John A. Staser
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View article: Multiway Analysis of the Electrochemical Oxidation Pathway of a Lignin Using Chemometrics
Multiway Analysis of the Electrochemical Oxidation Pathway of a Lignin Using Chemometrics Open
The electrochemical oxidation mechanism of biopolymer lignin is challenging to characterize due to its complex structure. Controlling the oxidation process is crucial for ensuring the economic feasibility of electrochemical depolymerizatio…
View article: Anion Influence on Graphene Yield from Anodic Exfoliation of Coal-Derived Graphite: A Novel Precursor for Graphene Production
Anion Influence on Graphene Yield from Anodic Exfoliation of Coal-Derived Graphite: A Novel Precursor for Graphene Production Open
This study represents a significant advancement in graphene production through the electrochemical exfoliation of coal-derived graphite, focusing on anodic processes. Carbon foams, known for their lightweight structure and excellent electr…
View article: Multiway Analysis of the Electrochemical Oxidation Pathway of a Lignin Model Compound, Benzyl Phenyl Ether, with Chemometrics
Multiway Analysis of the Electrochemical Oxidation Pathway of a Lignin Model Compound, Benzyl Phenyl Ether, with Chemometrics Open
The economics of electrochemical depolymerization of lignin are most likely unfavorable without having control over the oxidation mechanism because many unwanted compounds are generated during depolymerization. Control over the depolymeriz…
View article: Batch-Prepared Carbon Foam Integrated with CVD Derived Photoactive MoS<sub>2</sub> for Electrocatalysis
Batch-Prepared Carbon Foam Integrated with CVD Derived Photoactive MoS<sub>2</sub> for Electrocatalysis Open
Molybdenum disulfide (MoS 2 ) is well-regarded as a viable alternative to Pt-based electrocatalysts, owing to its highly active edge sites, but its implementation is limited by poor electrical conductivity and low proportions of edge sites…
View article: Quantifying the Temperature Dependence of the Multi-Species, Multi-Reaction Model. Part 1: Parameterization for a Meso-Carbon Micro-Bead Graphite
Quantifying the Temperature Dependence of the Multi-Species, Multi-Reaction Model. Part 1: Parameterization for a Meso-Carbon Micro-Bead Graphite Open
In this work, the temperature impact on the Multi-Species, Multi-Reaction (MSMR) model is studied. This is accomplished by acquiring data from slow rate lithiation and delithiation of a meso-carbon micro-bead (MCMB) graphite. The MSMR mode…
View article: Quantifying the Temperature Dependence of the Multi-Species, Multi-Reaction Model: Part II. Estimation of Entropy Coefficient for Meso-Carbon Micro-Bead Graphite
Quantifying the Temperature Dependence of the Multi-Species, Multi-Reaction Model: Part II. Estimation of Entropy Coefficient for Meso-Carbon Micro-Bead Graphite Open
In Part 1 of this paper, the temperature impact on the Multi-Species, Multi Reaction (MSMR) model was studied. This was accomplished by acquiring data from slow rate lithiation and delithiation of a meso-carbon micro-bead (MCMB) graphite. …
View article: Corrigendum: Application of the Multi-Species, Multi-Reaction Model to Coal-Derived Graphite for Lithium-Ion Batteries [ J. Electrochem. Soc., 171, 023501 (2024)]
Corrigendum: Application of the Multi-Species, Multi-Reaction Model to Coal-Derived Graphite for Lithium-Ion Batteries [ J. Electrochem. Soc., 171, 023501 (2024)] Open
Acknowledgements: This was supported by the U.S. Department of Energy under Award Number DE-FE0032144, "Utilization of Carbon Supply Chain Wastes and Byproducts to Manufacture Graphite for Energy Storage Applications."
