Patents by Inventor Yasunari Hisamitsu
Yasunari Hisamitsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8852295Abstract: A secondary battery includes: an electric cell layer including a stack structure sequentially including: a positive electrode layer, a separator layer, and a negative electrode layer having an electrolyte higher in conductivity than an electrolyte of at least one of the separator layer and the positive electrode layer.Type: GrantFiled: May 10, 2013Date of Patent: October 7, 2014Assignee: Nissan Motor Co., Ltd.Inventors: Yasunari Hisamitsu, Hideaki Horie, Taketo Kaneko, Osamu Shimamura
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Publication number: 20130248106Abstract: A secondary battery includes: an electric cell layer including a stack structure sequentially including: a positive electrode layer, a separator layer, and a negative electrode layer having an electrolyte higher in conductivity than an electrolyte of at least one of the separator layer and the positive electrode layer.Type: ApplicationFiled: May 10, 2013Publication date: September 26, 2013Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasunari Hisamitsu, Hideaki Horie, Taketo Kaneko, Osamu Shimamura
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Patent number: 8450011Abstract: A secondary battery includes: an electric cell layer including a stack structure sequentially including: a positive electrode layer, a separator layer, and a negative electrode layer having an electrolyte higher in conductivity than an electrolyte of at least one of the separator layer and the positive electrode layer.Type: GrantFiled: June 5, 2008Date of Patent: May 28, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Yasunari Hisamitsu, Hideaki Horie, Taketo Kaneko, Osamu Shimamura
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Patent number: 8426060Abstract: A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a positive tab connected to the positive electrode plates through a plurality of positive leads; a negative tab connected to the negative electrode plates through a plurality of negative leads; and a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte. According to the laminate cell, the heat capacity of a portion of the positive tab, onto which a plurality of the positive leads are joined, and the heat capacity of a portion of the negative tab, onto which a plurality of the negative leads are joined, are made larger than that of other portions of the positive tab and the negative tab.Type: GrantFiled: June 28, 2010Date of Patent: April 23, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Yasunari Hisamitsu, Takaaki Abe, Takanori Ito, Osamu Shimamura, Takamitsu Saito, Hideaki Horie, Hiroshi Sugawara
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Patent number: 7867650Abstract: A laminate type battery comprises a substrate, a power generating element which has at least one single cell made by a positive electrode layer, an electrolyte layer and a negative electrode layer which are sandwiched by collecting layers from both sides thereof, and an electric circuit portion having electrode terminals which connect the collecting layers to an external device and circuitries which connect the collecting layers and the electrode terminals. In the battery, the power generating element and the electric circuit portion are formed by stacking a plurality of layers on the substrate, and each of the layers is configured such that the power generating element and the electric circuit portion are formed by stacking the layers.Type: GrantFiled: February 6, 2008Date of Patent: January 11, 2011Assignee: Nissan Motor Co., Ltd.Inventors: Yasunari Hisamitsu, Hideaki Horie, Kouichi Nemoto, Yasuhiko Ohsawa
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Publication number: 20100263201Abstract: A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a positive tab connected to the positive electrode plates through a plurality of positive leads; a negative tab connected to the negative electrode plates through a plurality of negative leads; and a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte. According to the laminate cell, the heat capacity of a portion of the positive tab, onto which a plurality of the positive leads are joined, and the heat capacity of a portion of the negative tab, onto which a plurality of the negative leads are joined, are made larger than that of other portions of the positive tab and the negative tab.Type: ApplicationFiled: June 28, 2010Publication date: October 21, 2010Applicant: Nissan Motor Co., Ltd.Inventors: Yasunari HISAMITSU, Takaaki Abe, Takanori Ito, Osamu Shimamura, Takamitsu Saito, Hideaki Horie, Hiroshi Sugawara
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Publication number: 20100239902Abstract: A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a positive tab connected to the positive electrode plates through a plurality of positive leads; a negative tab connected to the negative electrode plates through a plurality of negative leads; and a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte. According to the laminate cell, the heat capacity of a portion of the positive tab, onto which a plurality of the positive leads are joined, and the heat capacity of a portion of the negative tab, onto which a plurality of the negative leads are joined, are made larger than that of other portions of the positive tab and the negative tab.Type: ApplicationFiled: June 1, 2010Publication date: September 23, 2010Applicant: Nissan Motor Co., Ltd.Inventors: Yasunari Hisamitsu, Takaaki Abe, Takanori Ito, Osamu Shimamura, Takamitsu Saito, Hideaki Horie, Hiroshi Sugawara
