1.7 Times Better Energy Efficiency Than Lithium-Ion

The SCiB utilizes Toshiba's proprietary materials for its anode. In addition to enabling rapid charging, it boasts excellent longevity and is resistant to degradation even when driven in harsh conditions, such as at low temperatures. Performance evaluations conducted by Toshiba show that battery modules equipped with SCiB offer approximately 1.7 times better energy efficiency (an indicator of driving distance per unit of battery capacity, equivalent to fuel economy for gasoline cars) compared to conventional lithium-ion batteries. This allows for a reduction in the required battery capacity, contributing to lower vehicle prices.

When charging at the maximum current of the "CHAdeMO" rapid charging standard, which is being standardized domestically, a 10kWh battery capacity can achieve 80 percent charge in 15 minutes, 50 percent in 10 minutes, and approximately 25 percent in 5 minutes. The SCiB can be charged in about half the time required by conventional lithium-ion batteries.

MINICAB-MiEV

Photo left: SCiB-equipped automotive battery module, Photo right: SCiB 20Ah cell

Furthermore, the SCiB generates less heat during charging, which can reduce the energy required for cooling the battery module. Additionally, repeated charging and discharging cycles of SCiB battery modules allow for more than 2.5 times the usage of conventional lithium-ion batteries, suggesting potential for reuse in the future. The SCiB also enables rapid charging and driving even in extreme cold environments down to minus 30 degrees Celsius, ensuring safe use during winter.

This official adoption is a testament to the high evaluation of its superior charging and driving performance. Mitsubishi Motors plans to launch a model equipped with the SCiB for the "i-MiEV" this summer, priced under 2 million yen, and will also adopt the SCiB for the "MINICAB-MiEV," scheduled for release in winter 2011.