Learn about the importance of leak testing for bipolar plates. In this Hyfindr Tech Talks, Steven and Daniel discuss leak testing bipolar plates, which is vital for quality assurance, ensuring plates are gastight after manufacturing. The process involves using helium as a tracer gas and detecting leaks via a mass spectrometer in a vacuum chamber. A double-station machine, where plates are tested simultaneously is shown and explained. Costs, helium consumption, automation, and future improvements to reduce cycle times are discussed.
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Jump right into the discussion topics:
0:00 Hyfindr Tech Talks
0:16 Welcome Daniel Schönbohm
0:50 What is leak testing for bipolar plates and who does it?
1:33 How does bipolar plate leak testing work?
10:10 Detailed leak testing for bipolar plate machines interface
11:16 Why hydrogen is not used for bipolar plate leak testing?
12:42 Can you reuse the helium for multiple bipolar leak testing?
13:50 How does the cost of leak testing distribute and how can it be reduced?
14:55 Fully automated bipolar plate leak testing machine
15:35 What happens after a leak is detected?
18:08 Cycle times of bipoalr plate leak tests
18:57 Thank you Daniel!
19:25 Like, comment and subscribe!
Executive Summary of Tech Talk Script:
In this Hyfindr Tech Talk, Steven introduces Daniel Schönbohm, an expert from MACEAS, to discuss the intricacies of leak testing bipolar plates for fuel cells and electrolyzers. Leak testing is a crucial quality assurance step, ensuring the gas tightness of plates after manufacturing.
The process employs helium as a tracer gas due to its lightness and inertness. Testing is carried out in a vacuum chamber equipped with a mass spectrometer to detect helium atoms escaping through leaks. Technicalities of the double-station machine used for testing, which can handle four bipolar plates simultaneously are shared.
The machines have different cost factors involved, including equipment like vacuum pumps and the mass spectrometer, as well as helium consumption. There is the possibility of automation to minimize labor costs.
The conversation touches on the significance of leak testing in ensuring the reliability and longevity of fuel cells and electrolyzers, both pivotal components of the hydrogen economy. With advancements in automation and technology, cycle times are expected to decrease, enhancing efficiency in the manufacturing process.
Products Shown:
Helium Vacuum Leak Test Station (Semi-Automatic) - [ Ссылка ]
Product Category:
Fuel Cell Test Equipment - [ Ссылка ]
Interview partner and company: Daniel Schönbohm (MACEAS - [ Ссылка ])
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In this tech talk following topics are discussed: leak testing for bipolar plates, fully automatic bipolar plate leak testing machine, how does bipolar plate leak testing work?, cost of bipolar plate leak testing, technology explained, cycle time of bipolar plate leak tests, fuel cell productions, electrolyser production, quality control, leak testing, aftermath of bipolar plate leak test, future trends in bipolar plate leak testing, and helium leak testing of bipolar plates.
