Researchers at Canada’s University of Waterloo have developed a new lithium-ion EV battery design that can charge from zero to 80% in just 15 minutes and has a longer lifespan.
The new design also allows batteries to handle up to 800 charging cycles, significantly increasing their lifespan.
Yverick Rangom, a professor in Waterloo’s Department of Chemical Engineering, said, “If we can make batteries smaller, charge faster, and last longer, we reduce the overall cost of the vehicle. That makes EVs a viable option for more people, including those who don’t have home charging stations or who live in apartments. It would also increase the value of second-hand EVs, making electric transportation more accessible.”
The secret sauce here is in the anode, which traditionally relies on graphite. The researchers designed a method to fuse graphite particles together to improve conductivity. This tweak enables lithium ions to move fast without causing typical degradation or safety hazards associated with fast charging.
What’s cool is that they didn’t reinvent the wheel in terms of materials; the team worked with the same lithium-ion components already used in EV batteries today.
“We’re just finding a better way to arrange the particles and providing new functions to the binders that hold them together such as state-of the-art electron, ion, and heat transfer properties,” explained Michael Pope, co-lead of the research and professor at Waterloo’s Ontario Battery and Electrochemistry Research Centre. “This approach ensures that the technology can be scalable and implemented using current production lines, offering a low-cost solution to battery manufacturers.”
The next step? The research team is optimizing the manufacturing process and putting prototypes to the test to gauge industry interest. The goal is to make sure this new battery design isn’t just effective – it has to be scalable and ready for widespread industry adoption.
“It’s crucial that it can be implemented within the existing infrastructure for both battery production and charging stations,” added Rangom, lead researcher for the Battery Workforce Challenge.
The University of Waterloo researchers’ findings are published in the journal Advanced Science.
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