scope:

This part of IEC 62984 specifies performance requirements and test procedures for High Temperature batteries based on sodium for mobile and/or stationary use and whose rated voltage does not exceed 1500 V DC. Sodium based batteries includes Sodium Sulphur Battery and Sodium Nickel Chloride battery; both are high temperature battery and using a solid, sodium conducting electrolyte. This standard does not cover aircraft batteries, covered by IEC 60952, and batteries for the propulsion of electric road vehicles, covered by IEC 61982. NOTE - High Temperature batteries are electrochemical systems whose cells operating temperature is above 100 °C.