JPH08255597A - Storage battery - Google Patents
Storage batteryInfo
- Publication number
- JPH08255597A JPH08255597A JP7097387A JP9738795A JPH08255597A JP H08255597 A JPH08255597 A JP H08255597A JP 7097387 A JP7097387 A JP 7097387A JP 9738795 A JP9738795 A JP 9738795A JP H08255597 A JPH08255597 A JP H08255597A
- Authority
- JP
- Japan
- Prior art keywords
- jar
- battery
- battery case
- electrode plate
- prescribed size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003860 storage Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 229920003002 synthetic resin Polymers 0.000 description 7
- 239000000057 synthetic resin Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 4
- 229920000299 Nylon 12 Polymers 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、蓄電池に関し、詳しく
は電槽と蓋とがヒートシールされて成る蓄電池に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage battery, and more particularly to a storage battery in which a battery case and a lid are heat-sealed.
【０００２】[0002]
【従来の技術】従来、据置用蓄電池として鉛蓄電池やア
ルカリ蓄電池がよく知られており、特にアルカリ蓄電池
は小型軽量、且つ高信頼性が期待でき、日常の保守取扱
が容易であることから、工場、ビル等の非常灯用、発・
変電所の遮断器操作用、及びコンピュータ等の無停電予
備電源用等、幅広く用いられている。上記アルカリ蓄電
池は、正極板及び負極板をセパレータを介して積層して
成る極板群を、保守の際に液面を用意に監視することが
できるように、例えばナイロン１２等の透明の合成樹脂
で成形した電槽に収納し、電解液として苛性カリ水溶液
を注入した後、該電槽の開口部に蓋がヒートシールされ
ている。2. Description of the Related Art Conventionally, lead-acid batteries and alkaline storage batteries are well known as stationary storage batteries, and in particular, alkaline storage batteries are small and lightweight, can be expected to have high reliability, and can be easily maintained and handled on a daily basis. For emergency lights in buildings,
It is widely used for operating circuit breakers in substations and for uninterruptible standby power supplies such as computers. The above alkaline storage battery is made of a transparent synthetic resin such as nylon 12 so that the liquid level can be easily monitored during maintenance of an electrode plate group formed by stacking a positive electrode plate and a negative electrode plate with a separator in between. After being stored in the battery case molded in (1) and injecting a caustic potash solution as an electrolytic solution, the lid is heat-sealed at the opening of the battery container.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、この種
蓄電池では、ヒートシールされた電槽と蓋との溶着面に
おいて、さらなる溶着強度の向上が求められている。そ
こで、本発明は電槽と蓋がさらに強固に溶接された蓄電
池を提供することを目的とする。However, in this type of storage battery, further improvement in the welding strength is required at the welding surface between the heat-sealed battery case and the lid. Therefore, an object of the present invention is to provide a storage battery in which the battery case and the lid are more strongly welded.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に、本発明は以下の手段を構じたものである。まず、金
型を用いて所定サイズの電槽より高さ方向に長い合成樹
脂製の電槽を成形し、次いで該電槽をその開口する上端
部から所定サイズより長く形成された部分を切断、除去
することにより所定サイズの電槽を得る。そして、上記
により得られた電槽に正極板と負極板をセパレータを介
して積層して成る極板群を挿入し、さらに電解液を注入
した後、該電槽の切断面と蓋の溶接面とを、ヒートシー
ルするものである。In order to achieve the above-mentioned object, the present invention has the following means. First, using a mold, a synthetic resin battery case that is longer in the height direction than a battery tank of a predetermined size is molded, and then a portion that is formed longer than a predetermined size is cut from the upper end portion that opens the battery container, By removing, a battery container of a predetermined size is obtained. Then, the electrode plate group formed by laminating the positive electrode plate and the negative electrode plate via the separator is inserted into the battery case obtained above, and after further injecting the electrolytic solution, the cut surface of the battery container and the welding surface of the lid. And are heat-sealed.
