|| List of recent Graphite-related patents
|Manufacturing nonaqueous electrolyte secondary battery|
A manufacturing method according to the present invention is a method for manufacturing a nonaqueous electrolyte secondary battery including graphite as a negative-electrode active material. The manufacturing method includes: a step of assembling the battery including a positive electrode and a negative electrode; and a step of performing an initial charging process of performing first charging on the battery.
Toyota Jidosha Kabushiki Kaisha
|Electrical conductive polymer binder for si alloy materials|
A poly(1-pyrenemethyl methacrylate-co-dopamine methacrylamide) ppydma polymer binder has been designed and fabricated, and has demonstrated an excellent performance for silicon (si), graphite and a metal alloy anode materials. The ppydma polymer binder demonstrates the great potential of a catechol moiety for use in a lithium-ion battery..
The Regents Of The University Of California
|Carbon material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and manufacturing carbon material for non-aqueous electrolyte secondary battery|
An objet of the invention is to provide a non-aqueous electrolyte secondary battery superior in input-output characteristics even at a low temperature. To achieve the object, hybrid particles (carbon material) satisfying certain conditions, and composed of graphite particles and carbon particles with a primary particle size from 3 nm to 500 nm, preferably as well as amorphous carbon, are used as a negative electrode active material for a non-aqueous electrolyte secondary battery, so that the input-output characteristics of a non-aqueous electrolyte secondary battery at a low temperature can be improved remarkably..
Mitsubishi Chemical Corporation
|Silicon single crystal growing growing silicon single crystal|
A silicon single crystal growing apparatus based on a czochralski method arranges a graphite crucible inside a graphite heater for heating and a quartz crucible inside the graphite crucible and grows a crystal from a raw material melt filling the quartz crucible, and includes a heater outer heat-insulating member outside the graphite heater, a crucible lower heat-insulating member below the graphite crucible, a crucible upper heat-insulating member above straight bodies of the graphite and quartz crucibles, a crucible outer heat-insulating member outside the straight body of the graphite crucible, a crucible inner heat-insulating member inside the straight bodies of the graphite crucible and the quartz crucible, and a heat shielding member above a liquid surface of the raw material melt, the graphite crucible and the quartz crucible being movable upward and downward in a space enclosed with the crucible upper heat-insulating, crucible outer heat-insulating, and crucible inner heat-insulating members.. .
Shin-etsu Handotai Co., Ltd.
|Advanced technology for iron-chrome alloys production and related plant|
A method for producing ferro-chrome alloys comprising a stechiometric charge and stechiometric slag calculation step, a step of making the plant and the crucible furnace operate at normal regime, steps of casting the metal and the slag, a step of collecting the molten metal in suitable modular moulds made from spheroidal graphite cast iron, a step of removing the ingots contained in the moulds with suitable pincer means, a step of collecting the slag in suitable non-refractory bells or ladles, characterised in that the metal-slag separation takes place directly inside the furnace and in that said castings of metal and slag take place in successive steps so as to allow the drawing off of the liquids in the amounts formed between one casting and the next.. .
|Coating film formation method|
Aluminum alloy-made piston 1 is provided having, on external circumferential surfaces of both skirt portions 8, 9 of base member 1a, a multilayer solid lubricant coating film including inner coating film 21 and outer coating film 22. Both of the inner and outer coating films contain at least one of polyimide-imide resins, polyimide resins and epoxy resins as a binder resin.
Hitachi Automotive Systems, Ltd.
|Exfoliation of graphite using ionic liquids|
Disclosed are methods of exfoliating graphite using one or more ionic liquids. Also disclosed is the exfoliated graphite and/or graphene provided by a disclosed method.
The Board Of Trustees Of The University Of Alabama
|Production of graphene materials in a cavitating fluid|
The invention provides a method of producing a graphene material from a starting graphitic material. In an embodiment, the method comprises: (a) dispersing the starting graphitic material in a liquid medium to form a graphite suspension; and (b) introducing the graphite suspension into a hydrodynamic cavitation reactor that generates and collapses cavitation or bubbles in the liquid medium to exfoliate and separate graphene planes from the starting graphitic material for producing the graphene material.
|Layered composite material|
A layered composite material component has two or more layers of graphite foil. The layers of graphite foil are connected together by way of at least one connecting pin that engages in both layers in a form-fitting manner..
