Class / Patent application number | Description | Number of patent applications / Date published |
429218200 | Hydrogen storage material is active material | 42 |
20080206642 | Hydrogen Storage Material and Method for Preparation of Such a Material - The invention relates to a hydrogen storage material comprising an intermetallic compound capable of forming a hydride with hydrogen. The invention also relates to an electrochemically active material, comprising such a hydrogen storage material. The invention further relates to an electrochemical cell comprising a positive electrode and a negative electrode, said negative electrode comprising such a hydrogen storage material. Furthermore, the invention relates to electronic equipment powered by at least one electrochemical cell according to the invention. Besides, the invention relates to a method for the preparation of a hydrogen storage material according to the invention. | 08-28-2008 |
20080299458 | HYDROGEN STORAGE ALLOY FOR ALKALINE BATTERY AND PRODUCTION METHOD THEREOF, AS WELL AS ALKALINE BATTERY - To provide a hydrogen storage alloy for an alkaline battery capable of having high performance of power characteristics much more beyond the related-art range, and a production method thereof, as well as an alkaline battery by investigating the constituent ratios of the A | 12-04-2008 |
20090011332 | NEGATIVE ACTIVE MATERIAL FOR NICKEL-METAL HYDRIDE ACCUMULATOR - The subject of the invention is a composition comprising:
| 01-08-2009 |
20090061316 | HYDROGEN STORAGE ALLOY ELECTRODE AND ALKALINE STORAGE BATTERY USING THE SAME - A hydrogen storage alloy used in a hydrogen storage alloy electrode | 03-05-2009 |
20090061317 | NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY AND ALKALINE STORAGE BATTERY - An alkaline storage battery has a positive electrode, a negative electrode utilizing hydrogen-absorbing alloy, and an alkaline electrolyte, and wherein the negative electrode contains a hydrogen-absorbing alloy represented by the general formula Ln | 03-05-2009 |
20090061318 | Hydrogen-absorbing alloy and nickel-metal hydride storage battery - A hydrogen absorbing alloy is provided that is represented by the general formula Ln | 03-05-2009 |
20090087745 | ALKALINE STORAGE BATTERY SYSTEM - An alkaline storage battery system includes an alkaline storage battery | 04-02-2009 |
20090104527 | Hydrogen Storage Alloy, Its Production Method, Hydrogen Storage Alloy Electrode, and Secondary Battery - A hydrogen storage alloy containing a phase of a chemical composition defined by a general formula A | 04-23-2009 |
20090111023 | HYDROGEN STORAGE ALLOYS, HYDROGEN STORAGE ALLOY ELECTRODE AND NICKEL METAL HYDRIDE BATTERY USING THE ALLOYS - A nickel metal hydride battery includes particles of hydrogen storage alloys in the negative electrode. Such hydrogen storage alloys have a composition expressed by a general formula: (La | 04-30-2009 |
20090148770 | Hydrogen Absorbing Alloy, Production Method Thereof, and Secondary Battery - The present invention provides a hydrogen absorbing alloy containing a phase of a Gd | 06-11-2009 |
20090155688 | ALKALINE STORAGE CELL - The negative electrode of an alkaline storage cell contains a rare earth-Mg—Ni hydrogen storage alloy. The rare earth-Mg—Ni hydrogen storage alloy has a composition expressed by a general formula: (A | 06-18-2009 |
20090169995 | HYDROGEN STORAGE ALLOY AND ALKALINE STORAGE BATTERY EMPLOYING HYDROGEN STORAGE ALLOY AS NEGATIVE ELECTRODE ACTIVE MATERIAL - A hydrogen storage alloy of the present invention includes component A including a rare earth element represented by Ln and magnesium and component B including elements containing at least nickel and aluminum, wherein a primary alloy phase of a hydrogen storage alloy represents an A | 07-02-2009 |
20090214953 | HYDROGEN STORAGE ALLOY, HYDROGEN STORAGE ALLOY ELECTRODE AND NICKEL METAL HYDRIDE SECONDARY BATTERY USING THE HYDROGEN STORAGE ALLOY - A nickel metal hydride secondary battery includes hydrogen storage alloy particles in a negative electrode. The hydrogen storage alloy has a composition expressed by a general formula (La | 08-27-2009 |
