Class / Patent application number | Description | Number of patent applications / Date published |
429231600 | Alkaline earth metal or magnesium (Mg) component is active material | 25 |
20080318129 | Fuel Cell Cathodes - The present invention relates to a method of producing a fuel cell cathode, fuel cell cathodes, and fuel cells comprising same. | 12-25-2008 |
20090023071 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY - A positive electrode active material for a lithium secondary battery according to an aspect of the present invention is a lithium-transition metal compound oxide which is produced by mixing a lithium compound, a transition metal compound, a magnesium compound, and a sulfate and conducting firing and which contains magnesium atoms and sulfate groups, wherein a magnesium halide is used as the magnesium compound. | 01-22-2009 |
20090269668 | Active Material for Lithium Ion Battery Having Mg-Containing Lithium Titanate and Lithium Ion Battery - It is an object of the present invention to provide an active material for lithium ion battery having an excellent discharge capacity in the potential flat part and a high-performance and long-life lithium ion battery, and particularly to provide a technology of improving voltage flatness. | 10-29-2009 |
20100055570 | BIOBATTERY WITH NANOCRYSTALLINE MATERIAL ANODE - A bioelectric battery used to power an implantable device comprises an anode electrode and a cathode electrode separated by an insulating member. The anode is formed from a nanocrystalline or ultra fine grain sized magnesium alloy. The magnesium alloy can be formed by subjecting a starting magnesium alloy to one or more plastic deformation treatments to reduce grain size and improve uniform material distribution, thereby reducing corrosion loss and improving service life. | 03-04-2010 |
20100086855 | CATHODE MATERIAL, MANUFACTURING METHOD OF CATHODE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES PROVIDED WITH THE CATHODE MATERIAL - An object is to provide a positive electrode material capable of increasing a discharge capacity of a nonaqueous electrolyte secondary battery, a production method thereof, and the like. Provided are a positive electrode material having a particulate active substance containing lithium manganese phosphate, wherein the particulate active substance is provided with a membranous material containing carbon and attached to the surface of the particulate active substance, and a projecting material containing carbon and projecting outward from the surface of the particulate active substance or the membranous material, a method for producing a positive electrode material having a particulate active substance containing lithium manganese phosphate, which performs a hydrothermal synthesis step of forming a particle containing lithium manganese phosphate by a hydrothermal method in the presence of a first organic compound with a molecular weight of 350 or less, which has two or more hydroxy groups in a molecule, and a calcination step of calcinating the particle in the presence of a second organic compound with a molecular weight of 500 or more, which has a hydroxy group in a molecule, and the like. | 04-08-2010 |
20100196762 | POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING THE SAME, AND ELECTROCHEMICAL DEVICE - The invention provides a high-capacity positive electrode active material capable of sufficiently exploiting the excellent characteristics of magnesium metal or the like as a negative electrode active material, such as high energy capacity; a method for producing the same; and an electrochemical device using the positive electrode active material. A positive electrode | 08-05-2010 |
20100221611 | Electrode Compositions and Processes - A composition for use in an electrochemical cell is disclosed wherein the composition includes a clean metal substantially free of impurities and a layer of protective material in contact with the clean metal. Further disclosed is an electrochemical cell including a metal film comprising a clean metal substantially free of impurities. The electrochemical cell may further include an electrolyte and a layer of protective material disposed between the electrolyte and the metal film. A process for manufacturing an electrode is further disclosed including preparing a metal film comprising a clean metal substantially free of impurities and depositing a layer of protective material on to the metal film. | 09-02-2010 |
