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PEMWE with Internal Real-Time Microscopic Monitoring Function
Chi-Yuan Lee1, Chia-Hung Chen2, Guo-Bin Jung1
1Department of Mechanical Engineering, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan 32003, Taiwan.
Membranes
|January 30, 2021
Summary
This study integrates a flexible six-in-one microsensor using micro-electro-mechanical systems (MEMS) technology. This sensor enables real-time internal monitoring of proton exchange membrane water electrolyzers (PEMWEs), crucial for renewable energy storage.
Area of Science:
- Materials Science and Engineering
- Energy Storage Technologies
- Micro-Electro-Mechanical Systems (MEMS)
Background:
- Climate change is a significant challenge for global energy policies, driving the adoption of renewable energy sources.
- Effective energy storage systems are essential to manage the intermittent nature of renewable energy.
- Hydrogen energy is a promising solution for energy storage, particularly within the context of renewable energy integration.
Purpose of the Study:
- To develop a novel, flexible microsensor for real-time monitoring within proton exchange membrane water electrolyzers (PEMWEs).
- To integrate multiple sensing capabilities (voltage, current, temperature, humidity, flow, pressure) onto a single micro-scale platform.
- To support the advancement of efficient and reliable hydrogen energy storage systems.
Main Methods:
- Utilized micro-electro-mechanical systems (MEMS) technology for sensor fabrication.
- Integrated micro voltage, current, temperature, humidity, flow, and pressure sensors onto a 50 μm thick polyimide (PI) substrate.
- Optimized sensor design and fabrication processes for enhanced performance and flexibility.
- Embedded the developed flexible microsensor into a proton exchange membrane water electrolyzer (PEMWE).
Main Results:
- Successfully fabricated a flexible, six-in-one microsensor capable of detecting multiple parameters.
- Demonstrated the feasibility of embedding the microsensor within a PEMWE for internal monitoring.
- Achieved real-time microscopic monitoring of key operational parameters within the PEMWE.
Conclusions:
- The developed MEMS-based flexible microsensor offers a viable solution for advanced internal monitoring of PEMWEs.
- This technology can provide critical data for optimizing PEMWE performance and reliability in renewable energy applications.
- Real-time monitoring capabilities are crucial for the efficient integration of hydrogen energy storage systems.

