JPH01241748A - Covering composition of flat cell - Google Patents
Covering composition of flat cellInfo
- Publication number
- JPH01241748A JPH01241748A JP63070034A JP7003488A JPH01241748A JP H01241748 A JPH01241748 A JP H01241748A JP 63070034 A JP63070034 A JP 63070034A JP 7003488 A JP7003488 A JP 7003488A JP H01241748 A JPH01241748 A JP H01241748A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- battery
- covering
- shrinkable
- tube
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000037303 wrinkles Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 239000002654 heat shrinkable material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007665 sagging Methods 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
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (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、偏平状に形成された組電池あるいは素電池の
外被構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an outer cover structure for a flat assembled battery or unit cell.
従来の技術
従来この種の電池の外被構造はなく一般的には第９図、
第１０図に示すように角柱形あるいは比較的分厚い素電
池１を、筒状の熱収縮チューブ８内に挿入し、チューブ
の開口部［相］を熱溶着で密封することなく熱風炉内を
通しチューブ８を電池形状に沿って熱収縮させていた。Prior Art Conventionally, this type of battery does not have an outer shell structure, and generally, as shown in Fig. 9,
As shown in Fig. 10, a prismatic or relatively thick unit cell 1 is inserted into a cylindrical heat-shrinkable tube 8, and passed through a hot air oven without sealing the opening [phase] of the tube with heat welding. The tube 8 was heat-shrinked along the battery shape.
この場合第９図で示すような電池では短側面が綺麗に長
側面方向から短側面に向けて巻き込み、楕円形の開口部
［相］を残して電池全体を熱収縮チューブ８の外被でυ
うことか出来た。しかし第１０図の場合は、素電池１が
偏平状°であるため、短側面の熱収縮チューブが長側面
の方へ縮み過ぎ、外観上見苦しい形状になってしまう場
合が多かった。In this case, in the case of a battery as shown in Fig. 9, the short side is neatly rolled up from the long side to the short side, leaving an elliptical opening [phase] and wrapping the entire battery with the outer sheath of the heat shrink tube 8.
I was able to do something. However, in the case of FIG. 10, since the unit cell 1 is flat, the heat-shrinkable tube on the short side often shrinks too much toward the long side, resulting in an unsightly shape.
発明が解決しようとする課題
そのため短側面側でチューブ８を固定し、第１０図のよ
うに開口部が大きく開かないような事前の細工を施さね
ばならなかったし、たとえその開口部が短側面側だけに
小さく納まフたとしても、外被状態は不安定で弱いもの
になっていた。Problems to be Solved by the Invention For this reason, it was necessary to fix the tube 8 on the short side, and to do some work in advance to prevent the opening from opening wide, as shown in Figure 10, and even if the opening was on the short side. Even if it was small enough to fit only on the side, the outer covering was unstable and weak.
本発明は、組電池あるいは極端に偏平状になった素電池
を平面部は勿論のこと、長側面、短側面の全ての端面が
保護外被で【われ、強度的にも安定した外被構造を提供
するものである。The present invention provides an outer covering structure in which an assembled battery or an extremely flat cell battery is covered with a protective outer covering not only the flat part but also all the long and short end faces, which is stable in terms of strength. It provides:
課題を解決するだめの手段
組電池あるいは偏平状の素電池の外形に密着して丈夫な
外被構造を形成させるためには、適度な熱収縮率を有す
る収縮チューブあるいはシートなどの外被と、熱収縮さ
せる以前の外被裁断寸法とが重要である。また保護され
る中味の電池形状によっては前記した問題点かあシ、各
部の仕様を決めるための繰返し試験も必要になる。本発
明では電池形状にほぼ近い大きさに熱収縮チューブある
いはシート等の外被を裁断し、その全周あるいはその開
口部を熱溶着によシ封止し、電池全体を熱収縮材料内に
封入するものである。Means to Solve the Problem In order to form a strong outer shell structure that closely adheres to the outer shape of the assembled battery or flat unit cell, it is necessary to use an outer shell such as a shrinkable tube or sheet that has an appropriate heat shrinkage rate. The cutting dimensions of the jacket before heat shrinking are important. Furthermore, depending on the shape of the battery whose contents are to be protected, repeated tests may be necessary to overcome the problems mentioned above and to determine the specifications of each part. In the present invention, an outer covering such as a heat-shrinkable tube or sheet is cut to a size almost similar to the shape of the battery, the entire circumference or the opening thereof is sealed by heat welding, and the entire battery is encapsulated within the heat-shrinkable material. It is something to do.
