Patent application number | Description | Published |
20090155690 | NICKEL-METAL HYDRIDE RECHARGEABLE CELL - A positive electrode plate ( | 06-18-2009 |
20090246071 | HYDROGEN STORAGE ALLOY - Hydrogen storage alloy has a composition expressed by a general formula (La | 10-01-2009 |
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 |
20100216018 | HYDROGEN-ABSORBING ALLOY AND ALKALINE STORAGE BATTERY HAVING THE ALLOY - A hydrogen-absorbing alloy is represented by the general formula Ln | 08-26-2010 |
20120164527 | NEGATIVE ELECTRODE FOR ALKALINE SECONDARY CELL AND ALKALINE SECONDARY CELL USING SAME - An alkaline secondary cell has an electrode assembly including a positive electrode, a negative electrode and a separator, and alkaline electrolyte. The negative electrode includes hydrogen-storage alloy and an oxidation inhibitor that inhibits the hydrogen-storage alloy from being oxidized. The oxidation inhibitor contains a chemical compound, and the chemical compound includes a chemical-bond-formation end that is chemically bonded to the surface of the hydrogen-storage alloy and a water-repellent end having water repellency. | 06-28-2012 |
20120315524 | Negative Electrode for a Nickel-Hydrogen Rechargeable Battery and a Nickel-Hydrogen Rechargeable Battery Using the Same - A negative electrode for a nickel-hydrogen rechargeable battery is a strip-shaped negative electrode, the negative electrode being formed of a core body and a negative mixture layer covering the core body and containing hydrogen-storage alloy particles, including a main section, both sides of which face the positive electrode with the separator intervening therebetween as viewed in a rolled state where the negative electrode forms the electrode group with the positive electrode and the separator, and an outermost circumferential portion and an innermost circumferential portion that are protruding from ends of the main section in a rolling direction and facing the positive electrode with the separator intervening therebetween only with one side, wherein the hydrogen-storage alloy particles contained in the outermost circumferential portion and the innermost circumferential portion have an average diameter larger than an average diameter of the hydrogen-storage alloy particles contained in the main section. | 12-13-2012 |
20130004853 | Negative-Electrode Plate and Cylindrical Cell Including Same - A negative-electrode plate | 01-03-2013 |
20130029209 | Nickel Hydrogen Rechargeable Battery - A nickel hydrogen rechargeable battery has a positive electrode and a negative electrode. The positive electrode includes positive-electrode active material made of nickel hydroxide particles in which magnesium is dissolved, and the negative electrode includes rare earth-Mg—Ni-based hydrogen storage alloy powder. At least either one of the negative and positive electrodes includes as additive at least one selected from a group including zinc and zinc compounds. The content of the additive ranges from 0.2 to 1.5 part by weight per 100 parts by weight of hydrogen storage alloy in the negative electrode, and ranges from 0.3 to 1.5 part by weight per 100 parts by weight of positive-electrode active material in the positive electrode. | 01-31-2013 |
20140120411 | NICKEL HYDRIDE SECONDARY BATTERY - A nickel hydride secondary battery houses an electrode group including a positive electrode and a negative electrode which are overlapped with each other via a separator with an alkaline electrolyte solution, the negative electrode includes a hydrogen absorbing alloy, a negative-electrode additive agent, a thickening agent, and a conductive material, and the negative-electrode additive agent includes at least one selected from calcium fluoride, calcium sulfide, and calcium chloride. | 05-01-2014 |