About 12 results
https://drivepatents.com/patents/967289 · 19 Nov 2014
There are provided an aromatic polyamide porous film, wherein the total number of branch points of pores in the area of 3 cubic micrometers obtained by three-dimensional structural analysis is 2,000 to 20,000, which ensures high rate characteristics and is...
https://drivepatents.com/patents/967721 · 5 Nov 2014
This redox flow secondary battery has an electrolyte tank (6) containing: a positive electrode cell chamber (2) containing a positive electrode (1) comprising a carbon electrode; a negative electrode cell chamber (4) containing a negative electrode (3) com...
https://drivepatents.com/patents/975879 · 23 Apr 2014
Disclosed are a polymer electrolyte membrane for fuel cells and a membrane electrode assembly and fuel cell including the same. The polymer electrolyte membrane includes a fluorine-based cation exchange resin having proton conductivity and fibrous nanopart...
https://drivepatents.com/patents/981650 · 27 Nov 2013
Disclosed is a solid electrolyte for an electrochemical device. The solid electrolyte includes a composite of a plastic crystal matrix electrolyte doped with an ionic salt and a crosslinked polymer structure having a linear polymer as a side chain chemical...
https://drivepatents.com/patents/983385 · 16 Oct 2013
Disclosed is use of a porous membrane and a composite membrane thereof in a redox flow batteries, and in particular the use thereof in a vanadium redox flow battery. The membrane can effectively realize the separation of ions with different valence states,...
https://drivepatents.com/patents/987530 · 14 Aug 2013
Disclosed is a composite electrolyte membrane for a fuel cell. The composite electrolyte membrane includes a polybenzimidazole-based polymer and a metal-grafted porous structure. The composite electrolyte membrane is doped with phosphoric acid. The metal-c...
https://drivepatents.com/patents/993750 · 23 Jan 2013
The present invention is to provide a separator that is excellent in heat resistance, shutdown function, flame retardancy and handling property. The separator for a nonaqueous secondary battery of the invention is a separator for a nonaqueous secondary bat...
https://drivepatents.com/patents/997825 · 3 Oct 2012
In the present invention is disclosed a method for producing a membrane for direct liquid fuel cell, which comprises polymerizing and curing a polymerizable composition containing at least a) an aromatic polymerizable monomer wherein one polymerizable grou...
https://drivepatents.com/patents/1009813 · 31 Aug 2011
A proton exchange membrane and a membrane electrode assembly for an electrochemical cell such as a fuel cell are provided. A catalytically active component is disposed within the membrane electrode assembly. The catalytically active component comprises par...
https://drivepatents.com/patents/1010885 · 27 Jul 2011
An evaluation method of an ion conductivity of a polymer electrolyte membrane having a micro phase separation structure containing a region having an ion conductive group, comprising: a step of calculating a first passthrough critical value in the membrane...