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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US7858231B2
Current collector sheet and electrochemical device
Publication/Patent Number: US7858231B2 Publication Date: 2010-12-28 Application Number: 16/641,405 Filing Date: 2005-06-27 Inventor: Arai, Naoto   Kaiya, Hideo   Ishida, Akiko   Ikoma, Munehisa   Oshima, Toru   Daio, Fumio   Assignee: Panasonic Corporation   Arai, Naoto   Kaiya, Hideo   Nishimura, Ken   Ikoma, Munehisa   Oshima, Toru   Daio, Fumio   IPC: C25B9/06 Abstract: A current collector sheet for an electrode of an electrochemical device has a conductive area and an insulating area on the surface thereof. Examples of the current collector sheet includes: a current collector sheet including an insulating sheet
2 US7833656B2
Electrochemical device and method for producing the same
Publication/Patent Number: US7833656B2 Publication Date: 2010-11-16 Application Number: 54/086,705 Filing Date: 2005-06-27 Inventor: Arai, Naoto   Kaiya, Hideo   Ishida, Akiko   Oshima, Toru   Daio, Fumio   Yoshii, Fumihiko   Saito, Norio   Assignee: Panasonic Corporation   Arai, Naoto   Kaiya, Hideo   Nishimura, Ken   Oshima, Toru   Daio, Fumio   Ikoma, Munehisa   Saito, Norio   IPC: H01M2/16 Abstract: An electrochemical device having an electrode plate assembly. The electrode plate assembly includes (a) at least one first electrode
3 US2008252259A1
Power supply unit and electric apparatus
Publication/Patent Number: US2008252259A1 Publication Date: 2008-10-16 Application Number: 11/898,957 Filing Date: 2007-09-18 Inventor: Suzuki, Kohei   Yoshizawa, Hiroshi   Yuasa, Kohji   Ikoma, Munehisa   Assignee: Suzuki, Kohei   Yoshizawa, Hiroshi   Yuasa, Kohji   Ikoma, Munehisa   IPC: H02J7/00 Abstract: Provided is a power supply unit that notifies the third person that the electric apparatus is in the state prohibiting introduction into vehicle and also make the electric apparatus in the state safely introducible into vehicle at the same time. The power supply unit comprises an introduction-detecting button for detecting introduction of an electric apparatus into vehicle previously, a voltage-detecting unit for detecting the voltage of the power source, a memory unit for storing a control-initiating voltage and a control-terminating voltage lower than the control-initiating voltage, and a control unit for determining, when introduction into vehicle is detected previously with an introduction-detecting button, whether the voltage of the power source detected by the voltage-detecting unit is not lower than the control-initiating voltage, supplying power from the power source to the LED if the voltage of the power source is judged not lower than the control-initiating voltage, causing the LED to notify that the electric apparatus is in the state prohibiting introduction into vehicle, and forcibly discharging the power source until the voltage of the power source reaches the control-terminating voltage. Provided is a power supply unit that notifies the third person that the electric apparatus is in the state prohibiting introduction into vehicle and also make the electric apparatus in the state safely introducible into vehicle at the same time. The power supply unit comprises ...More ...Less
4 US2007077492A1
Nickel oxyhydroxide, manufacturing method therefor, and alkaline primary battery
Publication/Patent Number: US2007077492A1 Publication Date: 2007-04-05 Application Number: 11/540,533 Filing Date: 2006-10-02 Inventor: Kato, Fumio   Ikoma, Munehisa   Assignee: Kato, Fumio   Ikoma, Munehisa   IPC: H01M4/52 Abstract: A nickel oxyhydroxide having a β-type structure is used to greatly improve low-temperature discharge performance and pulse discharge performance under high-load of an alkaline primary battery including a positive electrode containing nickel oxyhydroxide. In the nickel oxyhydroxide having β-type structure, a half-width of a peak of the (001) plane is 0.2 to 0.49° in a powder X-ray diffraction, an average particle size (D50) based on the secondary particle volume is 5 to 10 μm, and an average valence of nickel is 2.9 to 3.0. A nickel oxyhydroxide having a β-type structure is used to greatly improve low-temperature discharge performance and pulse discharge performance under high-load of an alkaline primary battery including a positive electrode containing nickel oxyhydroxide. In the nickel ...More ...Less
