Evolution of on-orbit management strategy for GEO satellite lithium-ion battery
2023 13th European Space Power Conference (ESPC)(2023)
摘要
Due to the outstanding advantage of lithium-ion battery with high energy density, the space energy storage devices of GEO satellites have been replaced by lithium-ion batteries from nickel-hydrogen batteries. The previous generation of satellites used 60 similar to 100Ah lithium-ion battery as energy storage equipment, which realized the first application of lithium-ion battery in China GEO communication satellites in orbit. The latest generation of satellites use 150 similar to 250Ah lithium-ion battery in orbit, symbolizing the mature application of lithium-ion battery with large capacity. With the wide application of large capacity and high energy density lithium-ion battery, the charging control and balance techniques have been improved accordingly, so the on-orbit management strategy of lithium-ion battery has also changed correspondingly. This paper aims to elaborate these changes.
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关键词
lithium-ion battery,GEO satellite,on-orbit,management strategy,evolution
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