作 川
電池をチューブあるいはシート内に封入した後、熱風炉
を通してチューブあるいはシートを熱収縮させると表面
の外被が収縮を始めるが、中味の電池形状に関係なく電
池全体が封入されているため、収縮材料からなる外被は
中味に密着するまでは多少の収縮を行なうが、それ以上
は縮まることが出来ないので各面は互いに引張られ、た
るみ、シワ。After enclosing a battery in a tube or sheet, when the tube or sheet is heat-shrinked through a hot air oven, the outer sheath on the surface begins to shrink, but regardless of the shape of the battery inside, the entire battery is encapsulated. The outer cover made of shrinkable material will shrink a little until it comes into close contact with the contents, but it cannot shrink any further, so each side is pulled together, causing sagging and wrinkles.
歪を起こすことなく均一で、安定した外被構造を形成す
ることが出来る。A uniform and stable outer covering structure can be formed without causing distortion.
実施例
第１図〜第３図において、１は偏平状に形成された素電
池で該素電池１は平面状に６枚順次整列させ、素電池の
極性に応じて相互の端子間に配線させる。２はこの素電
池１間を連結し、配線する接続片である。９，１ｏは第
４図で示すとおシ、素電池１の両端面をカバーする集電
板である。この集電板９．１０は素電池１の陽及び陰極
としての電源取出し端子をなしている。３．４は前記し
た平面状に整列した素電池群に渡ってこの素電池１の両
側から挾持するように貼付けた保護シートである。該シ
ート３．４の大きさは素電池１を平面状に整列させた表
面積の大きさにはｙ等しくしている。Embodiment In FIGS. 1 to 3, reference numeral 1 denotes a unit cell formed in a flat shape, and six unit cells 1 are sequentially arranged in a plane, and wires are wired between mutual terminals according to the polarity of the unit cell. . Reference numeral 2 denotes a connecting piece for connecting and wiring the unit cells 1. As shown in FIG. 4, 9 and 1o are current collector plates that cover both end surfaces of the unit cell 1. The current collector plates 9 and 10 serve as power supply terminals serving as positive and negative electrodes of the unit cell 1. Reference numeral 3.4 denotes a protective sheet that is attached to sandwich the unit cells 1 from both sides over the group of unit cells arranged in a plane. The size of the sheet 3.4 is made equal to the surface area y of the unit cells 1 arranged in a plane.
該シート３の一部には切欠き部３′を設け、組電池とし
ての電源取出し端子部となし、陽極端子部６および陰極
端子部６を配設して、この部分に電源コード７の各端子
用のリード線７′を半田付けしている。８はこれら素電
池１の組合わされ、配線された組電池全体を包む熱収縮
性材料からなる外被である。該外被８は、平面状に組合
わされた素電池群及び電源コード７の接続両極端子部６
゜６と、その電源コードの先端部を覆う。A notch 3' is provided in a part of the sheet 3, which serves as a power outlet terminal for the assembled battery, an anode terminal 6 and a cathode terminal 6 are provided, and each of the power cords 7 is connected to this part. Lead wires 7' for terminals are soldered. Reference numeral 8 denotes an outer cover made of a heat-shrinkable material that encloses the entire assembled battery in which these unit cells 1 are combined and wired. The outer sheath 8 includes a unit cell group combined in a planar shape and a connecting terminal portion 6 of the power cord 7.
゜6 and cover the tip of the power cord.
