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:
Apr. 25, 2017
Filed:
Jul. 25, 2012
Akitoshi Hayashi, Osaka, JP;
Masahiro Tatsumisago, Osaka, JP;
Akitoshi Hayashi, Osaka, JP;
Masahiro Tatsumisago, Osaka, JP;
Japan Science and Technology Agency, Saitama, JP;
Abstract
An all-solid-state secondary cell is provided comprising at least a positive electrode, a negative electrode and a solid electrolyte layer which is positioned between the positive electrode and the negative electrode. The positive electrode contains a positive electrode active material consisting of NaS(x=1 to 8) and the solid electrolyte layer contains an ion conductive glass ceramics represented by a formula (I): NaS-MS, wherein M is P, Si, Ge, B or Al; x and y each is an integer giving a stoichiometric ratio depending upon the type of M; and NaS is contained in an amount of more than 67 mole % and less than 80 mole %.