View article: Quantifying the Entropy and Enthalpy of Insertion Materials for Battery Applications Via the Multi-Species, Multi-Reaction Model
Quantifying the Entropy and Enthalpy of Insertion Materials for Battery Applications Via the Multi-Species, Multi-Reaction Model Open
The entropy coefficient of a battery cell is the property that governs the amount of reversible heat that is generated during operation. In this work, we propose an extension of the Multi-Species, Multi-Reaction (MSMR) model to capture the…
View article: Application of the Multi-Species, Multi-Reaction Model to Coal-Derived Graphite for Lithium-Ion Batteries
Application of the Multi-Species, Multi-Reaction Model to Coal-Derived Graphite for Lithium-Ion Batteries Open
Graphite is a critical material used as the negative electrode in lithium-ion batteries. Both natural and synthetic graphites are utilized, with the latter obtained from a range of carbon raw materials. In this paper, efforts to synthesize…
View article: Electrochemical Performance of ZIF-8 Coated Zn Anode in a Solid-State Zn Air Battery
Electrochemical Performance of ZIF-8 Coated Zn Anode in a Solid-State Zn Air Battery Open
The growing research on the application of flexible electronics, namely, flexible metal-air batteries has been evident throughout the recent decade. In this study, Zeolitic imidazolate framework-8 (ZIF-8) as a metal-organic framework was u…
View article: Biomass Electrochemical Reactor for Upgrading Biorefinery Waste to Industrial Chemicals and Hydrogen
Biomass Electrochemical Reactor for Upgrading Biorefinery Waste to Industrial Chemicals and Hydrogen Open
The goal of this project was to develop an electrochemical process for depolymerization of biorefinery lignin to industrial chemicals, most notably as replacements in resins. The project team consisted of Ohio University (lead organization…
View article: Low-Cost Nanostructured Electrocatalysts for Hydrogen Evolution in an Anion Exchange Membrane Lignin Electrolysis Cell
Low-Cost Nanostructured Electrocatalysts for Hydrogen Evolution in an Anion Exchange Membrane Lignin Electrolysis Cell Open
The aim of this study is to quantify the hydrogen production rate in an anion exchange membrane (AEM) lignin electrolysis cell. Two non-precious and nanostructured metal and metal oxide electrocatalysts were developed and used as the anodi…
View article: Biomass-Depolarized Electrolysis
Biomass-Depolarized Electrolysis Open
In this paper, we report on our recent efforts to develop a biomass-depolarized electrolyzer for efficient production of H2. Electrochemical oxidation of lignin-rich biorefinery waste streams can occur at lower overpotentials than those re…
View article: Solar Thermochemical Hydrogen (STCH) Processes
Solar Thermochemical Hydrogen (STCH) Processes Open
In order for hydrogen to play a key role in the move towards renewable energy, CO2-neutral hydrogen must be generated efficiently, inexpensively, and at a large scale. This article focuses on thermochemical water-splitting cycles, especial…
View article: Electrochemical UV Sensor Using Carbon Quantum Dot/Graphene Semiconductor
Electrochemical UV Sensor Using Carbon Quantum Dot/Graphene Semiconductor Open
Our group has developed an electrochemical UV sensor utilizing carbon quantum dots as the photoactive material functionalizing a graphene semiconductor layer. When used as a photoactive electrode in contact with a solid polymer electrolyte…
View article: Supercapacitor-Based Biosensor for Low Density Lipoprotein Detection
Supercapacitor-Based Biosensor for Low Density Lipoprotein Detection Open
The present work is focused on the fabrication and characterization of a novel supercapacitor-based biosensor for the detection and quantification of low density lipoprotein. More specifically, graphene oxide was functionalized with hyperb…
View article: Graphene Oxide–Polymer Nanocomposite Anion-Exchange Membranes
Graphene Oxide–Polymer Nanocomposite Anion-Exchange Membranes Open
Functionalized graphene oxide (FGO) was incorporated into polyvinyl alcohol/ poly(diallyldimethylammonium chloride) semi-interpenetrating polymer networks (PVA/PDA SIPNs) in order to create novel nanocomposite anion-exchange membranes (AEM…
View article: Mechanism of Electrochemical Hydrogenation of Epitaxial Graphene
Mechanism of Electrochemical Hydrogenation of Epitaxial Graphene Open
Mechanism of electrochemical hydrogen adsorption on epitaxial graphene (EG) was observed to be dependent on defects in EG as observed by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and Raman spectroscopy. To deter…