Patents by Inventor Kenji Hosaka
Kenji Hosaka 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).
-
Publication number: 20080220330Abstract: The disclosure relates to bipolar cells including electrodes surrounding a collector. Embodiments of the bipolar cells include a collector containing a highpolymer material. The disclosure also relates to bipolar electrode batteries containing bipolar cells including a collector body containing electrically conductive highpolymer or electrically conductive particles distributed in a high-polymer. By adding such high molecular weight polymer material to the collector, the weight of the collector may be reduced and the output power density per weight of the battery may be improved. The disclosure further relates to methods of forming collecting bodies and electrodes for bipolar cells using an inkjet printing method. Bipolar cells according to the present invention may be used to fabricate batteries such as lithium ion batteries, which may be connected to form battery modules used, for example, to provide electrical power for a motor vehicle.Type: ApplicationFiled: December 7, 2005Publication date: September 11, 2008Applicant: Nissan Motor Co., LtdInventors: Kenji Hosaka, Osamu Shimamura, Hideaki Horie, Takamitsu Saito, Takuya Kinoshita, Takaaki Abe, Naoto Kiriu
-
Publication number: 20080179082Abstract: A wiring board to be inserted between collector foils of each unit cell in a stacked battery includes a comb-shaped insulating substrate and a wiring layer. The insulating substrate has a plurality of teeth and a rod, and the wiring layer is formed on the insulating substrate and includes a plurality of lead wires individually extending from a distal end of each of the plurality of teeth to an end of the rod to deliver a current of a potential across a conductive member being in contact with the distal ends of the teeth to the end of the rod.Type: ApplicationFiled: November 21, 2007Publication date: July 31, 2008Inventors: Takuya Kinoshita, Kenji Hosaka, Hajime Satou, Osamu Shimamura
-
Publication number: 20080138706Abstract: Disclosed are a bipolar battery, a bipolar battery component and a method of manufacturing the same. The bipolar battery minimizes the occurrence of gas bubbles to provide superior battery performance. A battery element has a plurality of bipolar electrodes stacked upon one another while interposing separators therebetween. The bipolar electrode includes a collector formed with a cathode on one surface and an anode on the other surface. The component is a charging part with charging material disposed between collectors and separators to surround at least a periphery of the cathode and a periphery of the anode. An exhaust part is mounted to the charging part to exhaust a residual gas bubble from an inner space to outside of the inner space when stacking the bipolar electrodes.Type: ApplicationFiled: December 5, 2007Publication date: June 12, 2008Applicant: NISSAN MOTOR CO., LTD.Inventors: Gen Takayama, Hajime Sato, Kenji Hosaka, Kenji Hamada, Teruo Segawa
-
Publication number: 20080131759Abstract: A bipolar battery and a battery assembly unit that reduces a current density change in a battery element is disclosed. The bipolar battery comprises a battery element configured by alternately stacking a bipolar electrode and an electrolyte layer, as well as cathode and anode terminal plates electrically connected to the battery element so as to extract the current from the battery element. In the bipolar battery, the total electrical resistance of the cathode and anode terminal plates along the surface direction is smaller than the total electrical resistance of the battery element along the stacking direction between the cathode and anode terminal plates.Type: ApplicationFiled: November 28, 2007Publication date: June 5, 2008Applicant: NISSAN MOTOR CO., LTD.Inventors: Kenji Hosaka, Hideaki Horie, Hajime Satou, Yoshio Shimoida, Teruo Segawa, Gen Takayama, Ohtani Yoshihiko
-
Publication number: 20080131775Abstract: Bipolar batteries configured to minimize the introduction of gas bubbles and methods of manufacturing such batteries are taught herein. One bipolar battery includes an electrolyte layer, which includes a plurality of separators having permeability such that the electrolytes can penetrate therein, in a bipolar electrode wherein a cathode is formed at one side of a collector and an anode is formed at another side of the collector. A stack is formed by stacking the electrolyte layers upon one another. The electrolyte layer of the stack has a layer of overlayed separators.Type: ApplicationFiled: November 7, 2007Publication date: June 5, 2008Applicant: NISSAN MOTOR CO., LTD.Inventors: Gen Takayama, Hajime Sato, Kenji Hosaka