前記外被８は第６図に示すようにチューブ状のものを適
切な長さＬに切断し、一方の開口部Ｏをあらかじめ超音
波溶接機あるいは高周波溶接機で溶着し、該外被８をあ
らかじめ袋状に形成し、この中に前記平面状に組合わさ
れた素電池群及び電源コード７を挿入する。他方の開口
部Ｏは中味の素電池群の挿入後０部を熱溶着する。一方
のあらかじめ溶着した部分は（イ）とすると、とのωの
溶着部は全辺に渡って溶着せずに一部開口部＠をなす長
さｌを残して溶着する。この開口部＠は電源コード７を
通すための穴である。■、０の溶着部は熱収縮完了後、
側面に沿って折曲げ、側面から突出しないように処理す
る（第１図、第３図θ参照）。As shown in FIG. 6, the outer sheath 8 is made by cutting a tube-shaped piece to an appropriate length L, and welding one opening O with an ultrasonic welder or a high-frequency welder in advance to form the outer sheath 8. It is formed in advance into a bag shape, into which the unit cell group assembled in a planar shape and the power cord 7 are inserted. The other opening O is thermally welded after inserting the cell group therein. Assuming that one pre-welded part is (A), the welded part of and ω is not welded over all sides, but is welded leaving a length l that partially forms an opening. This opening @ is a hole through which the power cord 7 is passed. ■、0 welded part is after heat shrinkage is completed,
Bend it along the side surface and process it so that it does not protrude from the side surface (see Fig. 1 and Fig. 3 θ).
外被８は第６図及び第６図に示すように、チューブ状の
ものや第７図のように中味である電池群を２枚のシート
状の熱収縮性材料で挾み、該熱収縮シート８′の全周辺
部のを熱溶着て封止して外被８を形成する方法もある。As shown in FIGS. 6 and 6, the outer sheath 8 is made of a tube-like material, or as shown in FIG. There is also a method of forming the outer cover 8 by thermally welding and sealing the entire periphery of the sheet 8'.
あるいは、第８図のように屈曲部θで二つ折りにしたシ
ート状の熱収縮材料の間に電池を挾み、該熱収縮シート
８“の３辺部■を熱溶着て封止して外被８を形成する方
法もある。Alternatively, as shown in Fig. 8, the battery is sandwiched between sheets of heat-shrinkable material folded in half at the bend θ, and the three sides of the heat-shrinkable sheet 8'' are sealed by heat welding and removed. There is also a method of forming the cover 8.
第７図、第８図に示したシート状の熱収縮材料で外被８
を形成させる場合は電池をシートの間に挾持すると同時
に周辺を熱溶着して封入出来るので、中味の挿入工数が
大幅に削減できる。The outer cover 8 is made of sheet-like heat-shrinkable material as shown in Figures 7 and 8.
When forming a battery, the battery can be sandwiched between sheets and the surrounding area can be sealed by heat welding at the same time, so the number of man-hours required for inserting the contents can be significantly reduced.
発明の効果 このような本発明では以下の効果を得ることができる。Effect of the invention According to the present invention, the following effects can be obtained.
１ 扁平状に形成した組合せ電池あるいは素電池を熱収
縮チューブ内に挿入しそのチューブの開口部両端を熱溶
着で封入した後に熱収縮させることによシ外被は中味に
密着してたるみ、シワ、歪など外観上の不具合を起こさ
ず、また外被にほとんど開口部分がないので開口部の異
常な拡大（チューブの収縮による）、破れなどの不具合
は発生することがない。1. By inserting a flat combination battery or unit cell into a heat-shrinkable tube, sealing both ends of the tube's opening with heat welding, and then heat-shrinking it, the outer cover adheres tightly to the contents and does not sag or wrinkle. It does not cause any appearance defects such as distortion, and since there are almost no openings in the outer cover, problems such as abnormal enlargement of the opening (due to contraction of the tube) or tearing do not occur.
