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1. 发明专利

JP2006324129A REDOX FLOW BATTERY AND ITS CELL 审中-公开
公开(公告)号：JP2006324129A
公开(公告)日：2006-11-30
申请号：JP2005146507
申请日：2005-05-19
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO
发明人： KANNO TAKESHI
IPC分类号： H01M8/18 , H01M8/02
摘要： PROBLEM TO BE SOLVED: To provide cell structure of a redox flow battery generating no bypass of an electrolyte between an electrode and a recessed part of a frame. SOLUTION: A cell of the redox flow battery is equipped with a diaphragm, first and second bipolar plates installed on both sides of the diaphragm, first and second electrodes installed between the diaphragm and the bipolar plate, and first and second frames fixed so as to surround each peripheral end of the first and second bipolar plates, the region of the bipolar plate installed in the frame is formed in a recessed part, the electrode contacted with the bipolar plate is housed in the recessed part, first and second electrode chambers surrounded by the bipolar plate, the frame, and the diaphragm and housing the electrode on the inside are formed, and the first and second electrode chambers have an introduction hole of an electrolyte at an upper end or a lower end and an exhausting hole of the electrolyte at the other end. Right and left ends of the electrode come in contact with inner walls on right and left sides of the frame. COPYRIGHT: (C)2007,JPO&INPIT

2. 发明专利

JP2000149975A REDOX FLOW TYPE SECONDARY BATTERY 失效
公开(公告)号：JP2000149975A
公开(公告)日：2000-05-30
申请号：JP31603698
申请日：1998-11-06
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO
发明人： KANNO TAKESHI , SHIGEMATSU TOSHIO , TOKUDA NOBUYUKI
IPC分类号： H01M8/08 , H01M8/04
摘要： PROBLEM TO BE SOLVED: To reduce shunt current and to save space and automatically cancel the imbalance of liquid quantities among respective tanks by reducing the number of the tanks by forming a structure wherein a first and second electrolyte solution chambers which are provided in an electrolytic solution storage tank and feed a first and second electrolyte solutions to a first and second battery cells, respectively, are partitioned by partitions. SOLUTION: A positive electrode solution tank 1 and a negative electrode solution tank 2 are partitioned into multiple positive electrode solution chambers and negative electrode solution chambers by partitions 9 formed of an electrical insulation, and electrolytic solutions are fed to positive electrode cells and negative electrode cells by positive electrode solution pumps 3 and negative electrode solution pumps 4, respectively. Shunt current loss is decreased by the partitioning of the positive electrode solution and the like, and the number of the electrolytic solution storage tanks does not need to be increased according to multiple battery cell stacks 5 connected in series. An elongate solution passage 6 made of a plastic or the like having high corrosion resistance in each of the partitions 9 in disposed at a position lower than the solution level, to keep the quantity of the solution in each of the chambers uniform. It is recommended that a small hole is formed at a position higher than the solution level of a boundary wall between the positive electrode solution and negative electrode solution tanks 1, 2.

3. 发明专利

JP2000067899A REDOX FLOW SECONDARY BATTERY CELL STACK 失效
公开(公告)号：JP2000067899A
公开(公告)日：2000-03-03
申请号：JP23407098
申请日：1998-08-20
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO
发明人： KANNO TAKESHI , KUMAMOTO TAKAHIRO , SHIGEMATSU TOSHIO , TOKUDA NOBUYUKI
IPC分类号： H01M8/18 , H01M8/24
摘要： PROBLEM TO BE SOLVED: To provide a battery cell stack having a lightened end plate and enhanced in voltage efficiency. SOLUTION: Not only a means for fastening layers in the peripheral area of an end plate but also a means for applying a pressure in a layer direction in the central area is provided on a battery cell stack 10 equipped with a layered product of a single battery cell 9 and two end plates to sandwich it.

