Solid oxide fuel cell stack buffer device with overheating protection and cogeneration functions
By combining a biomimetic grapefruit peel structure buffer device with a metal liquid cooling pipe, the mechanical damage and overheating problems of solid oxide fuel cell stacks are solved, achieving efficient combined heat and power and temperature difference control, thereby improving the performance and lifespan of the battery.
Patent Information
- Application Number
- CN202521071444.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-28
- Publication Date
- 2026-05-26
- Estimated Expiration
- 2035-05-28
AI Technical Summary
In existing technologies, solid oxide fuel cell stacks are easily damaged by mechanical impacts and localized overheating leads to performance degradation. How can effective heat dissipation and protection be achieved without increasing the complexity of the internal structure of the stack?
The buffer device, which adopts a biomimetic grapefruit peel structure, combined with a spiral spring and a metal liquid cooling pipe, controls the start and stop and flow rate of cooling water through a temperature sensor to achieve combined heat and power function. It utilizes a porous structure and a metal liquid cooling pipe for efficient heat conduction and buffer protection.
It achieves effective buffering and heat dissipation of solid oxide fuel cell stacks, reduces mechanical damage, precisely controls temperature difference, recovers waste heat to provide domestic hot water, and improves battery performance and lifespan.