２ 熱収縮チューブの両端が切断されたままの開口され
た状態で熱収縮された場合の出来上シ寸法は非常にバラ
ツキが大きくその寸法を予め推定して決定することは困
難であるが、その両端を溶着し封止すると熱収縮の動き
を中味の寸法で規制することが出来るので、安定した外
被を形成することが出来る。2. When a heat-shrinkable tube is heat-shrinked with both ends cut and open, the finished dimensions vary widely and it is difficult to estimate and determine the dimensions in advance. By welding and sealing both ends, the movement of heat shrinkage can be controlled by the dimensions of the contents, so a stable outer cover can be formed.
３ 収縮チューブに代り、シート状の熱収縮材料を使用
すると、中味の挿入工数が大幅に削減できる利点がある
。これは偏平状の中味を熱収縮性材料で覆い包む作業の
自動化が行なえることになる。下側に中味よシや＼広い
熱収縮シートをフープ状に流し、この上に偏平電池を適
当な間隔をとりながら連続して並べ、更にこの上に前記
と同一の郊収縮シートをフープ状に流して電池を上下か
ら挾み、次の工程でこの電池の全周を熱溶着で密封し、
次に外周を打ち抜き下池の外被作業を自動的に終らせる
方法が採れる。3. Using a sheet-shaped heat shrinkable material instead of a shrink tube has the advantage that the number of man-hours for inserting the contents can be significantly reduced. This allows automation of the process of wrapping the flat contents with heat-shrinkable material. Pour a wide heat-shrinkable sheet with the contents in a hoop shape on the bottom, arrange the flat batteries in succession at appropriate intervals on top of this, and then place the same heat-shrinkable sheet as above in a hoop shape on top of this. The battery is then sandwiched from above and below, and in the next step, the entire circumference of the battery is sealed with heat welding.
Next, a method can be adopted in which the outer periphery is punched out and the work of covering the lower pond is automatically completed.
第１図は本発明による外被構造の外観図、第２図は平面
状に整列した組合せ電池及び電源コードを接続した外観
図、第３図は偏平状の組合せ電池を熱収縮チューブで封
入した外被構造の断面図、第４図は各素電池を接続する
接続片の取付状態を示す図、第５図は熱収縮チューブの
一方の開口部を予め熱溶着した袋状塵を示す図、第６図
は熱収縮チューブによる外被構造の外観図、第７図は二
枚の熱収縮シートによる外被構造の外観図、第８図は二
つ折シ熱収縮シートによる外被構造の外観図、第９図は
従来の電池の熱収縮チューブによる外被構造の外観図、
第１０図は従来の偏平状電池を熱収縮チューブで行った
外被構造の別な外観図である。
１・・・・・・素電池、８・・・・・・熱収縮チューブ
（外被）、８′、８“・・・・・・熱収縮シート（外被
）、■、θ、■１．。
・・・熱溶着した部分、Ｏ・・・・・・開口部、■・・
・・・・屈曲部。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第５
図
第６図
第 ７ 図
第８図Fig. 1 is an external view of the jacket structure according to the present invention, Fig. 2 is an external view of the combined batteries arranged in a plane and power cords connected, and Fig. 3 is an external view of the flat combined batteries sealed in a heat shrink tube. 4 is a cross-sectional view of the outer cover structure, FIG. 4 is a diagram showing the attachment state of the connection piece connecting each unit cell, FIG. Figure 6 is an external view of the outer covering structure made of heat-shrinkable tubes, Figure 7 is an external view of the outer covering structure made of two heat-shrinkable sheets, and Figure 8 is an external view of the outer covering structure made of two folded heat-shrinkable sheets. , Figure 9 is an external view of the outer shell structure of a conventional battery made of heat-shrinkable tubes.
FIG. 10 is another external view of the outer covering structure of a conventional flat battery made of a heat-shrinkable tube. 1...Battery, 8...Heat shrink tube (outer cover), 8', 8''...Heat shrink sheet (outer cover), ■, θ, ■1 .. Heat welded part, O... Opening, ■...