5 US2006099493A1
Electrochemical device
Publication/Patent Number: US2006099493A1 Publication Date: 2006-05-11 Application Number: 10/540,862 Filing Date: 2003-12-09 Inventor: Nishimura, Ken   Arai, Naoto   Oshima, Toru   Daio, Fumio   Ikoma, Munehisa   Kaiya, Hideo   Assignee: Nishimura, Ken   Arai, Naoto   Oshima, Toru   Daio, Fumio   Ikoma, Munehisa   Kaiya, Hideo   IPC: H01M10/50 Abstract: An electrochemical device having an electrode plate assembly that includes: (a) at least one first electrode; (b) at least one second electrode; and (c) a separator interposed between the first electrode and the second electrode, the electrode plate assembly including a PTC device. The use of the electrochemical device according to this invention makes it possible to efficiently manufacture secondary batteries with a simple structure, a high reliability and a high electrical capacity. An electrochemical device having an electrode plate assembly that includes: (a) at least one first electrode; (b) at least one second electrode; and (c) a separator interposed between the first electrode and the second electrode, the electrode plate assembly including a PTC ...More ...Less
6 US2006035152A1
Electrochemical device and method for manaufacturing same
Publication/Patent Number: US2006035152A1 Publication Date: 2006-02-16 Application Number: 10/540,867 Filing Date: 2003-12-09 Inventor: Nishimura, Ken   Arai, Naoto   Oshima, Toru   Daio, Fumio   Ikoma, Munehisa   Saito, Norio   Kaiya, Hideo   Assignee: Nishimura, Ken   Arai, Naoto   Oshima, Toru   Daio, Fumio   Ikoma, Munehisa   Saito, Norio   Kaiya, Hideo   IPC: H01M4/64 Abstract: An electrochemical device having an electrode plate assembly. The electrode plate assembly includes (a) at least one first electrode, (b) at least one second electrode, and (c) a separator interposed between the first electrode and the second electrode. The first electrode includes a first current collector sheet and at least one first electrode mixture layer carried thereon. The second electrode includes a second current collector sheet and at least one second electrode mixture layer carried thereon. At least one of the first current collector sheet and the second current collector sheet has a conductive area and an insulating area. An electrochemical device having an electrode plate assembly. The electrode plate assembly includes (a) at least one first electrode, (b) at least one second electrode, and (c) a separator interposed between the first electrode and the second electrode. The first electrode ...More ...Less
7 US6713211B2
Square shaped battery
Publication/Patent Number: US6713211B2 Publication Date: 2004-03-30 Application Number: 09/815,684 Filing Date: 2001-03-23 Inventor: Morishita, Nobuyasu   Yuasa, Shinichi   Taniguchi, Akihiro   Ikoma, Munehisa   Assignee: Morishita, Nobuyasu   Yuasa, Shinichi   Taniguchi, Akihiro   Ikoma, Munehisa   IPC: H01M400 Abstract: A square shaped battery includes: an electrode plate group including a belt-like positive electrode plate, a belt-like negative electrode plate, and a belt-like separator, the belt-like positive electrode plate, the belt-like negative electrode plate, and the belt-like separator being laminated and rolled up to form the electrode plate group; and a pair of power collectors disposed on sides of the electrode plate group for collecting electric power from the electrode plate group. A square shaped battery includes: an electrode plate group including a belt-like positive electrode plate, a belt-like negative electrode plate, and a belt-like separator, the belt-like positive electrode plate, the belt-like negative electrode plate, and the belt-like separator ...More ...Less
8 US2004197647A1
Closed alkaline storage battery
