano-Carbon Materials for Practical Lithium Anode-Free Cells
No Evidence of Benefits of Host Nano-Carbon Materials for Practical Lithium Anode-Free Cells Open
Nano-carbon-based materials are widely reported as lithium host materials in lithium metal batteries (LMBs); however, researchers report contradictory claims as to where the lithium plating occurs. Herein, the use of pure hollow core-carbo…
View article: Novel Dithiolene Nickel Complex Catalysts for Electrochemical Hydrogen Evolution Reaction for Hydrogen Production in Nonaqueous and Aqueous Solutions
Novel Dithiolene Nickel Complex Catalysts for Electrochemical Hydrogen Evolution Reaction for Hydrogen Production in Nonaqueous and Aqueous Solutions Open
Three molecular catalysts based on mononuclear nickel(II) complexes with square planar geometries, [BzPy] 2 [Ni(mnt) 2 ] ( 1 ), [BzPy] 2 [Ni(i-mnt) 2 ] ( 2 ), and [BzPy] 2 [Ni(tdas) 2 ] ( 3 ) (BzPy = benzyl pyridinium) are synthesized by t…
View article: Advanced titanium dioxide fluidizable nanowire photocatalysts
Advanced titanium dioxide fluidizable nanowire photocatalysts Open
Fluidization is known to minimize the adverse effects of mass-transfer, poor radiation distribution, parasitic back-reactions and photocatalyst handling, which limit the scalability of immobilized-film and suspended slurry photocatalysts.
View article: The Superior Electrical Conductivity and Anodic Stability of Vanadium-Doped Ti<sub>4</sub>O<sub>7</sub>
The Superior Electrical Conductivity and Anodic Stability of Vanadium-Doped Ti<sub>4</sub>O<sub>7</sub> Open
The effectiveness of Magnéli phase titanium oxides (TinO2n−1, 4 ≤ n ≤ 10), promising alternatives to carbon-based materials in aqueous electrochemical technologies, is limited by their instability at strongly oxidizing electrode potentials…
View article: Modified New Microporous Carbon Layer Structure for Improved PEM Fuel Cell Performance with Low-Pt Catalyst Loadings
Modified New Microporous Carbon Layer Structure for Improved PEM Fuel Cell Performance with Low-Pt Catalyst Loadings Open
Three types of commercial carbon black with different porosity and hydrophilicity were investigated at various conditions in a new architecture of microporous carbon layers where they are deposited directly on the low loading cathode catal…
View article: Imaging Heterogeneous Electrocatalyst Stability and Decoupling Degradation Mechanisms in Operating Hydrogen Fuel Cells
Imaging Heterogeneous Electrocatalyst Stability and Decoupling Degradation Mechanisms in Operating Hydrogen Fuel Cells Open
International audience
View article: The Thermal-Oxidation Behavior of Pristine and Doped Magnéli Phase Titanium Oxides
The Thermal-Oxidation Behavior of Pristine and Doped Magnéli Phase Titanium Oxides Open
Magnéli phase titanium oxides (Ti n O 2 n −1 , 4 ≤ n ≤ 10) are important materials for solid state and electrochemical technologies such as memristors, batteries, fuel cells, and electrochemical devices for water treatment. Developing an u…
View article: Deconvoluting Reversible and Irreversible Degradation Phenomena in OER Catalyst Coated Membranes Using a Modified RDE Technique
Deconvoluting Reversible and Irreversible Degradation Phenomena in OER Catalyst Coated Membranes Using a Modified RDE Technique Open
The suitability of the Thin-Film RDE (TF-RDE) technique to rigorously evaluate stability measurements for the oxygen evolution reaction (OER) was recently questioned. The main issue was the inability to deconvolute bubble blockage of catal…
View article: Circumneutral electrosynthesis of ferrate oxidant: An emerging technology for small, remote and decentralised water treatment applications
Circumneutral electrosynthesis of ferrate oxidant: An emerging technology for small, remote and decentralised water treatment applications Open
View article: Holistic Multi-scale Imaging of Oxygen Reduction Reaction Catalyst Degradation in Operational Fuel Cells
Holistic Multi-scale Imaging of Oxygen Reduction Reaction Catalyst Degradation in Operational Fuel Cells Open
Wide proliferation of low temperature hydrogen fuel cell systems, a key part of the hydrogen economy, is hindered by degradation of the platinum cathode catalyst. Here, we provide a device level assessment of the molecular scale catalyst d…
View article: Analytical quantification of aqueous permanganate: Direct and indirect spectrophotometric determination for water treatment processes
Analytical quantification of aqueous permanganate: Direct and indirect spectrophotometric determination for water treatment processes Open
View article: Production of Hydrogen Peroxide for Drinking Water Treatment in a Proton Exchange Membrane Electrolyzer at Near-Neutral pH
Production of Hydrogen Peroxide for Drinking Water Treatment in a Proton Exchange Membrane Electrolyzer at Near-Neutral pH Open
We provide a detailed report on the electrosynthesis of H 2 O 2 for drinking water treatment under near-neutral conditions using a proton exchange membrane (PEM) electrolyzer. Two novel cathode catalysts for O 2 electroreduction to H 2 O 2…
View article: A review of phosphorus and phosphides as anode materials for advanced sodium-ion batteries
A review of phosphorus and phosphides as anode materials for advanced sodium-ion batteries Open
A comprehensive summary of phosphorus and metal/nonmetal phosphides and corresponding composites as anodes for sodium-ion batteries.
View article: Advanced electrochemical oxidation for the simultaneous removal of manganese and generation of permanganate oxidant
Advanced electrochemical oxidation for the simultaneous removal of manganese and generation of permanganate oxidant Open
Emerging electrochemical systems, such as advanced electro-oxidation, provide a potentially powerful alternative to conventional oxidation processes which can often be unsuitable for small, remote and decentralised system applications.
View article: Recent Progresses in Oxygen Reduction Reaction Electrocatalysts for Electrochemical Energy Applications
Recent Progresses in Oxygen Reduction Reaction Electrocatalysts for Electrochemical Energy Applications Open
View article: Biogenic Photovoltaics: A Biogenic Photovoltaic Material (Small 26/2018)
Biogenic Photovoltaics: A Biogenic Photovoltaic Material (Small 26/2018) Open
Reliable generation and supply of clean energy is critical for de-carbonization of the economy, and solar energy is a leading candidate for achieving this goal. In article number 1800729, Sarvesh Kumar Srivastava, Vikramaditya G. Yadav, an…