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Publication number: 20080305394Abstract: A secondary battery includes: an electric cell layer including a stack structure sequentially including: a positive electrode layer, a separator layer, and a negative electrode layer having an electrolyte higher in conductivity than an electrolyte of at least one of the separator layer and the positive electrode layer.Type: ApplicationFiled: June 5, 2008Publication date: December 11, 2008Inventors: Yasunari Hisamitsu, Hideaki Horie, Taketo Kaneko, Osamu Shimamura
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Patent number: 7462420Abstract: An electrode for an all solid polymer battery comprises electrode active material particles which can absorb and release lithium ion through oxidation-reduction, a binder polymer, a polar polymer, and lithium salt. Herewith, the electrode for the all solid polymer battery, in which the cycle durability of the electrode is greatly improved, is provided.Type: GrantFiled: November 5, 2003Date of Patent: December 9, 2008Assignee: Nissan Motor Co., Ltd.Inventors: Yasuhiko Oosawa, Yasunari Hisamitsu
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Publication number: 20080289172Abstract: A laminate type battery comprises a substrate, a power generating element which has at least one single cell made by a positive electrode layer, an electrolyte layer and a negative electrode layer which are sandwiched by collecting layers from both sides thereof, and an electric circuit portion having electrode terminals which connect the collecting layers to an external device and circuitries which connect the collecting layers and the electrode terminals. In the battery, the power generating element and the electric circuit portion are formed by stacking a plurality of layers on the substrate, and each of the layers is configured such that the power generating element and the electric circuit portion are formed by stacking the layers.Type: ApplicationFiled: February 6, 2008Publication date: November 27, 2008Applicant: NISSAN MOTOR CO., LTDInventors: Yasunari Hisamitsu, Hideaki Horie, Kouichi Nemoto, Yasuhiko Ohsawa
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Publication number: 20080124623Abstract: A lithium ion battery is disclosed that will withstand a temperature rise and is further capable of extracting energy for extended battery life. The lithium ion battery is provided with a cathode electrode comprising an electrolytic solution type cathode layer having a first cathode material and a first electrolyte containing electrolytic solution in its support medium. The lithium ion battery is further provided with a gas absorbing reinforcing cathode layer, which can include a second cathode material with heat stability lower than the first cathode material and a polymer cathode layer capable of trapping the gas generated from the second cathode material.Type: ApplicationFiled: November 26, 2007Publication date: May 29, 2008Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasunari Hisamitsu, Osamu Shimamura, Kazuki Miyatake, Hideaki Horie
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Patent number: 7364816Abstract: A laminate type battery comprises a substrate, a power generating element which has at least one single cell made by a positive electrode layer, an electrolyte layer and a negative electrode layer which are sandwiched by collecting layers from both sides thereof, and an electric circuit portion having electrode terminals which connect the collecting layers to an external device and circuitries which connect the collecting layers and the electrode terminals. In the battery, the power generating element and the electric circuit portion are formed by stacking a plurality of layers on the substrate, and each of the layers is configured such that the power generating element and the electric circuit portion are formed by stacking the layers.Type: GrantFiled: November 5, 2003Date of Patent: April 29, 2008Assignee: Nissan Motor Co., Ltd.Inventors: Yasunari Hisamitsu, Hideaki Horie, Kouichi Nemoto, Yasuhiko Ohsawa
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Patent number: 7282297Abstract: A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte; a positive tab connected to the positive electrode plates; and a negative tab connected to the negative electrode plates. According to the laminate cell, the power generating element and the cell package have approximately rectangular plane shapes, and the positive tab and the negative tab are drawn outward from end edges of long sides of the cell package.Type: GrantFiled: August 14, 2003Date of Patent: October 16, 2007Assignee: Nissan Motor Co., Ltd.Inventors: Yasunari Hisamitsu, Takaaki Abe, Takanori Ito, Osamu Shimamura, Takamitsu Saito, Hideaki Horie, Hiroshi Sugawara
