JPS6310866B2 - - Google Patents
Info
- Publication number
- JPS6310866B2 JPS6310866B2 JP56060199A JP6019981A JPS6310866B2 JP S6310866 B2 JPS6310866 B2 JP S6310866B2 JP 56060199 A JP56060199 A JP 56060199A JP 6019981 A JP6019981 A JP 6019981A JP S6310866 B2 JPS6310866 B2 JP S6310866B2
- Authority
- JP
- Japan
- Prior art keywords
- exterior member
- current collectors
- current collector
- electrode lead
- terminal extraction
- 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.)
- Expired
Links
- 238000000605 extraction Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 239000002985 plastic film Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 15
- 230000001070 adhesive effect Effects 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229910000679 solder Inorganic materials 0.000 description 5
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- H01M50/50—Current conducting connections for cells or batteries
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
【発明の詳細な説明】
本発明は、扁平電池の製造法に関し、端子取出
窓からの電極リードの取り出し構造を改良したも
のであつて、その目的はプラスチツクフイルム主
体の外装部材と金属集電体との間に電極リードを
はさみ込むことにより、電極リードの取り付け工
程を迅速容易ならしめることにある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a flat battery, and is an improvement in the structure for taking out electrode leads from a terminal take-out window. By sandwiching the electrode lead between the two, the electrode lead attachment process can be made quick and easy.
従来の扁平電池は第１図から第４図に示す如く
構成されている。図中、電解液が含浸されたセパ
レータ１をはさんで、例えば二酸化マンガン主体
の正極活物質２及び亜鉛からなる負極活物質３が
対向配置されている。正極集電体４は正極活物質
２に電気的に接続しており、端子取出窓５より電
池出力を取り出すことができるようになつてい
る。一方、負極集電体６は負極活物質３と電気的
に接続しており、同様に端子取出窓７より電池出
力が取り出される。以上の発電要素をプラスチツ
クフイルム主体の外装部材８で密封する。集電体
４，６と外装部材８とはプラスチツクフイルムの
最内面にラミネートされているエチレン−アクリ
ル酸共重合体からなる感熱性接着剤層９にて接着
されている。また表裏２枚の外装部材８は扁平電
池をとり囲む周縁部１０で、感熱性接着剤層９同
士が接着されている。 A conventional flat battery is constructed as shown in FIGS. 1 to 4. In the figure, a positive electrode active material 2 mainly made of manganese dioxide and a negative electrode active material 3 made of zinc, for example, are arranged to face each other with a separator 1 impregnated with an electrolytic solution sandwiched therebetween. The positive electrode current collector 4 is electrically connected to the positive electrode active material 2, and the battery output can be taken out from the terminal extraction window 5. On the other hand, the negative electrode current collector 6 is electrically connected to the negative electrode active material 3, and the battery output is similarly taken out from the terminal extraction window 7. The above power generation element is sealed with an exterior member 8 mainly made of plastic film. The current collectors 4, 6 and the exterior member 8 are bonded together with a heat-sensitive adhesive layer 9 made of ethylene-acrylic acid copolymer laminated to the innermost surface of a plastic film. Further, the two exterior members 8 on the front and back sides have heat-sensitive adhesive layers 9 adhered to each other at a peripheral edge 10 surrounding the flat battery.
第２図は他の従来例を示し、第１図の構造は集
電体４，６が端子を兼ねたものであるのに対し、
電池内部構造は第１図と全つたく同じであるが、
端子取出窓５，７に導電性樹脂１１が充填され
て、この部分の液密性と、負荷端子との接触性を
高めている。 FIG. 2 shows another conventional example. In the structure of FIG. 1, the current collectors 4 and 6 also serve as terminals.
The internal structure of the battery is exactly the same as in Figure 1, but
The terminal extraction windows 5 and 7 are filled with conductive resin 11 to improve the liquid tightness of these parts and the contact with the load terminals.
