About 51 results
https://drivepatents.com/patents/973480 · 25 Jun 2014
The invention intends to provide a porous film which is formed on a surface of an electrode used for such as a secondary battery and the like, which has excellent binding property and is capable to contribute for improving a cyclic characteristic of the ba...
https://drivepatents.com/patents/974256 · 4 Jun 2014
A nitrile group-containing highly saturated copolymer rubber composition containing a nitrile group-containing highly saturated copolymer rubber (A) having a Mooney viscosity [ML 1+4 , 100°C] of 50 to 200, a nitrile group-containing highly saturated copol...
https://drivepatents.com/patents/975074 · 14 May 2014
In a porous membrane for a secondary battery including non-conductive particles and a water-soluble polymer, as the water-soluble polymer, a copolymer including 15% to 50% by weight of an ethylenically unsaturated carboxylic acid monomer unit, 30% to 80% b...
https://drivepatents.com/patents/975244 · 7 May 2014
A porous membrane for a secondary battery inclulding non-conductive particles and a binder for a porous membrane, wherein the non-conductive particles are spherical polymer particles having a rough surface, the particles satisfy the expression 1.2 ¤ (SB) ...
https://drivepatents.com/patents/976439 · 9 Apr 2014
A composite particle for a lithium secondary battery positive electrode including a coated active material particle and a binder, wherein the coated active material particle includes a positive electrode active material particle and a coating material that...
https://drivepatents.com/patents/978904 · 5 Feb 2014
A polyether compound containing oxirane monomer units in an average number per molecule of 5 to 200, wherein the polyether compound has a cationic group and cross-linkable group in the oxirane monomer units, and a cross-linkable composition containing this...
https://drivepatents.com/patents/980322 · 1 Jan 2014
The porous membrane according to the present invention comprises non-conductive particles, a binder, and a water-soluble polymer, and is characterized in that: the three dimensions of the non-conductive particles, namely the length (L), thickness (t), and ...
https://drivepatents.com/patents/980303 · 1 Jan 2014
In a negative electrode for a secondary battery including a negative electrode active material, a binder, and a water-soluble polymer, a copolymer containing 15 wt% to 50 wt% of an ethylenically unsaturated carboxylic acid monomer unit, 30 wt% to 70 wt% of...
https://drivepatents.com/patents/980609 · 25 Dec 2013
A composition containing an electrode active material, a water-insoluble polymer (A), and a water-soluble polymer (B), wherein: the water-insoluble polymer (A) contains 20 wt% to 60 wt% of an aliphatic conjugated diene monomer unit (a1), 0.5 wt% to 10 wt% ...
https://drivepatents.com/patents/982209 · 6 Nov 2013
Provided is a binder composition for electrodes that has high stability in the form of a liquid composition dissolved or dispersed in a solvent and can improve cycle property of a non-aqueous electrolyte battery. The binder composition used is a binder com...