Publication/Patent Number: US2004197647A1 Publication Date: 2004-10-07 Application Number: 10/487,233 Filing Date: 2004-02-26 Inventor: Murashige, Shinji   Nanno, Tetsuo   Izumi, Yoichi   Ikoma, Munehisa   Assignee: Murashige, Shinji   Nanno, Tetsuo   Izumi, Yoichi   Ikoma, Munehisa   IPC: H01M002/08 Abstract: Electrode plate assemblies (41a, 41b, 41c) forming independent elements for electromotive force each contained in a partition member (46) are series-connected and accommodated in a battery case (45). Each element is constructed as a nickel-metal hydride rechargeable battery cell and has an electromotive force of 1.2V, and so the battery connected in series has an output voltage of 3.6V and can be applied to general purpose uses. Electrode plate assemblies (41a, 41b, 41c) forming independent elements for electromotive force each contained in a partition member (46) are series-connected and accommodated in a battery case (45). Each element is constructed as a nickel-metal hydride rechargeable battery cell ...More ...Less
9 US6777129B2
Alkaline storage battery
Publication/Patent Number: US6777129B2 Publication Date: 2004-08-17 Application Number: 09/841,646 Filing Date: 2001-04-24 Inventor: Komori, Katsunori   Sato, Naoto   Taniguchi, Akihiro   Ikoma, Munehisa   Takahashi, Yasuhiro   Ito, Takashi   Assignee: Komori, Katsunori   Sato, Naoto   Taniguchi, Akihiro   Ikoma, Munehisa   Takahashi, Yasuhiro   Ito, Takashi   IPC: H01M236 Abstract: An alkaline storage battery having excellent self-discharge characteristics even after a number of charge-discharge cycles is provided. The alkaline storage battery is provided with a case and an electrode group enclosed in the case, and a separator that is included in the electrode group retains at least 15 mg/cm2 of an electrolyte at least in a period after assembling the battery, from the time the separator is impregnated with the electrolyte to the time the battery is activated. An alkaline storage battery having excellent self-discharge characteristics even after a number of charge-discharge cycles is provided. The alkaline storage battery is provided with a case and an electrode group enclosed in the case, and a separator that is included in the ...More ...Less
10 US2004229121A1
Battery module, and rechargeable battery for constituting the battery module
Publication/Patent Number: US2004229121A1 Publication Date: 2004-11-18 Application Number: 10/873,184 Filing Date: 2004-06-23 Inventor: Hamada, Shinji   Inoue, Hiroshi   Taniguchi, Akihiro   Morishita, Nobuyasu   Fujioka, Noriyuki   Ikoma, Munehisa   Ogata, Yoshiaki   Assignee: Hamada, Shinji   Inoue, Hiroshi   Taniguchi, Akihiro   Morishita, Nobuyasu   Fujioka, Noriyuki   Ikoma, Munehisa   Ogata, Yoshiaki   IPC: H01M002/24 Abstract: A group of electrodes are accommodated in a prismatic cell case of a rechargeable battery. Intervening separators are provided between positive and negative electrode plates arranged alternately in parallel to long lateral walls of the cell case. The positive electrode plates each include a lead portion having a surface on which at least one lead plate is attached. Lateral edges of the positive electrode plates protrude beyond the negative electrode plates on one side, and lateral edges of the negative electrode plates protrude beyond the group of positive electrode plates on the opposite side. The protruding portions form the lead portions. Upper open ends of the cell cases are closed by an integral lid member. A group of electrodes are accommodated in a prismatic cell case of a rechargeable battery. Intervening separators are provided between positive and negative electrode plates arranged alternately in parallel to long lateral walls of the cell case. The positive electrode plates ...More ...Less
11 US6780538B2
Battery module, and rechargeable battery for constituting the battery module