20100009259 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NICKEL-METAL HYDRIDE BATTERY AND NICKEL-METAL HYDRIDE BATTERY USING THE SAME, AND METHOD FOR TREATING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NICKEL-METAL HYDRIDE BATTERY - A negative electrode active material for a nickel-metal hydride battery of the present invention includes a hydrogen storage alloy, the hydrogen storage alloy containing La, Mg, Ni, Co, Al, and element M. The molar ratio y of Ni to the total of La and Mg is 2≦y≦3, the molar ratio z of Co to the total of La and Mg is 0.25≦z≦0.75, the molar ratio α of Al to the total of La and Mg is 0.01≦α≦0.05, and the molar ratio x of Mg to the total of La and Mg is 0.01≦x≦0.5. Element M represents at least one selected from the group consisting of Y and Sn, and the content of element M in the hydrogen storage alloy is 0.4 wt % or less. | 01-14-2010 |
20100021818 | HYDROGEN STORAGE MATERIAL, ELECTROCHEMICALLY ACTIVE MATERIAL, ELECTROCHEMICAL CELL AND ELECTRONIC EQUIPMENT - The invention relates to a hydrogen storage material comprising an alloy of magnesium. The invention further relates to an electrochemically active material and an electrochemical cell provided with at least one electrode comprising such a hydrogen storage material. Also, the invention relates to electronic equipment comprising such an electrochemical cell. | 01-28-2010 |
20100081053 | Negative electrode for alkaline storage battery, alkaline storage battery, and method of manufacturing alkaline storage battery - A negative electrode for alkaline storage batteries uses a hydrogen-absorbing alloy represented by the general formula Ln | 04-01-2010 |
20100119941 | ELECTROCHEMICAL ENERGY SOURCE AND ELECTRONIC DEVICE PROVIDED WITH SUCH AN ELECTROCHEMICAL ENERGY SOURCE - Electrochemical energy sources based on solid-state electrolytes are known in the art. These (planar) energy sources, or ‘solid-state batteries’, efficiently convert chemical energy into electrical energy and can be used as the power sources for portable electronics. The invention relates to an improved electrochemical energy source. The invention also relates to an electronic device provided with such an electrochemical energy source. | 05-13-2010 |
20100178561 | Hydrogen Storage Alloy, Hydrogen Storage Alloy Electrode, Secondary Battery, And Method For Producing Hydrogen Storage Alloy - Provided is a hydrogen storage alloy which is characterized in that two or more crystal phases having different crystal structures are layered in a c-axis direction of the crystal structures. The hydrogen storage alloy is further characterized in that a difference between a maximum value and a minimum value of a lattice constant a in the crystal structures of the laminated two or more crystal phases is 0.03 Å or less. | 07-15-2010 |
20100203385 | NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY, FABRICATION METHOD THEREOF, AND ALKALINE STORAGE BATTERY - A negative electrode for alkaline storage battery using a hydrogen-absorbing alloy includes fluorinated oil and a surface active agent. | 08-12-2010 |
20100221608 | ALLOY POWDER FOR ELECTRODE AND METHOD FOR PRODUCING SAME - An electrode alloy powder includes a hydrogen storage alloy and magnetic material clusters. The hydrogen storage alloy contains 20 to 70 wt % of Ni. The magnetic material clusters contain metal nickel, and have an average cluster size of 8 to 10 nm. A method for producing the electrode alloy powder includes an activation step of allowing a raw material powder including a hydrogen storage alloy to be in contact with an aqueous solution containing A wt % of sodium hydroxide and held at 100° C. or greater for B minutes. A and B satisfy 2410≦A×B≦2800. | 09-02-2010 |
20100239906 | NICKEL-METAL HYDRIDE BATTERY AND METHOD FOR PRODUCING HYDROGEN STORAGE ALLOY - It is an object of the present invention to improve the cycle performance in a nickel-metal hydride battery using a rare earth-Mg—Ni type alloy. The present invention provides a nickel-metal hydride battery having a negative electrode including an La—Mg—Ni based hydrogen absorbing alloy, wherein the hydrogen absorbing alloy has a crystal phase having Gd | 09-23-2010 |
