Patent application number | Description | Published |
20080248392 | Non-Aqueous Electrolyte Secondary Battery - A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode active material comprising a particle of a composite oxide represented by a general formula: Li | 10-09-2008 |
20090035659 | Non-Aqueous Electrolyte Secondary Battery - A lithium-containing composite oxide represented by the formula 1: Li | 02-05-2009 |
20090087740 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention intends to provide a high-capacity type non-aqueous electrolyte secondary battery that includes a nickel-containing lithium composite oxide as a positive electrode active material and exhibits good charge/discharge cycle characteristics even under a high temperature environment. | 04-02-2009 |
20090142663 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME - A nonaqueous electrolyte secondary battery, comprising a positive electrode containing a transition metal-containing composite oxide as a positive electrode active material, a negative electrode containing a negative electrode active material allowing reversible insertion and extraction of lithium, a separator, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains at least one additive (A) selected from the group consisting of ethylene sulfite, propylene sulfite, and propane sultone and at least one additive (B) selected from the group consisting of maleic anhydride, vinylene carbonate, vinylethylene carbonate, and LiBF | 06-04-2009 |
20090297954 | NONAQUEOUS SOLVENT AND NONAQUEOUS ELECTROLYTIC SOLUTION FOR ELECTRICITY STORAGE DEVICE AND NONAQUEOUS ELECTRICITY STORAGE DEVICE, LITHIUM SECONDARY BATTERY AND ELECTRIC DOUBLE LAYER CAPACITOR USING THE SAME - A nonaqueous solvent for an electricity storage device according to the present invention comprises fluorine-containing cyclic saturated hydrocarbon having a structure which is represented by general formula (1) below and in which one or two substituents R are introduced into a cyclohexane ring (in general formula (1), R is represented by C | 12-03-2009 |
20100273045 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery according to the present invention includes a positive electrode and a negative electrode which are capable of reversibly occluding and releasing lithium; a resin layer provided between the positive electrode and the negative electrode; a battery case accommodating the positive electrode, the negative electrode and the resin layer; a nonaqueous electrolyte solution filling the battery case; and an insulating layer interposed, at least partially, between the positive electrode and the resin layer, the insulating layer containing aluminum fluoride. | 10-28-2010 |
20110171540 | NON-AQUEOUS SOLVENT AND NON-AQUEOUS ELECTROLYTIC SOLUTION FOR ENERGY STORAGE DEVICE, AND ENERGY STORAGE DEVICE, LITHIUM SECONDARY BATTERY AND ELECTRIC DOUBLE-LAYER CAPACITOR EACH COMPRISING THE NON-AQUEOUS SOLVENT OR THE NON-AQUEOUS ELECTROLYTIC SOLUTION - A nonaqueous solvent for an electrical storage device according to the present invention includes fluorine-containing cyclic saturated hydrocarbon having a structure represented by the following general formula (1) in which one or two substituents R are introduced into a cyclohexane ring; a compound having a relative dielectric constant of 25 or higher; and a chain carbonate (in general formula (1), R is represented by C | 07-14-2011 |
20110281165 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a positive electrode that contains a lithium composite oxide as an active material. The cut-off voltage of charge is set to 4.25 to 4.5 V. In a region where the positive electrode and the negative electrode face each other, the Wp/Wn ratio R is in the range from 1.3 to 19 where Wp is the weight of the active material contained in the positive electrode per unit area and Wn is the weight of the active material contained in the negative electrode per unit area. This battery is excellent in safety, cycle characteristics, and storage characteristics even when the cut-off voltage of charge in a normal operating condition is set to 4.25 V or more. | 11-17-2011 |
20120130135 | NONAQUEOUS SOLVENT FOR ELECTRICAL STORAGE DEVICE - Provided is a nonaqueous solvent for an electrical storage device, including a fluorine-containing, cyclic, saturated hydrocarbon represented by the following general formula (1) and having a structure obtained by introducing one or two substituents R into a cyclopentane ring: | 05-24-2012 |
20120214067 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A negative electrode active material for a lithium ion secondary battery contains a lithium titanium complex oxide having a composition expressed as Li | 08-23-2012 |
20120214069 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A negative electrode active substance material for a lithium ion secondary battery contains a lithium titanium complex oxide having a composition expressed as Li | 08-23-2012 |
20120270105 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery disclosed in the present application includes: a positive electrode capable of absorbing and releasing lithium, containing a positive electrode active material composed of a lithium-containing transition metal oxide having a layered crystalline structure; and a negative electrode capable of absorbing and releasing lithium, containing a negative electrode active material composed of a lithium-containing transition metal oxide obtained by substituting some of Ti element of a lithium-containing titanium oxide having a spinel crystalline structure with one or more element different from Ti, wherein a retention of the negative electrode is set to be greater than a retention of the positive electrode, and an irreversible capacity rate of the negative electrode is set to be greater than an irreversible capacity rate of the positive electrode, whereby a discharge ends by negative electrode limitation. | 10-25-2012 |
20120321964 | NONAQUEOUS SOLVENT AND NONAQUEOUS ELECTROLYTIC SOLUTION FOR ELECTRICAL STORAGE DEVICE AND NONAQUEOUS ELECTRICAL STORAGE DEVICE, LITHIUM SECONDARY BATTERY AND ELECTRIC DOUBLE LAYER CAPACITOR USING THE SAME - A nonaqueous solvent for an electrical storage device disclosed in the present application includes fluorine-containing cyclic saturated hydrocarbon having a structure represented by the following general formula (1) in which one or two substituents R are introduced into a cyclopentane ring; and a compound having a relative dielectric constant of 25 or higher (in general formula (1), R is represented by C | 12-20-2012 |
20130209884 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A negative electrode active material for lithium ion secondary batteries of the present invention includes a lithium-titanium composite oxide that has a composition represented by Li | 08-15-2013 |
20140170506 | NONAQUEOUS SOLVENT FOR ELECTRICITY STORAGE DEVICE, NONAQUEOUS ELECTROLYTIC SOLUTION AND ELECTRICITY STORAGE DEVICE AND LITHIUM SECONDARY BATTERY USING THE SAME - A nonaqueous solvent for an electricity storage device includes a fluorine-containing cyclic carbonate represented by the following general formula (1) (in general formula (1), R | 06-19-2014 |
20140335357 | NEGATIVE ELECTRODE ACTIVE MATERIAL, ELECTRICAL STORAGE DEVICE, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL - A negative-electrode active material disclosed herein contains a lithium titanate having a spinel structure, and satisfies the relationship B×P<50, where B is a specific surface (unit: m | 11-13-2014 |