GB/T 43691.1-2024 standard Part 1 specifies the safety requirements of fuel cell modules in detail. The standard clarifies the safety specifications of fuel cell modules in the process of design, manufacture, installation and use, covering the electrical safety, mechanical safety and thermal safety of battery modules. The standard emphasizes the safety performance requirements of fuel cell modules under different working conditions, and proposes technical measures to prevent potential hazards, such as over-voltage protection, over-temperature protection and short-circuit protection. In addition, the standard also involves fault diagnosis, safety detection and emergency treatment measures of fuel cell modules, providing theoretical basis and technical support for ensuring the safe operation of fuel cell systems in various application environments. This standard provides an important safety guarantee for the application and development of fuel cell technology, especially in the field of new energy vehicles and energy storage systems.