JPH02114445A - Manufacture of sealed lead acid battery - Google Patents
Manufacture of sealed lead acid batteryInfo
- Publication number
- JPH02114445A JPH02114445A JP63266344A JP26634488A JPH02114445A JP H02114445 A JPH02114445 A JP H02114445A JP 63266344 A JP63266344 A JP 63266344A JP 26634488 A JP26634488 A JP 26634488A JP H02114445 A JPH02114445 A JP H02114445A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- framing
- frame
- pole
- electrode plate
- 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
- 239000002253 acid Substances 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 21
- 230000001070 adhesive effect Effects 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 19
- 238000002844 melting Methods 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229920000098 polyolefin Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 229920005672 polyolefin resin Polymers 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000004840 adhesive resin Substances 0.000 claims description 2
- 229920006223 adhesive resin Polymers 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims 5
- 239000000057 synthetic resin Substances 0.000 claims 5
- 239000004831 Hot glue Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 2
- 239000005001 laminate film Substances 0.000 abstract description 2
- 238000009432 framing Methods 0.000 abstract 7
- 238000000576 coating method Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 239000005028 tinplate Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Chemical group OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 238000011888 autopsy Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- QHZOMAXECYYXGP-UHFFFAOYSA-N ethene;prop-2-enoic acid Chemical group C=C.OC(=O)C=C QHZOMAXECYYXGP-UHFFFAOYSA-N 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical group OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Chemical group 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Chemical group OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 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
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ボータプル機器等の電源に使用される密閉形
鉛蓄電池の製造法、とくに極柱部の封口方法の改良に関
するもので条る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for manufacturing a sealed lead-acid battery used as a power source for vertical appliances, and in particular to an improvement in the method for sealing the pole section.
従来の技術
従来、この種の密閉形鉛蓄電池は、第３図に示すような
構造であった。2. Description of the Related Art Conventionally, this type of sealed lead-acid battery had a structure as shown in FIG.
第３図において、９′は正極板３′と負極板４′および
セパレータ２′より成る極板群８′の周囲を囲み、極板
群８′に当る面には、ポリエチレン等のポリオレフィン
系合成樹脂体フィルム又はフィルムをブリキ等の金属板
にラミネートした集電板１′と熱溶着され排気弁１σを
備えた枠体、６′は正極板３′と負極板４′に設けられ
、集電板１′と電気的に接続された極柱であり、集電板
１′と枠体９′が溶着される時に、枠体９′と集電板１
′のフィルム面に挟み込まれ、接着剤ポット部１２′を
形成し、極柱部６′を液密、気密に封口するエポキシ樹
脂等の充填用接着剤が硬化時に漏れないよう仮封口され
ている。In FIG. 3, 9' surrounds the electrode group 8' consisting of the positive electrode plate 3', the negative electrode plate 4', and the separator 2', and the surface corresponding to the electrode plate group 8' is made of polyolefin-based material such as polyethylene. A frame body is heat-welded to a current collecting plate 1' which is a resin film or a film laminated to a metal plate such as a tinplate, and is equipped with an exhaust valve 1σ. 6' is provided on the positive electrode plate 3' and the negative electrode plate 4', It is a pole pole electrically connected to the plate 1', and when the current collector plate 1' and the frame body 9' are welded, the frame body 9' and the current collector plate 1
' is sandwiched between the film surfaces of 12' to form an adhesive pot part 12', and the filling adhesive such as epoxy resin, which seals the pole part 6' in a liquid-tight and airtight manner, is temporarily sealed to prevent leakage during curing. .
発明が解決しようとする課題
このような従来の構成では、枠体とフィルム又は集電板
との熱溶着時に、極柱部の熱容量が大きく溶けにくいの
で、枠体周囲のみの溶着に比べて、加熱時間を長くする
必要がある。このようなことがら溶着時間を短縮するこ
とが困難であるとともに、極柱周囲の気密性が悪く、枠
体との溶着厚さを厚くしないと、溶着後横柱部に充填す
る接着剤が硬化中に漏れやすいという問題があった。Problems to be Solved by the Invention In such a conventional configuration, when the frame and the film or current collector plate are thermally welded, the heat capacity of the pole part is large and it is difficult to melt, compared to welding only around the frame. It is necessary to increase the heating time. This makes it difficult to shorten the welding time, and the airtightness around the pole pillars is poor, and if the welding thickness with the frame is not thick, the adhesive filled in the horizontal pillars after welding will harden. There was a problem with the inside leaking easily.
