JPH06349459A - Sealed type lead storage battery - Google Patents
Sealed type lead storage batteryInfo
- Publication number
- JPH06349459A JPH06349459A JP5163955A JP16395593A JPH06349459A JP H06349459 A JPH06349459 A JP H06349459A JP 5163955 A JP5163955 A JP 5163955A JP 16395593 A JP16395593 A JP 16395593A JP H06349459 A JPH06349459 A JP H06349459A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- battery
- metal plate
- projections
- battery case
- 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
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 6
- 239000000057 synthetic resin Substances 0.000 claims abstract description 6
- 239000003792 electrolyte Substances 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004743 Polypropylene Substances 0.000 abstract description 4
- -1 polypropylene Polymers 0.000 abstract description 4
- 229920001155 polypropylene Polymers 0.000 abstract description 4
- 230000006355 external stress Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000002253 acid Substances 0.000 description 6
- 230000001771 impaired effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000003466 welding 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/34—Gastight accumulators
- H01M10/342—Gastight lead accumulators
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、密閉形鉛蓄電池に係
り、特にその電槽に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed lead acid battery, and more particularly to a battery case thereof.
【０００２】[0002]
【従来の技術】密閉形鉛蓄電池を小形化するために、電
槽材として合成樹脂より曲げ強度の大きい金属を使用し
たものが特開昭６２−１６８３４０号公報などで開示さ
れている。前記公報で開示されているものは、図３のよ
うに合成樹脂製の電槽枠体６に熱溶着フィルム７，７′
をラミネートした厚さ約０．２〜１．０mmの金属板８，
８′を熱溶着して形成されている。なお、９は端子であ
る。2. Description of the Related Art In order to reduce the size of a sealed lead-acid battery, a battery using a metal having a bending strength higher than that of a synthetic resin is disclosed in Japanese Patent Laid-Open No. 62-168340. The one disclosed in the above-mentioned publication is such that, as shown in FIG. 3, the heat-welding films 7, 7'are attached to the battery case frame 6 made of synthetic resin.
A metal plate 8 with a thickness of about 0.2 to 1.0 mm,
8'is heat-welded. In addition, 9 is a terminal.
【０００３】[0003]
【発明が解決しようとする課題】このような電池は、電
池内圧が上昇して金属８，８′がふくれるのを防止する
ため、バネ性を有した金属板８，８′を用いた場合、長
期にわたって使用していると、金属板８，８′と電槽枠
体６との溶着部に応力を受け続け、ついには溶着部が破
損するという問題点を有していた。また、電池が落下し
て衝撃を受けると前記溶着部に応力が直接加わり、該溶
着がはがれ、電池の気密性が損なわれるという問題点も
有していた。In order to prevent the internal pressure of the battery from rising and the metal 8, 8'to swell in such a battery, when a metal plate 8, 8'having a spring property is used, When it is used for a long period of time, the welded portions between the metal plates 8 and 8'and the battery case frame 6 continue to be stressed, and eventually the welded portions are damaged. Further, when the battery drops and receives an impact, stress is directly applied to the welded portion, the weld is peeled off, and the airtightness of the battery is impaired.
【０００４】本発明は上記問題点に鑑みてなされたもの
であって、その目的とするところは、電槽枠体と金属板
との接合を長期にわたって維持すると共に、衝撃等の外
部応力が加わっても気密性が損なわれない密閉形鉛蓄電
池を提供することにある。The present invention has been made in view of the above problems, and an object of the present invention is to maintain the joint between the battery case frame and the metal plate for a long period of time and to apply external stress such as impact. Even if it provides a sealed lead acid battery whose airtightness is not impaired.
【０００５】[0005]
【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、正極板、負極板および電解質からなる電
池要素の側面周囲を合成樹脂製の電槽枠体１で囲み、該
電池要素の両平面からフィルム２，２’を対面させ、該
フィルム２，２’を電槽枠体１に接着し、上側のフィル
ム２の上面と下側のフィルム２’の下面とに金属板３，
３’を対面させ、該金属板３，３’の外周に形成された
突起３ａ，３ａ’により該金属板３，３’を前記電槽枠
体１に固定していることを特徴とするものである。In order to achieve the above object, the present invention encloses a side surface of a battery element composed of a positive electrode plate, a negative electrode plate and an electrolyte with a battery case frame 1 made of synthetic resin, The films 2 and 2 ′ are opposed to each other from both planes of the element, the films 2 and 2 ′ are bonded to the battery case frame 1, and the metal plate 3 is provided on the upper surface of the upper film 2 and the lower surface of the lower film 2 ′. ，
3 ′ face each other, and the metal plates 3, 3 ′ are fixed to the battery case frame 1 by projections 3 a, 3 a ′ formed on the outer periphery of the metal plates 3, 3 ′. Is.
