🛠️ Invention or technique

ZEBRA sodium-nickel-chloride battery

Batería ZEBRA de sodio y cloruro de níquel

Date
1978-1985 · confidence medium
Place
Pretoria, Gauteng, South Africa
Credited to
Johan Coetzer (CSIR, South Africa)
Field
Matter & energy

What it is

A molten-salt battery with a sodium anode, nickel-chloride cathode and beta-alumina electrolyte, safer than sodium-sulphur and tolerant of overcharge. It was created in the Zeolite Battery Research Africa project.

It was developed at the CSIR in Pretoria and industrialised in Europe (AEG, later Mes-Dea and FIAMM).

What it led to

  • batteries for European electric buses and vans
  • storage for telecoms and grids
  • FIAMM's sodium-nickel battery line
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Sources✓ verified 2026-11-04