Redox Flow Battery Reactor Frame Rib Channel Interlock
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Solution Overview
Problem
Redox flow battery energy storage systems face challenges in maintaining efficient electrolyte flow and sealing within reactor cells, leading to potential leaks and reduced system performance due to the degradation of materials and complex assembly processes.
Innovation Solution
The design incorporates an outer and inner frame with integrated rib and channel connections for secure assembly and sealing, utilizing a multiple seal system with primary and secondary seals to contain electrolyte solutions and prevent leaks, along with flexible corners and guides for precise component alignment and secure membrane and electrode placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a multiple seal system with primary and secondary seals is used to contain electrolyte solutions, then leakage prevention is improved, but device complexity increases
Solution Approach 1:
The seal system is divided into multiple independent seal layers (primary seal, secondary seal, tertiary seal) that can function independently or in combination. Each seal layer is positioned at different locations within the reactor cell assembly, creating segmented protection zones that prevent electrolyte leakage through redundant sealing mechanisms.
Solution Approach 2:
The secondary and tertiary seals are positioned as backup protection layers that activate if the primary seal fails. This beforehand cushioning approach ensures that even if one seal degrades or fails, subsequent seal layers provide continued protection, preventing catastrophic leakage and extending system reliability.
2Reliability
If integrated rib and channel connections are used for secure assembly, then sealing effectiveness is improved, but manufacturing complexity increases
Solution Approach 1:
The rib structures and channel features are integrated into a single molded component rather than being assembled from separate parts. This merging of functions allows the sealing surface and fluid channel to be formed simultaneously in one manufacturing process, eliminating additional assembly steps while maintaining precise geometric relationships between sealing and flow features.
Solution Approach 2:
The integrated rib and channel connection structure serves multiple functions simultaneously: it provides mechanical support, creates sealing surfaces, defines fluid flow paths, and enables component alignment. This multi-functionality reduces the number of separate components needed while achieving comprehensive sealing and structural performance.
3Manufacturing precision
If flexible corners and guides are used for precise component alignment, then assembly precision is improved, but device complexity increases
Solution Approach 1:
Flexible corners are incorporated into the frame structures to accommodate minor dimensional variations and misalignments during assembly. These flexible regions deform elastically to absorb tolerance stack-ups, enabling precise alignment of rigid components without requiring complex adjustment mechanisms or high-precision machining.
Data Source
AI summary
A reactor assembly for a redox flow battery system is disclosed. The reactor assembly may include a plurality of outer frames, a plurality of inner frames, and a rib and channel interlock system integrated in the plurality of outer frames and the plurality of inner frames. In certain embodiments, the rib and channel interlock system may be configured to create a plurality of seal systems enclosing an outer circumference of an electrolyte compartment when the plurality of outer frames and the plurality of inner frames are compressed together in a stack configuration.