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Recently, the High-tech Department of the Ministry of Science and Technology organized a conference on the “Key Technology Research on Reliability and Durability of Fuel Cell Backup Power System†in the “12th Five-Year†National 863 Program in Beijing. The project was undertaken by Suzhou Fuersai Energy Technology Co., Ltd., and China Dongfang Electric Group Co., Ltd. and other units jointly completed.
Through the implementation of the project, the modular redundant design, fault prediction and diagnosis of fuel cell backup power system reactor, hydrogen safety reliability research were carried out. The reliability and durability evaluation method of fuel cell backup power system was established, and DC fuel was completed. Reliability and durability testing of battery backup power system prototypes. The membrane electrode preparation process was optimized, and the design and test evaluation of the reactor, hydrogen supply and hydrothermal management system were carried out, and a 5kW (-48V) DC fuel cell backup power prototype suitable for hot swapping was developed, with a single continuous operation capability. 36h, started and stopped 506 times, accumulated operation 2100 hours; carried out fuel cell layer sealing material design and preparation, bipolar plate structure design and preparation, end plate forming process and self-humidifying membrane electrode research; carried out self-humidification battery stack engineering Design and manufacture of power management module and system intelligent control module, DC/DC and DC/AC inverter module development, system control software and hardware design; develop a 3.5kW AC fuel cell backup power integrated power generation system prototype, Stopped 600 times and accumulated 3100 hours of operation.
Through in-depth research on the reliability and durability of the fuel cell backup power system, and under the support of the research results of this project, the relevant technical level of the improved 5kW (-48V) DC fuel cell backup power supply has reached the international advanced level, and is fueled. Battery backup power systems provide core technology support for applications in the communications industry.
The expert group unanimously agreed that the project completed the research content stipulated in the project notification, basically reached the assessment index, and agreed to pass the acceptance.
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