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[B-17.3 A Research for Development of the System for Supplying, Running, and Recycling Batteries as Power Sources in Electric Vehicles]

[Contact Person]

Shunichi Higuchi
Head, Battery Section
Department of Energy Conversion
Osaka National Research Institute, AIST MITI
1-8-31 Midorigaoka, Ikeda, Osaka 563 Japan
Phone +81-727-51-9611, Fax +81-727-51-9623

[Total Budget for FY1991-1993]

32,858,000 Yen (FY1993 11,145,000 Yen)

[Abstract]

　Now we are in need to reduce the increasing carbon dioxide(CO₂) emission by introducing the electric vehicle(EV) which produces no CO₂ while running. In order to promote the mass-introducing of EV, we discussed about (1) the saving of the resources by improvement of the Ni-electrode and (2) the recycling system to supply Pb acid, Ni-Cd, Ni-Fe, and Ni-Zn batteries constantly.
　(1) Using α-Ni hydroxide leads the battery capacity to increase to be 1.6 times as much as β-Ni hydroxide battery. Further, mixing the small amount of Co and Zn hydroxide improved the reversibility in discharge and charge processes. (2) As required resources for EV is smaller than those for other uses except Cd, we have to recover and reproduce the waste of whole the way of use.

[Key Words]

Batteries for Electric Vehicle(EV), Recycling System, Saving of Resources, Improvement of Electrode Performance, Reproduction