The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2009
Filed:
Nov. 21, 2003
Takefumi Okumura, Hitachi, JP;
Shin Nishimura, Hitachi, JP;
Norio Iwayasu, Hitachinaka, JP;
Shoichi Yokoyama, Yokohama, JP;
Takeshi Yabe, Kawasaki, JP;
Takefumi Okumura, Hitachi, JP;
Shin Nishimura, Hitachi, JP;
Norio Iwayasu, Hitachinaka, JP;
Shoichi Yokoyama, Yokohama, JP;
Takeshi Yabe, Kawasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The object of the present invention is to provide a lithium secondary battery of high output. According to the present invention, there is provided a lithium secondary battery having a positive electrode and a negative electrode which reversibly intercalate and deintercalate lithium and an electrolyte containing an ion conductive material and an electrolytic salt, where said electrolyte contains an electrolytic salt and a boron-containing compound represented by the following formula (1) or a polymer thereof, or a copolymer of the compounds of the following formulas (2) and (3).