About 30 results
https://drivepatents.com/patents/992320 · 27 Mar 2013
An active material for a battery has a surface-treatment layer including a compound of the formula (1): MXO k (1) wherein M is at least one element selected from an alkali metal, an alkaline earth metal, a group 13 element, a group 14 element, a transition...
https://drivepatents.com/patents/1002650 · 9 May 2012
A non-aqueous electrolyte secondary battery 1 includes a flat electrode assembly 10 produced by winding a positive electrode, a negative electrode, and a separator interposed therebetween and forming them into a flat shape, a battery case 11, and a non-aqu...
https://drivepatents.com/patents/1008886 · 12 Oct 2011
An active material for a battery has a surface-treatment layer including a compound of the formula (1): MXO k (1) wherein M is at least one element selected from an alkali metal, an alkaline earth metal, a group 13 element, a group 14 element, a transition...
https://drivepatents.com/patents/1009595 · 14 Sep 2011
An electrochemical cell having lithium and iron disulfide as its primary electrochemically active materials and a positive electrode with electrochemically active material selectively deposited thereon for improved service and more efficient utilization of...
https://drivepatents.com/patents/1066950 · 7 Jun 2006
The present invention discloses a method for manufacturing an electrode for a battery by filling an active material into a three-dimensional porous metal substrate sheet and cutting said sheet to a certain size, comprising the steps of: pressing the portio...
https://drivepatents.com/patents/1068840 · 29 Mar 2006
The present invention relates to a technique for producing a cathode film having a thin and even thickness and having stable electrical characteristics at a high productivity by an extrusion molding method. That is, the present invention provides an active...
https://drivepatents.com/patents/1077090 · 8 Jun 2005
The method involves removing an oxide layer if present and any other impurities that may be present from the aluminum collector, preferably using a wet chemical technique, and applying the positive active material directly to the resulting oxide-free surfa...
https://drivepatents.com/patents/1080962 · 12 Jan 2005
A composite positive electrode material for use in electrochemical cells. The composite material may comprise a particle of positive electrode material, and a conductive material at least partially embedded within the particle of positive electrode materia...
https://drivepatents.com/patents/1081224 · 29 Dec 2004
The method involves applying a colloidal solution comprising particles and a solvent to a substrate. The solution is dried, the particles in the solution are allowed to remain on the substrate, and the particles are sintered on the substrate. The substrate...
https://drivepatents.com/patents/1082333 · 17 Nov 2004
The present invention provides batteries with low cost, excellent in high rate discharge characteristics (high power characteristics) and high reliability. For example, the present invention provides Ni/MH batteries with low cost, excellent in high rate di...