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11. 发明专利

JPH04357675A DETECTION AND SEPARATION OF DEFECTIVE BATTERY 失效
公开(公告)号：JPH04357675A
公开(公告)日：1992-12-10
申请号：JP16013191
申请日：1991-06-03
申请人： NGK INSULATORS LTD
发明人： ISOZAKI TAKASHI , MORI KEIICHI , TAMAKOSHI TOMIO
IPC分类号： H01M10/39 , H01M10/48
摘要： PURPOSE:To detect and separate a string including defective battery while a high temperature battery is driven by inserting a guide containing an optical fiber, an endoscope and a cutter and so on from the wall surface of a cell container. CONSTITUTION:When generation of failure is detected by utilizing a voltage measurement wire, a chute-like support 8 is inserted from a through hole of the wall surface of a battery container 6, and the end is fitted to a receiving fitting 7. A hollow guide 9 provided with a cooling mechanism is inserted, and by operating a wire 14 so as to bend the guide, if necessary, so as to let the end reach the point of failure generation. An optical fiber 16 provided with an endoscope 17 and a measurement terminal 18 on the point is inserted into the guide 9, and while the location is verified from the outside, current is run, so as to detect a string including the defective battery by measuring the voltage of a cell 1. An optical fiber having a cutter is then inserted, and a fuse 4 or a conductor of its string is cut, and the defective battery is thus separated.

12. 发明专利

JPH04284370A HIGH-TEMPERATURE CELL ASSEMBLY 失效
公开(公告)号：JPH04284370A
公开(公告)日：1992-10-08
申请号：JP7416191
申请日：1991-03-12
申请人： NGK INSULATORS LTD
发明人： MORI KEIICHI , TAKEYAMA MIKINE
IPC分类号： H01M10/39 , H01M2/10
摘要： PURPOSE:To obtain a high-temperature cell assembly, for which mounting and removal of cell are easy, and for which there is no fear of seizure and so on of a screw even when the cell assembly is operated at high temperature. CONSTITUTION:A predetermined number of sheath tubes 2 in which a cell 1 is enclosed are connected with each other and a cell block is formed thereby. A plurality of projections 3 are provided on the bottom of the cell block, and the cell block is arranged on a frame 5 having a hole 6 correspondent to the projection 3, while the cell block is fixed by inserting a lateral rod 7 through a penetrating part 4 of the projection 3 on the under surface of the frame 5 like a locking bar. The cell is easily fixed to the frame 5 only by the attachment/detachment of the lateral rod 7.

13. 发明专利

JPH04284351A HIGH TEMPERATURE BATTERY DEVICE 失效
公开(公告)号：JPH04284351A
公开(公告)日：1992-10-08
申请号：JP7416291
申请日：1991-03-12
申请人： NGK INSULATORS LTD
发明人： MORI KEIICHI , ATSUMI ATSUSHI
IPC分类号： H01M2/30 , H01M10/39
摘要： PURPOSE:To provide a high temperature battery device having low electric resistance of an interconnector itself and a connecting part between the interconnector and an electrode terminal. CONSTITUTION:An interconnector 4 for connecting many cells 1 in parallel is made of a berylium copper alloy, and is screwed to be fixed to aluminum- made electrode terminals 2 and 3 of the cells 1. The high hardness of the berylium copper alloy causes no relaxation of screws and the low electric resistance of a connecting part. Also nickel-plating the interconnector 4 is preferable to prevent surface oxidation. It is desirable to provide the interconnector 4 and a current fuse at every three cells 1 in series, and to connect the interconnector 4 in 3-8 series.

14. 发明专利

JPH04280021A FUSE FOR HIGH TEMPERATURE CELL 失效
公开(公告)号：JPH04280021A
公开(公告)日：1992-10-06
申请号：JP6870091
申请日：1991-03-07
申请人： NGK INSULATORS LTD
发明人： ABE HIROYUKI , MORI KEIICHI
IPC分类号： H01H37/76
摘要： PURPOSE:To stably exhibit a fuse function for a long period by attaching a fuse main body consisted of a thin film made of conductive metal capable of being fused in a predetermined temperature region to an insulating substrate having heat resistance. CONSTITUTION:A fuse comprises a fuse main body 1 consisted of a thin film made of conductive metal, a narrow fused portion 2 formed in the middle, and an insulating substrate 3 made of ceramic or the like attached onto the back surface of the fuse main body 1. The main body 1 is consisted of the thin film made of an alloy having a low melting point such as pure Zn, an Al-Zn alloy and an Al-Mg alloy having a melting point within a temperature range of 380-440 deg.C so that it can be fused in the case where a temperature of a Na-S cell rises upon occurrence of an accident. Since the main body 1 is consisted of the thin film having a thickness of 100mum and a width of 10mum, it can exhibit an excellent fusing characteristic. Particularly, the fuse can serve as a current fuse because the fused portion 2 is narrower than the other portion.

