Patent application number | Description | Published |
20150108396 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - Provided are a positive electrode active material for a lithium ion secondary battery and a secondary battery using the same, by which high discharge energy is obtained at low cost and capacity drop with cycles can be suppressed. A positive electrode active material for a secondary battery according to the embodiment of the present invention is represented by the following formula (I): | 04-23-2015 |
20150118577 | LITHIUM SECONDARY BATTERY - An embodiment of the present invention relates to a lithium secondary battery comprising: a positive electrode comprising a positive electrode active material; and an electrolytic solution comprising a nonaqueous electrolytic solvent, wherein the positive electrode active material operates at a potential of 4.5 V or more versus lithium, and the electrolytic solution comprises: the nonaqueous electrolytic solvent comprising a fluorine-containing phosphate ester represented by a given formula; and a cyclic sulfonate ester represented by a given formula. | 04-30-2015 |
20150132663 | LITHIUM SECONDARY BATTERY - There is provided a secondary battery comprising: a positive electrode capable of intercalating and deintercalating a lithium ion; a negative electrode capable of intercalating and deintercalating a lithium ion; and an electrolytic solution, wherein the electrolytic solution comprises: a fluorine-containing cyclic ether compound represented by the following formula (1); and at least one selected from a fluorine-containing chain ether compound or a fluorine-containing phosphate ester compound; | 05-14-2015 |
20150140443 | LITHIUM SECONDARY BATTERY - The present invention relates to a secondary battery cg a positive electrode capable of absorbing and releasing lithium, and a electrolyte solution containing a non-aqueous electrolytic solvent, wherein the positive electrode has a positive electrode active material which operates at 4.5 V or more relative to lithium, and wherein the non-aqueous electrolytic solvent contains a sulfone compound represented by a predetermined formula and a fluorinated ether compound represented by a predetermined formula. | 05-21-2015 |
20150213763 | ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS - An electro-optical device including a substrate; an array region which is formed on the substrate and in which a plurality of light emitting pixels are arranged two-dimensionally; first drive lines that are arranged in a row direction and are connected to each of the light emitting pixels; second drive lines that are arranged in a column direction and are connected to each of the light emitting pixels; a drive circuit that supplies a drive signal to at least one of the first drive line and the second drive line; an inspection terminal that is electrically connected to the drive circuit or the second drive lines; and an electrostatic protection circuit that is connected to the inspection terminal, in which at least a part of the electrostatic protection circuit overlaps the inspection terminal in a plan view. | 07-30-2015 |
20150225714 | KIT FOR NUCLEIC ACID EXTRACTION AND A NUCLEIC ACID EXTRACTOR - A nucleic acid extractor reducing the possibility of cross contamination and a gene analysis apparatus having a nucleic acid amplification function and a detection function are provided. The nucleic acid extractor has a kit for nucleic acid extraction using silica-coated magnetic beads under the presence of a chaotropic agent, and includes a magnet cover | 08-13-2015 |
20150236376 | LITHIUM SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR - An embodiment of the present invention relates to a lithium secondary battery comprising a nonaqueous electrolytic solution comprising a phosphate compound represented by the following general formula (1): O═P(O—R | 08-20-2015 |
20150295277 | LITHIUM SECONDARY BATTERY - A lithium ion secondary battery which is a non-aqueous electrolyte secondary battery comprising a positive electrode comprising a positive electrode active material capable of absorbing and releasing lithium, and an electrolyte solution comprising a non-aqueous electrolyte solvent, wherein the positive electrode comprises a sulfate group, and the non-aqueous electrolyte solvent comprises a sulfone compound represented by a specified formula. | 10-15-2015 |