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81. 发明专利

JP2001256969A ZINC ALKALINE BATTERY AND MANUFACTURING METHOD OF CATHODE MIXTURE THEREFOR 失效
公开(公告)号：JP2001256969A
公开(公告)日：2001-09-21
申请号：JP2000070431
申请日：2000-03-14
申请人： TOSHIBA BATTERY
发明人： SHIBUYA MAMORU
IPC分类号： H01M6/08 , H01M4/06 , H01M4/08
摘要： PROBLEM TO BE SOLVED: To improve utilization ration of a cathode active material at heavy loading discharge and to ensure duration time of a zinc alkaline battery. SOLUTION: The zinc alkaline battery having a hollow cylinder shaped cathode mixture 2 is provided with an electrolysis manganese dioxide as a cathode active material, graphite as a conducting material and potassium hydroxide electrolyte. The cathode mixture is comprise of granule mixture whose size range is from 10 to 14 meshes and size distribution is from 20 to 25%. This granule mixture having the size distribution enables to improve the absorptiveness of electrolyte performance of the cathode mixture and the utilization ratio of the cathode active material is improved so that heavy loading discharge characteristics is improved to ensure enough duration time.

82. 发明专利

JP2001256948A NICKEL/HYDROGEN SECONDARY BATTERY 失效
公开(公告)号：JP2001256948A
公开(公告)日：2001-09-21
申请号：JP2000070932
申请日：2000-03-14
申请人： TOSHIBA BATTERY
发明人： MORIFUJI YOSHIHIRO , TSUKIASHI MASAHIKO , TERAOKA HIROHITO
IPC分类号： H01M2/16 , H01M10/30
摘要： PROBLEM TO BE SOLVED: To provide a nickel/hydrogen secondary battery that is superior in self-discharge property under a high-temperature environment and that also shows a high discharge capacity even at the time of high current discharge. SOLUTION: The nickel/hydrogen secondary battery encloses an electrode group 5 consisting of a positive pole 2 retaining nickel hydroxide particles as the major component, a negative pole 4 retaining powder of hydrogen storage alloy as the major component, and a separator 3 sandwiched between them, along with an alkali electrolyte. The separator 3 is composed of a sheet-like material containing polyolefin fibers, and its surface is copolymerized with vinyl monomer having carboxyl group to form adsorbing sites for alkali metal ions and nitrogen compounds.

83. 发明专利

JP2001238358A SECONDARY CELL DEVICE 失效
公开(公告)号：JP2001238358A
公开(公告)日：2001-08-31
申请号：JP2000047412
申请日：2000-02-24
申请人： TOSHIBA BATTERY
发明人： ITO NORIYUKI , TAKEISHI RYUTA
IPC分类号： H02J7/00 , H01M10/44 , H01M10/48
摘要： PROBLEM TO BE SOLVED: To provide a secondary cell device, capable of readily cutting off power to a battery remaining capacity monitor when the voltage of a secondary cell is lowered. SOLUTION: The secondary cell device comprises switch circuits 2, 3 for selectively cutting off charging and discharging routes connected in series with charging and discharging routes of the secondary cell 1, a protective circuit (battery voltage monitor) 8 for monitoring the voltage of the secondary cell for cutting off the switch circuits, before the cell is overcharged or deeply discharged, and a battery remaining capacity monitor 10 for monitoring the remaining capacity of the cell by detecting charging or discharging current. In particular, the device is constituted to supply power to the monitor from the cell to the switch circuit. When the voltage of the cell is lowered from its rated voltage as prescribed, the switch circuit cuts off power to the monitor.

84. 发明专利

JP2001236991A METHOD OF PRODUCING NONAQUEOUS SECONDARY BATTERY 失效
公开(公告)号：JP2001236991A
公开(公告)日：2001-08-31
申请号：JP2000043081
申请日：2000-02-21
申请人： TOSHIBA BATTERY
发明人： KANO KOJI , IWAHISA MASAHIRO , HIBINO SEIJI
IPC分类号： H01M10/05 , H01M4/13 , H01M4/139 , H01M10/0525 , H01M10/0565 , H01M10/40 , H01M4/02 , H01M4/04
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a nonaqueous secondary battery having less internal resistance increase and improved charging/discharging cycle life. SOLUTION: The method of producing a nonaqueous secondary battery having a positive electrode 1, a negative electrode 2 and a separator 3 comprises the step of stirring a mixture containing a binder capable of holding a nonaqueous electrolyte, an active material, a plasticizer and a solvent while keeping it at 40 degrees C or higher and less than a bubbling temperature to prepare a slurry for at least either of the positive electrode 1 and the negative electrode 2.

85. 发明专利

JP2001210325A NONAQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY 失效
公开(公告)号：JP2001210325A
公开(公告)日：2001-08-03
申请号：JP2000015917
申请日：2000-01-25
申请人： TOSHIBA BATTERY
发明人： FUJIWARA AIICHIRO , SHIKODA MASAKI
IPC分类号： H01M10/05 , C01B31/02 , H01M4/02 , H01M4/36 , H01M4/485 , H01M10/0525 , H01M10/0566 , H01M4/58 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolytic solution secondary battery that has a superior cycle characteristic and can work under 1.5 V restraining degradation in over-discharge. SOLUTION: The battery is equipped with a positive electrode containing lithium titanate that has a spinel structure and that is expressed by the general formula as LixTiyO4 (x; 0.8

