Modular Heat Exchanger for Electrolyzer Temperature Control
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Solution Overview
Problem
Existing electrolyzers face challenges in efficiently managing fluid temperatures, which affects their operational efficiency and scalability, particularly in optimizing the use of renewable energy sources for hydrogen production.
Innovation Solution
A heat exchanger is integrated with the electrolyzing device, featuring a stack of patterned heat transfer plates that form scalable flow circuits, allowing for controlled temperature regulation and easy adaptation to various device profiles, with separate fluid circuits for efficient heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional heat exchangers are used with electrolyzers, then temperature control is achieved, but the system complexity and difficulty of scaling increase
Solution Approach 1:
The heat exchanger is divided into multiple identical plate modules that can be stacked together. Each plate contains integrated flow channels that segment the fluid paths into distinct regions (electrolyte flow channels, cooling fluid channels, heating fluid channels). This modular segmentation allows temperature control functionality to be achieved through simple stacking of standardized units, reducing overall system complexity while enabling scalable deployment.
Solution Approach 2:
The heat exchanger plates are designed with multi-functionality to handle both heating and cooling operations through a single integrated structure. The plates contain multiple types of flow channels (electrolyte, cooling, heating) that can be activated based on operational requirements. This universal design eliminates the need for separate heating and cooling exchangers, reducing device complexity while maintaining precise temperature control capabilities.
2Productivity
If electrolyzer fluid temperature is optimized, then operational efficiency improves, but the system becomes less adaptable to different configurations
Solution Approach 1:
The heat exchanger system is designed with dynamic adaptability through its modular plate stacking configuration. The number of plates, the arrangement of flow channels, and the connection patterns can be dynamically adjusted based on the specific operational requirements, electrolyzer size, and temperature control needs. This dynamic design allows the system to maintain optimal temperature control for efficiency while adapting to various configuration scenarios.
Solution Approach 2:
Different regions of the heat exchanger plates can be configured with different flow channel patterns and thermal properties to match local requirements. The modular design allows specific plates to be optimized for particular zones of the electrolyzer, enabling local temperature optimization while maintaining overall system efficiency. This local quality approach preserves adaptability across different system configurations.
3Temperature
If heat exchanger is integrated with electrolyzing device, then temperature control is improved, but manufacturing complexity increases
Solution Approach 1:
The heat exchanger is manufactured as segmented, identical plate modules that can be produced using standardized manufacturing processes. Each plate is a self-contained unit with pre-formed flow channels, sealing edges, and connection points. This segmentation allows for simplified manufacturing of individual components that can then be easily assembled by stacking, reducing overall manufacturing complexity compared to creating a monolithic heat exchanger structure.
Solution Approach 2:
The heat exchanger plates integrate multiple functions into a single component: thermal exchange, fluid distribution, and structural support. The plates combine heating and cooling flow channels within the same structure, eliminating the need for separate manifolds and connection systems. This merging of functions simplifies the manufacturing process by reducing the number of separate parts that need to be produced and assembled.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enhances the operational efficiency of electrolyzers by maintaining optimal fluid temperatures, improving scalability, and enabling efficient energy storage and conversion processes using renewable energy sources.
Implementation Method 1
a heat exchanger adapted to be connected to an electrolyzing device such that fluids circulating in the electrolyzing device also circulate in the heat exchanger
Implementation Method 2
fluids pass the heat exchanger before being circuited to the electrolyzing device
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
The present invention relates to a heat exchanger (10) adapted to be connected to an electrolyzing device (2) such that fluids circuited in the electrolyzing device (2) also circuits in the heat exchanger (10). The heat exchanger is adapted for a heat exchanging fluid simultaneously to cool two fluids. The present invention further relates to an electrolyzer (1) equipped with a heat exchanger (1).