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:
Sep. 16, 1980
Filed:
Jul. 02, 1979
Barry E Taylor, Youngstown, NY (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Na.sup.+ -conducting glass and glass-ceramic of the composition comprising aNa.sub.2 O, bSiO.sub.2, cM.sub.2 O.sub.3, dM'O.sub.2 and eM'O wherein, based on the combined molar amounts totaling 100%, a is 32-41 mole %, b is 50-58 mole %, the ratio a/b is 0.575/1 to 0.760/1, c is 0-8 mole %, d is 0-7 mole %, e is 0-17 mole %, 2c+d+e is at least 8.7 mole %, M is one or more elements selected from the group consisting of the rare earth elements, yttrium and iron, M' is Zr or Hf and M' is Mg, Ca, Sr or Ba, Na.sup.+ -conducting composition having the substantially cubic crystalline structure of the formula Na.sub.9-x-n-z/2 M.sub.1+x/3-2y-n-z/2 M'.sub.y+n M'.sub.y+z Si.sub.6 O.sub.18 wherein M, M' and M' are as defined above, x is 0 to 1.5, y is 0 to 0.5, z is 0 to 2.0, n is 0 to 0.5, y+n.ltoreq.0.5 and y+z.ltoreq.2.0 and the use of said glass, glass-ceramic and crystalline cubic material as a solid electrolyte.