UMD Breakthrough: 90-Second EV Charging Batteries to Revolutionize Green Transportation
August 15, 2024
Researchers at the University of Maryland (UMD) are pioneering advancements in electric vehicle (EV) battery technology, focusing on faster charging and longer-lasting batteries to help reduce greenhouse gas emissions.
By addressing key challenges such as charging speed, range, safety, and performance, UMD aims to make EVs more appealing and facilitate a transition to a decarbonized economy.
Among their innovations, UMD researchers are developing batteries that can charge in just 90 seconds, significantly surpassing current Department of Energy goals for fast charging.
A recent survey by Deloitte revealed that charging speeds and vehicle range are critical factors deterring potential EV buyers, highlighting the importance of UMD's research.
Despite the growth in EV sales, with 7.6% of new vehicle sales in the U.S. in 2023, many consumers remain hesitant due to concerns about charging infrastructure, particularly in low-income and rural areas.
Mark Eakin, a retired coral reef scientist, illustrated the limitations of current EV technology when he became the first known individual to tow a travel trailer coast-to-coast with an EV, encountering challenges related to range and charging.
Deb Niemeier, an expert in civil and environmental engineering, emphasizes that affordability and accessible charging are essential for marginalized groups to adopt EVs.
UMD researchers advocate for a virtuous cycle where technological advancements in EVs lead to a broader user base and improved charging infrastructure.
Current lithium-ion batteries face safety and performance limitations, prompting research into solid-state batteries that utilize nonflammable materials to enhance safety and energy density.
Chunsheng Wang's research at UMD focuses on overcoming dendrite growth in solid-state batteries and ensuring their effective operation in extreme temperatures.
Future battery technologies under development at UMD include innovations that utilize saltwater as an electrolyte and aim to replace lithium with more abundant materials.
Wachsman's solid-state battery design has garnered significant funding, aiming to accelerate the commercialization of safe, energy-dense batteries.
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Maryland Today • Aug 14, 2024
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