Toyota Motor Corporation (TMC), Toyota Chemical Engineering Co., Ltd. (Toyota Chemical Engineering), Sumitomo Metal Mining Co., Ltd. (Sumitomo Metal Mining) and Primearth EV Energy Co., Ltd. (PEVE) have launched one of the world’s first business to recycle nickel in used hybrid-vehicle nickel-metal-hydride batteries for use in new nickel-metal-hydride batteries.
Previously, nickel-metal-hydride batteries recovered by car dealers and vehicle dismantling businesses were subjected to reduction treatment, and scrap containing nickel was recycled as a raw material for stainless-steel manufacturing. Now, with the development of high-precision nickel sorting and extraction technology, materials can be introduced directly into the nickel-refining process, thus achieving “battery-to-battery” recycling.
TMC has established the Toyota HV Call Center to help recover the batteries, constructed advanced recycling facilities designed for mass production in cooperation with Toyota Chemical Engineering, and is receiving support from Sumitomo Metal Mining concerning the refining of nickel for use in batteries. TMC is also receiving support from PEVE concerning quality assurance in the manufacture of hybrid-vehicle nickel-metal-hydride batteries.
TMC is currently investigating introducing this recycling system overseas.
Battery Resource Recycling Flow
A: Recovery and transport
B: Reduction and sorting process (Toyota Chemical Engineering)
C: Nickel refining process (Sumitomo Metal Mining)
D: Battery manufacturing (PEVE)
Source: www.toyota.com
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