Kody D Wolfe

Combined Nitrogen and Phosphorous Recovery via Electrochemical Technology Integration into Municipal Wastewater Treatment Plants

USDOE Office of Energy Efficiency and Renewable Energy (EERE), Damilola A. Daramola, USDOE Office of Critical Minerals and Energy Innovation (CMEI), Office of Innovation, Affordability, and Consumer Choice (IACC). Industrial Technologies Office (ITO), Ohio Univ., Athens, OH (United States) et autres

This project developed electroN-P, an electrochemical technology for recovering nitrogen and phosphorus as a fertilizer product from anaerobic digester centrate, targeting an advancement from TRL 4 to 6. The reactor was scaled 220× from a 250 mL batch cell to a continuous …

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Understanding Temperature-Dependent Behavior of Coal-Derived Graphite for Lithium-Ion Batteries

Abigail Paul, Kody D Wolfe, Jeffrey S. Lowe, John A. Staser et autres

As the demand for lithium-ion batteries grows with the shift to electrification and renewables, the need for the critical minerals used in these batteries is also expected to grow. Because of this, there is a push to secure a domestic supply of …

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Electrochemical Nutrient Recovery for the Food–Energy–Water Nexus at Municipal Wastewater Facilities: Multivariate Analyses of Seasonal Sampling and Reactor Performance

Sana Heydarian, Lawrence O. Ajayi, Syed Asad Abbas, Kody D Wolfe et autres

High Resolution Image Download MS PowerPoint Slide Digester-equipped municipal wastewater facilities generate recycle streams with high nutrient loads that increase energy consumption and can cause environmental pollution. The reduction of these loads through electrochemical nutrient recovery (ENR) could enhance the food–energy–water nexus …

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Investigation of "Transfer-Lithiation" in Anodes Containing Silicon Nanoparticles and Coal-Derived Soft Carbon

Ashleigh Clabaugh, Kody D Wolfe

Utilizing multiple active materials is one method for increasing the gravimetric capacity of lithium-ion battery anodes while balancing material-based tradeoffs for high-performing battery technologies. Silicon is a popular anode material due to its high capacity. However, when paired with graphite, silicon often …

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Graphene Production Via Anodic Exfoliation of Coal-Derived Graphite: Influence of Sulfate and Chloride Electrolytes

Fereshteh Salimi Nanadegani, Kody D Wolfe, John A. Staser

Graphene is an emerging material for a range of applications including energy storage in supercapacitors [1]. This study advances top-down graphene production through the electrochemical exfoliation of coal-derived graphite carbon foams. Electrochemical exfoliation is achieved via irreversible intercalation of ions into graphite …

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Coal-Derived Soft Carbon Anodes with Silicon Nanoparticles for Lithium-Ion Batteries

Ashleigh Clabaugh, Kody D Wolfe

The high-power demands of handheld power tools and portable domestic appliances necessitate low-cost battery materials with high capacities and high-rate capabilities. Graphite is currently the primary commercial anode material; however, silicon has a much higher capacity (4200 mAh/g vs. 372 mAh/g) but …

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Graphene from Coal-Derived Graphite: Electrochemical Exfoliation for Electrochemical Energy Storage

Fereshteh Salimi Nanadegani, Kody D Wolfe, John A. Staser

With the increasing global demand for advanced carbon and energy storage materials, finding economic processes for graphene production is of significant interest. Electrochemical exfoliation of graphite is an economic, top-down method for producing graphene. This study investigates the use of coal-derived graphitic …

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Development of Coal-Derived Graphite for Electrochemical Energy Storage Systems

Abigail Paul, Isabel Baca, Nathan Wichert, Warren Wilczewski et autres

The increasing demand for energy storage systems such as Li-ion batteries requires an increasing supply of critical minerals such as graphite. Graphite is the predominant anode material due to its high theoretical capacity, electrochemical stability and long cycle life. In an effort …

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A Porous Electrode Model for Coal-Derived Graphite

Jeff Lowe, Abigail Paul, Kody D Wolfe, John A. Staser et autres

As the automotive industry shifts towards electrified vehicles, there is a similar shift in the source of raw materials needed to sustain this new technology. One promising approach to meet the unique materials demand is to produce graphite from domestic coal feedstocks. …

Physical and Electrochemical Characterization of Coal-Derived Graphite in Lithium-Ion Batteries

Abigail Paul, Isabel Baca, Nathan Wichert, Warren Wilczewski et autres

As the demand for lithium-ion batteries grows with the shift to electrification and renewables, the need for the critical minerals used in these batteries is also expected to grow. Because of this, there is a push to secure a domestic supply of …

Coal-Derived Materials for Electrochemical Energy Storage

Fereshteh Salimi Nanadegani, Rudolph Olson, Natasha L. Smith, Joe Sleppy et autres

The demand for carbon-based energy storage materials is growing as renewable energy production and electrification expand worldwide. The types of carbon-based energy storage materials are as diverse as the systems in which they operate. The source of these materials is also of …

Impact of Ball Milling on Electrochemical Performance in Coal-Derived Graphite

Abigail Paul, Isabel Baca, Nathan Wichert, Warren Wilczewski et autres

As the shift to renewables continues, new sources of critical materials such as graphite are needed. One potential feedstock being investigated is coal. Coal-derived graphite shows promise as an anode material for Li-ion batteries1. In this work, a white forest coal-derived graphite …