15. 发明专利

JPH02256174A STORAGE CONTAINER FOR HIGH TEMPERATURE TYPE UNIT CELL 失效
公开(公告)号：JPH02256174A
公开(公告)日：1990-10-16
申请号：JP29307289
申请日：1989-11-10
申请人： NGK INSULATORS LTD
发明人： KAWAGUCHI TOSHIYUKI , MORI KEIICHI , ATSUMI ATSUSHI , KIMURA GENZO , TAMAKOSHI TOMIO
IPC分类号： H01M10/39
摘要： PURPOSE:To improve the operation characteristic and durability of unit cells by bringing multiple storage cases having storage holes into face contact with each other, and integrally connecting them. CONSTITUTION:Multiple storage cases 1 made of a heat conductor such as aluminum or copper and having storage holes 1a are integrally molded to constitute a storage container 2. Since many storage cases 1 stored in a heat insulating container are brought into contact with each other, heat conduction is uniformly performed via face contact sections when the inside of the heat insulating container is heated or cooled, and the temperature distribution of unit cells 3 is quickly unified. When local abnormal heating occurs due to the failure of a unit cell 3, a local temperature rise is suppressed because of good heat diffusion, and adjacent normal unit cells 3 are prevented from being damaged by heat. The operation characteristic and durability of cells 3 can be improved.

16. 发明专利

JP2004111123A Method for controlling heater for sodium-sulfur battery module 有权
公开(公告)号：JP2004111123A
公开(公告)日：2004-04-08
申请号：JP2002269614
申请日：2002-09-17
申请人： Ngk Insulators Ltd , 日本碍子株式会社
发明人： MORI KEIICHI , FURUTA KAZUTO
IPC分类号： H01M10/39 , H01M10/60 , H01M10/615 , H01M10/633 , H01M10/6571 , H01M10/50
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To increase a dischargeable power of a battery in the daytime by reducing an amount of power consumption of a heater used to maintain a sodium-sulfur battery module in a predetermined temperature range, improving an efficiency of the battery and shifting a power consumption period of the heater which has been heretofore extended to a time zone of the daytime to only a night.
SOLUTION: A method for controlling heaters 7, 9 is used to maintain the sodium-sulfur battery module 1 in which a plurality of sodium-sulfur battery cells are connected and housed in a heat insulation container, in the predetermined temperature range. In the method, at least a part of the heaters 7, 9 is set in such a manner that a set temperature of the heater from a charging finishing time to a discharge starting time is lowered than the set temperature of the heater from the discharge finishing time of the module 1 to the charge finishing time.
COPYRIGHT: (C)2004,JPO

17. 发明专利

JP2003125543A POWER STORAGE AND COMPENSATION SYSTEM BASED ON HIGH- TEMPERATURE SECONDARY BATTERY 审中-公开
公开(公告)号：JP2003125543A
公开(公告)日：2003-04-25
申请号：JP2001317127
申请日：2001-10-15
申请人： NGK INSULATORS LTD , TOKYO ELECTRIC POWER CO
发明人： MORI KEIICHI , BITO AKIHIRO , OKUNO AKIYASU , KAMIBAYASHI AKIRA
IPC分类号： H02J9/00 , H01M10/39 , H01M10/44 , H01M10/60 , H01M10/613 , H01M10/615 , H01M10/627 , H01M10/637 , H01M10/643 , H01M10/653 , H01M10/6554 , H01M10/6571 , H02J3/32 , H01M10/50
摘要： PROBLEM TO BE SOLVED: To provide a power storage and compensation system, based on a high- temperature secondary battery where an electric cell is not broken down, even if high power is outputted in a short time, when power is supplied from a power storage system to a power load facility. SOLUTION: The power storage and compensation system includes a power system 1, a power load facility 2, and a power storage system 5, comprising a high-temperature secondary battery 3. A controller, which issues commands for charging and discharging to the power storage system 5 and a switch 6, are electrically connected with the system. During normal operation, power is supplied from the power system 1 to the power load facility 2, and further the high-temperature secondary battery 3 is charged. If instantaneous power interruption or power failure occurs in the power system 1, power is supplied from the secondary battery to the power load facility 2. When the high-temperature secondary battery 3 supplies power to the power load facility 2, at at least one unit cell in at least one of modular batteries 9, the temperature in the electric cell while outputting power is measured directly. When the temperature in the electric cell reaches an allowable limit temperature, power supply to the power load facility 2 is stopped.

