20.99 Nov 7, 2025
CD Feb 13, 2026
IEC
TC 21/SC 21A
International Standard
PROJECT
IEC 63636 ED1
20.99
WD approved for registration as CD
Nov 7, 2025
Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary sodium ion cells and batteries for use in industrial applications
10.99 New project approved