Core Viewpoint - Huawei Digital Energy's "Full Lifecycle Safety Quantitative Assessment System for Electrochemical Energy Storage Systems" has passed technical appraisal, achieving international leading standards and filling a technological gap in energy storage safety [1][3]. Group 1: Technical Appraisal - The technical appraisal was organized by the China Electric Power Enterprise Federation, with a committee of 12 industry experts from prestigious institutions [3]. - The committee recognized the innovative, technical, and practical aspects of the safety assessment system, emphasizing its role in addressing safety operation bottlenecks in large-scale electrochemical energy storage applications [3][4]. Group 2: Safety Risk Assessment - The assessment system categorizes safety risks into three levels: A (unacceptable), B (risk mitigation), and C (acceptable), with specific failure probability requirements for each level [4]. - The project identifies key factors affecting system safety and significantly enhances product safety levels through four core safety technologies [4][5]. Group 3: Core Safety Technologies - Development of high-precision intelligent active safety warning technology, achieving a fault warning algorithm coverage rate of no less than 95% [5]. - Introduction of a positive pressure oxygen-blocking and directional smoke exhaust architecture, demonstrating fire resistance and non-propagation under thermal runaway conditions [5]. - Creation of an intelligent string-type energy storage dual conversion architecture, ensuring grid stability during transient overvoltage conditions [5]. - Implementation of high-temperature durable insulation and real-time monitoring technology to suppress risks of arcing fires due to insulation failure [5]. Group 4: Application and Impact - The project's results have been applied on a large scale in significant domestic and international projects, including energy storage stations in Tibet, Uzbekistan, and Saudi Arabia [5]. - The methodology established by the project is seen as a pioneering approach in the industry, with significant economic and social benefits, and a strong potential for promotion and application [7]. Group 5: Future Directions - Huawei Digital Energy aims to collaborate with industry stakeholders to promote standardization, technology sharing, and ecosystem building, facilitating the transition of wind-solar-storage to become the main power source [9][10]. - The company emphasizes the need for a unified, quantifiable safety assessment standard to guide the continuous evolution of energy storage safety technology [7][10].