About 11 results
https://drivepatents.com/patents/970287 · 10 Sep 2014
Use of a polysiloxane system, functionalized by at least one group having at least one function group consisting of a thiol function, a thioether function, a thiocarbonyl function, a sulfinyl function, a phosphine function, a phosphine oxide function, a ph...
Organic/inorganic composite blend membrane compositions of polyelectrolyse blends with nanoparticles
https://drivepatents.com/patents/981209 · 11 Dec 2013
The invention relates to composite blend membranes formed from blends of one or more polyelectrolytes, and one or more types of nanoparticles. Preferably the blend also includes one or ore fluoropolymers. The addition of the nanoparticles was found to enha...
https://drivepatents.com/patents/1002861 · 2 May 2012
To provide a solid polymer electrolyte composition that can improve oxidation resistance without causing decrease in proton conductivity, elution of added components and the like, and an ion-exchange membrane, a membrane electrode assembly and a fuel cell,...
https://drivepatents.com/patents/1078992 · 30 Mar 2005
The present invention relates to a laminated membrane comprising a membrane (I) which comprises aromatic polymer electrolyte containing a super strong acid group and a membrane (II) which comprises one compound selected from the group consisting of electro...
https://drivepatents.com/patents/1079324 · 16 Mar 2005
A polymer electrolyte membrane comprising a microporous polymer membrane having pores penetrating through the opposite sides thereof. The microporous polymer membrane holds a mixture of a polymer and a molten salt at a weight ratio of 1/99 to 99/1 and/or a...
https://drivepatents.com/patents/1081667 · 15 Dec 2004
An electrolyte membrane having a porous base material having pores filled with a first polymer capable of conducting a proton, wherein the porous base material comprises i) at least one second polymer selected from the group consisting of polyolefins and i...
https://drivepatents.com/patents/1100014 · 4 Dec 2002
A composite membrane for use in a fuel cell membrane electrode assembly comprises a porous polymeric substrate and an impregnant partially filling the substrate such that the substrate comprises a first region having pores substantially filled with the imp...
https://drivepatents.com/patents/1099995 · 4 Dec 2002
A process for producing a membrane-electrode assembly for solid polymer electrolyte fuel cells, which comprises bonding electrodes having a catalyst layer containing a catalyst as a cathode and an anode onto both sides of a cation exchange membrane as a so...
https://drivepatents.com/patents/1105017 · 2 May 2002
A conventional direct methanol solid polymer fuel cell comprises a solid polymer electrolyte as an electrolyte. This type of cell involves some problems; methanol permeates the membrane; the electromotive force lowers because of direct oxidation; and the m...
https://drivepatents.com/patents/1105657 · 27 Mar 2002
Inorganically modified membrane consists of an organic sulfonated polymer and an inorganic phase made of oxides of silicon, organically modified silicon, titanium and/or zirconium. The oxides can be partially replaced by phosphates.