PEM electrolyser fuel cell catalyst coater

PEM electrolysis cell fuel cell catalyst coater——Ultrasonic spraying equipment——Shanghai Yangmi ultrasonic spraying

Membrane electrode (MEA) is the core component of proton exchange membrane fuel cell (PEMFC), which provides multiphase material transfer microchannel and electrochemical reaction site for PEMFC. To achieve fuel cell utilization, MEA with high power density, low platinum load and good durability is required. In MEA, in addition to the catalyst, the structure of each functional layer and the interface between layers also have an important impact on the performance of MEA.

Ultrasonic spraying on MEA preparation method, the general process of preparation is:

The catalyst slurry is first sprayed onto the support body (GDL or PEM) under ultrasonic conditions by oscillating - dispersing - in an ultrasonic bath. Su et al. 

prepared high-temperature CCS MEA by ultrasonic spraying method, and tested the effect of four different Pt loadings on fuel cell performance at 160℃.

Ultrasonic spraying has the following advantages:

(1) Adjust the ultrasonic frequency, can make the ejection "ink" rebound is small and not easy to splash, save the amount of catalyst, suitable for laboratory operation;

(2) Under the condition of high frequency vibration, the catalyst is highly dispersed, the agglomeration is reduced, the nozzle is not easy to plug, the catalyst spray on 

     the support body is also very uniform, can effectively prepare the film coating;

(3) Simple operation, process automation, suitable for MEA mass production.

Shanghai Yangmi ultrasonic spraying system, used in fuel cell proton exchange membrane spraying, thin film solar cells, perovskite, microelectronics, semiconductor, nano new materials, glass coating, biomedical, textile and other fields. We can provide you with more suitable products, services and solutions, which can be effectively applied to your industry area.