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The combination of fluorinated backbone, sulfonic acid groups, and the stabilizing effect of the polymer matrix make Nafion a very strong acid, with pK a ~ -6. [8] In this respect Nafion resembles the trifluoromethanesulfonic acid , CF 3 SO 3 H, although Nafion is a weaker acid by at least three orders of magnitude.
All-solid-state electrolytes are furthermore divided into inorganic solid electrolyte (ISE), solid polymer electrolyte (SPE) and composite polymer electrolyte (CPE). On the other hand, a QSSE, also called gel polymer electrolyte (GPE), is a freestanding membrane that contains a certain amount of liquid component immobilized inside the solid matrix.
Yelp Inc. is an American company that develops the Yelp.com website and the Yelp mobile app, which publishes crowd-sourced reviews about businesses. It also operates Yelp Guest Manager, a table reservation service.
Fabricators and Manufacturers Association, International (FMA) is a nonprofit professional association serving both company and individual members in the metal processing, [1] forming, and fabricating industries. [2] Registered in the United States as a 501(c)3 organization, [3] it also has members in Canada and Mexico.
International Metals Reviews (1976–1986) International Metallurgical Reviews (1972–1975) Metallurgical Reviews (1956–1971) History: 1956–present: Publisher:
It was also the first book to review electro- and photoelectrochemical methods for these purposes. [31] He has explored semiconductor-electrolyte interfaces, tracing their historical development, modern applications in energy conversion, and contributions to microelectronics and environmental tech. [ 32 ]
Journal of Polymer Science is a peer-reviewed journal of polymer science currently published by John Wiley & Sons.It was originally established as the Journal of Polymer Science in 1946 by Interscience Publishers and the founding editor Herman F. Mark, but it was split in various parts in 1962.
The technologies referred to as Solid Freeform Fabrication are what we recognize today as rapid prototyping, 3D printing or additive manufacturing: Swainson (1977), Schwerzel (1984) worked on polymerization of a photosensitive polymer at the intersection of two computer controlled laser beams.