Sodium-sulphur battery (ceramic electrolyte)
Batería de sodio-azufre (electrolito cerámico)
- Date
- 1966-1968 · confidence high
- Place
- Dearborn, Michigan, United States
- Credited to
- Joseph Kummer and Neill Weber (Ford)
- Field
- Matter & energy
What it is
A battery that uses molten sodium and sulphur separated by a solid beta-alumina electrolyte at about 300 °C. Ford devised it for electric cars; NGK and the utility TEPCO brought it to the grid from 2002.
What it led to
- NGK-TEPCO NAS stationary storage in Japan
- molten-salt batteries (ZEBRA)
- megawatt-scale grid storage