Coating material for cathode active material in lithium batteries
US11522213B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 8, 2021 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Jul 10, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium battery comprises cathode active material comprising particles of a transition metal oxide, each particle coated in an ion-conducting material that has an electrochemical stability window against lithium of at least 2.2 V, a lowest electrochemical stability being less than 2.0 V and a highest electrochemical stability being greater than 4.2 V, the ion-conducting material selected from the group consisting of: Cs2LiCl3; Cs2LiCrF6; Cs2LiDyCl6; Cs2LiErCl6; Cs2LiGdCl6; Cs2LiLuCl6; Cs2LiNdCl6; Cs2LiPrCl6; Cs2LiScCl6; Cs2LiSmCl6; Cs2LiTbCl6; Cs2LiTmCl6; Cs2LiYCl6; Cs3Li2Cl5; Cs3LiCl4; CsLi2Cl3; CsLi3Cl4; CsLiBeF4; CsLiCl2; K10LiZr6H4O2F35; K2LiCeCl6; K2LiDyCl6; K2LiGdCl6; K2LiLaCl6; K2LiPrCl6; K2LiTbCl6; KLiDyF5; KLiErF5; KLiGdF5; KLiHoF5; KLiLuF5; KLiPH2O4F; KLiTbF5; KLiTmF5; KLiYF5; Li10Mg7Cl24; Li2B3O4F3; Li2B6O9F2; Li2BeCl4; Li2BF5; Li2CaHfF8; Li2MgCl4; Li2SiF6; Li2Ta2(OF2)3; Li2ZnCl4; Li2ZrF6; Li3AlF6; Li3ErCl6; Li3ScCl6; Li3ScF6; Li3ThF7; Li3YF6; Li4Be3P3BrO12; Li4Be3P3ClO12; Li4ZrF8; Li6ZrBeF12; Li9Mg3P4O16F3; LiAlCl4; LiB6O9F; LiBF4; LiGdCl4; LiLuF4; LiScF4; LiTaF6; LiThF5; LiYF4; LiZr5T1F22; Na3Li3Al2F12; NaLi2AlF6; NaLiBeF4; NaLiMgPO4F; Rb2LiCeCl6; Rb2LiDyCl6; Rb2LiEr…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.