Class / Patent application number | Description | Number of patent applications / Date published |
429344000 | Chemically specified inorganic solvent other than water | 22 |
20080213674 | SECONDARY BATTERY - The present invention provides a secondary battery using a liquid electrolyte excellent in storage characteristics. The secondary battery includes a cathode, an anode, and a liquid electrolyte, where the cathode and the anode contain at least one mutual active material. This symmetrical electrode configuration, that the at least one active material for the cathode and the anode is mutual, enables equalization of an electrode electric potential difference before charge or after discharge; and thus electrolyte degradation is efficiently restrained to improve storage characteristics. | 09-04-2008 |
20080241705 | Electrode and Method of Fabricating It, and Battery - A battery capable of obtaining a high energy density and obtaining superior cycle characteristics is provided. A spirally wound electrode body | 10-02-2008 |
20080280211 | Electrolyte for Lithium Secondary Battery Comprising Chelating Agent and Lithium Secondary Battery Using the Same - Disclosed herein is an electrolyte for lithium secondary batteries comprising: a chelating agent, which forms complexes with transition metal ions in the battery, and at the same time does not react and coordinate with lithium ions; a non-aqueous solvent; and an electrolyte salt, as well as a lithium secondary battery comprising the electrolyte. The chelating agent, which is contained in the electrolyte for lithium secondary batteries, can suppress a side reaction in which transition metal ions are reduced and deposited as transition metals on the anode. Also, the chelating agent can suppress internal short-circuits in the battery and the resulting voltage drop of the battery and a reduction in the safety and performance of the battery, which can occur when transition metals are deposited on the anode. | 11-13-2008 |
20090263728 | Centrifugal atomization for producing zinc powder - A centrifugal impact atomization process for producing zinc or zinc alloy powder from molten zinc. A stream of molten zinc is injected onto the surface of a spinning disk contained within an atomization chamber. The disk has a cup shaped cavity having an open end, opposing closed end and integral side walls. The disk may have baffles protruding into the open cavity core within the disk. The baffles may have straight or curved side surfaces. The disk is rotated at high speeds between about 10,000 and 15,000 rpm (revolutions per minute). The oxygen content in the chamber is preferably between about 1 and 6 vol %. Zinc powder is produced having more smaller size particles. Zinc alkaline cells utilizing such zinc product as anode active material show improved performance, especially as power source in high discharge services such as digital cameras. | 10-22-2009 |
20100062347 | RECHARGEABLE ZINC CELL WITH LONGITUDINALLY-FOLDED SEPARATOR - A rechargeable zinc cell with a longitudinally-folded separator comprising a zinc negative electrode, a positive electrode, an electrolyte and a separator. The separator comprises at least two wicking layers with a microporous layer in the center thereof, and the separator is folded longitudinally to wrap around a long edge of the zinc negative electrode. A method of constructing a rechargeable zinc cell with a longitudinally-folded separator comprising the steps of placing the zinc negative electrode in contact with at least one of the two wicking layers of the separator, folding the separator longitudinally around a long edge of the zinc negative electrode, placing the positive electrode on said separator and rolling the zinc negative electrode, the positive electrode and the separator into a jelly roll structure. | 03-11-2010 |
20110111308 | ELECTROLYTE FOR A LITHIUM ION BATTERY - An electrolyte for a lithium ion battery includes a vitreous eutectic mixture represented by the formula A | 05-12-2011 |
20110223493 | PRIMARY ALKALINE BATTERY - A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte. | 09-15-2011 |
20130052544 | CATHODE ACTIVE MATERIAL, CATHODE, SECONDARY BATTERY AND MANUFACTURING METHODS FOR THE SAME - An object of the present invention is to provide a cathode active material which contains small-particle sized and low-crystalline lithium transition metal silicate and which undergoes charge-discharge reaction at room temperature. | 02-28-2013 |
20130330637 | SEPARATOR FOR ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE DEVICE - The object of an exemplary embodiment of the invention is to provide a separator for an electric storage device which has small thermal shrinkage under high-temperature environment, and in which the increase of the battery temperature can be suppressed. An exemplary embodiment of the invention is a separator for an electric storage device, which comprises a cellulose derivative represented by a prescribed formula. The separator for an electric storage device can be obtained, for example, by treating a cellulose separator containing cellulose with a phosphate or a phosphite. | 12-12-2013 |
20140154592 | MAGNESIUM BOROHYDRIDE AND ITS DERIVATIVES AS MAGNESIUM ION TRANSFER MEDIA - An electrolyte for a magnesium battery includes a magnesium salt having the formula MgB | 06-05-2014 |
429345000 | Sulfur or phosphorus in the inorganic solvent | 12 |
20100261070 | METHODS FOR THE PREPARATION OF ELECTROLYTES FOR CHROMIUM-IRON REDOX FLOW BATTERIES - A method for preparing a redox flow battery electrolyte is provided. In some embodiments, the method includes the processing of raw materials containing sources of chromium ions in a high oxidation state. In some embodiments, a solution of the raw materials in an acidic aqueous solution is subjected to a reducing process to reduce the chromium in a high oxide state to an aqueous electrolyte containing chromium (III) ions. In some embodiments, the reducing process is electrochemical process. In some embodiments, the reducing process is addition of an inorganic reductant. In some embodiments, the reducing process is addition of an organic reductant. In some embodiments, the inorganic reductant or the organic reductant includes iron powder. | 10-14-2010 |