...Bending part. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 5
Figure 6 Figure 7 Figure 8
Claims (3)
るいは、偏平状に形成した素電池を熱収縮チューブ内に
挿入し、この熱収縮チューブの開口部両端を熱溶着で封
入した偏平状電池の外被構造。(1) A combination battery formed by arranging multiple cells in a flat shape, or a flat battery in which a unit cell formed into a flat shape is inserted into a heat-shrinkable tube, and both ends of the opening of the heat-shrinkable tube are sealed by heat welding. envelope structure.
るいは偏平状に形成した素電池を二枚の熱収縮シートで
挾み、この熱収縮シートの全周辺部を熱溶着で封止した
偏平状電池の外被構造。(2) A combination battery formed by arranging multiple batteries or a unit cell formed into a flat shape is sandwiched between two heat-shrinkable sheets, and the entire periphery of the heat-shrinkable sheet is sealed by heat welding. The outer shell structure of a shaped battery.
るいは偏平状に形成した素電池を二つ折りの熱収縮シー
トで挾み、熱収縮シートの屈曲辺以外の周縁部を熱溶着
で封止した偏平状電池の外被構造。(3) A combination battery formed into a flat shape by arranging multiple batteries or a unit cell formed into a flat shape is sandwiched between two folded heat-shrinkable sheets, and the peripheral edges other than the bent sides of the heat-shrinkable sheet are sealed by heat welding. The outer cover structure of a flat battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63070034A JP2734519B2 (en) | 1988-03-24 | 1988-03-24 | Flat battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63070034A JP2734519B2 (en) | 1988-03-24 | 1988-03-24 | Flat battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01241748A true JPH01241748A (en) | 1989-09-26 |
| JP2734519B2 JP2734519B2 (en) | 1998-03-30 |
Family
ID=13419905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63070034A Expired - Fee Related JP2734519B2 (en) | 1988-03-24 | 1988-03-24 | Flat battery pack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2734519B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995016283A1 (en) * | 1993-12-06 | 1995-06-15 | Valence Technology, Inc. | Corner tab termination for flat-cell batteries |
| JP2005268138A (en) * | 2004-03-19 | 2005-09-29 | Fuji Heavy Ind Ltd | Plane alignment structure of power storage body |
| US7504179B2 (en) | 2002-05-08 | 2009-03-17 | Nissan Motor Co., Ltd. | Secondary cell module and method of its production |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102424400B1 (en) | 2018-09-13 | 2022-07-22 | 주식회사 엘지에너지솔루션 | Battery Module Having Heat-Shrinkable Tube |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57119458U (en) * | 1981-01-17 | 1982-07-24 | ||
| JPS5942766A (en) * | 1982-09-02 | 1984-03-09 | Tomoyuki Aoki | Manufacture of battery |
| JPS60230352A (en) * | 1984-04-26 | 1985-11-15 | Matsushita Electric Ind Co Ltd | Sealed lead-acid battery |
| JPS62188161A (en) * | 1986-02-13 | 1987-08-17 | Matsushita Electric Ind Co Ltd | Manufacture of sealed lead-acid battery |
-
1988
- 1988-03-24 JP JP63070034A patent/JP2734519B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57119458U (en) * | 1981-01-17 | 1982-07-24 | ||
| JPS5942766A (en) * | 1982-09-02 | 1984-03-09 | Tomoyuki Aoki | Manufacture of battery |
| JPS60230352A (en) * | 1984-04-26 | 1985-11-15 | Matsushita Electric Ind Co Ltd | Sealed lead-acid battery |
| JPS62188161A (en) * | 1986-02-13 | 1987-08-17 | Matsushita Electric Ind Co Ltd | Manufacture of sealed lead-acid battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995016283A1 (en) * | 1993-12-06 | 1995-06-15 | Valence Technology, Inc. | Corner tab termination for flat-cell batteries |
| US7504179B2 (en) | 2002-05-08 | 2009-03-17 | Nissan Motor Co., Ltd. | Secondary cell module and method of its production |
| JP2005268138A (en) * | 2004-03-19 | 2005-09-29 | Fuji Heavy Ind Ltd | Plane alignment structure of power storage body |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2734519B2 (en) | 1998-03-30 |
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| LAPS | Cancellation because of no payment of annual fees |