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E DIN EN IEC 62933-4-2 VDE 0520-933-4-2:2025-05

Electric Energy Storage Systems

Part 4-2: Assessment of the environmental impact of battery failure in an electrochemical based storage system

(IEC 120/316/CDV:2023); German and English version prEN IEC 62933-4-2:2023
Class/Status: Draft, valid
Released: 2025 -05   Published: 2025-04 -11
VDE Art. No.: 1500255
End of objection deadline: 2025-06-11

This part of IEC 62933 defines the requirements and structure for the evaluation and reporting of the impact on the environment, from a failure of the electrochemical core of the battery-based energy storage system (BESS), i.e. the cell, battery, or cell stack due to internal and exogenous causes.