-
Publication number: 20080118826Abstract: A lithium ion battery with cell elements includes a cathode, an anode, and an electrolyte layer between the cathode and the anode. The electrolyte layer includes an arrangement of insulating particles with a plurality of interstitial spaces therebetween, with electrolytes occupying at least some of the interstitial spaces.Type: ApplicationFiled: December 14, 2005Publication date: May 22, 2008Applicant: Nissan Motor Co., Ltd.Inventors: Osamu Shimamura, Taketo Kaneko, Takamitsu Saito, Kenji Hosaka, Hideaki Horie
-
Patent number: 7320846Abstract: A bipolar battery includes a bipolar electrode and an electrolyte layer. The bipolar electrode includes a current collector, a positive electrode layer formed on one surface of the current collector, and a negative electrode layer formed on the other surface of the current collector. The bipolar electrode is sequentially laminated to provide connection in series via the electrolyte layer to form a stack structure. The positive electrode layer, the negative electrode layer and the electrolyte layer are potted with a resin portion.Type: GrantFiled: April 28, 2004Date of Patent: January 22, 2008Assignee: Nissan Motor Co., Ltd.Inventors: Kyoichi Watanabe, Kenji Hosaka, Kouichi Nemoto
-
Publication number: 20070269714Abstract: A battery structure for improving a heat dissipating property and a vibration absorbing performance. The battery structure comprises a plurality of unit cell layers, each formed by alternately stacking a cathode active material layer formed on a surface of one collector, a separator for retaining an electrolyte and an anode active material layer formed on a surface of another collector. The battery structure also comprises a heat dissipating member disposed between at least one unit cell layer and another unit cell layer.Type: ApplicationFiled: May 17, 2007Publication date: November 22, 2007Applicant: NISSAN MOTOR CO., LTD.Inventors: Kyoichi Watanabe, Hajime Sato, Kenji Hosaka, Hideaki Horie
-
Patent number: 7279248Abstract: A bipolar battery comprises: a plurality of bipolar electrodes; electrolyte layers formed between adjacent ones of the plurality of bipolar electrodes, respectively; sealing portions surrounding and sealing the electrolyte layers, respectively; and contributing members contributing to keeping gaps between the adjacent ones of the plurality of bipolar electrodes, respectively. The contributing members are disposed within areas of the sealing portions, respectively.Type: GrantFiled: January 20, 2004Date of Patent: October 9, 2007Assignee: Nissan Motor Co., Ltd.Inventors: Tatsuhiro Fukuzawa, Kouichi Nemoto, Kenji Hosaka
-
BATTERY, ASSEMBLED BATTERY UNIT, VEHICLE EQUIPPED WITH BATTERY, AND BATTERY VOLTAGE ADJUSTING METHOD
Publication number: 20070210760Abstract: A battery is basically provided with an electricity generating element and a discharging section. The electricity generating element has a plurality of electric cells connected in series. The discharging section constantly discharges electricity from each of the electric cells at a prescribed discharge rate so that a voltage in each of the electric cells is lower than a voltage corresponding to a prescribed depth of discharge. The battery is especially useful in a power supply component of a vehicle.Type: ApplicationFiled: March 8, 2007Publication date: September 13, 2007Applicant: Nissan Motor Co., Ltd.Inventors: Oasamu SHIMAMURA, Kenji Hosaka, Takuya Kinoshita, Takaaki Abe, Hideaki Horie -
Publication number: 20070015047Abstract: The disclosure is directed to a bipolar battery that is constructed to improve battery performance by reducing distortions within electrode material of the bipolar battery. The bipolar battery includes multiple battery elements that each include multiple unit batteries. Each unit battery contains a conductor having a positive electrode layer and a negative electrode layer. A collector is positioned between adjacent positive and negative electrode layers of adjacent unit batteries, and an accumulated thickness absorption member is used to separate collectors of adjacent battery elements. The bipolar battery may be used in a motor vehicle, such as an electric car.Type: ApplicationFiled: July 10, 2006Publication date: January 18, 2007Applicant: Nissan Motor Co., Ltd.Inventors: Kenji Hosaka, Ryouichi Senbokuya, Osamu Shimamura, Naoto Kiriu, Hideaki Horie