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Publication number: 20040157130Abstract: A secondary battery electrode comprises a collector, and an active material layer formed on the collector. Further, the active material layer comprises first active material layer components including an electrode active material, binder and first polar polymer, and second active material layer components including a second polar polymer, and being placed in voids between the first active material layer components. The secondary battery electrode is used in a secondary battery having a gel polymer electrolyte.Type: ApplicationFiled: December 3, 2003Publication date: August 12, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasuhiko Ohsawa, Yasunari Hisamitsu
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Publication number: 20040146781Abstract: A secondary battery electrode comprises a collector, and an active material layer formed on the collector. Further, the active material layer comprises first active material layer components including an electrode active material, binder and first polar polymer, and second active material layer components including a second polar polymer, and being placed in voids between the first active material layer components. The secondary battery electrode is used in a secondary battery having an intrinsic polymer electrolyte.Type: ApplicationFiled: December 12, 2003Publication date: July 29, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasuhiko Ohsawa, Yasunari Hisamitsu
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Publication number: 20040126655Abstract: A laminate type battery comprises a substrate, a power generating element which has at least one single cell made by a positive electrode layer, an electrolyte layer and a negative electrode layer which are sandwiched by collecting layers from both sides thereof, and an electric circuit portion having electrode terminals which connect the collecting layers to an external device and circuitries which connect the collecting layers and the electrode terminals. In the battery, the power generating element and the electric circuit portion are formed by stacking a plurality of layers on the substrate, and each of the layers is. configured such that the power generating element and the electric circuit portion are formed by stacking the layers.Type: ApplicationFiled: November 5, 2003Publication date: July 1, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasunari Hisamitsu, Hideaki Horie, Kouichi Nemoto, Yasuhiko Ohsawa
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Publication number: 20040101752Abstract: An electrode for an all solid polymer battery comprises electrode active material particles which can absorb and release lithium ion through oxidation-reduction, a binder polymer, a polar polymer, and lithium salt. Herewith, the electrode for the all solid polymer battery, in which the cycle durability of the electrode is greatly improved, is provided.Type: ApplicationFiled: November 5, 2003Publication date: May 27, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasuhiko Oosawa, Yasunari Hisamitsu
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Publication number: 20040038122Abstract: A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a positive tab connected to the positive electrode plates through a plurality of positive leads; a negative tab connected to the negative electrode plates through a plurality of negative leads; and a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte. According to the laminate cell, the heat capacity of a portion of the positive tab, onto which a plurality of the positive leads are joined, and the heat capacity of a portion of the negative tab, onto which a plurality of the negative leads are joined, are made larger than that of other portions of the positive tab and the negative tab.Type: ApplicationFiled: August 14, 2003Publication date: February 26, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasunari Hisamitsu, Takaaki Abe, Takanori Ito, Osamu Shimamura, Takamitsu Saito, Hideaki Horie, Hiroshi Sugawara
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Publication number: 20040038124Abstract: A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte; a positive tab connected to the positive electrode plates; and a negative tab connected to the negative electrode plates. According to the laminate cell, the power generating element and the cell package have approximately rectangular plane shapes, and the positive tab and the negative tab are drawn outward from end edges of long sides of the cell package.Type: ApplicationFiled: August 14, 2003Publication date: February 26, 2004Applicant: NISSAN MOTOR CO., LTDInventors: Yasunari Hisamitsu, Takaaki Abe, Takanori Ito, Osamu Shimamura, Takamitsu Saito, Hideaki Horie, Hiroshi Sugawara
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Publication number: 20040038123Abstract: A stack type battery is provided with a plurality of unit cells stacked in a stack direction to be connected in series, and shared voltage measurement tab electrodes formed on the plurality of unit cells, respectively, to allow voltages to be measured for the plurality of unit cells such that the shared voltage measurement tab electrodes are disposed at deviated positions on a side surface of the stack type battery in a direction intersecting the stack direction.Type: ApplicationFiled: August 21, 2003Publication date: February 26, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Yasunari Hisamitsu, Tatsuhiro Fukuzawa, Kouichi Nemoto, Yasuhiko Ohsawa