Dahyun Oh, associate professor of materials engineering, in the Energy Materials Lab with students. Her Energy Materials Lab will “contribute to the understanding of the interface between aqueous electrolytes and electrodes” for the Aqueous Battery Consortium. Photo by Robert C. Bain. Contact online >>
Dahyun Oh, associate professor of materials engineering, in the Energy Materials Lab with students. Her Energy Materials Lab will “contribute to the understanding of the interface between aqueous electrolytes and electrodes” for the Aqueous Battery Consortium. Photo by Robert C. Bain.
San José State recently joined the Aqueous Battery Consortium, an energy hub research project supported by the Department of Energy (DOE) and led by Stanford University and SLAC National Accelerator Laboratory. The project aims to find a reliable, sustainable way to store electricity, partially by creating a rechargeable battery made mostly of water (the "aqueous" part of the consortium) and other abundant materials.
The project may receive up to $62.5 million over five years as part of the DOE''s Energy Innovation Hubs program.
Current aqueous batteries, including lead-acid batteries, don''t hold much energy, and the lead they contain is harmful. Lithium-ion batteries, another current option, aren''t cost-effective. This new consortium aims to make the new batteries more environmentally safe, much cheaper to produce and more efficient.
The team consists of 31 leading battery scientists, engineers and physicists from 12 universities in North America, as well as from SLAC, the U.S. Army Research Lab and the U.S. Naval Research Lab.
San José State''s contribution to the project comes through Dahyun Oh, associate professor of materials engineering. She is on two of the nine teams that structure the project: the interface team and the team on materials design and synthesis.
She adds, "My lab, the Energy Materials Laboratory, will contribute to the understanding of the interface between aqueous electrolytes and electrodes. In batteries, interfaces play a crucial role in enabling battery reactions, and the interfacial behavior with aqueous electrolytes is less understood compared to organic electrolyte systems."
Her team feels "grateful and fortunate" to be included in this effort, which she believes will help people "recognize the potential of SJSU, its faculty and its students."
"This is an absolutely groundbreaking opportunity for my career, as well as for the SJSU students who will join this project," she says. "Collaborative research is especially important for students at minority-serving institutions (MSI), as they have fewer opportunities to engage with graduate or postgraduate-level researchers. This consortium will provide a golden opportunity for students to learn, engage, develop research skills and build networks."
After all, a next-generation, environmentally-friendly battery could help power the world, and SJSU will be an integral part of this effort. As Oh concludes, "We have numerous opportunities to offer, and our national recognition continues to grow."
Learn more about the Aqueous Battery Consortium.
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Washington Square: the Magazine
On Tuesday, the city council approved four contracts worth an estimated $530 million to build out the city''s battery storage to access and store more solar energy through its San Jose Clean Energy utility. It’s the start of a significant series of renewable energy contracts coming before councilmembers in the next few months. This massive investment in renewable energy is expected to keep the city on track to meet its carbon neutral goal by 2030.
“What (San Jose Clean Energy) has already accomplished in terms of being able to provide electricity that is 95% (greenhouse gas) free and now we’re going to create a carbon-free grid 15 years ahead of the state goal,” Mayor Sam Liccardo said. “I think that’s pretty tremendous.”
Being carbon neutral by 2030 means San Jose intends to offset its carbon dioxide emissions through alternative means, such as producing more electricity from solar panels and encouraging more residents to drive electric vehicles instead of gas-powered vehicles. It’s certainly an ambitious goal, with other big cities like New York City aiming to be carbon neutral by 2050. California hopes to do the same by 2045.
Zach Struyk, assistant director of San Jose Clean Energy, said the city is moving closer to the halfway mark. The city currently produces 500 megawatts of renewable energy, and the new contracts add about 100 more megawatts. San Jose needs 1,700 megawatts of renewable resources to be carbon neutral.
“These contracts are incremental, but it gives us access to new sources,” Struyk told San José Spotlight. “And there is a lot more to come really soon.”
Solar power—and the batteries to store it—is the biggest source of renewable energy the city is planning to build out, comprising 41% of predicted energy production. San Jose also plans to invest more in wind, geothermal energy and natural gas. Hydroelectric power is the only renewable source the city is not exploring because the region already struggles with drought.
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