Brush out the degradation rate new record non-high temperature polymer fuel cell

Foreign media reported, polymer fuel cells at high temperatures (high temperature proton exchange membrane fuel cell, HTPEMFC) test, its operating stability (degradation rate) record. Under constant load (constant load) conditions, the history of 9000 hours of the test, test temperature is 160 ℃, DPS test the rate of degradation of the battery reaches 0.5μV / h, which corresponds to the degradation rate of 0.00008% / h. In contrast, with reference to the high rate of degradation of the film 2.6μV / h. Throughout the test period of 13,000 hours, the team of the test cells are arranged linearly and polybenzimidazole film polybenzimidazole film (cross-linked and linear polybenzimidazole membranes), both the average voltage decay rate (average voltage decay rate) respectively 1.4μV / h and 4.6μV / h. Be DPS mainly produce a membrane electrode assembly (membrane electrode assembly, MEA) products, the few capable of producing a polybenzimidazole (polybenzimidazole, PBI) materials manufacturer, a plastic material is used for the production of a fuel cell membrane. Compared to a conventional PEM fuel cell, the more high temperature polymer, which polymer dielectric film (HTPEM) operating temperatures up to 160-200 ℃. DPS fuel cell stack (fuel cell stacks) using methanol as a fuel, low production cost of methanol, methanol is more difficult to extract from biological resources is low. To assemble the fuel cell stack, DPS and is located in Aalborg, Denmark (Aalborg, Denmark) of SerEnergy cooperate EUDP project funded by the Danish Department of Energy. Further, SerEnergy provides excellent operational stability and low degradation rate of the fuel cell stack. In recent years, DPS is committed to enhancing the export volume fuel cell products, the company succeeded in manufacturing battery ultra-high temperature plastic (film). It expects the technology has been very mature, and its commercial operation will be in sight. Technology area 220V AC power converted to 12V DC reference design Status of the domestic lithium ternary material patented layout exactly how Car battery echelon use, will become a hot issue for quite some time New energy vehicles designed to be reckoned with batteries and battery materials 2020 China Automotive battery pack shipments and forecast

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