20100255373 | Method for preparing hydrogen absorbing electrode and nickel metal-hydride battery - In a method for preparing a hydrogen absorbing electrode, a hydrogen absorbing alloy which contains a rare earth element as an alloy constituent and a transition metal element is immersed in an aqueous alkaline solution so that the saturation mass susceptibility is 1.0 to 6.5 emu/g of the hydrogen absorbing alloy. The hydrogen absorbing alloy is mixed through the immersing step with an oxide or hydroxide of a rare earth element wherein the oxide or hydroxide has as a main component at least one element selected from the group consisting of Dy, Ho, Er, Tm, Yb, and Lu. Then, a mixture of the hydrogen absorbing alloy and the oxide or hydroxide of the rare earth element is applied to form a desired shape. | 10-07-2010 |
20100323243 | HYDROGEN-ABSORBING ALLOY FOR ALKALINE STORAGE BATTERY AND METHOD FOR MANUFACTURING THE SAME - A hydrogen-absorbing alloy for an alkaline storage battery with high power characteristics and excellent output power stability and a method for manufacturing the same are provided. The hydrogen-absorbing alloy for an alkaline storage battery of the invention is represented by AB | 12-23-2010 |
20110033748 | HYDROGEN-ABSORBING ALLOY POWDER, METHOD FOR TREATING THE SURFACE THEREOF, NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY, AND ALKALINE STORAGE BATTERY - Provided is a hydrogen occluding alloy powder having an ideally activated surface state where oxide and hydroxide precipitated on the surface of said powder have been removed quickly with a simple means. The method for surface treating a hydrogen occluding alloy powder involves agitating a hydrogen occluding alloy powder containing Ni and Mg with an Ni content from 35 to 60 wt % in a lithium hydroxide aqueous solution (first process). Then the hydrogen occluding alloy powder is agitated in an alkali metal hydroxide aqueous solution containing at least either one of sodium hydroxide and potassium hydroxide (second process). | 02-10-2011 |
20110171527 | Hydrogen-Based Electrochemical Energy Storage - An energy storage device ( | 07-14-2011 |
20120009473 | NEGATIVE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY - Disclosed are a negative active material for a secondary lithium battery and a secondary lithium battery including the same. The negative active material for a secondary lithium battery includes an amorphous silicon-based compound represented by the following Chemical Formula 1. | 01-12-2012 |
20120100428 | Particles Coated with an Organically Modified (Hetero)Silicic Acid Polycondensate and Containing a Metal Core Suited for Storing Hydrogen, Batteries Produced Therewith, and Method for the Production Thereof Using the Particles - The present invention relates to particles, which are suited as electrode material for the negative electrode of a battery functioning according to the principle of nickel-metal hydride batteries. In order to increase the power density of such batteries, it is desirable to use relatively small particles for the electrode material. However, said particles are sensitive to air and frequently highly flammable. The invention therefore proposes to provide said particles with a coating made of an organically modified (hetero) silicic acid polycondensate. In the presence of the KOH electrolyte solution, said coating converts during operation into a gel electrolyte, which not only does not impede the passage of the ions necessary for the activity of the battery, but even facilitates it. | 04-26-2012 |
20120308890 | CATHODE ACTIVE MATERIAL AND LITHIUM ION RECHARGEABLE BATTERY USING THE MATERIAL - Provided is a lithium ion rechargeable battery less suffering from swelling even when stored at high temperatures. Disclosed are a cathode active material, a cathode for a lithium ion rechargeable battery using the cathode active material, and a lithium ion rechargeable battery using the cathode. The cathode active material includes particles, each of the particles including a cathode material capable of intercalating and deintercalating lithium ions, and a film formed on at least part of surfaces of the particles. The film includes a compound represented by Chemical Formula (1). Examples of the compound represented by Chemical Formula (1) include lithium squarate and dilithium squarate. Preferably, the lithium ion rechargeable battery is a prismatic battery. | 12-06-2012 |