第３図はさらに他の従来例を示し、電池内部構
造は第１図のそれと全つたく同じである。その特
徴は端子取出窓において導電性樹脂接着剤又は単
なる樹脂接着剤１２によつて金属リード１３を集
電体４，６に電気的に接続固定している。 FIG. 3 shows yet another conventional example, in which the internal structure of the battery is exactly the same as that of FIG. Its feature is that the metal leads 13 are electrically connected and fixed to the current collectors 4 and 6 using a conductive resin adhesive or a simple resin adhesive 12 at the terminal extraction window.
第４図は他の従来例を示し、端子窓部５，７に
おいて、半田１４を介してリード１５と集電体
４，６を電気的に接続している。 FIG. 4 shows another conventional example, in which leads 15 and current collectors 4, 6 are electrically connected via solder 14 at terminal windows 5, 7.
以上、従来例として４列を示したが第１図の構
造の場合は、その端子取出窓の構造面から電池を
積重しても、電池を直列接続することができない
という欠点を持つている。すなわち端子取出窓部
において、集電体が外装部材よりもくぼんでいる
ため、積重しても電気的接続は得られない。 Although four rows are shown above as a conventional example, the structure shown in Figure 1 has the disadvantage that even if batteries are stacked, it is not possible to connect them in series due to the structure of the terminal extraction window. . That is, in the terminal extraction window, the current collector is recessed more than the exterior member, so even if they are stacked, no electrical connection can be obtained.
第２図、第３図の電池の欠点は電池を積重する
ことによつて、直列接続は可能になるが、導電性
樹脂接着剤または樹脂接着剤を使用しているた
め、これら接着剤の塗布及び硬化のための時間や
温度が必要である欠点を持つている。 The disadvantage of the batteries shown in Figures 2 and 3 is that series connection is possible by stacking the batteries, but since they use conductive resin adhesive or resin adhesive, these adhesives It has the disadvantage of requiring time and temperature for application and curing.
さらに第４図の従来電池の欠点は半田によつて
集電体にリードをつける方法であるため半田の溶
融による熱が、外装部材であるプラスチツク主体
のフイルムを溶かす危険性があることである。 Furthermore, a drawback of the conventional battery shown in FIG. 4 is that since the leads are attached to the current collector using solder, there is a risk that the heat generated by the melting of the solder will melt the plastic-based film that is the exterior member.
本発明はこれら、従来の導電性樹脂接着剤や半
田を使用せずして、電極リードを迅速容易に端子
取出窓に取り付けできる方法を提供するものであ
る。 The present invention provides a method for quickly and easily attaching electrode leads to terminal extraction windows without using conventional conductive resin adhesives or solders.
第５図、第６図に本発明の実施例を示す。電池
内部構造は前述した第１図と全つたく同じであ
る。第５図においてスズめつき銅線からなる電極
リード１５の一端は２枚のポリエステルフイルム
とアルミニウム箔からなり最内面に感熱性接着剤
層９を配したプラスチツクフイルム主体の外装部
材８と金属集電体４または６との間に設けられ、
その電極リードの一端はプラスチツクフイルムに
付着している感熱性接着剤９と接着状態にある。
第６図は第５図の電極リード１５とは異なり、バ
ネ効果のあるリボン状金属片１６を用いたもので
あり、いずれも加熱体による外装部材相互及び外
装部材と集電体との熱接着時に同時にリードを接
着固定している。 Embodiments of the present invention are shown in FIGS. 5 and 6. The internal structure of the battery is exactly the same as that shown in FIG. 1 described above. In FIG. 5, one end of an electrode lead 15 made of a tin-plated copper wire is connected to an exterior member 8 consisting mainly of a plastic film made of two polyester films and an aluminum foil, with a heat-sensitive adhesive layer 9 arranged on the innermost surface, and a metal current collector. provided between the body 4 or 6,
One end of the electrode lead is adhered to a heat-sensitive adhesive 9 attached to the plastic film.
Unlike the electrode lead 15 shown in FIG. 5, FIG. 6 uses a ribbon-shaped metal piece 16 with a spring effect, and in both cases, the exterior members are thermally bonded to each other and the exterior member and the current collector by a heating element. Sometimes, the lead is also glued and fixed at the same time.