18. 发明专利

JP2001275273A EMERGENCY POWER SOURCE SYSTEM AND SYSTEM FOR AUTOMATICALLY DETECTING SINGLE CELL FAULT IN BATTERY USED FOR THE SYSTEM 失效
公开(公告)号：JP2001275273A
公开(公告)日：2001-10-05
申请号：JP2000089333
申请日：2000-03-28
申请人： TOKYO ELECTRIC POWER CO , NGK INSULATORS LTD
发明人： TANAKA KOJI , NAKAHATA KOICHI , OKUNO AKIYASU , MORI KEIICHI , BITO AKIHIRO
IPC分类号： H02J7/34 , H01M10/39 , H01M10/44 , H01M10/60 , H01M10/613 , H01M10/615 , H01M10/627 , H01M10/633 , H01M10/6571 , H02J7/00 , H02J9/06 , H01M10/50
摘要： PROBLEM TO BE SOLVED: To provide an emergency power source system capable of installing at narrow restricted place space and having space-saving and an emergency power source system having a long useful life of a battery and a low replacing frequency at a low cost. SOLUTION: The emergency power source system supplies a DC power to a DC load 3 by a rectifier 2 at a normal time by a circuit for electrically connecting the load 3, the rectifier 2 to the battery, automatically charge, the battery, and supplies the power to the load 3 by the battery in an emergency for stopping the rectifier 2 due to power interruption or the like. In this case, the battery uses a sodium-sulfur battery 1.

19. 发明专利

JP2001135348A METHOD OF CHARGING SODIUM-SULFUR BATTERY 失效
公开(公告)号：JP2001135348A
公开(公告)日：2001-05-18
申请号：JP31377699
申请日：1999-11-04
申请人： NGK INSULATORS LTD , TOKYO ELECTRIC POWER CO
发明人： MORI KEIICHI , FURUTA KAZUTO , TAKAGI HARUMI
IPC分类号： H02J7/02 , H01M10/39 , H01M10/44 , H02J15/00
摘要： PROBLEM TO BE SOLVED: To provide a method of charging a sodium-sulfur battery wherein mid-night electric power is used for a short time to charge the battery to such a degree that it doesn't damage the normal single cell so as to keep large discharging capacity for a day-time charging. SOLUTION: In an assembled battery in which specified numbers of single cells of a sodium-sulfur battery are connected in series for constructing a string, specified numbers of the strings are connected in parallel with each other for constructing a block, specified numbers of the blocks as units are connected in series, the assembled battery is charged up to a charging end cut voltage which is regulated by an open voltage of the single cell, an ohmic voltage represented by electric current multiplied by resistance, and a charging end polarization voltage. After a main charge as a first step, the assembled battery is sub-charged in step manners by a voltage lower than that at the main charge.

20. 发明专利

JP2000243435A BATTERY SYSTEM 失效
公开(公告)号：JP2000243435A
公开(公告)日：2000-09-08
申请号：JP4429399
申请日：1999-02-23
申请人： NGK INSULATORS LTD
发明人： MORI KEIICHI , TAKAGI HARUMI
IPC分类号： H01M2/02 , H01M10/058 , H01M10/39 , H01M10/60 , H01M10/615 , H01M10/617 , H01M10/6554 , H01M10/6571 , H01M10/658 , H01M10/38 , H01M10/50
摘要： PROBLEM TO BE SOLVED: To provide a battery system having heaters disposed so that the interior of a heat insulated container can be uniformly heated and enabling the heaters to be replaced rapidly and at a low cost when the heaters go wrong. SOLUTION: In this battery system, a plurality of blocks 3a to 3c each made up by collectively erecting and series-parallel connecting a fixed number of cells 1 are series-parallel connected and housed in a heat insulated container 11 made up of a box-shaped container body 11b with an opening part in its upper part and a container outer cover 11a mounted over the opening part of the container body 11b, The blocks 3a to 3c housed in the heat insulated container 11 are placed on a heat conducting plate 9 disposed on a bottom surface of the container body 11b, plate-shaped heaters 5 are erected along inner side surfaces of the container body 11b, and plate-shaped heaters 7 are erected also in gap positions between the blocks.

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