Publication/Patent Number: US6780538B2 Publication Date: 2004-08-24 Application Number: 10/455,345 Filing Date: 2003-06-06 Inventor: Hamada, Shinji   Inoue, Hiroshi   Taniguchi, Akihiro   Morishita, Nobuyasu   Fujioka, Noriyuki   Ikoma, Munehisa   Ogata, Yoshiaki   Assignee: Hamada, Shinji   Inoue, Hiroshi   Taniguchi, Akihiro   Morishita, Nobuyasu   Fujioka, Noriyuki   Ikoma, Munehisa   Ogata, Yoshiaki   IPC: H01M226 Abstract: A battery module is provided which includes multiple rechargeable batteries coupled together. The battery module includes multiple prismatic cell cases having short lateral walls and long lateral walls arranged side by side. Adjacent short lateral walls are integral with each other. The battery module includes holes extending through the short lateral walls of the cell cases at upper edge portions. The battery module also includes a pair of frame fittings that have base ends and protruding portions in each of the cell cases for connecting two adjacent cell cases. The protruding portions of the pair of frame fittings extend into the through holes in the upper edge portions of the short lateral walls of the cell cases from both sides and are welded together. Positive and negative electrode collector plates in the cell cases are respectively attached to the base ends of the frame fittings. End frame fittings that have base ends and protruding portions for cell cases are located at both outer ends of the rechargeable battery for connecting the cell cases to outside terminals. Connection terminals that have protruding portions are connected to the end frame fittings at both outer ends of the rechargeable battery. A battery module is provided which includes multiple rechargeable batteries coupled together. The battery module includes multiple prismatic cell cases having short lateral walls and long lateral walls arranged side by side. Adjacent short lateral walls are integral with each ...More ...Less
12 US6821673B1
Battery module, and rechargeable battery for constituting the battery module
Publication/Patent Number: US6821673B1 Publication Date: 2004-11-23 Application Number: 09/614,769 Filing Date: 2000-07-12 Inventor: Hamada, Shinji   Inoue, Hiroshi   Taniguchi, Akihiro   Morishita, Nobuyasu   Fujioka, Noriyuki   Ikoma, Munehisa   Ogata, Yoshiaki   Assignee: Hamada, Shinji   Inoue, Hiroshi   Taniguchi, Akihiro   Morishita, Nobuyasu   Fujioka, Noriyuki   Ikoma, Munehisa   Ogata, Yoshiaki   IPC: H01M226 Abstract: In each of the cells that constitute an battery module, a plurality of positive electrode plates and negative electrode plates are layered parallel to the long lateral walls of prismatic cell cases with intervening separators therebetween, wherein lateral edge portions of the positive electrode plates protrude beyond the negative electrode plates on one side, and lateral edge portions of the negative electrode plates protrude beyond the group of positive electrode plates on the opposite side, the protruding portions forming lead portions. In each of the cells that constitute an battery module, a plurality of positive electrode plates and negative electrode plates are layered parallel to the long lateral walls of prismatic cell cases with intervening separators therebetween, wherein lateral edge portions of the ...More ...Less
13 WO2004062003A1
ELECTROCHEMICAL DEVICE
Publication/Patent Number: WO2004062003A1 Publication Date: 2004-07-22 Application Number: 0315757 Filing Date: 2003-12-09 Inventor: Daio, Fumio   Ikoma, Munehisa   Nishimura, Ken   Kaiya, Hideo   Arai, Naoto   Oshima, Toru   Assignee: Matsushita Electric Industrial Co., Ltd.   Daio, Fumio   Ikoma, Munehisa   Nishimura, Ken   KAIYA, HIDEO   ARAI, NAOTO   OSHIMA, TORU   IPC: H01M2/34 Abstract: An electrochemical device comprising an electrode plates group composed of (a) at least one first electrode
14 WO2004062004A1
COLLECTOR SHEET AND ELECTROCHEMICAL DEVICE
Publication/Patent Number: WO2004062004A1 Publication Date: 2004-07-22 Application Number: 0315756 Filing Date: 2003-12-09 Inventor: Daio, Fumio   Ikoma, Munehisa   Nishimura, Ken   Kaiya, Hideo   Arai, Naoto   Oshima, Toru   Assignee: Matsushita Electric Industrial Co., Ltd.   Daio, Fumio   Ikoma, Munehisa   Nishimura, Ken   KAIYA, HIDEO   ARAI, NAOTO   OSHIMA, TORU   IPC: H01M2/26 Abstract: A collector sheet on which an electrode mix used for electrodes of electrochemical devices is supported is characterized by having a surface composed of a conductive portion and an insulating portion. Examples of such a collector sheet are
15 WO2004062022A1
ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING SAME
