Recirculation device for recirculating recirculation gas drawn off from a fuel cell
The recirculation device addresses the structural complexity and energy consumption issues of existing systems by using a turbine and compressor driven by process gas pressure to efficiently recirculate and mix gases within fuel cells, ensuring no gas leakage and reducing energy requirements.
WO2026124847A1PCT designated stage Publication Date: 2026-06-18PUREM GMBH
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- PUREM GMBH
- Filing Date
- 2025-10-30
- Publication Date
- 2026-06-18
Smart Images
Figure EP2025081392_18062026_PF_FP_ABST
Abstract
A recirculation device for recirculating recirculation gas drawn off from a fuel cell comprises a turbine region (26) and a compressor region (34) driven by the turbine region (26), wherein the turbine region (26) has a turbine inlet (40) to be connected to a process gas store (22) for supplying process gas to the turbine region (26), the compressor region (34) has a compressor inlet (46) to be connected to a fuel cell outlet (50) of a fuel cell (12) for supplying recirculation gas to the compressor region (34), and the compressor region (34) has a compressor outlet (60) to be connected to a fuel cell inlet (52) of the fuel cell (12) for supplying fuel cell gas to the fuel cell (12).
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