About 94 results
https://drivepatents.com/patents/1013913 · 13 Apr 2011
Provided is a method of producing an electrode material precursor having a core-shell structure in which the particle size is extremely small and the particle diameter is uniform, and a method of efficiently producing an electrode material using the obtain...
https://drivepatents.com/patents/1015099 · 9 Mar 2011
The invention relates to a continuous process for preparing carbon-coated lithium-iron-phosphate particles, wherein the carbon-coated lithium-iron-phosphate particles have a mean (d 50 ) particle size of 10 to 150 nm, and wherein the carbon-coating is an a...
https://drivepatents.com/patents/1015173 · 9 Mar 2011
With a view to realizing a titanium oxide structure that has a large surface area and enables efficient transfer of ions and electrons by virtue of titanium oxide particles connected to one another, an object of the invention is to develop a material usefu...
https://drivepatents.com/patents/1015610 · 23 Feb 2011
The present invention relates to a nano-positive electrode material of lithium cell and preparation thereof. And the material comprising Lithium iron phosphate as substrate, conductive doping ion and voltage-boosting doping ion, have the general chemical f...
https://drivepatents.com/patents/1066390 · 14 Jun 2006
A coating for a gas diffusion layer (GDL) of a fuel cell or battery. The coating comprises a dispersion of carbon black, a fluoropolymer, and one of graphite and carbon particulates, in which the size of the particulates are substantially larger than the s...
https://drivepatents.com/patents/1066652 · 7 Jun 2006
An electrode for a fuel cell of the present invention includes an electrode substrate, a microporous layer formed on the surface of the electrode substrate, and a nano-carbon layer formed on the surface of the microporous layer with a catalyst layer coated...
https://drivepatents.com/patents/1066982 · 31 May 2006
An electrode (100,200) for a fuel cell comprising a carbonaceous electrode substrate (101,201), a microporous layer (102) comprising a carbonised polymer and a nano-carbon (103) covered by a catalyst (105) disposed on the surface of the carbonaceous substr...
https://drivepatents.com/patents/1068678 · 5 Apr 2006
A process for producing a membrane-electrode assembly for a polymer electrolyte fuel cell comprising an anode and a cathode each having a catalyst layer, and an ion exchange membrane disposed between them, characterized in that a step of producing at least...
https://drivepatents.com/patents/1070881 · 11 Jan 2006
A supported catalyst, an electrode including the same, and a fuel cell using the electrode are provided. The supported catalyst includes a carbon-based catalyst support, catalytic metal particles adsorbed on a surface of the carbon-based catalyst support, ...
https://drivepatents.com/patents/1071890 · 14 Dec 2005
An inorganic oxide powder used for a gelled electrolyte of a battery, in which an average primary particle size is from 5 nm to 40 nm and an existence probability of an agglomeration being more than 100µm is less than 1 %, and preferably, the hydrophobici...