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:
Jul. 02, 2002
Filed:
Jul. 15, 1999
Gaku Harada, Tokyo, JP;
Toshihiko Nishiyama, Tokyo, JP;
Masaki Fujiwara, Tokyo, JP;
Shinako Okada, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A multi layer electrolyte and a secondary cell using the multi layer electrolyte. The multi layer electrolyte comprises a solid electrolyte and other electrolyte such as gel electrolyte and/or electrolytic solution layer laminated on the solid electrolyte. The secondary cell using the multi layer electrolyte includes at least a positive electrode, a negative electrode and the multi layer electrolyte which comprises: a solid electrolyte layer; and at least one electrolyte layers selected from a gel electrolyte layer and an electrolytic solution layer and laminated on the solid electrolyte layer. By this structure, it is possible to use active material dissoluble in electrolytic solution as electrode active material and to realize a cell which can be quickly charged and discharged and which has superior capacity appearance rate and superior charge-discharge cycle characteristics.