-
Patent number: 7163765Abstract: A bipolar battery comprises a bipolar electrode in which a positive electrode is provided on one surface of a collector and a negative electrode is provided on the other surface of the collector, a gel electrolyte sandwiched between the positive electrode and the negative electrode, and a sealing layer which is provided between the collectors and surrounds a periphery of a single cell including the positive electrode, the negative electrode, and the gel electrolyte.Type: GrantFiled: October 9, 2003Date of Patent: January 16, 2007Assignee: Nissan Motor Co., Ltd.Inventors: Kenji Hosaka, Tatsuhiro Fukuzawa, Kouichi Nemoto
-
Publication number: 20060127763Abstract: The present invention provides a cell structure that can improve heat dissipation and vibration-proofing nature of a cell without using a cooling medium while keeping rigidity and discharge current quantity of the cell and is characterized by satisfying the following inequality (1): S c × 1000 > b × 1000 S wherein b indicates short-side length of an electrode; S indicates electrode area; and c indicates cell structure thickness.Type: ApplicationFiled: November 22, 2005Publication date: June 15, 2006Inventors: Kyouichi Watanabe, Takaaki Abe, Osamu Shimamura, Takamitsu Saito, Hajime Sato, Kenji Hosaka, Hideaki Horie
-
Publication number: 20040253512Abstract: A bipolar battery includes a bipolar electrode and an electrolyte layer. The bipolar electrode includes a current collector, a positive electrode layer formed on one surface of the current collector, and a negative electrode layer formed on the other surface of the current collector. The bipolar electrode is sequentially laminated to provide connection in series via the electrolyte layer to form a stack structure. The positive electrode layer, the negative electrode layer and the electrolyte layer are potted with a resin portion.Type: ApplicationFiled: April 28, 2004Publication date: December 16, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Kyoichi Watanabe, Kenji Hosaka, Kouichi Nemoto
-
Publication number: 20040161667Abstract: A bipolar battery comprises: a plurality of bipolar electrodes; electrolyte layers formed between adjacent ones of the plurality of bipolar electrodes, respectively; sealing portions surrounding and sealing the electrolyte layers, respectively; and contributing members contributing to keeping gaps between the adjacent ones of the plurality of bipolar electrodes, respectively. The contributing members are disposed within areas of the sealing portions, respectively.Type: ApplicationFiled: January 20, 2004Publication date: August 19, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Tatsuhiro Fukuzawa, Kouichi Nemoto, Kenji Hosaka
-
Publication number: 20040091771Abstract: A bipolar battery comprises a bipolar electrode in which a positive electrode is provided on one surface of a collector and a negative electrode is provided on the other surface of the collector, a gel electrolyte sandwiched between the positive electrode and the negative electrode, and a sealing layer which is provided between the collectors and surrounds a periphery of a single cell including the positive electrode, the negative electrode, and the gel electrolyte.Type: ApplicationFiled: October 9, 2003Publication date: May 13, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Kenji Hosaka, Tatsuhiro Fukuzawa, Kouichi Nemoto
-
Patent number: 4637134Abstract: An apparatus for inserting a plurality of kinds of electronic parts into a predetermined position of a printed board. An electronic part which is successively supplied from an electronic part supplying means is fed to a predetermined supply positioning end by a feeding means. An insertion unit carries the electronic part from this position to a predetermined specific position, thereby inserting the electronic part into the printed board. The printed board is held and positioned by an X-Y table. At a position corresponding to said specific position, the apparatus has a clinching means for clinching the leads of the electronic part which is inserted into the printed board and a control means which controls a predetermined operation of each means.Type: GrantFiled: February 15, 1985Date of Patent: January 20, 1987Assignee: Hitachi, Ltd.Inventors: Tomoya Tomita, Sotozi Hiramoto, Takesi Okubo, Kuniyuki Matsuo, Hiromoto Ashihara, Mitsuo Nakamura, Tsutomu Takahashi, Motoaki Fujino, Kenji Hosaka