本発明は、このような課題を解決するもので、枠体に極
柱部がカン合する凹部を設け、極柱の一部には枠体材質
より低融点の樹脂や接着剤を塗布あるいはコーティング
し、この部分を枠体と集電板で挟み込み、熱溶着するこ
とで極柱部の仮封口を信頼性が高く、しかも短時間の溶
着で行なうことにより、生産性の高い密閉形鉛蓄電池と
することを目的としたものである。The present invention solves these problems by providing a frame with a recess into which the pole column fits, and a part of the pole is coated or coated with a resin or adhesive having a lower melting point than the frame material. However, by sandwiching this part between the frame and the current collector plate and heat welding, the pole column can be temporarily sealed with high reliability and in a short time, making it possible to create sealed lead-acid batteries with high productivity. It is intended to.
課題を解決するだめの手段
この課題を解決するため本発明は、枠体に極柱部が嵌合
する凹部を設け、極柱の枠体凹部に当る面に枠体より低
融点のホットメルト等の熱軟化性樹脂、変性ポリオレフ
ィン系樹脂、あるいは溶剤形接着性樹脂や、エポキシ樹
脂等の熱硬化性接着剤を塗布し、枠体の凹部と集電板で
挟み込み、熱溶着あるいは超音波溶着して極柱部を仮封
口し、その上に耐酸性、耐漏液性に優れたエポキシ樹脂
等を充填する構造としたものである。Means for Solving the Problem In order to solve this problem, the present invention provides a frame with a recess into which the pole column fits, and fills the pole with a hot melt or the like having a lower melting point than the frame on the surface of the pole that is in contact with the frame recess. A thermosetting adhesive such as a thermosetting resin, modified polyolefin resin, solvent-based adhesive resin, or epoxy resin is applied, sandwiched between the concave part of the frame body and a current collector plate, and then thermally welded or ultrasonic welded. The structure is such that the pole column is temporarily sealed, and then an epoxy resin or the like with excellent acid resistance and leakage resistance is filled on top.
作用
この構成により、枠体とフィルム又は集電板の溶着時間
短縮が可能であり、また、仮封口部の気密信頼性も向上
した。これにより極柱に接する枠体凹部の厚さも薄くで
きるので、極柱部の寸法を短かくすることが可能であり
、容積効率が高く、生産性に優れた密閉形鉛蓄電池とす
ることとなる。Function: With this configuration, it is possible to shorten the time for welding the frame and the film or the current collector plate, and the airtight reliability of the temporary sealing portion is also improved. This makes it possible to reduce the thickness of the recessed part of the frame in contact with the pole column, making it possible to shorten the dimensions of the pole part, resulting in a sealed lead-acid battery with high volumetric efficiency and excellent productivity. .
実施例
以下本発明の実施例について、第１図〜第２図を参照し
て説明する。第１図は、本発明による密閉形鉛蓄電池で
あり、１は集電板であり、これは正極板３および負極板
４に設けられ、一部にホットメルト等の熱軟化性樹脂や
エポキシ樹脂等の熱硬化性接着剤を塗布した極柱５と端
子部６で電気的に接続される。さらに正極板３、負極板
４に接する片面にはポリエチレン等のポリオレフィン系
フィルムをラミネートし、セパレータ２を含む極板群８
の周囲を囲みポリエチレン等を用い、接着剤充填ポット
部１２および排気弁１０と極柱嵌合凹部１１を備えた枠
体９と熱溶着や超音波溶着により封口される。その材質
はブリキ板やステンレス板より成る。EXAMPLES Hereinafter, examples of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 shows a sealed lead-acid battery according to the present invention. Reference numeral 1 indicates a current collector plate, which is provided on a positive electrode plate 3 and a negative electrode plate 4, and is partially made of thermoplastic resin such as hot melt or epoxy resin. The terminal portion 6 is electrically connected to the pole column 5 coated with a thermosetting adhesive such as the above. Further, one side in contact with the positive electrode plate 3 and the negative electrode plate 4 is laminated with a polyolefin film such as polyethylene, and the electrode plate group 8 including the separator 2 is laminated with a polyolefin film such as polyethylene.
The periphery is surrounded by polyethylene or the like, and sealed by heat welding or ultrasonic welding to the frame body 9 provided with the adhesive filling pot part 12, the exhaust valve 10, and the pole-column fitting recess 11. The material is made of tin plate or stainless steel plate.
