The PhD and doctoral students will each receive a one-year $12,000 fellowship, along with mentoring from experts at UH and Chevron. Photo via UH.edu

The University of Houston has named eight graduate students to its first-ever cohort of UH-Chevron Energy Graduate Fellows.

The PhD and doctoral students will each receive a one-year $12,000 fellowship, along with mentoring from experts at UH and Chevron. Their work focuses on energy-related research in fields ranging from public policy to geophysics and math. The fellowship is funded by Chevron.

“The UH-Chevron Energy Fellowship program is an exciting opportunity for our graduate students to research the many critical areas that impact the energy industry, our communities and our global competitiveness,” Ramanan Krishnamoortil UH's Vice President for Energy and Innovation says in a statement.

“Today’s students not only recognize the importance of energy, but they are actively driving the push for affordable, reliable, sustainable and secure energy and making choices that clearly indicate that they are meaningfully contributing to the change,” he continues.

“We love that Chevron is sponsoring this group of fellows because it’s a fantastic way for us to get involved with the students who are working on some of the biggest problems we’ll face in society,” Chevron Technology Ventures President Jim Gable adds.

The 2023 UH-Chevron Energy Graduate Fellows are:

Kripa Adhikari, a Ph.D. student in the Department of Civil and Environmental Engineering in the Cullen College of Engineering. Her work focuses on thermal regulation in enhanced geothermal systems. She currently works under the mentorship of Professor Kalyana Babu Nakshatrala and previously worked as a civil engineer with the Nepal Reconstruction Authority.

Aparajita Datta, a researcher at UH Energy and a Ph.D. candidate in the Department of Political Science. Her work focuses on the federal Low-Income Home Energy Assistance Program (LIHEAP), a redistributive welfare policy designed to help households pay their energy bills. She holds a bachelor’s degree in computer science and engineering from the University of Petroleum and Energy Studies in India, and master’s degrees in energy management and public policy from UH. She also recently worked on a paper for UH about transportation emissions.

Chirag Goel, a Ph.D. student in materials science and engineering at UH. His work focuses on using High Temperature Superconductors (HTS) to optimize manufacturing processes, which he says can help achieve carbon-free economies by 2050. The work has uses in renewable energy generation, electric power transmission and advanced scientific applications.

Meghana Idamakanti, a third-year Ph.D. student in the William A. Brookshire Department of Chemical and Biomolecular Engineering. Her work focuses on using electrically heated steam methane for cleaner hydrogen production. She received her bachelor’s degree in chemical engineering from Jawaharlal Nehru Technological University in India in 2020 and previously worked as a process engineering intern at Glochem Industries in India.

Erin Picton, an environmental engineering Ph.D. student in the Shaffer Lab at UH. Her work focuses on ways to increase the sustainability of lithium processing and reducing wasted water and energy. “I love the idea of taking waste and turning it into value,” she said in a statement. She has previously worked in collaboration with MIT and Greentown Labs, as chief sustainability officer of a Houston-based desalination startup; and as a visiting graduate researcher at Argonne National Lab and at INSA in Lyon, France.

Mohamad Sarhan, a Ph.D. student and a teaching assistant in the Department of Petroleum Engineering. His work focuses on seasonal hydrogen storage and the stability of storage candidates during hydrogen cycling. He holds a bachelor’s degree and a master’s degree in petroleum engineering from Cairo University

Swapnil Sharma, a Ph.D. student in the William A. Brookshire Department of Chemical and Biomolecular Engineering. His work has been funded by the Department of Energy and focuses on thermal modeling of large-scale liquid hydrogen storage tanks. He works with Professor Vemuri Balakotaiah. He holds bachelor's and master’s degrees in chemical engineering from the Indian Institute of Technology (IIT). He also developed one of the world’s highest fiber-count optical fiber cables while working in India and founded CovRelief, which helped millions of Indians find resources about hospital beds, oxygen suppliers and more during the pandemic.

Larkin Spires, who's working on her doctoral research in the Department of Earth and Atmospheric Sciences in the College of Natural Sciences and Mathematics. Her work focuses on a semi-empirical Brown and Korringa model for fluid substitution and the ties between geophysics and mathematics. She works under Professor John Castagna and holds a bachelor’s degree in math from Louisiana State University and a master’s degree in geophysics from UH.

