HITACHI : High-power and High-energy Lithium Secondary Batteries for Electric Vehicles

Volume 53 Number 4 November 2004

AUTHORS

Juichi Arai, Dr. Eng.	Dept. of Battery System Research, Hitachi Research Lab., Hitachi, Ltd.
Yasushi Muranaka, Dr. Eng.	Dept. of Battery System Research, Hitachi Research Lab., Hitachi, Ltd.
Mitsuru Koseki	System Design Center, Design and Development Div., Hitachi Vehicle Energy, Ltd.

OVERVIEW

Hitachi Group has long promoted the development of total technical solutions, in addition to individual products, such as motors, inverters, and batteries, with the objective of being a total solution partner in electric powertrain systems. Based on our extensive experience and achievements in battery systems for vehicles and industrial instruments, Hitachi Group is now active in the development of lithium secondary batteries, including their power source systems which are favorites for electric powertrains. To date, we have commercialized lithium secondary batteries; 1) for HEV (hybrid electric vehicles) with high I/O (input/output) properties; 2) for EV (electric vehicles) with capacities as high as 90 Ah; and, 3) for light vehicles that can accommodate both high output performances and high energy densities.

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RELEVANT SITES

	Yamaha Motor Co., Ltd. (Japanese Only)
	Automotive Systems
	The Hitachi Hyoron (Japanese Only)

KEYWORDS

lithium battery, lithium ion battery, HEV, EV, scooter

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