T/CEPPC 25-2024 Energy storage lithium-ion battery thermal runaway warning and protection technology requirements

Scope

Scope: This document specifies the general requirements for thermal runaway warning and protection of lithium-ion batteries in energy storage stations, thermal runaway warning, battery and energy storage system protection requirements, fire suppression and explosion suppression for battery energy storage systems, emergency response, and personnel protection. This document applies to new, modified, or expanded energy storage stations with a rated power of not less than 500 kW and a rated energy of not less than 500 kWh. Energy storage stations with a rated power of less than 500 kW may refer to this document for implementation. Main technical content: Preface. II1 Scope. 12 Normative reference documents. 13 Terms and definitions. 14 General requirements. 25 Thermal runaway warning. 26 Battery and energy storage system protection requirements. 47 Fire suppression and explosion suppression for battery energy storage systems. 58 Emergency response and personnel protection. 6 Appendix A (Normative) Calculation method for the area of explosion-proof relief ports in energy storage systems. 8 Appendix B (Normative) Design of ventilation flow for accident ventilation equipment. 10 Appendix C (Normative) Performance test of automatic fire suppression and explosion suppression systems for fire suppression and explosion suppression. 11

Development Information

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