【０００５】[0005]
【作用】本発明の作用は明らかではないが、合成樹脂製
の電槽の開口上端部を切断加工することにより、該電槽
の溶接面を切断面に形成し、これに蓋をヒートシールす
ることにより強固に溶着することができた。また、本発
明では、電槽の切断加工の際にその切断する部分の長さ
を自由に調節することで、最初に作製したサイズの電槽
と、等しい断面形状、及び断面積を有し、高さのみが異
なる、別のサイズの電槽を作製することもできるので、
すべてのサイズの電槽について、専用の金型を起こす必
要がなくなり、電槽の作製コストを削減することもでき
る。Although the function of the present invention is not clear, the welded surface of the battery case is formed into a cut surface by cutting the upper end of the opening of the battery case made of synthetic resin, and the lid is heat-sealed thereto. As a result, it was possible to firmly weld. Further, in the present invention, by freely adjusting the length of the portion to be cut during the cutting process of the battery case, the battery case of the size initially produced, having the same cross-sectional shape, and cross-sectional area, Since it is possible to make a battery case of different size, only the height is different,
It is not necessary to raise a dedicated mold for all sizes of battery case, and it is possible to reduce the manufacturing cost of the battery case.
【０００６】[0006]
【実施例】以下に、本発明を実施例に基づいて詳細に説
明する。EXAMPLES The present invention will be described in detail below based on examples.
【０００７】図１は、高さ２２８ｍｍ×幅７９ｍｍ×奥
行き３５ｍｍの所定サイズを有する据置型アルカリ蓄電
池の角形電槽の斜視図であり、一点鎖線で示される部分
は上記サイズの電槽の高さ方向に余分に形成され、後に
切断加工により除去される部分である。まず、射出成形
により一点鎖線で示すように所定の電槽サイズより高さ
方向に２０ｍｍ長く形成し、且つその上端部が開口する
ナイロン１２から成る電槽を作製し、次いでその開口上
端部から２０ｍｍを切断、除去して図１に実線で示され
る角形電槽を得た。なお、ここでは、据置型アルカリ蓄
電池の電槽材料として好適なナイロン１２を用いたが、
保守、点検の際に電解液面を容易に監視できるように透
明な合成樹脂であれば、特に上記ナイロン１２に限定さ
れない。また、本発明は金型を用いて成形した電槽を用
いているのであれば、上記据置型アルカリ蓄電池に限定
されるものではない。例えば、ポリプロピレンや、エチ
レン−プロピレン共重合体等の合成樹脂から成る電槽を
用いた鉛蓄電池に本発明を適用してもよい。FIG. 1 is a perspective view of a rectangular battery case of a stationary alkaline storage battery having a predetermined size of 228 mm in height × 79 mm in width × 35 mm in depth, and a portion indicated by a chain line indicates the height of the battery of the above size. This is a portion that is formed in an extra direction and is later removed by cutting. First, by injection molding, as shown by the alternate long and short dash line, a battery case is formed which is 20 mm longer in the height direction than the predetermined battery case size, and the upper end of which is made of nylon 12, and then 20 mm from the opening upper end. Was cut and removed to obtain a rectangular battery case shown by a solid line in FIG. In addition, although nylon 12 suitable as a battery case material for a stationary alkaline storage battery is used here,
The synthetic resin is not limited to nylon 12 as long as it is a transparent synthetic resin so that the surface of the electrolytic solution can be easily monitored during maintenance and inspection. Further, the present invention is not limited to the above-mentioned stationary alkaline storage battery as long as the battery case formed by using the mold is used. For example, the present invention may be applied to a lead storage battery using a battery case made of polypropylene or a synthetic resin such as an ethylene-propylene copolymer.
【０００８】また、上記所定サイズの電槽の作製の際に
は、開口上端部から２０ｍｍを切断加工により切除した
が、これを６５ｍｍ、若しくは８０ｍｍ切除すること
で、それぞれ高さ１８３ｍｍ×幅７９ｍｍ×奥行き３５
ｍｍ、１６８ｍｍ×幅７９ｍｍ×奥行き３５ｍｍの所定
サイズの電槽を得ることができる。これらの電槽につい
ては、上記高さ２２８ｍｍ×幅７９ｍｍ×奥行き３５ｍ
ｍの所定サイズの電槽より高さ方向に２０ｍｍ長く成形
できる射出成形用の金型があれば、適宜長さを切断する
という二次加工を施すことでそれぞれのサイズの電槽を
作製することができるので、それぞれ専用の金型を起こ
す必要がない。上記により得られた電槽１に、それぞれ
常法により作製したニッケル正極板及びカドミウム負極
板を合成樹脂製のセパレータを介して所定枚数積層して
成る極板群を収納し、次いで正極板群、負極板群をそれ
ぞれ極柱を介して正極端子３、及び負極端子４と接続
し、液口栓５を備えた蓋２と該電槽１をヒートシールし
た後、所定の濃度の苛性カリ電解液を所定量注入し、最
後に化成処理を施して図２に示される据置型アルカリ蓄
電池を作製した。Further, in the case of producing the battery case of the above-mentioned predetermined size, 20 mm was cut off from the upper end of the opening by cutting work, but by cutting this out by 65 mm or 80 mm, each height 183 mm × width 79 mm × Depth 35
It is possible to obtain a battery case having a predetermined size of mm, 168 mm × width 79 mm × depth 35 mm. Regarding these battery cases, the height is 228 mm, the width is 79 mm, and the depth is 35 m.