86. 发明专利

JP2001202931A THIN BATTERY 失效
公开(公告)号：JP2001202931A
公开(公告)日：2001-07-27
申请号：JP2000010544
申请日：2000-01-19
申请人： TOSHIBA BATTERY
发明人： HANABUSA SOICHI , ISHIHARA YOJI , YAMAMOTO FUMIMASA , KIMIJIMA TAKAHIRO
IPC分类号： H01M2/02 , H01M2/06 , H01M2/30 , H01M10/05 , H01M10/0565 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To provide a thin battery having superior sealing property and high volumetric efficiency. SOLUTION: The battery comprises a first exterior film material, having an edge portion extended out in the horizontal direction on each of the four sides of a rectangular recess, a generation element housed in the recess of the first exterior film material, an external lead for a positive and a negative electrode each connected to the terminal portion of the positive and the negative electrode of the generation element and extended out to the outside through a first edge portion of the exterior film material, and a second external film material formed as a flat plate applied to cover the first exterior film material, sealed thermally to the edge portion of each of the four sides of the exterior film material and forming the first to fourth seal portions. Two corner sections at which the first to fourth seal sections cross are chamfered to a dimension of 2W, when the width of the seal portion is regarded as W. Two deep-draw corner sections of the first exterior film material which are in contact with these second to fourth seal portions are chamfered to a dimension of W×√ 2 or larger. In addition, the second and fourth seal section are folded back, so that they come into contact with the side of the first exterior film material.

87. 发明专利

JP2001185128A ELECTRODE SHEET CUTTING METHOD AND DEVICE THEREOF 失效
公开(公告)号：JP2001185128A
公开(公告)日：2001-07-06
申请号：JP36767599
申请日：1999-12-24
申请人： TOSHIBA BATTERY
发明人： MEYA TAKAYUKI
IPC分类号： H01M4/139 , H01M4/04
摘要： PROBLEM TO BE SOLVED: To provide a electrode sheet cutting device capable of making high quality tape-shaped electrode while maintaining good productivity and yield. SOLUTION: This device comprises a cutting mechanism 5 cutting and separating electrode sheet 4 provided with approximately fixed width of belt-shaped active material coated film 3 in line at a fixed interval, at non active material 2 into tape shaped electrodes 4a, 4b, an automatic feeding mechanism 6 automatically feeding the electrode sheet 4 to the cutting mechanism 5, an irradiation mechanism 7 continuously irradiating at least one side end of the belt-shaped active material coated film 3 of the electrode sheet 4 automatically fed to cast a shadow of the height of the belt-shaped active material coated film 3, a monitor mechanism 9 monitoring the shadow, an image process device 10 processing images of the monitored shadows and outputting position data of boundaries between the belt-shaped active material coated film 3 and the non active material 2, a control device 11 converting the output position data of boundaries into digital/analog and outputting control signal, a linear drive driver 12 impressing converted analog signal, and a linear drive mechanism 13 driven by the linear drive driver 12 collating the electrode sheet 4 at the end edge part in width direction of the electrode sheet 4.

88. 发明专利

JP2001176505A ELECTRODE AND ALKALINE SECONDARY BATTERY 失效
公开(公告)号：JP2001176505A
公开(公告)日：2001-06-29
申请号：JP2000305190
申请日：2000-10-04
申请人： TOSHIBA BATTERY
发明人： HATA KATSUYUKI , TERAOKA HIROHITO
IPC分类号： C01G53/04 , H01M4/32 , H01M4/52 , H01M10/30
摘要： PROBLEM TO BE SOLVED: To provide an electrode of high charging efficiency at high rate. SOLUTION: This electrode includes nickel hydroxide particles satisfying the formula (1) below. 1000

89. 发明专利

JP2001160418A LITHIUM ION RECHARGEABLE BATTERY 失效
公开(公告)号：JP2001160418A
公开(公告)日：2001-06-12
申请号：JP34220499
申请日：1999-12-01
申请人： TOSHIBA BATTERY
发明人： YAJIMA SUMITOMO
IPC分类号： H01M10/05 , H01M4/131 , H01M4/62 , H01M10/052 , H01M10/0566 , H01M10/40 , H01M4/02
摘要： PROBLEM TO BE SOLVED: To provide a lithium ion rechargeable battery having a positive elec trode containing lithium manganese oxide which suppresses capacity degradation in high temperature storage. SOLUTION: This lithium ion rechargeable battery comprises a positive electrode 2 containing lithium manganese oxide and phosphorus pentoxide as an active material, a negative electrode 4 containing material which is possible to store and release lithium ions, and a nonaqueous electrolyte.

90. 发明专利

JP2001160389A LEAD-FOLDING APPARATUS 失效
公开(公告)号：JP2001160389A
公开(公告)日：2001-06-12
申请号：JP34220399
申请日：1999-12-01
申请人： TOSHIBA BATTERY
发明人： KAWAMURA NOBUHISA , TERUI TOSHIYA , SHIMOMURA KEIICHI
IPC分类号： B21F1/00 , H01M2/30
摘要： PROBLEM TO BE SOLVED: To provide a lead-folding apparatus which enables reduction of the folding defects and the dispersion in shapes, when bending the leads. SOLUTION: This lead-folding apparatus for folding the leads for a battery, in which the electrode group having metal plate leads are housed in the cladding, such that the ends of the leads extend outward from the cladding, comprised of a battery support means 1 for supporting the end portion of the lead extending from the cladding, a folding means 2 for pressing the upper surface of the lead and folding it downward, and a forming means 3 having a plain surface for horizontally forming the end portion of the lead, which is bent downwardly by the folding means 2.

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