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Sagamihara, Japan

Patent
Ohara Inc. and SANYO Electric Co. | Date: 2012-03-15

Provided are a non-aqueous electrolyte secondary battery having excellent high-temperature durability and capable of reducing the initial percent defective and a process for producing the same. The non-aqueous electrolyte secondary battery includes: a positive electrode containing a positive-electrode active material; negative electrode containing a negative-electrode active material; a non-aqueous electrolyte; and a porous layer provided on a surface of the positive electrode, wherein the porous layer contains inorganic solid electrolyte particles having a crystalline structure of rhombohedral crystal (R3c) with lithium ion conductivity represented by Li


Patent
Ohara Inc. | Date: 2013-05-15

An all-solid secondary battery has first electrode layers, and second electrode layers laminated on both sides of the first electrode layer with solid electrolyte layers placed in between, wherein at least one first opening is provided which penetrates the first electrode layer and the solid electrolyte layers adjacent to the first electrode layer, and the second electrode layers present on both sides of the first electrode layer are in contact with each other on the inside of the first opening.


It is an object of the present invention to provide a crystallized glass which has various properties required for employing the substrate for information recording medium of the next generation, and also has significantly low specific gravity; and a crystallized glass substrate for information recording medium. A crystallized glass containing, as a crystal phase, one or more selected from RAl


Patent
Ohara Inc. | Date: 2012-03-15

In the all-solid secondary battery of the present invention, a positive electrode layer and a negative electrode layer are disposed on both sides of a solid electrolyte layer, a first inorganic solid electrolyte and a second inorganic solid electrolyte are included into at least one of the positive electrode layer, the negative electrode layer, and the solid electrolyte layer, the content of transition metal in the first inorganic solid electrolyte is less than 15% by mass on oxide basis, and the content of transition metal in the second inorganic solid electrolyte is 15% by mass or more on oxide basis.


Patent
Ohara Inc. | Date: 2012-05-29

To provide a lithium ion conductive inorganic substance that makes it possible to further enhance the charge-discharge voltage of batteries and to further improve the charge-discharge properties of batteries. The lithium ion conductive inorganic substance includes a ZrO

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