Solid-state electrolyte, solid-state battery including the electrolyte, and method of making the same

US11588177B2 · kind B2 · utility

Assignees

• SAMSUNG ELECTRONICS CO., LTD. · KR
• The Regents of the University of California · US

Inventors

• Yan Wang · Brookline, US
• Lincoln Miara · Lincoln, US
• Yihan Xiao · Berkeley, US
• Gerbrand Ceder · Wellesley, US
• Bin Ouyang · Richmond, US
• Yingzhi Sun · Mountain View, US

Key dates

• Filing date: Jan 4, 2021
• Grant date: Feb 21, 2023
• Expiry date: May 31, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A solid-state ion conductor includes a compound of Formula 1: Li6+(5−a)x−b*y−z(c+2)wA1−x(M1)ax(M2)byO5−z−wX1+zQcw  Formula 1 wherein, in Formula 1, A is an element having an oxidation state of +5, M1 is an element having an oxidation state of a, wherein a is +2, +3, +4, +6, +7, or a combination thereof, M2 is an element having an oxidation state of b, wherein b is +1, +2, or a combination thereof, X is an element having an oxidation state of −1, Q is an element having an oxidation state of c, wherein c is less than −2, and wherein −2≤(5−a)x−b*y−z−(c+2)w≤2, 0≤x≤0.5, 0≤y≤0.5, −1≤z≤1, 0≤w≤0.5.