Ternary alkali-metal and transition metal or metalloid acetylides as alkali-metal intercalation electrodes for batteries
US8951671B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2012 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | Nov 29, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Novel intercalation electrode materials including ternary acetylides of chemical formula:AnMC2 where A is alkali or alkaline-earth element; M is transition metal or metalloid element; C2 is reference to the acetylide ion; n is an integer that is 0, 1, 2, 3 or 4 when A is alkali element and 0, 1, or 2 when A is alkaline-earth element. The alkali elements are Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs) and Francium (Fr). The alkaline-earth elements are Berilium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Radium (Ra). M is a transition metal that is any element in groups 3 through 12 inclusive on the Periodic Table of Elements (elements 21 (Sc) to element 30 (Zn)). In another exemplary embodiment, M is a metalloid element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.