About 13 results
https://drivepatents.com/patents/967901 · 5 Nov 2014
The present invention regarding the use of proton exchange membranes for Fe/Cr redox cells belongs to the area of flow redox batteries (or flow redox cells). A proton exchange membrane works as a separator between the positive and negative electrodes in Fe...
https://drivepatents.com/patents/968039 · 29 Oct 2014
Provided are: a practically excellent polymer electrolyte composition having excellent chemical stability of being resistant to strong oxidizing atmosphere during operation of fuel cell, and achieving excellent proton conductivity under low-humidification ...
https://drivepatents.com/patents/991622 · 17 Apr 2013
Disclosed is a solid electrolyte for an electrochemical device. The solid electrolyte includes a composite consisting of: a plastic crystal matrix electrolyte doped with an ionic salt; and a network of a non-crosslinked polymer and a crosslinked polymer st...
https://drivepatents.com/patents/995538 · 5 Dec 2012
The invention provides a porous film comprising aromatic polyamide as a constituent component that has high heat resistance, high air permeability and high affinity to electrolytes. It is a porous aromatic polyamide film comprising aromatic polyamide and a...
https://drivepatents.com/patents/1008308 · 26 Oct 2011
Disclosed is a method for producing a polymer electrolyte membrane, which comprises the steps of: removing a part of a salt component produced during polycondensation from a polymerization solution of a polymer electrolyte having a density of an ionic grou...
https://drivepatents.com/patents/1009817 · 31 Aug 2011
A polymer electrolyte comprising a hydrophilic segment having sulfonic acid groups and a hydrophobic segment having no sulfonic acid group, each segment having an aromatic ring in its main chain, wherein the polymer electrolyte is an aromatic block copolym...
https://drivepatents.com/patents/1010446 · 10 Aug 2011
A polymer electrolyte comprising a hydrophilic segment having sulfonic acid groups and a hydrophobic segment having no sulfonic acid group, each segment having an aromatic ring in its main chain, wherein the polymer electrolyte is an aromatic block copolym...
https://drivepatents.com/patents/1067825 · 3 May 2006
Disclosed is an electrolyte membrane-electrode assembly wherein a hydrocarbon-based solid polymer electrolyte membrane is sandwiched between a pair of electrodes. In this electrolyte membrane-electrode assembly, the glass transition temperature of the elec...
https://drivepatents.com/patents/1070513 · 25 Jan 2006
A membrane-electrode structure for a solid polymer fuel cell excellent in power generation performance and durability and a solid polymer fuel cell comprising the membrane-electrode structure are provided. In the membrane-electrode structure for a solid po...
https://drivepatents.com/patents/1070952 · 11 Jan 2006
The present invention provides an electrolyte membrane (11) formed of an ion conductive composition. Said composition contains a liquid crystalline polymer having an ionic dissociativegroup. Molecular chains of the liquid crystalline polymer are orientated...