4. 发明专利

JP2003123808A REDOX FLOW CELL 审中-公开
公开(公告)号：JP2003123808A
公开(公告)日：2003-04-25
申请号：JP2001319880
申请日：2001-10-17
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO
发明人： KANNO TAKESHI , TSUTSUI YASUMITSU , KUMAMOTO TAKAHIRO , TOKUDA NOBUYUKI
IPC分类号： H01M8/18 , H01M8/04
摘要： PROBLEM TO BE SOLVED: To provide a redox flow cell which can return electrolyte solution back to a tank without fail when circulation of the electrolyte solution stops. SOLUTION: The cell is provided with a tank 20 storing electrolyte solution and a cell stack 10 arranged at a position above the level of the electrolyte solution in the tank 20. The cell stack 10 and the tank 20 are connected with each other by an outgoing piping 30 and a return piping 40. The outgoing piping 30 and the return piping 40 are connected with a by-pass tube 70. A by-pass valve 80 is fitted half way in the by-pass tube 70 and a main valve 60 is fitted in the outgoing piping 30 for adjusting supply and stoppage of the electrolyte solution to the cell stack 10. At stop of the electrolyte solution, electrolyte solution inside the cell stack can be returned to the tank 20 by closing the main valve and opening the by-pass valve 80.

5. 发明专利

JP2001155758A CELL STACK REDOX FLOW SECONDARY CELL 失效
公开(公告)号：JP2001155758A
公开(公告)日：2001-06-08
申请号：JP33405799
申请日：1999-11-25
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO
发明人： KANNO TAKESHI , TOKUDA NOBUYUKI
IPC分类号： H01M8/18 , H01M8/02
摘要： PROBLEM TO BE SOLVED: To provide an improved cell stack that can completely prevent a leakage of electrolyte. SOLUTION: This cell stack is provided with a pair of electrodes 13, 14, sandwiching a diaphragm from both sides. The outer circumference portion of bipolar plates 15, 16 respectively is provided with frames 15f, 16f. The size of the diaphragm is that the end of the diaphragm 12 is pulled out to prevent from being protruded into the outside of the frames 15f, 16f when stacking up cells. The contacting portions of the pair of frames 15f, 16f have been welded each other.

6. 发明专利

JPH11313434A RUBBER COMPOSITION FOR POWER CABLE JOINT AND CONNECTING SLEEVE 失效
公开(公告)号：JPH11313434A
公开(公告)日：1999-11-09
申请号：JP12024498
申请日：1998-04-30
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： TAKII HITOSHI , ITO TETSUJI , KANNO TAKESHI
IPC分类号： H01B3/44 , H02G1/14 , H02G15/08
摘要： PROBLEM TO BE SOLVED: To provide a composition, of which a connecting sleeve used for the intermediate joining or terminal joining of a power cable is made and which shows a low hardness and a high tensile elongation before installation, in order to obtain a large diameter expansion factor, is hard to be torn in a diameter expansion state and in an expanded diameter maintaining state, and furthermore, shows a low permanent elongation after installation for keeping a surface tight contact force. SOLUTION: A connecting sleeve is rubber composition which contains, for 100 wt.pt. of ethylene propylene diene multiplement copolymer(EPDM) (a), 50-120 wt.pts. of baked clay (b), 20-50 wt.pts. of process oil (c), 2-4 wt.pts. of dicumile peroxide (d), 0.1-1.0 wt.pts. of sulfur (e) and 0.5-3.0 wt.pts. of N-N'-m-phenylene bismaleimide (f) or rubber composition, which contains 60-100 wt.pts. of carbon (g) instead of baked clay.