Sgl Carbon Se
|Catalyst molded body containing graphite|
The invention relates to a catalyst molded body, which is produced by deforming a mixture of a metal oxide and a special graphite. The invention further relates to a method for producing the corresponding catalyst molded bodies and to the use of the catalyst molded bodies for catalytic reactions in which hydrogen acts as a reaction reactant or reaction product, in particular hydrogenation, hydrogenolysis, and dehydrogenation reactions.
Clariant International Ltd.
Coated electrodes for lithium batteries
A coated electrode includes a negative electrode and a carbon coating adhered to a surface of the negative electrode. The negative electrode includes an active material selected from the group consisting of lithium, silicon, silicon oxide, a silicon alloy, graphite, germanium, tin, antimony, or a metal oxide; a conductive filler; and a polymer binder.
Gm Global Technology Operations Llc
Blast furnace spool liner
A hearth refractory assembly is provided to improve gas sealing of a blast furnace hearth. The blast furnace hearth has a metal outer shell and a spool extending outwardly therefrom.
Graftech International Holdings Inc.
Water dispersible flame retardant composition comprising phosphorus-functionalized graphite preparation method thereof
Disclosed is a method for producing edge-functionalized graphite with phosphoric acid. According to the method, graphite is pulverized into smaller pieces and is then exposed to an atmosphere containing oxygen and water.
Unist Academy-industry Research Corporation
Process for producing graphite film
The present invention performs special heat treatment on a polymer film in a temperature range from (i) a lower limit to temperature rise being equal to or higher than a starting temperature of thermal decomposition of the polymer film, i.e., which is a temperature observed at an early stage of the thermal decomposition of the polymer film, to (ii) an upper limit to temperature rise being equal to or lower than an intermediate temperature of thermal decomposition of the polymer film. This reduces foaming in the film during graphitization treatment following the special heat treatment.
A graphite electrode exhibits oxidation resistance by modifying the outer radial surface characteristics. The outer radial surface may be modified by providing a textured portion which improves water flow while minimizing water absorbtion.
Graftech International Holdings Inc.
A lithium battery including a cathode; an anode; and an electrolyte disposed between the cathode and the anode is disclosed. In the lithium battery, the cathode includes a nickel-based lithium transition metal oxide having primary particles having an average particle diameter of 2 μm or more, and the anode includes graphite and a silicon-based compound..
Samsung Sdi Co., Ltd.
Systems and methods for dismantling a nuclear reactor
Systems and methods for dismantling a nuclear reactor are described. In one aspect the system includes a remotely controlled heavy manipulator (“manipulator”) operatively coupled to a support structure, and a control station in a non-contaminated portion of a workspace.
Heat-conducting plate, especially for cooling or heating a building
A heat-conducting plate, in particular for cooling or heating a building. The heat-conducting plate including at least one layer of expanded graphite and a pipe which is at least partially received in the layer.
Uponor Innovation Ab
Method of repairing defects in cast iron workpieces, and a connecting cast iron workpieces
A method of repairing defect in cast iron workpiece, including: machining the workpiece in the area of the defect to remove the defective material and form a chamber opening at a surface of the workpiece; anchoring a receptacle to the workpiece above the chamber (2), the receptacle is provided with an orifice in communication with the chamber; adding molten iron (4) into the receptacle so that it at least part of it flows into the chamber; adding slagging agent (5) into the receptacle; heating the slagging agent and the molten iron with an electrode (6); adding nodulizing agent into the molten iron so as to segregate graphite; and allowing the molten iron and the workpiece to cool down slowly. The above-described technique also has applicability for connecting two cast iron workpieces (11, 12) together..
