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1. 发明专利

JPH1197031A ORGANIC ELECTROLYTE CELL AND MANUFACTURE OF ITS NEGATIVE ELECTRODE CURRENT COLLECTING PLATE 失效
公开(公告)号：JPH1197031A
公开(公告)日：1999-04-09
申请号：JP25641197
申请日：1997-09-22
申请人： TOSHIBA BATTERY
发明人： SUGITA SEIJI
IPC分类号： H01M4/64
摘要： PROBLEM TO BE SOLVED: To make assembly operating performance and cell performance by enhancing contact bonding properties between each sheet shaped positive plate and a negative electrode current collector, and enhance the productivity of the negative electrode current collecting plate in an organic electrolyte cell. SOLUTION: In this organic electrolyte cell having a spiral shaped electrode group 3 where a sheet shaped positive plate 4 and a sheet shaped negative plate 5 are wound around by way of a separator 9, its contact bonding properties can be enhanced much more than those of a current pyramid type worked upon by an embossing process by applying an embossing process in a cylindrical shape having an opening part onto a contact bonding surface brought into contact with the negative plate of a negative electrode current collecting plate 6 electrically connecting the sheet shaped negative plate with a negative electrode terminal (outer packaging can). Besides, when an embossing process is to be applied to the negative electrode current collector, since a press metal mold can be used, its productivity can thereby enhanced much more than the current productivity in the past.

2. 发明专利

JPH1167189A TIGHTLY SEALED BATTERY 失效
公开(公告)号：JPH1167189A
公开(公告)日：1999-03-09
申请号：JP22275197
申请日：1997-08-19
申请人： TOSHIBA BATTERY
发明人： SUGITA SEIJI , UEDA KUNIO
IPC分类号： H01M2/30
摘要： PROBLEM TO BE SOLVED: To provide a battery with high reliability in which the effects of the fitting directionality of an insulating plate and the fitting property of the insulating plate are reduced and which can be produced easily which a good yield. SOLUTION: This battery is provided with a power generation element 1 consisting of a negative pole structure, a separator and possitive pole structure and electrolytic liquid, one end opening exterior can 2 in which this power generation element 1 is built and which is one side electrode terminal, a sealing body 3 having a projection part 3a which is the other electrode terminal isolated and sealed airtightly and electrically by calking, interposed the gasket 4 of this exterior can 2 opening part, an isolating plate 6 fitted to the projection part 3a of the electrode terminal and arranged integrally to the sealed surface side, and an external label 7 for covering at least one part of the outer periphery surface of the exterior can 2, including the end edge of this isolating plate 6. The outer diameter of the electrode terminal projection part 3a of the sealed body 3 is made, so that the diameter is mode to shrink from a top side (a) to a bottom side (b).

3. 发明专利

JPH1140146A PASTE-TYPE ELECTRODE 失效
公开(公告)号：JPH1140146A
公开(公告)日：1999-02-12
申请号：JP19134297
申请日：1997-07-16
申请人： TOSHIBA BATTERY
发明人： HATA KATSUYUKI , ISHIDA TOMONORI , SUGITA SEIJI
IPC分类号： H01M4/24 , H01M4/32 , H01M4/70
摘要： PROBLEM TO BE SOLVED: To improve the flexibility and the property suitable for rolling by providing a three dimensional substrate and an active material mix held in the substrate, forming notch parts in the rim part regions at right angles to the longitudinal direction along the direction of the regions, and making the number of the notches in one side lower than that of the notches in the other side. SOLUTION: Notch parts 23 vertical to the longitudinal direction of rolling are formed at equal intervals in the side of a paste-type nickel positive electrode 21, which forms the outer circumference when being rolled, except for the region where a lead tab 2 is formed. Each notch part 23 has a V shape, and the interval L of the notch bottom parts is controlled to be 0. 1 mm, the depth H of each notch to be 0.05 mm, and the angle α of the notch bottom part to be 30 degrees. Notch parts are formed also in the rear side, and the interval L is controlled to be 0.5 mm and other sizes and the angle are made equal to those of the notches in the front side. Consequently, the number of the notches in the side, which becomes the inner circumference when being rolled, is equivalent to 20% of the number of the notches formed in the side which becomes the outer circumference. As a result, the curving width can be narrowed as compared with a positive electrode having no notch and warping can be avoided, even in the case the paste-filling density is increased for heightening capacity and flexibility is improved.

4. 发明专利

JPH11162501A WOUND BATTERY ELECTRODE AND CYLINDRICAL BATTERY 失效
公开(公告)号：JPH11162501A
公开(公告)日：1999-06-18
申请号：JP33198497
申请日：1997-12-02
申请人： TOSHIBA BATTERY
发明人： SUGITA SEIJI
IPC分类号： H01M4/02 , H01M10/04
摘要： PROBLEM TO BE SOLVED: To provide a wound battery electrode and a cylindrical battery having a high reliability and are suitable for miniaturization/and high capacity. SOLUTION: A wound battery electrode 1 are formed by spirally laminating a band-shaped positive electrode sheet 2, an interlayer insulation sheet 3, a negative electrode sheet 4 and the interlayer insulation sheet 3. In this case, a plurality of races 2a are formed in parallel along a winding axis at least the outer surface of the positive electrode sheets 2 on the inner layer side of the wound battery electrode 1. A cylindrical battery is provided by the use of the above-mentioned wound battery electrode 1.

5. 发明专利

JPH1040880A BATTERY 失效
公开(公告)号：JPH1040880A
公开(公告)日：1998-02-13
申请号：JP19044896
申请日：1996-07-19
申请人： TOSHIBA BATTERY
发明人： SUGITA SEIJI , HOJO HIDEMI
IPC分类号： H01M2/02
摘要： PROBLEM TO BE SOLVED: To provide a battery with a lighter weight, a smaller size and a lower material cost as well as high reliability by resistance welding which can be connected to an electrode terminal. SOLUTION: A battery has an external can 1 for electrically isolating one electrode terminal 2 being guided out and concurrently serving as the other electrode terminal 1a and an electromotive element stored and arranged in the external can 1. In this case, the flat end face 1a of the external can 1 on which plural recessed beads 5 are formed in a scattered manner is reinforced against vertical thrust. The plural recesses beads are preferably distributingly installed in a radial direction.

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