Lithium secondary battery for use in electric vehicle

Details Lithium secondary battery for use in electric vehicle Lithium secondary battery for use in electric vehicle

2005-12-06

2005-12-06

Barr, Michael (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S149000, C429S178000

Reexamination Certificate

active

06972164

ABSTRACT:
A lithium secondary battery for use in electric vehicle, includes: a battery case, and an electricity-generating body including a positive electrode, a negative electrode, and a separator, the positive and the negative electrode being wound or laminated via the separator so that the positive electrode and negative electrode are not brought into direct contact with each other. Each single battery has a ratio (X/E) of battery output X (W) and battery energy E (Wh), of 2 to 36 or a product (R×E) of battery internal resistance R (mΩ) and battery energy E (Wh), of 50 to 900 (mΩ·Wh). The lithium secondary battery is used in an electric vehicle as combined batteries formed by connecting a required number of the single batteries in series. The lithium secondary battery is designed so as to have a particular ratio of battery output and battery energy or a particular product of battery internal resistance and battery energy and thereby is capable of exhibiting performances necessary for electric vehicle, such as acceleration and the like when used as combined batteries obtained by connecting a required number of single batteries in series.

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