Rising to the Challenge – Rechargeable Battery SCiB™ with LTO Anode for 48V Mild Hybrid Vehicle Applications

Authors

Shigeru Shimakawa, Koji Ishiwa, Masahiro Sekino, Dr. Dai Yamamoto, TOSHIBA CORPORATION, Tokyo, Japan

Summary

There is a strong need in the automotive field for the reduction of carbon dioxide (CO2) in exhaust gases, one of the main causes of global warming. In particular, increasingly stringent regulations to reduce CO2 emissions will be implemented in Europe in 2021 [1]. Automobile manufacturers are therefore making efforts to further improve fuel consumption by developing technologies to enhance the performance of 48 V mild hybrid vehicles while suppressing increases in manufacturing costs. 
Toshiba Corporation has been developing a 5 Ah-class SCiB™ rechargeable lithiumion battery cell as an auxiliary power source for automobiles in order to make effective use of energy generated by the internal combustion engine (ICE) as well as regenerative energy produced during deceleration. We have conducted simulation tests using two models of 48 V mild hybrid vehicles equipped with the 5 Ah-class SCiB™ battery cell in accordance with the Worldwide Harmonized Light Vehicle Test Cycles (WLTC), and verified that this battery cell is effective in reducing CO2 emissions.

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