第２図は、本発明の密閉形鉛蓄電池の実施例の極柱部の
構造であり、極柱６の先端は、ハンダ付は等で集電板１
の端子部６と接続され、また極柱６が枠体９の極柱嵌合
凹部１１や集電板１のラミネートフィルム面と接する部
分には、枠体９の材質よシ低融点の熱軟化性樹脂１４例
えば、８０〜１００℃で軟化溶融するポリオレアイン系
ホットメルトや有機溶剤に溶かした合成ゴム系接着剤、
および、エチレンアクリル酸変性体やマレイン酸変性の
ポリオレフィン樹脂を溶剤に溶かしたものを塗布したり
、エポキシ樹脂等の熱硬化性接着剤を塗布し、枠体９と
集電板１の熱溶着時の熱によシホットメルトや合成ゴム
系接着剤を溶融あるいはエポキシ接着剤を硬化すること
により極柱部５の周囲の気密を確保し、その上から極柱
６を液密気密に封口する耐酸性に優れたエポキシ樹脂等
の接着剤１３を充填した構造になっている。FIG. 2 shows the structure of the pole column part of the embodiment of the sealed lead-acid battery of the present invention.
The parts connected to the terminal parts 6 of the frame body 9 and the parts where the pole pole fitting recesses 11 of the frame body 9 and the laminate film surface of the current collector plate 1 are made of a thermally softened material with a low melting point similar to the material of the frame body 9. Resin 14 For example, a polyolein hot melt that softens and melts at 80 to 100°C, a synthetic rubber adhesive dissolved in an organic solvent,
Then, when the frame body 9 and the current collector plate 1 are thermally welded by applying a solution of polyolefin resin modified with ethylene acrylic acid or maleic acid dissolved in a solvent, or by applying a thermosetting adhesive such as an epoxy resin, By melting a hot melt or synthetic rubber adhesive or curing an epoxy adhesive using the heat of It has a structure filled with adhesive 13 such as an excellent epoxy resin.
このような構成の電池で、枠体９と集電板１の熱溶着や
超音波溶着の条件、および接着剤１２の硬化時における
接着剤漏れについて、従来例と比較した結果、本発明の
電池では、極柱部６を挟み込む枠体の厚さが、従来品の
１ ｍｍに対し、０４ｍｍ程度でも接着剤の漏れがなく
、また溶着時の加熱時間も２．０秒で、従来の差以下に
でき、超音波溶着を用いれば、更に溶着時間を短縮する
ことが可能になった。As a result of comparing the battery of the present invention with the conventional battery in terms of thermal welding and ultrasonic welding conditions for the frame body 9 and current collector plate 1, and adhesive leakage when the adhesive 12 hardens, the battery of the present invention In this case, the thickness of the frame body that sandwiches the pole part 6 is about 0.4 mm compared to the 1 mm of the conventional product, but there is no leakage of adhesive, and the heating time during welding is 2.0 seconds, which is less than the difference of the conventional product. By using ultrasonic welding, it has become possible to further shorten the welding time.
発明の効果
以上のように、本発明によれば極柱部周囲の枠体をほと
んど溶かさずに、低融点の樹脂や接着剤により極柱部周
囲を仮封口できるので、短時間で枠体と集電板の熱溶着
が可能になり、また極柱部を挟み込む枠体が薄くても仮
封口の信頼性が向上し、接着剤の漏れを防止できるので
、従来の熱溶着時に枠体を溶かし込んで極性部を仮封口
する方法に比べて、低コストで信頼性の高い密閉形鉛蓄
電池を製造することが可能になるという効果が得られる
。Effects of the Invention As described above, according to the present invention, the area around the pole column can be temporarily sealed with a low melting point resin or adhesive without melting the frame around the pole column, so the frame can be sealed in a short time. It is now possible to thermally weld the current collector plate, and even if the frame that sandwiches the pole part is thin, the reliability of the temporary seal is improved, and leakage of adhesive can be prevented, so the frame can be melted during conventional thermal welding. Compared to the method of temporarily sealing the polar portions of the batteries, the present invention has the advantage that it is possible to manufacture a sealed lead-acid battery at low cost and with high reliability.
