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Inventor: Harunari Shimamura


Address: Osaka, JP
No. of applications: 29
Last application issue date: 01/12/2012

Application No.Application TitleIssue Date
20120009465ALKALINE BATTERY
An alkaline battery which is superior in high-rate discharge characteristics and in moderate- and low-rate discharge characteristics is provided.

An alkaline battery according to the present invention includes a closed-end cylindrical batte...

01/12/2012
20110217579ALKALINE BATTERY
A negative electrode (6) of an alkaline battery is a wound porous sheet containing zinc, and includes a hollow part (6a). A main body (21) of a negative electrode current collector (20) is disposed in the hollow part (6a)...
09/08/2011
20110189517ALKALINE BATTERY
An alkaline battery is provided in which the pulse discharge characteristic under high load is improved with a stable performance for drop impact or vibration. The alkaline battery includes a hollow cylindrical positive electrode 2 placed in a cylindrical battery...
08/04/2011
20110189516ALKALINE DRY BATTERY
The present invention provides an alkaline dry battery improved in pulse discharge characteristic under high load in a low temperature atmosphere. The alkaline dry battery of the present invention includes: a hollow cylindrical positive electrode 2 placed in a cy...
08/04/2011
20110151334MERCURY-FREE ALKALINE DRY BATTERY
The present invention provides a mercury-free alkaline dry battery in which a utilization ratio of zinc as a negative electrode active material is increased to improve a discharge characteristic, the mercury-free alkaline dry battery including: a positive electrode; a n...
06/23/2011
20110143210MERCURY-FREE ALKALINE DRY BATTERY
The present invention provides a mercury-free alkaline dry battery which is improved in discharge characteristic at low cost. The mercury-free alkaline dry battery includes: a positive electrode; a negative electrode; and a separator, wherein a negative electrode active...
06/16/2011
20110123847ALKALINE BATTERY
An alkaline battery which is superior in high-rate discharge characteristics and in moderate- and low-rate discharge characteristics is provided.

An alkaline battery according to the present invention includes a closed-end cylindrical batte...

05/26/2011
20100203382ALKALINE BATTERY
An alkaline battery includes: a positive electrode 3 including a positive electrode active material; a negative electrode 6 including a negative electrode active material; a separator 4; and an alkaline electrolyte. The negative electrode active mat...
08/12/2010
20100183916ALKALINE PRIMARY BATTERY
An alkaline primary battery provided with a positive electrode containing a positive electrode active material and graphite, a negative electrode containing a negative electrode active material, a separator, and an alkaline electrolyte, the positive electrode active mat...
07/22/2010
20100129716MERCURY-FREE ALKALINE DRY BATTERY
A mercury-free alkaline battery which can sufficiently suppress generation due to zinc corrosion and Fe contamination, and can exhibit a small amount of a voltage drop after pulse discharge in a low-temperature atmosphere, is provided.

The ...