20130108924 | ANODE MATERIAL, METAL SECONDARY BATTERY, AND METHOD FOR PRODUCTION OF ANODE MATERIAL | 05-02-2013 |
20130136983 | HYDROGEN ABSORBING ALLOY PARTICLES, ALLOY POWDER FOR ELECTRODE, AND ALKALINE STORAGE BATTERY - Disclosed is a hydrogen absorbing alloy particles including a matrix phase and a plurality of segregation phases, the matrix phase including an alloy having a CaCu | 05-30-2013 |
20130157132 | Low Co Hydrogen Storage Alloy - A hydrogen storage alloy is provided which has an extremely low Co content, and can maintain the drain (power) performance (especially pulse discharge characteristics), activity (degree of activity), and life performance at high levels. The hydrogen storage alloy is manufactured by weighing and mixing every material for the hydrogen storage alloy so as to provide an alloy composition represented by the general formula MmNi | 06-20-2013 |
20130202964 | HYDROGEN ABSORBING ALLOY, NEGATIVE POLE, AND NICKEL-HYDROGEN SECONDARY BATTERY - A hydrogen storage alloy wherein elution of Co, Mn, Al, and the like elements into an alkaline electrolyte is inhibited, an anode for a nickel-hydrogen rechargeable battery employing the alloy, and a nickel-hydrogen rechargeable battery having the anode. | 08-08-2013 |
20130295460 | ALKALINE STORAGE BATTERY - [Problem] To suppress increases in the resistance of nickel positive electrodes and assure sufficient battery capacity even after repeated pulse charging and discharging cycles with a large current. [Solution] This alkaline storage battery ( | 11-07-2013 |
20140087253 | NICKEL-METAL HYDRIDE STORAGE BATTERY - A nickel-metal hydride storage battery includes a negative electrode containing a hydrogen storage alloy and an electrolyte solution. The hydrogen storage alloy has a CaCu5-type crystal structure and contains at least a Ni element and a rare earth element. The rare earth element is partly substituted with an Y element, and the electrolyte solution contains NaOH in an amount of 2.0 M or more. | 03-27-2014 |
20140295271 | SURFACE MODIFIED LITHIATED H2V3O8 - A method is described to prepare a cathode material for high energy density rechargeable lithium ion batteries based on H | 10-02-2014 |
20150044562 | NICKEL-HYDROGEN STORAGE BATTERY - A nickel-hydrogen storage battery includes a positive electrode, a negative electrode using an AB | 02-12-2015 |
20150056508 | CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY WITH ENHANCED LIFESPAN CHARACTERISTICS AND METHOD OF PREPARING THE SAME - Disclosed is a cathode active material in which lithium cobalt oxide particles and manganese (Mn) or titanium (Ti)-containing lithium transition metal oxide particles co-exist and a method of preparing the same. | 02-26-2015 |
20150118557 | Hydrogen Storage Alloy, Hydrogen Storage Alloy Electrode, Secondary Battery, And Method For Producing Hydrogen Storage Alloy - Provided is a hydrogen storage alloy which is characterized in that two or more crystal phases having different crystal structures are layered in a c-axis direction of the crystal structures. The hydrogen storage alloy is further characterized in that a difference between a maximum value and a minimum value of a lattice constant a in the crystal structures of the laminated two or more crystal phases is 0.03 Å or less. | 04-30-2015 |
20150311502 | HYDROGEN-STORAGE ALLOY PARTICLES - Novel hydrogen storage alloy particles which include vanadium which can reduce dissolution of vanadium to an alkali aqueous solution over a plurality of charging and discharging cycles when used for a negative electrode of an alkali storage battery are provided. Hydrogen storage alloy particles which contain titanium and vanadium as main components and which have an oxide layer which contains titanium oxide on their surface, the oxide layer having a thickness of 6.2 nm or more, are provided. | 10-29-2015 |
20160172669 | Metal Hydride Compositions and Lithium Ion Batteries | 06-16-2016 |
20160172676 | Metal Hydride Compositions and Lithium Ion Batteries | 06-16-2016 |
20180026264 | BATTERY NEGATIVE ELECTRODE, BATTERY, AND MANUFACTURING METHOD OF BATTERY NEGATIVE ELECTRODE | 01-25-2018 |