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Nissan JV Certified for 2nd-Life EV Batteries
4R Energy, a joint venture between Nissan and Sumitomo, has become the first company to be certified by UL LLC for repurposing used electric vehicle batteries.
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4R Energy Corp., a joint venture between Nissan Motor Co. and Sumitomo Corp., has become the first company to be certified by Underwriters Laboratories for repurposing used electric vehicle batteries.
UL, a third-party testing and certification organization, issued its Standard for Evaluation for Repurposing Batteries last October. The standard, UL 1974, is designed to help evaluate a battery’s state of health and viability for continued use at the end of a vehicle’s life.
UL 1974 outlines how to sort and grade battery packs, modules and cells that were originally made for EVs and other applications. A performance-validated rating system then is used to identify potential secondary applications.
4R Energy was formed in 2010 and is owned 51% by Nissan and 49% by Sumitomo. The JV opened a plant in Japan last year to recycle and fabricate used lithium-ion batteries.
The recycled batteries are expected to be used in such applications as large-scale storage devices and electric forklifts.
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