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:
Nov. 05, 2002
Filed:
Apr. 25, 2000
Yasushi Inda, Sagamihara, JP;
Kazuo Ohara, Yokohama, JP;
Kabushiki Kaisha Ohara, Kanagawa-ken, JP;
Abstract
There is provided a glass-ceramic composite electrolyte including a medium containing glass-ceramic powder impregnated with a non-aqueous electrolytic solution. There is also provided a lithium secondary cell having a positive electrode, a negative electrode and a separator in which the separator includes the above described composite electrolyte. The glass-ceramic powder consists of grains having an average grain diameter of 20 &mgr;m or below (calculated on the basis of volume), a maximum grain diameter of 44 &mgr;m or below and lithium ion conductivity of 1×10 S·cm or over. The glass-ceramic composite electrolyte has thickness of 100 &mgr;m or below and lithium ion conductivity of 1×10 S·cm or over.