All-solid-state lithium secondary battery and method for producing the same
US10530015B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2012 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Dec 6, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An all-solid-state lithium secondary battery includes a positive electrode; a negative electrode; and a solid electrolyte arranged between the positive and negative electrodes, to conduct lithium ions. In the all-solid-state lithium secondary battery, a mixed layer is in close contact with a surface of the solid electrolyte adjacent to the positive electrode, the mixed layer containing the positive-electrode active material and (Lix(1−α), Mxα/β)γ+(B1−y, Ay)z+O2−δ (wherein in the formula, M and A each represent at least one or more elements selected from C, Al, Si, Ga, Ge, In, and Sn, α satisfies 0≤α<1, β represents the valence of M, γ represents the average valence of (Li+x(1−α), Mα), y satisfies 0≤y<1, z represents the average valence of (B1−y, Ay) and x, α, β, γ, z, and γ satisfy the relational expression (x(1−α)+xα/β)γ+z=2δ) serving as a matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.