If there is an injection molding die that can be molded 20 mm longer in the height direction than a battery cell of a predetermined size of m, the battery cell of each size can be produced by performing a secondary process of cutting the length appropriately. Therefore, it is not necessary to raise a dedicated mold for each. In the battery case 1 obtained as described above, a positive electrode plate group was prepared by stacking a predetermined number of nickel positive electrode plates and cadmium negative electrode plates, each prepared by a conventional method, with a separator made of synthetic resin interposed therebetween. The negative electrode plate group is connected to the positive electrode terminal 3 and the negative electrode terminal 4 via the poles respectively, and the lid 2 having the liquid port plug 5 and the battery case 1 are heat-sealed, and then a caustic potash electrolytic solution having a predetermined concentration is applied. A predetermined amount was injected, and finally chemical conversion treatment was performed to produce a stationary alkaline storage battery shown in FIG.
【０００９】次に、電槽と蓋との溶着強度を調べるため
に、本発明品Ａとして上記成形及び切断加工を施した電
槽と蓋をヒートシールしたもの、並びに比較品Ｂとして
切断による二次加工を施さず、成形のみを施した電槽と
蓋とをヒートシールしたものをそれぞれ１０個ずつ用意
して、次のようにして引張強度試験を行った。まず、電
槽及び蓋をその溶着部を含むように適宜大きさに切り出
し、次いで溶着部を中心にしてその両端の蓋と電槽の部
分を互いに反対方向の力をかけて引っ張り、該蓋と該電
槽との溶着部が剥離するまでの強度を調べた。上記試験
の結果、その強度の平均は本発明品Ａでは４９３ｋｇ／
ｃｍ２、比較品Ｂでは３６０ｋｇ／ｃｍ２であった。こ
のように、本発明は電槽と蓋との溶着面において、その
溶着強度を向上させることができた。Next, in order to examine the welding strength between the battery case and the lid, the product A of the present invention, which was subjected to the above-mentioned molding and cutting process, was heat-sealed, and the comparative product B was cut by cutting. Ten pieces each of which was heat-sealed with a battery case and a lid which were only molded without subsequent processing were prepared, and a tensile strength test was conducted as follows. First, the battery case and the lid are cut into an appropriate size so as to include the welded portion, and then the lid and the battery container portion at both ends of the welded portion are pulled by applying forces in opposite directions to each other. The strength until the welded portion with the battery case was peeled off was examined. As a result of the above test, the average strength is 493 kg / invention product A.
cm 2 , and Comparative Product B, 360 kg / cm 2 . Thus, the present invention was able to improve the welding strength at the welding surface between the battery case and the lid.
【００１０】[0010]
【発明の効果】以上、詳述したように本発明は所定サイ
ズの電槽より高さ方向に長く成形された電槽に、その開
口上端部から所定の高さになるように切断加工を施し、
その切断面と蓋の溶接面をヒートシールすることで、該
電槽と蓋とを強固に溶着することができる。また、該切
断加工の際にその切断する長さをさらに大きくとれば、
最初に作製した電槽と等しい断面形状、及び断面積を有
し、高さが低い別のサイズの電槽を作製することもで
き、電槽の成形に要する金型の数を減らすことができ
る。このため電槽の作製コスト、並びに該電槽を用いた
電池の作製コストを下げることができる。As described above in detail, according to the present invention, a battery case formed to be longer in the height direction than a battery container of a predetermined size is cut so as to have a predetermined height from the upper end of the opening. ,
By heat-sealing the cut surface and the welding surface of the lid, the battery case and the lid can be firmly welded. Further, if the length to be cut during the cutting process is further increased,
It is possible to manufacture another size of battery cell that has the same cross-sectional shape and cross-sectional area as the initially manufactured battery cell and has a low height, and it is possible to reduce the number of molds required for molding the battery container. . Therefore, the manufacturing cost of the battery case and the manufacturing cost of the battery using the battery case can be reduced.
【図１】本発明の一実施例に用いられる電槽の斜視図で
ある。FIG. 1 is a perspective view of a battery case used in an embodiment of the present invention.
