Patent application number | Description | Published |
20130252066 | SEPARATOR AND RECHARGEABLE LITHIUM BATTERY - In one aspect, a separator that includes a porous substrate; and a coating layer including an inorganic compound-organic/inorganic binder, and a binder polymer, and a rechargeable lithium battery including the separator is provided. | 09-26-2013 |
20130302661 | SEPARATOR AND METHOD OF MANUFACTURING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A separator for a lithium battery includes a porous substrate and a coating layer on at least one side of the porous substrate, the coating layer having a first side adjacent to the porous substrate, and a second side opposite the first side. The coating layer may include an inorganic compound and a polymer binder, and an amount of the polymer binder at the second side is greater than an amount of the polymer binder at the first side. A rechargeable lithium battery includes the separator. | 11-14-2013 |
20130323569 | SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A separator for a rechargeable lithium battery includes a porous substrate; and a coating layer disposed on one or more sides of the porous substrate, the coating layer including organic particles and a binder polymer, wherein the organic particles include a material different from that of the binder polymer and the binder polymer is included in the coating layer in an amount in a range of 50 to 99 wt % based on the total amount of the coating layer, and a rechargeable lithium battery including the same. | 12-05-2013 |
20140272532 | SEPARATOR AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are porous substrate and a coating layer positioned on one side or both sides of the porous substrate, wherein the coating layer includes a filler (A) having an average particle diameter of about 0.3 μm to about 2 μm; and a binder (B) including an organic polymer and an inorganic particle, an organic particle, or a combination thereof, wherein an average particle diameter of each of the inorganic particle and the organic particle is about 5 nm to about 200 nm, and a rechargeable lithium battery including the separator. | 09-18-2014 |
20140308565 | SEPARATOR AND LITHIUM BATTERY INCLUDING THE SEPARATOR - A separator including a porous base material layer and a coating layer disposed on at least one surface of the porous base material layer, wherein the coating layer includes the binder composition, and a binder film comprising the binder composition has an elongation of 10% or less measured after maintaining the binder film under a load of 50 g at 150° C. for 10 minutes, and a lithium battery including the same. | 10-16-2014 |
20150083975 | COMPOSITE BINDER COMPOSITION FOR SECONDARY BATTERY, CATHODE AND LITHIUM BATTERY CONTAINING THE BINDER COMPOSITION - In an aspect, a binder composition, a cathode including the same, and a lithium battery including the cathode, wherein the binder composition includes a first fluorine containing binder including a polar functional group; a second fluorine containing binder not including a polar functional group; and a non-fluorine containing binder including a repeating unit resulting from polymerization of an acryl monomer and a repeating unit resulting from polymerization of an olefin monomer, wherein the first fluorine containing binder is a vinylidene fluoride containing binder is provided. | 03-26-2015 |
20150200398 | BINDER COMPOSITION FOR SECONDARY BATTERY, CATHODE AND LITHIUM BATTERY INCLUDING THE BINDER COMPOSITION - In an aspect, a binder composition for a secondary battery including a first fluoropolymer binder containing a polar functional group; a second fluoropolymer binder that does not contain a polar functional group; and a non fluoropolymer binder is provided. | 07-16-2015 |
20150200399 | BINDER COMPOSITION FOR SECONDARY BATTERY, CATHODE AND LITHIUM BATTERY INCLUDING THE BINDER COMPOSITION - In an aspect, a binder composition for a secondary battery including a first fluoropolymer binder including a tetrafluoroethylene polymer binder, a second fluoropolymer binder including a vinylidene fluoride binder, and a non fluoropolymer binder is provided. | 07-16-2015 |