7. 发明专利

JP2001280860A LIQUID COOLER 失效
公开(公告)号：JP2001280860A
公开(公告)日：2001-10-10
申请号：JP2000098264
申请日：2000-03-31
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO , SUMITOMO DENSETSU CORP
发明人： IKEUCHI ATSUO , KANNO TAKESHI , TOKUDA NOBUYUKI , NISHIMURA TAKUYA , MINAMIURA MOTOMASA , KUBO HIROSHI
IPC分类号： F28D1/053 , F28D1/02 , F28F9/02 , F28F21/06
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive and silent liquid cooler which can cool even a corrosive liquid. SOLUTION: First and second thin tube array units 11, 12 are arranged alternately in multiple rows to constitute a heat exchanger 10. Each thin tube array unit 11, 12 is constructed by interconnecting a large number of thin tubes 15, at short interval, with two parallel sub-piping 13, 14 and 16, 17 having closed ends on the sides contrary to each other. An air flow parallel with the thin tube is generated by means of a fan 4 around the thin tubes 15 arranged densely in order to cool the liquid being fed through each thin tube. The heat exchanger 10 is made of synthetic resin when corrosive liquid is cooled.

8. 发明专利

JP2000260460A CELL FOR REDOX FLOW SECONDARY BATTERY 失效
公开(公告)号：JP2000260460A
公开(公告)日：2000-09-22
申请号：JP5851399
申请日：1999-03-05
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO
发明人： KANNO TAKESHI , TOKUDA NOBUYUKI
IPC分类号： H01M8/02 , H01M8/18
摘要： PROBLEM TO BE SOLVED: To provide a cell stack for a redox flow secondary battery excellent in property of sealing an electrolyte and in assemblying a battery cell stack. SOLUTION: This cell is provided, between two frames, with: a diaphragm 1; a pair of bipolar plates 2 arranged on both sides of the diaphragm; electrodes 11, 12 arranged between the diaphragm 1 and the bipolar plates 2; frames 4 individually formed in the peripheral part of each of the pair of bipolar plates; inner circumferential side sealing means 6 for an electrolyte interlaying the diaphragm 1 between them; and outer circumferential sealing means 5 positioned outer circumferential side than the position of the sealing means and not interlaying the diaphragm 1 between them.

9. 发明专利

JPH1114684A SPACE CHARGE MEASURING APPARATUS 失效
公开(公告)号：JPH1114684A
公开(公告)日：1999-01-22
申请号：JP21143397
申请日：1997-06-20
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： KANNO TAKESHI , INOUE YOSHIYUKI
IPC分类号： G01R29/24 , G01N27/60
摘要： PROBLEM TO BE SOLVED: To provide a space charge measuring apparatus which uses a pulse electrostatic stressing method, and is capable of measuring local space charge when a measured sample breaks down dielectrically. SOLUTION: One electrode 4 and the other electrode 5 which interpose an insulator sample 3 in between are provided. To the one electrode 4, a high- voltage pulse generator which applies a pulse voltage is connected, and to the other electrode 5 a piezoelectric element 9 for detecting an elastic wave generated with the application of a pulse voltage is connected. A needle electrode is used for this one electrode 5, and the diameter of curvature of its tip is 10-100 μm, and the magnitude of the piezoelectric element is 1 mm or less.

10. 发明专利

JP2003123807A REDOX FLOW CELL 审中-公开
公开(公告)号：JP2003123807A
公开(公告)日：2003-04-25
申请号：JP2001319879
申请日：2001-10-17
申请人： SUMITOMO ELECTRIC INDUSTRIES , KANSAI ELECTRIC POWER CO
发明人： KANNO TAKESHI , TSUTSUI YASUMITSU , TOKUDA NOBUYUKI
IPC分类号： H01M8/18 , H01M8/04
摘要： PROBLEM TO BE SOLVED: To provide a redox flow cell capable of restraining generation of negative pressure at an upper part of a cell stack. SOLUTION: The cell is provided with a tank 20 storing electrolyte solution and a cell stack 10 arranged at a position above the level of the electrolyte solution in the tank 20 and circulating the electrolyte solution. The cell stack 10 and the tank 20 are connected with each other by an outgoing piping 30 and a return piping 40. The return piping 40 is equipped with a switch valve 60, which is throttled to eliminate negative pressure when the inside of the homeward piping is in negative pressure.

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