この本発明の効果は、外装部材と金属集電体と
の間に電極リードをはさみ込むことにより、導電
性樹脂接着剤や半田などを使用せずして、電極リ
ードを集電体に電気的に取り付けできることにあ
り、電極リード取付け工程を迅速容易にすること
ができる。 The effect of the present invention is that by sandwiching the electrode lead between the exterior member and the metal current collector, the electrode lead can be electrically connected to the current collector without using conductive resin adhesive or solder. The electrode lead can be attached quickly and easily.
導電性樹脂接着剤の場合は、前記の如く導電性
樹脂接着剤の塗着及び硬化時間が必要であり、一
方半田付けによる場合は、半田付けの工程を新ら
たに設ける必要がある。 In the case of a conductive resin adhesive, as described above, the application and curing time of the conductive resin adhesive is required, while in the case of soldering, it is necessary to provide a new soldering process.
しかし本発明の場合には、金属集電体と外装部
材とを貼り合わせる工程において、端子取出窓周
縁の外装部材と金属集電体との間に電極リードと
して金属線やリボン状金属片の一端をはさみ込む
ことによつて、外装部材の集電体への貼り合わせ
工程と電極リードの集電体への取付け工程とを同
時に行なうことができる。 However, in the case of the present invention, in the process of bonding the metal current collector and the exterior member, one end of a metal wire or ribbon-shaped metal piece is inserted as an electrode lead between the exterior member and the metal current collector at the periphery of the terminal extraction window. By sandwiching them, the process of bonding the exterior member to the current collector and the process of attaching the electrode lead to the current collector can be performed simultaneously.
すなわち、本発明では外装部材と集電体との接
着に用いられる感熱性接着剤層がリードの固定に
共用できる。 That is, in the present invention, the heat-sensitive adhesive layer used for adhering the exterior member and the current collector can also be used for fixing the leads.
なお感熱性接着剤層としてはエチレン−アクリ
ル酸共重合体を用いる。具体的なリードの固定は
感熱性接着剤が付着された外装部材であるプラス
チツクフイルムの端子取出窓と金属集電体との間
に該窓より一部が延出した電極リードの一端をは
さみ込む。この状態のまま電池を150℃〜180℃に
加熱された２本ローラの間にはさみ込み、加圧さ
れた状態で20cm／sec程度のスピードで感熱性接
着剤を溶融して外装部材相互、外装部材と集電体
及び外装部材と集電体と電極リードとを接着す
る。なお20cm／sec以上ではエチレン−アクリル
酸共重合体の溶融が不十分であり、逆に20cm／
sec以下では溶融しすぎて、接着剤が偏在する欠
点がある。 Note that an ethylene-acrylic acid copolymer is used as the heat-sensitive adhesive layer. Specifically, the lead is fixed by inserting one end of the electrode lead, which partially extends from the window, between the terminal extraction window of the plastic film, which is an exterior member coated with heat-sensitive adhesive, and the metal current collector. . In this state, the battery is sandwiched between two rollers heated to 150℃ to 180℃, and the heat-sensitive adhesive is melted at a speed of about 20cm/sec under pressure to bond the exterior parts to each other. The member, the current collector, the exterior member, the current collector, and the electrode lead are bonded together. In addition, at 20 cm/sec or more, the ethylene-acrylic acid copolymer is insufficiently melted;
If it is less than sec, it will melt too much and the adhesive will be unevenly distributed.
なお感熱性接着剤の接着力を発揮する温度は共
重合樹脂のアクリル酸量に依存するが、3.5wt％、
8.0wt％、20wt％のいずれにおいても150〜200℃
に加熱すれば溶融して効果を発揮する。 The temperature at which the heat-sensitive adhesive exhibits adhesive strength depends on the amount of acrylic acid in the copolymer resin;
150-200℃ for both 8.0wt% and 20wt%
When heated, it melts and becomes effective.
