Patent application number | Description | Published |
20090034158 | Electric Double Layer Capacitor - An electric double layer capacitor containing a capacitor element comprised of electrodes including a pair of polarizable electrodes facing each other across a separator and an electrolytic solution, wherein at least one of the polarizable electrodes has a density of 0.40 to 0.59 g/cm | 02-05-2009 |
20110176255 | METHOD FOR MANUFACTURING ELECTRODE FOR ELECTROCHEMICAL ELEMENT - Disclosed is a method for manufacturing an electrode for an electrochemical element, that is capable of forming an electrode active material layer on a current collector, particularly a perforated current collector having through-holes extended from the obverse surface to the reverse surface thereof, such as a punching metal or an expanded metal, simply, evenly and with good adhesion. The method is characterized by comprising the steps of (1) forming an electrode active material layer on a surface of a base material by using an electrode composition containing an electrode active material, an electroconductive material, and a binder, (2) laminating a current collector on the electrode active material layer formed on the surface of the base material, followed by hot pressing to bond the electrode active material layer and the current collector to each other, and (3) separating the base material from the electrode active material layer. | 07-21-2011 |
20110294329 | CONNECTOR - A male connector comprises: a holder, attached rotatably to the outer peripheral surface of a plug main unit portion, having male threads formed on the outer peripheral surface thereof and having sliding grooves formed at specific intervals at the rearward side on the outer peripheral surface; and a knob portion, formed integrally with engaging protruding portions that have engaging hooks on the tip end sides thereof and that sliding in the sliding grooves, where the knob portion is attached so as to be able to rotate together with the holder. | 12-01-2011 |
20130316235 | SLURRY FOR SECONDARY BATTERY NEGATIVE ELECTRODES, SECONDARY BATTERY NEGATIVE ELECTRODE AND MANUFACTURING METHOD THEREOF, AND SECONDARY BATTERY - 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 % of an ethylenically unsaturated carboxylic acid monomer unit (a2), and 30 wt % to 79.5 wt % of a unit (a3) of a monomer that is copolymerizable therewith; the water-soluble polymer (B) contains 20 wt % to 60 wt % of an ethylenically unsaturated carboxylic acid monomer unit (b1), 25 wt % to 78 wt % of a (meth)acrylic acid ester monomer unit (b2), and 2 wt % to 15 wt % of a unit (b3) of a sulfonic acid group-containing monomer that is copolymerizable therewith; and a ratio (A)/(B) of the water-insoluble polymer (A) relative to the water-soluble polymer (B) is 80/20 to 95/5. | 11-28-2013 |
20130330622 | SECONDARY CELL NEGATIVE ELECTRODE, SECONDARY CELL SLURRY COMPOSITION FOR NEGATIVE ELECTRODE, AND METHOD OF PRODUCING SECONDARY CELL NEGATIVE ELECTRODE - 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 a (meth)acrylic acid ester monomer unit, and 0.5 wt % to 10 wt % of a fluorine-containing (meth)acrylic acid ester monomer unit is used as the water-soluble polymer. | 12-12-2013 |
20140205904 | BINDER COMPOSITION FOR SECONDARY BATTERY NEGATIVE ELECTRODE, NEGATIVE ELECTRODE FOR SECONDARY BATTERY, NEGATIVE ELECTRODE SLURRY COMPOSITION, MANUFACTURING METHOD, AND SECONDARY BATTERY - A binder composition for a negative electrode of a secondary battery, including a particulate binder, and a water-soluble polymer containing an acidic functional group, wherein the water-soluble polymer has an ion conductivity of 1×10 | 07-24-2014 |
20140342226 | ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, SLURRY COMPOSITION, AND METHOD FOR PRODUCING ELECTRODE FOR LITHIUM ION SECONDARY BATTERY - An electrode for a lithium ion secondary battery includes an electrode active material and a water-soluble polymer. The water-soluble polymer is a copolymer containing 1% by weight to 30% by weight of an aromatic vinyl monomer unit, 20% by weight to 60% by weight of an unsaturated carboxylic acid monomer unit, and 0.1% by weight to 5% by weight of a crosslinkable monomer unit. | 11-20-2014 |
20150132643 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery including a positive electrode, a negative electrode, an electrolytic solution, and a separator, in which the negative electrode includes a negative electrode active material layer formed from a slurry composition for a negative electrode which includes a binder composition for a negative electrode including a particulate polymer A containing an aliphatic conjugated diene monomer unit and a negative electrode active material. The positive electrode includes a positive electrode active material layer formed from a slurry composition for a positive electrode which includes a binder composition for a positive electrode including a particulate polymer B containing an ethylenically unsaturated carboxylic acid monomer unit, and a positive electrode active material. | 05-14-2015 |