【図２】本発明の蓄電池の斜視図である。FIG. 2 is a perspective view of the storage battery of the present invention.
１ 電槽 ２ 蓋 ３ 正極端子 ４ 負極端子 ５ 液口栓 1 Battery case 2 Lid 3 Positive electrode terminal 4 Negative electrode terminal 5 Liquid stopper
Claims (1)
定サイズより高さ方向に長く成形し、その開口上端部か
ら該所定サイズの電槽より高さ方向に長く形成された部
分を切断、除去することにより、該所定サイズの電槽を
得て、該電槽の切断面と蓋の溶接面とをヒートシールし
たことを特徴とする蓄電池。1. A portion formed in a height direction longer than a predetermined size by using a mold to form a battery case having an upper end opened, and a portion formed from the opened upper end in the height direction longer than the predetermined size battery container. A storage battery, characterized in that the battery case of a predetermined size is obtained by cutting and removing, and the cut surface of the battery case and the welding surface of the lid are heat-sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7097387A JPH08255597A (en) | 1995-03-17 | 1995-03-17 | Storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7097387A JPH08255597A (en) | 1995-03-17 | 1995-03-17 | Storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08255597A true JPH08255597A (en) | 1996-10-01 |
Family
ID=14191111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7097387A Pending JPH08255597A (en) | 1995-03-17 | 1995-03-17 | Storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08255597A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100599734B1 (en) * | 2004-09-07 | 2006-07-12 | 삼성에스디아이 주식회사 | Electrode ,secondary battery and battery module |
| JP2006310314A (en) * | 2005-04-27 | 2006-11-09 | Samsung Sdi Co Ltd | Lithium ion secondary battery |
-
1995
- 1995-03-17 JP JP7097387A patent/JPH08255597A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100599734B1 (en) * | 2004-09-07 | 2006-07-12 | 삼성에스디아이 주식회사 | Electrode ,secondary battery and battery module |
| JP2006310314A (en) * | 2005-04-27 | 2006-11-09 | Samsung Sdi Co Ltd | Lithium ion secondary battery |
| JP4504942B2 (en) * | 2005-04-27 | 2010-07-14 | 三星エスディアイ株式会社 | Lithium ion secondary battery |
| US8197963B2 (en) | 2005-04-27 | 2012-06-12 | Samsung Sdi Co., Ltd. | Lithium ion secondary battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12051823B2 (en) | Pouch-shaped battery case comprising crack prevention structure and method of manufacturing the same | |
| KR101192619B1 (en) | Battery case | |
| EP2876724B1 (en) | Method of manufacturing secondary battery | |
| KR102176631B1 (en) | The Method And The Apparatus For Forming Pouch | |
| US3793086A (en) | Method of constructing a battery connector | |
| US8431269B2 (en) | Battery including battery case and sealing plate | |
| US5595840A (en) | Method of manufacturing modular molded components for a bipolar battery and the resulting bipolar battery | |
| US9847547B2 (en) | Method of manufacturing secondary battery | |
| DE102012215661B4 (en) | Laser welded connection and electrochemical device | |
| US3915751A (en) | Process for manufacturing storage batteries and battery produced thereby | |
| JPH08255597A (en) | Storage battery | |
| KR101471958B1 (en) | Manufacturing mathod of cap plate for secondary batteries having vent structure and using cap plate of it | |
| JP4110924B2 (en) | Square lithium ion secondary battery | |
| WO2015003839A1 (en) | Receptacle device, battery, and motor vehicle | |
| KR20040005022A (en) | Case for secondary battery and die forming the same | |
| KR20200075989A (en) | The Battery Case, The Secondary Battery And The Method For Manufacturing Thereof | |
| CN109950431A (en) | A kind of band overcharges the battery battery core with the battery cover board of short-circuit protection and its application | |
| US20240291014A1 (en) | Insulation tape, jelly roll, secondary battery, battery pack, and vehicle | |
| KR101657361B1 (en) | Method of manufacturing can for secondary battery and secondary battery using the same | |
| KR20060028188A (en) | Cap assembly and li secondary battery with the same | |
| KR20180081916A (en) | Electrolyte Injection Method Using Vacuum | |
| JP4026786B2 (en) | Flat and thin square battery | |
| CA2579761A1 (en) | Production method for fuel cell using molten electrolyte formed into thin-film electrolyte | |
| KR20170118531A (en) | Secondary battery | |
| JP3163509B2 (en) | Manufacturing method of hybrid bipolar plate |