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Cummins Inc. announced a multiyear partnership with the University of California San Diego and its battery validation lab to analyze business and technical approaches to reuse and repurpose electric vehicle batteries.

According to a press release, UC San Diego will perform accelerated testing, and will develop an outdoor second-life demonstration system comprised of Cummins battery modules. The collaboration will enable Cummins to acquire valuable data on the aging behaviors of its battery modules, test integration solutions for second-life battery systems, and validate stationary energy storage system performance under grid energy storage applications.

“Electrification has the potential to play an enormous role as we move toward decarbonization of many industries, but in order to maximize that potential, it’s crucial that we focus on the sustainability of the entire product life cycle,” said Julie Furber, vice president, electrified power for Cummins. “One piece of the puzzle that requires additional research is the second-life of batteries, and Cummins now has a highly-skilled and capable partner in UC San Diego as we move towards the development of reuse solutions.”

Batteries retired from electric vehicles still maintain significant battery capacity. While that capacity may no longer meet the minimum requirements for the initial application, they could provide sufficient capacity for less demanding applications. Repurposing batteries to less-demanding applications not only provides a higher value through the life of the battery, it increases sustainability by postponing recycling as well.

“Battery module design is a crucial aspect to making second-life more feasible and their experience will be invaluable as we continue to develop solutions,” said Mike Ferry, director of energy storage and systems at the Center for Energy Research, University of California San Diego. “Given their reputation, global footprint, and all they’ve accomplished in the last century, it’s a real privilege to partner with them on this project.”