Earlier this month Evolve Houston also announced its first-ever cohort of 13 microgrant recipients, whose work aims to make EVs and charging infrastructure more accessible in some of the city's more underserved neighborhoods.

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Houston scientists develop 'recharge-to-recycle' reactor for lithium-ion batteries

reduce, recharge, recycle

Engineers at Rice University have developed a cleaner, innovative process to turn end-of-life lithium-ion battery waste into new lithium feedstock.

The findings, recently published in the journal Joule, demonstrate how the team’s new “recharge-to-recycle” reactor recharges the battery’s waste cathode materials to coax out lithium ions into water. The team was then able to form high-purity lithium hydroxide, which was clean enough to feed directly back into battery manufacturing.

The study has major implications for the electric vehicle sector, which significantly contributes to the waste stream from end-of-life battery packs. Additionally, lithium tends to be expensive to mine and refine, and current recycling methods are energy- and chemical-intensive.

“Directly producing high-purity lithium hydroxide shortens the path back into new batteries,” Haotian Wang, associate professor of chemical and biomolecular engineering, co-corresponding author of the study and co-founder of Solidec, said in a news release. “That means fewer processing steps, lower waste and a more resilient supply chain.”

Sibani Lisa Biswal, chair of Rice’s Department of Chemical and Biomolecular Engineering and the William M. McCardell Professor in Chemical Engineering, also served as co-corresponding author on the study.

“We asked a basic question: If charging a battery pulls lithium out of a cathode, why not use that same reaction to recycle?” Biswal added in the release. “By pairing that chemistry with a compact electrochemical reactor, we can separate lithium cleanly and produce the exact salt manufacturers want.”

The new process also showed scalability, according to Rice. The engineers scaled the device to 20 square centimeters, then ran a 1,000-hour stability test and processed 57 grams of industrial black mass supplied by industry partner Houston-based TotalEnergies. The results produced lithium hydroxide that was more than 99 percent pure. It also maintained an average lithium recovery rate of nearly 90 percent over the 1,000-hour test, showing its durability. The process also worked across multiple battery chemistries, including lithium iron phosphate, lithium manganese oxide and nickel-manganese-cobalt variants.

Looking ahead, the team plans to scale the process and consider ways it can sustain high efficiency for greater lithium hydroxide concentrations.

“We’ve made lithium extraction cleaner and simpler,” Biswal added in the release. “Now we see the next bottleneck clearly. Tackle concentration, and you unlock even better sustainability.

DOE taps Texas companies for $56M in Strategic Petroleum Reserve deliveries

reserve refill

Two companies with ties to the Houston area have been awarded federal contracts totaling nearly $55.8 million to supply about 1 million barrels of crude oil for the nation’s depleted Strategic Petroleum Reserve.

Houston-based Trafigura Trading will provide two-thirds of the oil, and Dallas-based Energy Transfer Crude Marketing will provide the remaining one-third. Energy Transfer, the parent company of Energy Transfer Crude Marketing, operates a 330-acre oil terminal at the Houston Ship Channel.

The U.S. Department of Energy (DOE), which awarded the contracts, said Trafigura and Energy Transfer will deliver the crude oil from Dec. 1 through Jan. 31 to the Strategic Petroleum Reserve’s Bryan Mound storage site near Freeport.

The Strategic Petroleum Reserve, the world’s largest emergency supply of crude oil, can hold up to 714 million barrels of crude oil across 61 underground salt caverns at four sites along the Gulf Coast. The reserve currently contains 410 million barrels of crude oil. During the pandemic, the Biden administration ordered a 180 million-barrel drawdown from the reserve to help combat high gas prices triggered by Russia’s war with Ukraine.

The four strategic reserve sites are connected to 24 Gulf Coast refineries, and another six refineries in Kentucky, Michigan and Ohio.

“Awarding these contracts marks another step in the important process of refilling this national security asset,” U.S. Energy Secretary Chris Wright said.

In March, Wright estimated it would take $20 billion and many years to fill the Strategic Petroleum Reserve to its maximum capacity, according to Reuters

.