Publication/Patent Number: WO2004062022A1 Publication Date: 2004-07-22 Application Number: 0315755 Filing Date: 2003-12-09 Inventor: Daio, Fumio   Ikoma, Munehisa   Nishimura, Ken   Saito, Norio   Kaiya, Hideo   Arai, Naoto   Oshima, Toru   Assignee: Matsushita Electric Industrial Co., Ltd.   Daio, Fumio   Ikoma, Munehisa   Nishimura, Ken   SAITO, NORIO   KAIYA, HIDEO   ARAI, NAOTO   OSHIMA, TORU   IPC: H01M2/34 Abstract: An electrochemical device comprises a plate group which consists of (a) at least one first electrode
16 US6669742B2
Method for producing a nickel metal-hydride storage battery
Publication/Patent Number: US6669742B2 Publication Date: 2003-12-30 Application Number: 10/090,901 Filing Date: 2002-03-04 Inventor: Onishi, Masato   Tomioka, Katsuyuki   Fujioka, Noriyuki   Ikoma, Munehisa   Assignee: Onishi, Masato   Tomioka, Katsuyuki   Fujioka, Noriyuki   Ikoma, Munehisa   IPC: H01M600 Abstract: A method for producing a nickel metal-hydride storage battery includes: (i) assembling a battery by enclosing the positive electrodes, the negative electrodes, separators, and an electrolyte in a case; (ii) charging the battery with electric current in a range of 0.05 C (ampere) to 0.2 C (ampere) until a state of charge rises to a range of 10% to 30%; (iii) overcharging the battery that has been subjected to the charging, with electric current in a range of 0.2 C (ampere) to 1 C (ampere), and thereafter discharging the same until the state of charge lowers to 10% or below; and (iv) subjecting the battery after overcharging to a plurality of charging-discharging cycles, each charging-discharging cycle being composed of charging the battery that has been subjected to the overcharging, with electric current in a range of 0.2 C (ampere) to 5 C (ampere) until the state of charge rises to a range of 60% to 95%, and discharging the same until a battery voltage lowers to a range of 0.70 V to 1.05 V. In this method, in the charging-discharging cycles, the battery is cooled with a coolant at a temperature in a range of 30° C. to 60° C. This method makes it possible to produce a nickel metal-hydride storage battery at high productivity and low cost. A method for producing a nickel metal-hydride storage battery includes: (i) assembling a battery by enclosing the positive electrodes, the negative electrodes, separators, and an electrolyte in a case; (ii) charging the battery with electric current in a range of 0.05 C (ampere) ...More ...Less
17 US6582483B2
Method for manufacturing positive electrode for alkaline storage battery
Publication/Patent Number: US6582483B2 Publication Date: 2003-06-24 Application Number: 09/851,288 Filing Date: 2001-05-08 Inventor: Morishita, Nobuyasu   Kusama, Kazuyuki   Uda, Satoshi   Ikoma, Munehisa   Assignee: Morishita, Nobuyasu   Kusama, Kazuyuki   Uda, Satoshi   Ikoma, Munehisa   IPC: H01M600 Abstract: A method for manufacturing a positive electrode for an alkaline storage battery that achieves excellent filing characteristics for an active material for the positive electrode and longer lifetime of the battery is provided. The method includes a first process of filling a paste of the active material for the positive electrode in a first porous metal sheet provided with a plurality of oblate pores whose major axes are arranged substantially in one direction, and a second process of pressing the first porous metal sheet that has undergone the first process using a roller press such that the one direction and a direction of a rotation axis of a roller in the roller press substantially are parallel, so as to produce a positive electrode sheet provided with a second porous metal sheet. In the second porous metal sheet, a value obtained by dividing a length of the pores in the one direction by that of the pores in a direction perpendicular to the one direction and parallel to a surface of the second porous metal sheet averages in the range of 0.9 to 1.1. A method for manufacturing a positive electrode for an alkaline storage battery that achieves excellent filing characteristics for an active material for the positive electrode and longer lifetime of the battery is provided. The method includes a first process of filling a paste ...More ...Less
18 US6605387B1
Alkaline storage battery
Publication/Patent Number: US6605387B1 Publication Date: 2003-08-12