2 Experimental results and discussion
2.1 Epitaxial layer thickness and uniformity
Epitaxial layer thickness, doping concentration and uniformity are one of the core indicators for judging the...
Silicon is an atomic crystal, whose atoms are connected to each other by covalent bonds, forming a spatial network structure. In this structure, the covalent bonds between atoms are very directiona...
Useful seals for pumps and valves depend on the overall condition of each component, especially the graphite disc device and conditioning. Before the winding device, firmly believe that the need fo...
As a kind of power generation device that converts chemical energy in hydrogen and oxidant into electricity, the gas tightness of fuel cell stack is very important. This is the test of VET for the ...
Bipolar plates (BPs) are a key component of proton exchange membrane (PEM) fuel cells with multifunctional character. They uniformly distribute fuel gas and air, conduct electrical current from cel...