20100261071 | METALLIZED FIBERS FOR ELECTROCHEMICAL ENERGY STORAGE - A cost effective method and apparatus are provided for forming metallized fibers and depositing multilayer films thereon to form thin film electrochemical energy storage devices. In one embodiment, a fibrous substrate is formed using a fiber spinning process and the fibrous substrate is plated with a copper layer using wet deposition. Multiple material layers are then deposited onto the copper layer to form a lithium-ion battery fiber. | 10-14-2010 |
20110008685 | LIQUID ELECTROLYTE FOR ELECTROCHEMICAL DEVICE - The principal object of the present invention is to provide a liquid electrolyte for electrochemical device having a wide potential window. The invention solves the problem by providing a liquid electrolyte for electrochemical device, which comprises an electrolyte dissolved in an MF | 01-13-2011 |
20110217600 | NONAQUEOUS ELECTROLYTE COMPOSITION AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery is provided and includes a positive electrode, a negative electrode, and an electrolyte. The electrolyte contains a nonaqueous solvent, an electrolyte salt, a matrix polymer and a ceramic powder, and further contains a polyacid and/or a polyacid compound. | 09-08-2011 |
20130022880 | Electrolyte for Non-Aqueous Electrolyte Batteries and Non-Aqueous Electrolyte Battery Using the Same - An electrolyte for a non-aqueous electrolyte battery according to the present invention contains a non-aqueous organic solvent; a solute; and both of difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate as additives. A non-aqueous electrolyte battery according to the present invention uses the above electrolyte. By the composite effect of the difluorobis(oxalato)phosphate and tetrafluoro(oxalate)phosphate in the non-aqueous electrolyte and the non-aqueous electrolyte battery, it is possible to improve not only the cycle characteristics and high-temperature storage stability of the battery but also the low-temperature characteristics of the battery at temperatures of 0° C. or lower. | 01-24-2013 |
20150093655 | IONIC COMPOUNDS HAVING A SILYLOXY GROUP - There is provided an ionic compound having attached thereto a silyloxy group. There is also provided methods of making this ionic compound as well as electrolytes, electrochemical cells and capacitors comprising this ionic compound. | 04-02-2015 |
20160149224 | LITHIUM BATTERY - A lithium battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte, wherein the positive electrode includes a metal positive electrode current collector having a three-dimensional network hollow skeleton and a positive electrode mixture, which is filled in the positive electrode current collector and which contains a positive electrode active material, the thickness of the positive electrode is 0.2 to 5 mm, the nonaqueous electrolyte contains an ionic liquid and a lithium salt, the ionic liquid is a molten salt of a cation and an anion, and the concentration of the lithium salt in the nonaqueous electrolyte is 0.8 to 6.2 mol/L. | 05-26-2016 |
429346000 | Sulfur dioxide containing inorganic solvent | 5 |
20110059372 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - To provide a positive electrode for a nonaqueous electrolyte secondary battery having excellent flexibility and capable of increasing the reliability and productivity, and a nonaqueous electrolyte secondary battery using the positive electrode. The positive electrode for a nonaqueous electrolyte secondary battery includes an active material layer that contains: a positive-electrode active material; a binder made of a fluorine-contained resin containing a vinylidene fluoride unit; and an electrolyte represented by one of the following general formulae (1) and (2): | 03-10-2011 |
20110081583 | Lithium Secondary Battery Using Ionic Liquid - The lithium secondary battery of the present invention is a lithium secondary battery including a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt, wherein the non-aqueous electrolyte includes, as a solvent, an ionic liquid containing a bis(fluorosulfonyl)imide anion as an anion component; and the separator is a nonwoven fabric comprising at least one member selected from an organic fiber and a glass fiber and has a porosity of 70% or more. | 04-07-2011 |
20150099194 | SODIUM-SULFUR DIOXIDE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a sodium-sulfur dioxide secondary battery. The present invention provides a method of manufacturing a sodium-sulfur dioxide secondary battery and a configuration of the sodium-sulfur dioxide secondary battery manufactured using the method. The method includes preparing a cathode and an anode, and providing an inorganic liquid electrolyte containing sulfur dioxide (SO | 04-09-2015 |
20150099195 | SODIUM-METAL CHLORIDE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - There are provided a sodium-metal chloride secondary battery and a method of manufacturing the same. A secondary battery that is operated at room temperature and has a more stable electrochemical characteristic is provided. The present invention provides a sodium-metal chloride secondary battery and a method of manufacturing the same. The battery includes an anode made of a sodium-containing inorganic material, an electrolytic solution containing an electrolyte (NaAlCl | 04-09-2015 |
20160079598 | POSITIVE ELECTRODE CONTAINING METAL CHLORIDE AND ALKALI METAL CHLORIDE AND ALKALI METAL-ION SECONDARY BATTERY HAVING THE SAME - The present invention relates to a positive electrode containing a metal chloride and an alkali metal chloride and an alkali metal-ion secondary battery including the same. The alkali metal-ion secondary battery according to the present invention includes a negative electrode, a positive electrode containing a metal chloride and an alkali metal chloride, and a sulfur dioxide-based inorganic electrolyte solution containing an inorganic electrolyte including sulfur dioxide (SO | 03-17-2016 |