Lithium Secondary Battery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20100248036A1
SERIAL NO

12695632

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A lithium secondary battery is intended to suppress deterioration upon storage at high temperature of 50° C. or higher without deteriorating the output characteristics at a room temperature.The battery includes a positive electrode capable of occluding and releasing lithium ions, a negative electrode capable of occluding and releasing lithium ions, a separator disposed between the positive electrode and the negative electrode and an electrolyte, in which the electrolyte contains a compound represented by formula (1)  (Formula 1)where R′ represents an alkyl group, R is selected from hydrogen, an alkyl group, an alicyclic group, and an aryl group, each of R′ and R may be identical or different from each other, the alkyl group has a straight or branched chain having fewer than 10 carbon atoms, and n is an integer of 1 to 3, and a compound having a polymerizable group in the molecule.

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Patent Owner(s)

Patent OwnerAddress
HITACHI VEHICLE ENERGY LTD1410 INADA HITACHINAKA-SHI IBARAKI-KEN 3128505

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuchi, Kunio Hitachiota, JP 5 77
Inoue, Ryo Hitachinaka, JP 73 646
Okumurai, Takefumi Hitachinaka, JP 1 3
Tsubouchi, Shigetaka Tokai, JP 13 33

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