20100221612 | Electrode Compositions and Processes - A composition for use in an electrochemical cell is disclosed wherein the composition includes a clean metal substantially free of impurities and a layer of protective material in contact with the clean metal, wherein the protective material comprises a protective metal component, a multi-component material, a multi-layered component or a combination thereof. Further disclosed is an electrochemical cell including a metal film comprising a clean metal substantially free of impurities. The electrochemical cell may further include an electrolyte and a layer of protective material disposed between the electrolyte and the metal film, wherein the protective material comprises a protective metal component, a multi-component material, a multi-layered component or a combination thereof. A process for manufacturing an electrode is further disclosed including preparing a metal film comprising a clean metal substantially free of impurities and depositing a layer of protective material on to the metal film, wherein the protective material comprises a protective metal component, a multi-component material, a multi-layered component or a combination thereof. | 09-02-2010 |
20120196186 | ELECTRODE MATERIAL WITH CORE-SHELL STRUCTURE - The present invention discloses a composite material having an ionic and electronic conductive outer shell with an active material inner core located within the outer shell. The outer shell can be impervious to a gas and a liquid, and in some instances contains a compound such as SiO | 08-02-2012 |
20120258370 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS-SYSTEM SECONDARY BATTERY AND PRODUCTION PROCESS FOR THE SAME | 10-11-2012 |
20120301788 | ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, ELECTRODE FOR LITHIUM SECONDARY BATTERY WHICH INCLUDES THE SAME, AND LITHIUM SECONDARY BATTERY USING THE ELECTRODE - An electrode active material including a core active material and a coating layer, including a compound represented as the following Formula 1, on a surface of the core active material, a method of preparing the same, an electrode for a lithium secondary battery which includes the same, and a lithium secondary battery using the electrode. | 11-29-2012 |
20130143126 | CATHODE CURRENT COLLECTOR COATED WITH PRIMER AND MAGNESIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a current collector prepared by coating a primer on a metallic base and a magnesium secondary battery including the same. The primer includes a conductive material and a polymer material and enhances adhesive strength between a cathode current collector and an active material, thereby maintaining stability in an operating voltage range of the battery without increasing internal resistance. | 06-06-2013 |
20130202969 | METHOD FOR PRODUCING ANODE MATERIAL, ANODE MATERIAL, METHOD FOR PRODUCING LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY - A main object of the present invention is to provide a method for producing an anode material which enhances the reversibility of the conversion reaction and the cycle characteristics of lithium secondary batteries. The object is attained by providing a method for producing an anode material that is used in a lithium secondary battery, comprising a mechanical milling step of micronizing a raw material composition containing MgH | 08-08-2013 |
20130224597 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY HAVING A LITHIUM-CONTAINING TRANSITION METAL OXIDE COATED WITH A FILM CONTAINING Li, B and C AS A POSITIVE ACTIVE MATERIAL - A nonaqueous electrolyte secondary battery is obtained which shows good cycle characteristics even when charged to a high voltage. The nonaqueous electrolyte secondary battery has a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte, wherein a lithium-containing transition metal oxide having a layered structure is contained in the positive electrode as the positive active material, an additive which is reductively decomposed in the range of +3.0-1.3 V versus metallic lithium is contained in the nonaqueous electrolyte, and the battery after assembled is overdischarged until a potential of the positive electrode falls down to a reductive potential of the additive or below. | 08-29-2013 |
20130230777 | LITHIUM BASED ANODE WITH NANO-COMPOSITE STRUCTURE AND METHOD OF MANUFACTURING SUCH - An active anode ( | 09-05-2013 |
20140045071 | MAGNESIUM SECONDARY BATTERY - A magnesium secondary battery includes: a negative electrode for adsorbing and releasing a magnesium ion; a positive electrode for producing a magnesium oxide product in a discharging process; and a non-aqueous magnesium ion conductor disposed between the negative electrode and the positive electrode. The positive electrode includes an accelerator for promoting the magnesium oxide product, which is decomposed to a magnesium ion and an oxygen molecule easier than MgO. In this case, since the electrochemical reaction at the positive electrode in a charging process rapidly progresses, the magnesium secondary battery can charge and discharge repeatedly. Thus, the battery functions as a secondary battery sufficiently. | 02-13-2014 |