【０００６】[0006]
【作 用】金属板３，３’の突起３ａ，３ａ’により金
属板３，３’と電槽枠体１とが固定されているので、金
属板３，３’と電槽枠体１とが単に溶着されているだけ
の場合に比べ、溶着部への応力が少なく、溶着部が破損
することがなくなる。[Operation] Since the metal plates 3, 3'and the battery case frame 1 are fixed by the projections 3a, 3a 'of the metal plates 3, 3', the metal plates 3, 3'and the battery case frame 1 Is less stressed to the welded portion than when it is simply welded, and the welded portion will not be damaged.
【０００７】[0007]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。図１は、金属板を素電池へ取り付ける前の状態
を示す本発明電池の斜視図、図２は本発明の平面図であ
り、１はポリプロピレン樹脂等からなる合成樹脂製の厚
さ２mmの電槽枠体であり、図示しない極群の側面周囲を
囲んでいる。２，２′は電槽枠体１と熱溶着可能な厚さ
３０μｍのポリプロピレン樹脂フィルムを含む厚さ１０
０μｍのラミネートフィルムであり、前記極群の両平面
から電槽枠体１に熱溶着されている。こうして素電池５
が形成され、内部の気密性が保たれている。この状態で
は、素電池５の内圧上昇及び取扱いに対する電槽の機械
的強度が不足しているので、厚さ０．２mmのステンレス
スチール、鉄、アルミニウムなどの剛性のある金属３，
３′を前記フィルム２，２′の上に重ね、金属板３，
３′の外周に形成された突起３ａ，３ａ′により枠体１
の側面に固定して機械的強度を持たせている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a battery of the present invention showing a state before attaching a metal plate to a unit cell, FIG. 2 is a plan view of the present invention, and 1 is a synthetic resin made of polypropylene resin or the like having a thickness of 2 mm. It is a tank frame and surrounds the side surface periphery of a pole group (not shown). 2 and 2'include a polypropylene resin film with a thickness of 30 μm that can be heat-welded to the battery case frame 1 and a thickness of 10
It is a laminated film of 0 μm, and is heat-welded to the battery case frame 1 from both planes of the pole group. Unit cell 5
Is formed, and the airtightness inside is maintained. In this state, the mechanical strength of the battery case against the rise of the internal pressure of the unit cell 5 and the handling is insufficient, so that the rigid metal 3, such as stainless steel, iron, aluminum, etc., having a thickness of 0.2 mm.
3'is placed on the film 2, 2 ', and the metal plate 3,
The frame 1 is formed by the protrusions 3a, 3a 'formed on the outer periphery of 3'.
It is fixed to the side of the to give it mechanical strength.
【０００８】突起３ａ，３ａ′を枠体１に固定する方法
は、突起３ａ，３ａ′の長さを枠体１の厚みより長くし
て、先端を折り曲げ素電池５を包み込むようにして枠体
１の側面に装着する。尚、上記方法でなく、例えば、枠
体１にスリットを設け、該スリットに突起３ａ，３ａ′
を通してもよく、枠体１の大きさより金属板３，３′の
大きさをわずかに小さくし、金属板３，３′のバネ性を
利用して突起３ａ，３ａをワンタッチで枠体１に装着し
てもよい。The method of fixing the protrusions 3a, 3a 'to the frame body 1 is such that the length of the protrusions 3a, 3a' is made longer than the thickness of the frame body 1 and the tip is bent to enclose the unit cell 5. Attach to the side of 1. Incidentally, instead of the above method, for example, a slit is provided in the frame body 1, and the projections 3a, 3a 'are provided in the slit.
The size of the metal plates 3, 3'may be slightly smaller than the size of the frame body 1, and the protrusions 3a, 3a may be attached to the frame body 1 with one touch by utilizing the spring property of the metal plates 3, 3 '. You may.
【０００９】このようにして作製した電圧２Ｖ、容量５
００ｍＡｈの図２のような本発明電池Ａと、本発明電池
と同一電圧、同一容量の図３のような従来電池Ｂとの容
積及び重量エネルギー効率を調べたところ略同等であっ
た。次に、本発明品Ａと従来品Ｂとをそれぞれ１０個作
製し、１．５ｍの高さから落下させる衝撃試験を行っ
た。その結果、本発明品Ａはフィルム２，２′と電槽枠
体１との溶着部が良好に保たれたまゝであったが、従来
品Ｂの８個は、前記接着部の一部がはがれていた。A voltage of 2 V and a capacity of 5 thus produced
The volume and weight energy efficiency of the battery A of the present invention as shown in FIG. 2 of 00 mAh and the conventional battery B having the same voltage and capacity as the battery of the present invention as shown in FIG. Next, 10 of the present invention product A and 10 of the conventional product B were prepared and subjected to an impact test of dropping from a height of 1.5 m. As a result, in the product A of the present invention, the welded portions between the films 2 and 2'and the battery case frame 1 were kept good, but in the eight conventional products B, some of the adhesive portions were It was peeled off.
