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https://drivepatents.com/patents/978728 · 12 Feb 2014
The present invention, relating to the battery field, discloses a positive pole material of a lithium ion battery and method for preparing the same, a positive pole of a lithium ion battery, and a lithium ion battery, which are capable of effectively preve...
https://drivepatents.com/patents/989215 · 3 Jul 2013
The present invention provides: (1) a conductive sheet comprising an aromatic polyamide pulp, a fluoroplastic fused to the aromatic polyamide pulp, and a carbon-based conductive material; (2) a conductive sheet comprising an aromatic polyamide pulp, a fluo...
https://drivepatents.com/patents/993888 · 16 Jan 2013
The present invention relates to polymer-silicon composite particles using silicon having high energy density, a method of making the same, an anode and a lithium secondary battery including the same. The silicon having high energy density is used as an an...
https://drivepatents.com/patents/1088656 · 24 Mar 2004
Bipolar plates for PEM fuel cells with a conductivity increasing carbon/filler filled polymer blend having at least two mutually immiscible blend polymers forming a co-continuous structure, where the carbon/filler is enriched in one of the blend polymers o...
https://drivepatents.com/patents/1092293 · 29 Oct 2003
A fuel cell separator is molded from a resin composition containing specific amounts of graphite, thermosetting resin and internal release agent. The graphite is a synthetic graphite powder prepared by graphitizing lump coke. The thermosetting resin is a m...
https://drivepatents.com/patents/1109822 · 4 Oct 2001
A porous conductive sheet comprising at least inorganic electrically conductive fibers and inorganic electrically conductive particles, wherein the inorganic electrically conductive particles are flexible. A porous conductive sheet, wherein the inorganic e...