20140220449 | LITHIUM BASED ANODE WITH NANO-COMPOSITE STRUCTURE AND METHOD OF MANUFACTURING SUCH - An active anode ( | 08-07-2014 |
20140255784 | MATERIALS THAT INCLUDE CONCH SHELL STRUCTURES, METHODS OF MAKING CONCH SHELL STRUCTURES, AND DEVICES FOR STORING ENERGY - Embodiments of the present disclosure provide for materials that include conch shell structures, methods of making conch shell slices, devices for storing energy, and the like. | 09-11-2014 |
20150079476 | SEAWATER POWER GENERATION SYSTEM - A seawater power generation system is installed beside an ocean and comprises a seawater processing apparatus, a precipitation apparatus, a separation apparatus and a power generation apparatus. The seawater processing apparatus obtains seawater from the ocean and concentrates the seawater into concentrated seawater. The precipitation apparatus heats the concentrated seawater to form a precipitate of a metal oxide. The separation apparatus heats the metal oxide and reduces the metal oxide into a metal. The power generation apparatus uses the metal as a first electrode and includes a second electrode and an electrolyte contacting the first electrode and the second electrode. Thereby, the seawater is continuously fabricated into the first electrode. The electrolyte respectively reacts with the first electrode and the second electrode in an electrochemical reaction fashion to form a potential difference between the first and second electrode and generate stable electric power. | 03-19-2015 |
20150099182 | METAL NANOPARTICLES SYNTHESIZED VIA A NOVEL REAGENT AND APPLICATION TO ELECTROCHEMICAL DEVICES - Methods for synthesizing metal nanoparticles and the nanoparticles so produced are provided. The methods include addition of surfactant to a novel reagent complex between zero-valent metal and a hydride. The nanoparticles produced by the method include oxide-free, zero-valent tin nanoparticles useful in fabricating a battery electrode. | 04-09-2015 |
20150099183 | ELECTRODES AND ELECTROCHEMICAL CELLS EMPLOYING METAL NANOPARTICLES SYNTHESIZED VIA A NOVEL REAGENT - Electrodes employing as active material metal nanoparticles synthesized by a novel route are provided. The nanoparticle synthesis is facile and reproducible, and provides metal nanoparticles of very small dimension and high purity for a wide range of metals. The electrodes utilizing these nanoparticles thus may have superior capability. Electrochemical cells employing said electrodes are also provided. | 04-09-2015 |
20160087274 | ANODE ACTIVE MATERIAL, SODIUM ION BATTERY AND LITHIUM ION BATTERY - The present invention aims to provide an anode active material which may intend to improve safety of a battery. The object is attained by providing an anode active material used for a sodium ion battery or a lithium ion battery, wherein the anode active material has an A′A | 03-24-2016 |
20160111715 | ELECTRODE MATERIAL WITH CORE-SHELL STRUCTURE - The present invention discloses a composite material having an ionic and electronic conductive outer shell with an active material inner core located within the outer shell. The outer shell can be impervious to a gas and a liquid, and in some instances contains a compound such as SiO | 04-21-2016 |
20160126537 | CARBON ELECTRODE AND METHOD FOR MANUFACTURING THEREOF - Provided are a carbon electrode particularly suitable to be used as a negative electrode of an energy storing apparatus and the like and a method for manufacturing the same by forming the carbon electrode by heat-treating a natural carbon material such as a natural fiber sheet including a natural fiber or cellulose sheet including a natural cellulose fiber which is a natural material other than a petroleum-based material or a petroleum-based synthetic material to reduce manufacturing cost, shorten a manufacturing process, minimize discharge of a hazardous substance, and uniformly maintain storage capacitance even in repeated charging and discharging when being applied to the energy storing apparatus. The carbon electrode includes any one of an alkali metal particle and an alkali earth metal particle having an average particle size of less than 100 nm which is formed on a surface in a process of carbonizing a natural carbon material. | 05-05-2016 |
20160164102 | PROTECTIVE COATING OF METAL - This invention is directed to a hydrophobic, ionically-conductive coating for a metal surface comprising a plurality of organic surface moieties covalently bound to the metal surface, and at least one ionic liquid nanoscale ionic material tethered to at least one surface moiety. | 06-09-2016 |