05/27/2010
20100068620ALKALINE BATTERY
An alkaline battery includes a positive electrode containing as a positive electrode active material manganese dioxide and nickel oxyhydroxide, and when the manganese dioxide is heated, a weight reduction percentage of the manganese dioxide at a temperature within a ran...
03/18/2010
20090269660ALKALINE BATTERY
An alkaline dry battery includes a positive electrode 2 containing manganese dioxide, a negative electrode 3 containing zinc, and an electrolyte containing a potassium hydroxide aqueous solution, which are encased in a cylindrical battery case 1 wit...
10/29/2009
20090263720AA ALKALINE BATTERY AND AAA ALKALINE BATTERY
An AA alkaline battery includes a positive electrode containing larger than or equal to 9.30 g of manganese dioxide. The cumulative pore volume of pores having diameters from 0.97 μm to 10.2 μm, both inclusive, is in the range from 0.0035 ml/g to 0.0070 ml/g, both inc...
10/22/2009
20090263710AA ALKALINE BATTERY
In an AA alkaline battery, an opening of a battery case is sealed by a gasket. The battery case houses a positive electrode, a negative electrode, a separator, and an alkaline electrolyte. The positive electrode contains manganese dioxide having a potential of higher th...
10/22/2009
20090202876OXYGEN PERMEABLE FILM, OXYGEN PERMEABLE SHEET, AND CELL INCLUDING THESE
An oxygen permeable film including an aggregate of water-repellent particles and having an average particle size of the particles of 0.01 to 50 μm has a contact angle with water of not less than 120° and super water repellency, and therefore has an excellent water vap...
08/13/2009
20090197169ALKALINE BATTERY
An alkaline battery comprising a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte, wherein the positive electrode includes manganese dioxide and graphite; the cumulative...
08/06/2009
20090181307AA ALKALINE BATTERY
An AA alkaline battery according to the present invention includes: a positive electrode; a negative electrode; a separator; an alkaline electrolyte; and a negative electrode current collector. The negative electrode contains zinc, indium, and bismuth. The weight of zin...
07/16/2009
20090098454SPHERICAL ELECTROLYTIC MANGANESE DIOXIDE AND ALKALINE PRIMARY BATTERY USING THE SAME
An object is to provide an electrolytic manganese dioxide with optimized properties, and a high capacity alkaline primary battery with excellent high-rate discharge characteristics. Disclosed is a spherical electrolytic manganese dioxide having an average circularity of...
04/16/2009
20090053604ALKALINE PRIMARY BATTERY
An alkaline primary battery of the present invention includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative...
02/26/2009
20090023077ALKALINE BATTERY
An alkaline battery of the present invention includes a positive electrode, a negative electrode, a separator, and an alkaline electrolyte. The positive electrode includes nickel oxyhydroxide and manganese dioxide as a positive electrode active material. The negative el...
01/22/2009
20090023068Alkaline battery
An alkaline battery of this invention includes: a negative electrode including a negative electrode mixture that contains a zinc alloy as an active material, the zinc alloy containing at least aluminum; an alkaline electrolyte; and a positive electrode. The alkaline ele...
01/22/2009
20080170962MANGANESE DRY BATTERY AND MANGANESE DRY BATTERY MANUFACTURING METHOD
An added element other than zinc is yielded at the grain boundaries of zinc forming a negative electrode zinc can. The added element includes at least one element selected from the group of Pb, Bi, Ca, Mg, Si, Al, and In. The zinc can is formed in such a manner that: me...
07/17/2008
20080171266ALKALINE DRY BATTERY
An alkaline dry battery including a zinc negative electrode prepared by dispersing zinc alloy powder containing 0.015 wt % or less of indium and 0.008 wt % to 0.02 wt % both inclusive of aluminum into a gelled alkaline electrolyte containing 0.5 wt % to 3 wt % both incl...
07/17/2008
20080024948Electrical device and battery pack
An electrical device comprises a positive electrode terminal for connection to the positive electrode of a battery, a negative electrode terminal for connection to the negative electrode of the battery, a load circuit receiving power from the positive and negative elect...
01/31/2008
20070160898Air battery and method for producing air electrode for air battery
An air battery that is excellent in heavy-load discharge characteristics and storage characteristics is provided by ensuring the stability of the three-phase interface of a catalyst layer of an air electrode. The air battery has an air electrode including a catalyst lay...
07/12/2007
20070141466Alkaline battery
An alkaline battery includes: a negative electrode including a zinc or zinc alloy powder as an active material; an alkaline electrolyte; and a positive electrode. The zinc or zinc alloy powder has a specific surface area of 0.01 to 10 m2/g, and the weight rat...
06/21/2007
20070117023Alkaline battery and method for producing the same
The storage characteristics of an alkaline battery are improved by suppressing the production of hydrogen gas during storage. The alkaline battery includes a positive electrode, a negative electrode, and a conductive member in contact with the negative electrode. The ne...
05/24/2007
20070077485Thin film for package of alkaline battery and thin air battery using the same
There is provided a thin air battery comprising a power-generating element including air diffusion paper and a water repellent film, the power-generating element sealed in a package composed of first and third sheet layers that cover the air electrode side and negative ...
04/05/2007
20050196663Rectangular air battery
A rectangular air battery includes: a first case having a bottom with air holes; a second case; and an insulating gasket with a substantially U-shaped cross-section. The first case and the second case are joined such that the opening of the second case faces the bottom ...
09/08/2005
 
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