第１図は本発明の一実施例による密閉形鉛蓄電池を示す
斜視図、第２図は本発明の一実施例による密閉形鉛蓄電
池の極柱部を示す断面図、第３図は従来の密閉形鉛蓄電
池の構造を示す斜視図である０
１・・・・・・集電板、６・・・・・・極柱部、９・・
・・・・枠体、１１・・・・・・凹部、１３・・・・・
・接着剤、１４・・・・・・塗布剤。
代理人の氏名 弁理士 粟 野 重 孝 ｒ／１が１名
１−−一職 電 狂
２−−一亡パレータ
５−一一黴ａ、Ｚ
９−−一伜 木
１３−−一慶看 剖
第２図FIG. 1 is a perspective view showing a sealed lead-acid battery according to an embodiment of the present invention, FIG. 2 is a sectional view showing a pole section of a sealed lead-acid battery according to an embodiment of the present invention, and FIG. 3 is a conventional It is a perspective view showing the structure of a sealed lead-acid battery.
... Frame body, 11 ... Concavity, 13 ...
・Adhesive, 14... Coating agent. Name of agent: Patent attorney Shigetaka Awano R/1: 1 person 1--1 job Den-kyo 2--Death Paleta 5-11 Kou a, Z 9--Ichito Thu 13--Ikkei ken Autopsy Figure 2
Claims (4)
を、片面にポリオレフィン系合成樹脂を含む多層フィル
ム材あるいは前記樹脂フィルム又はシートと金属板をラ
ミネートした集電板で、極板群に接する面にポリオレフ
ィン系合成樹脂フィルムを向けて挟み込み、極板群の周
囲を囲んだポリオレフィン系合成樹脂枠体と熱溶着する
封口方法において、極柱部の一部にポリオレフィン系枠
体よりも低融点の樹脂を塗布あるいはコーティングし、
この部分をポリオレフィン系合成樹脂枠体と集電板で挟
み込み、熱溶着や超音波溶着により極柱部を仮封口し、
その上に耐酸性、耐漏液性に優れる接着剤を充填し硬化
することを特徴とした密閉形鉛蓄電池の製造法。(1) An electrode plate group consisting of a positive electrode plate, a negative electrode plate, and a separator is brought into contact with the electrode plate group using a multilayer film material containing a polyolefin synthetic resin on one side or a current collector plate made by laminating the resin film or sheet and a metal plate. In a sealing method in which a polyolefin synthetic resin film is sandwiched between the surfaces and heat welded to the polyolefin synthetic resin frame surrounding the electrode plate group, a part of the pole column is made of a polyolefin resin film with a lower melting point than the polyolefin frame. Apply or coat resin,
This part is sandwiched between a polyolefin synthetic resin frame and a current collector plate, and the pole part is temporarily sealed using heat welding or ultrasonic welding.
A manufacturing method for a sealed lead-acid battery, which is characterized by filling and curing adhesive with excellent acid resistance and leakage resistance.
剤あるいは、溶剤形接着性樹脂、変性ポリオレフィン系
合成樹脂のいずれかであることを特徴とする特許請求の
範囲第１項記載の密閉形鉛蓄電池の製造法。(2) The resin having a lower melting point than the frame is any one of a hot-melt adhesive, a solvent-based adhesive resin, and a modified polyolefin synthetic resin. Manufacturing method for sealed lead-acid batteries.
る特許請求の範囲第１項記載の密閉形鉛蓄電池の製造法
。(3) The method for manufacturing a sealed lead-acid battery according to claim 1, wherein the pole-column fitting portion of the frame has a concave shape.
脂がエポキシ樹脂であることを特徴とする特許請求の範
囲第１項記載の密閉形鉛蓄電池の製造法。(4) The method for manufacturing a sealed lead-acid battery according to claim 1, wherein the resin applied or coated on a part of the pole column portion is an epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63266344A JPH02114445A (en) | 1988-10-21 | 1988-10-21 | Manufacture of sealed lead acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63266344A JPH02114445A (en) | 1988-10-21 | 1988-10-21 | Manufacture of sealed lead acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02114445A true JPH02114445A (en) | 1990-04-26 |
Family
ID=17429631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63266344A Pending JPH02114445A (en) | 1988-10-21 | 1988-10-21 | Manufacture of sealed lead acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02114445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022113825A1 (en) * | 2020-11-27 | 2022-06-02 | 古河電気工業株式会社 | Bipolar storage battery |
-
1988
- 1988-10-21 JP JP63266344A patent/JPH02114445A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022113825A1 (en) * | 2020-11-27 | 2022-06-02 | 古河電気工業株式会社 | Bipolar storage battery |
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