【００１０】[0010]
【発明の効果】本発明の上述の通り構成されているの
で、次に記載する効果を奏する。 （１）長期にわたり、金属板と枠体との接合を維持でき
密閉化の信頼性を向上できる。 （２）衝撃等の外部応力が加わっても内部の気密性が損
なわれない密閉形鉛蓄電池を提供することができる。Since the present invention is constructed as described above, the following effects can be obtained. (1) The bonding between the metal plate and the frame can be maintained for a long period of time, and the reliability of sealing can be improved. (2) It is possible to provide a sealed lead-acid battery in which the internal airtightness is not impaired even when external stress such as impact is applied.
【図１】本発明に係る金属板を素電池に取り付ける前の
状態を示す斜視図である。FIG. 1 is a perspective view showing a state before a metal plate according to the present invention is attached to a unit cell.
【図２】本発明の密閉形鉛蓄電池の平面図である。FIG. 2 is a plan view of the sealed lead-acid battery of the present invention.
【図３】従来の密閉形鉛蓄電池の斜視図である。FIG. 3 is a perspective view of a conventional sealed lead-acid battery.
【符号の説明】 １ 電槽枠体 ２，２′ フィルム ３，３′ 金属板 ３ａ，３ａ′突起[Explanation of reference numerals] 1 battery case frame 2, 2'film 3, 3'metal plate 3a, 3a 'protrusion
Claims (1)
池要素の側面周囲を合成樹脂製の電槽枠体で囲み、該電
池要素の両平面からフィルムを対面させ、該フィルムを
電槽枠体に接着し、該フィルムの上面に金属板を対面さ
せ、該金属板の外周に形成された突起により該金属板を
前記電槽枠体に固定していることを特徴とする密閉形鉛
蓄電池。1. A battery element composed of a positive electrode plate, a negative electrode plate and an electrolyte is surrounded by a side wall of a battery case frame made of a synthetic resin, and the films are faced from both planes of the battery element. And a metal plate facing the upper surface of the film, and the metal plate is fixed to the battery case frame by a protrusion formed on the outer periphery of the metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5163955A JPH06349459A (en) | 1993-06-08 | 1993-06-08 | Sealed type lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5163955A JPH06349459A (en) | 1993-06-08 | 1993-06-08 | Sealed type lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06349459A true JPH06349459A (en) | 1994-12-22 |
Family
ID=15784003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5163955A Pending JPH06349459A (en) | 1993-06-08 | 1993-06-08 | Sealed type lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06349459A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0718107A3 (en) * | 1994-12-20 | 1996-08-28 | Nec Corp | Thermal head apparatus |
| EP0716927A3 (en) * | 1994-12-16 | 1996-08-28 | Nec Corp | Thermal head apparatus |
| EP1498964A1 (en) * | 2002-03-06 | 2005-01-19 | Sony Corporation | Battery device |
| JPWO2009125544A1 (en) * | 2008-04-11 | 2011-07-28 | 川崎重工業株式会社 | Sealed prismatic battery and battery module using the same |
| WO2021124695A1 (en) * | 2019-12-20 | 2021-06-24 | パナソニックＩｐマネジメント株式会社 | Battery |
-
1993
- 1993-06-08 JP JP5163955A patent/JPH06349459A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0716927A3 (en) * | 1994-12-16 | 1996-08-28 | Nec Corp | Thermal head apparatus |
| EP0718107A3 (en) * | 1994-12-20 | 1996-08-28 | Nec Corp | Thermal head apparatus |
| EP1498964A1 (en) * | 2002-03-06 | 2005-01-19 | Sony Corporation | Battery device |
| EP1498964A4 (en) * | 2002-03-06 | 2009-09-23 | Sony Corp | Battery device |
| JPWO2009125544A1 (en) * | 2008-04-11 | 2011-07-28 | 川崎重工業株式会社 | Sealed prismatic battery and battery module using the same |
| US8574750B2 (en) | 2008-04-11 | 2013-11-05 | Kawasaki Jukogyo Kabushiki Kaisha | Sealed battery to withstand internal pressures and battery module using same |
| WO2021124695A1 (en) * | 2019-12-20 | 2021-06-24 | パナソニックＩｐマネジメント株式会社 | Battery |
| CN113711425A (en) * | 2019-12-20 | 2021-11-26 | 松下知识产权经营株式会社 | Battery with a battery cell |
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