Night energy heat management system of stratospheric airship and application method

The invention discloses a stratospheric airship night energy thermal management system and an application method, the stratospheric airship night energy thermal management system comprises a regenerative hydrogen-oxygen fuel cell system and a lithium ion battery system which are used for providing load power, and the stratospheric airship night energy thermal management system also comprises a heating unit used for carrying out rapid heating treatment on the regenerative hydrogen-oxygen fuel cell system; the temperature control unit is used for regulating and controlling the working temperatures of the lithium ion battery system and the regenerated hydrogen-oxygen fuel cell system in real time; the control unit is in communication connection with the heating unit, the temperature control unit and the purging unit; and the heat preservation cabin is used for packaging each unit. The invention provides a night energy thermal management system of a stratospheric airship and an application method, which can reali