About 94 results
https://drivepatents.com/patents/994303 · 2 Jan 2013
A negative active material including an ordered porous manganese oxide, wherein pores of the ordered porous manganese oxide have bimodal size distribution, and a method of preparing the negative active material. The invention also includes a negative elect...
https://drivepatents.com/patents/996023 · 21 Nov 2012
A fuel cell is disclosed which is formed on a semiconductor wafer by forming a channel on the wafer and forming a proton exchange membrane PEM barrier in the etched channel. The barrier divides the channel into two. A hydrogen fuel is admitted into one of ...
https://drivepatents.com/patents/996320 · 7 Nov 2012
The present invention relates to a composite ceramic material for a fuel cell and a method for manufacturing the same. The composite ceramic material for the fuel cell forms a cored structure where perovskite ceramic particles having a small particle diame...
https://drivepatents.com/patents/996279 · 7 Nov 2012
A method for producing a lithium mixed metal oxide, which includes mixing a lithium compound, metallic Ni or a compound thereof, and one or more transition metals selected from the group consisting of Mn, Co, Ti, Cr and Fe or a compound thereof; and calcin...
https://drivepatents.com/patents/996612 · 31 Oct 2012
This invention relates to a method of manufacturing a graphene dispersion, a composite of poly(ionic liquid) and graphene manufactured thereby, and a manufacturing method thereof, which can manufacture the poly(ionic liquid)-modified graphene using the gra...
https://drivepatents.com/patents/996535 · 31 Oct 2012
A composite oxide, whose major component is a lithium-manganese-system oxide including Li and tetravalent Mn at least and having a crystal structure that belongs to a layered rock-salt structure, is produced via the following: a raw-material mixture prepar...
https://drivepatents.com/patents/996717 · 24 Oct 2012
An anode active material including a crystalline carbon-based material that includes a core having a lattice spacing dof about 0.35 nm or more, and titanium-based oxide particles.
https://drivepatents.com/patents/999568 · 8 Aug 2012
The present invention relates to positive electrode active substance particles comprising a compound having at least a crystal system belonging to a space group of R-3m and a crystal system belonging to a space group of C2/m, and boron, wherein the compoun...
https://drivepatents.com/patents/1001335 · 20 Jun 2012
A lithium transition metal-based compound powder for a lithium secondary battery positive electrode material having a composition represented by formula (III) below and containing 0.1 mol% or more and 5 mol% or less of at least one element selected from Mo...
https://drivepatents.com/patents/1002074 · 30 May 2012
A particle composition comprising particles having a complex oxide core and a conductive carbon deposit on at least part of the surface of the core, wherein the particles comprise elementary nanoparticles having a nanoscale size and agglomerates or aggrega...