In 1966, General Electric Company developed water electrolytic cell based on proton conduction concept, using polymer membrane as electrolyte. PEM cells were commercialized by General Electric in 1...
Advantages of graphite electrode
(1) With the increasing complexity of die geometry and the diversification of product application, the discharge accuracy of spark machine is required to be higher...
Atmospheric pressure sintered silicon carbide is a non-metallic carbide with silicon and carbon covalent bond, and its hardness is second only to diamond and boron carbide. The chemical formula is ...
In this report, the global carbon mold market value in 2019 is XX million U.S. dollars and is expected to reach XX million U.S. dollars by the end of 2025, with a compound annual growth rate of XX%...
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 ...
Fuel cells can be divided into proton exchange membrane fuel cells (PEMFC) and direct methanol fuel cells according to the electrolyte properties and fuel used
(DMFC), phosphoric acid fuel cell (PA...