Vestas Wind Systems A/s
Negative electrode for nonaqueous electrolyte secondary batteries, nonaqueous electrolyte secondary battery, manufacturing negative electrode for nonaqueous electrolyte secondary batteries, and manufacturing nonaqueouselectrolyte secondary battery
The present invention provides a negative electrode capable of improving the on-vehicle service life and storage life of a nonaqueous electrolyte secondary battery, a nonaqueous electrolyte secondary battery, and methods for manufacturing them. Provided is a negative electrode (32) used for a lithium-ion secondary battery (1) as a nonaqueous electrolyte secondary battery, including a negative electrode active material made of natural graphite whose surface is coated with amorphous carbon.
Toyota Jidosha Kabushiki Kaisha
Tension device graphite component used in molten metal
A system for applying tension to a component for use in molten metal processing. Preferably, the component includes an outer core and at least one tension rod positioned partially within the outer core.
Intumescent caulking compositions and methods
Embodiments herein include intumescent caulking compositions and methods related thereto. In an embodiment, an intumescent caulking composition is included having a nitrogen phosphorus component and an expandable graphite.
3m Innovative Properties Company
Fiber reinforced composition comprising (a) a polypropylene random copolymer comprising ethylene and/or c4 to c8 α-olefin (pp-raco), (b) fibers (f), and (c) a polar modified polypropylene as adhesion promoter (ap), wherein (i) the polypropylene random copolymer comprising ethylene and/or c4 to c8 α-olefin (pp-raco) heaving a melt flow rate mfr2 (230° c.) measured according to iso 1133 of at least 5 g/10 min, (ii) the fibers (f) are selected from the group consisting of glass fibers, metal fibers, ceramic fibers and graphite fibers, and (iii) the polymer contained in the reinforced composition forms a continuous phase being the matrix of the fiber reinforced composition.. .
Method of production of graphite oxide and uses thereof
The present invention is related to a new scalable method of forming graphite oxide (only one or few layers of carbon atoms) of high purity (notably without metallic residues) and high oxidation degree from graphite flakes in a cost-effective and reduced environmental impact.. .
Belenos Clean Power Holding Ag
High power battery cells having improved cooling
A thermal management system for a battery pack having at least one battery cell is provided. The thermal management system may include a cooling plate disposed adjacent to the at least one battery cell.
Avl Test Systems, Inc.
Anode active material for secondary battery and producing the same, anode and lithium ion battery using the same
To form the silicon oxide-based composite material having new structure as directly obtained by pyrolyzing polysilsesquioxane having specific structure under an inert gas atmosphere, and the formed silicon oxide-based composite material having scattering recognized in a region: 0.02 Å−1<q<0.21 Å−1 in a spectrum measured by a small-angle x-ray scattering method, having graphite carbon in which scattering is recognized at 1,590 cm−1 (g band/graphite structure) and 1,325 cm−1 (d band/amorphous carbon), and a peak intensity ratio (id/ig ratio) of amorphous carbon to crystalline carbon being in a range of 2.0 to 5.0 in a spectrum measured by raman spectroscopy, and being represented by a general formula sioxcy (0.5<x<1.8, 1<y<5).. .
Jnc Petrochemical Corporation
Nonaqueous electrolyte secondary battery
To provide a nonaqueous electrolyte secondary battery excellent in high-temperature charge storage characteristics and high-temperature over-discharge storage characteristics. A nonaqueous electrolyte secondary battery of the present invention has a positive electrode including a positive electrode active material which contains a lithium transition metal oxide having a surface to which a rare earth compound is adhered, a negative electrode including a negative electrode active material which contains a graphite and a silicon oxide represented by siox (0.8≦x≦1.2), and a nonaqueous electrolyte which includes a solvent and a solute and to which a cyclic ether compound is added..
Sanyo Electric Co., Ltd.
Electrical contact for graphene part
An electrical or electronic device is disclosed. In some embodiments, an electrical device includes a single-layer graphene part extending in a lateral direction and a multi-layer graphene structure laterally contacting the single-layer graphene part.
Infineon Technologies Ag