Of course, since the reduction is partly due to the shift from nickel-metal hydride batteries to more efficient li-ion packs, this is in some ways an apples-to-oranges comparision. The rare earth ...

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 ...

Metal hydride reactions can be used at temperatures below 0 °C ... the optimal operating conditions of the system can thus be investigated. Therefore, the energy reduction potential can be further ...