従つて外装部材の主体をなすプラスチツクフイ
ルムの材質、厚さ等により加熱温度と移動スピー
ドとを制御すれば、迅速効率よく電極リードの集
電体への接着固定が行える。 Therefore, if the heating temperature and moving speed are controlled depending on the material, thickness, etc. of the plastic film that forms the main part of the exterior member, the electrode lead can be quickly and efficiently adhesively fixed to the current collector.
第１図から第４図は従来の扁平電池の断面図、
第５図、第６図は本発明の実施例における扁平電
池の断面図である。
１……セパレータ、２……正極、３……負極、
４，６……集電体、５，７……端子取出窓、８…
…プラスチツクフイルム主体の外装部材、９……
感熱性接着剤層、１０……周縁部、１５，１６…
…電極リード。
Figures 1 to 4 are cross-sectional views of conventional flat batteries;
FIG. 5 and FIG. 6 are cross-sectional views of a flat battery in an embodiment of the present invention. 1...Separator, 2...Positive electrode, 3...Negative electrode,
4, 6... Current collector, 5, 7... Terminal extraction window, 8...
...Exterior material mainly made of plastic film, 9...
Heat-sensitive adhesive layer, 10... peripheral portion, 15, 16...
...electrode lead.
Claims (1)
６を配置した扁平な発電要素と、 端子取出窓５，７を有して前記発電要素の上下
に位置する外装部材８、該外装部材８はプラスチ
ツクフイルム主体で感熱接着層９を最内面に有し
たものと、 前記集電体４，６と接続される電極リード１
５，１６とを準備し、 前記外装部材８で発電要素を包むとともに、こ
の外装部材８の端子取出窓５，７より前記電極リ
ード１５，１６の一部を集電体４，６と外装部材
８との間にはさみ込み、 ついで加熱体により外装部材８の周縁部相互及
び外装部材８と集電体４，６とを熱接着すると同
時にリード１５，１６の一部を外装部材８と集電
体４，６との間に固定することを特徴とする扁平
電池の製造法。[Claims] 1. Current collectors 4 with positive and negative poles at both upper and lower ends,
6, an exterior member 8 having terminal extraction windows 5 and 7 and located above and below the power generation element, the exterior member 8 being mainly made of plastic film and having a heat-sensitive adhesive layer 9 on the innermost surface. and an electrode lead 1 connected to the current collectors 4 and 6.
5, 16 are prepared, and the power generation element is wrapped in the exterior member 8, and a part of the electrode leads 15, 16 are connected to the current collectors 4, 6 and the exterior member through the terminal extraction windows 5, 7 of the exterior member 8. 8, and then the peripheral edges of the exterior member 8 and the current collectors 4 and 6 are thermally bonded to each other and the exterior member 8 to the current collectors 4 and 6 using a heating element.At the same time, a part of the leads 15 and 16 is connected to the exterior member 8 and the current collectors. A method for manufacturing a flat battery, characterized in that it is fixed between bodies 4 and 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56060199A JPS57174860A (en) | 1981-04-20 | 1981-04-20 | Manufacture of flat battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56060199A JPS57174860A (en) | 1981-04-20 | 1981-04-20 | Manufacture of flat battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57174860A JPS57174860A (en) | 1982-10-27 |
| JPS6310866B2 true JPS6310866B2 (en) | 1988-03-09 |
Family
ID=13135238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56060199A Granted JPS57174860A (en) | 1981-04-20 | 1981-04-20 | Manufacture of flat battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57174860A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60257069A (en) * | 1984-06-01 | 1985-12-18 | Fuji Elelctrochem Co Ltd | Thin type cell |
| JP6085752B2 (en) * | 2011-07-26 | 2017-03-01 | 株式会社サンエイト | Electric double layer capacitor charging method |
| JP2018181622A (en) * | 2017-04-14 | 2018-11-15 | 株式会社日立製作所 | Multilayer type secondary battery |
-
1981
- 1981-04-20 JP JP56060199A patent/JPS57174860A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57174860A (en) | 1982-10-27 |
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