JPH0140469B2 - - Google Patents
Info
- Publication number
- JPH0140469B2 JPH0140469B2 JP57146465A JP14646582A JPH0140469B2 JP H0140469 B2 JPH0140469 B2 JP H0140469B2 JP 57146465 A JP57146465 A JP 57146465A JP 14646582 A JP14646582 A JP 14646582A JP H0140469 B2 JPH0140469 B2 JP H0140469B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- cylindrical
- packing material
- sealing part
- alkaline battery
- 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
- 239000000463 material Substances 0.000 claims description 24
- 238000012856 packing Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 17
- 229920006122 polyamide resin Polymers 0.000 claims description 15
- 239000002033 PVDF binder Substances 0.000 claims description 14
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 14
- 239000003792 electrolyte Substances 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- CHDVXKLFZBWKEN-UHFFFAOYSA-N C=C.F.F.F.Cl Chemical compound C=C.F.F.F.Cl CHDVXKLFZBWKEN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene 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
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、新規な円筒密閉型アルカリ電池に関
するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a novel sealed cylindrical alkaline battery.
（従来の技術と発明が解決しようとする課題）
一般に、密閉型アルカリ電池の封口部のパツキ
ング材には、ポリアミド樹脂が使用されていた。(Prior Art and Problems to be Solved by the Invention) Generally, polyamide resin has been used as a packing material for the sealing part of a sealed alkaline battery.
しかし、このポリアミド樹脂は弾性が少ない樹
脂なので、これを使用した電池においてはカシメ
をしようとする時に強度が弱くなつてしまう不都
合があつた。 However, since this polyamide resin is a resin with low elasticity, batteries using this resin have a problem in that the strength becomes weak when attempting to swage them.
また電池製造時に前記パツキング材に傷をつけ
た場合には、電池の封口部から電解液が漏れ、そ
の漏れた電解液によつて外部機器が損傷されてし
まう原因になつていた。 Furthermore, if the packing material is damaged during battery manufacture, the electrolyte leaks from the sealing part of the battery, causing damage to external equipment by the leaked electrolyte.
そこで、これまでは、電池のカシメ部の構造を
複雑な形状にしたり、電池を封口した後に封口部
にエポキシ樹脂を塗布することにより、電池の封
口部から電解液が漏れないようにしていたが、こ
のための作業が複雑になつていた。 So far, the electrolyte has been prevented from leaking from the battery seal by making the structure of the battery caulking part a complicated shape or by applying epoxy resin to the battery seal after sealing the battery. , the work for this was becoming complicated.
また、パツキング材には、特公昭39−27028号
公報に記載されているように、ポリアミド樹脂よ
りなるパツキング材の表面に三フツ化塩化エチレ
ン、またはその重合物を主な材料とする処理材を
付着したものがあるが、三フツ化塩化エチレンは
機械的な強度が弱いので、電池製造時に電池の封
口部を機械的な圧力をかけてカシメて封口する
と、パツキン材に亀裂が生じてしまうことがあ
り、製造工程における重大な問題の原因になつて
いた。 In addition, as described in Japanese Patent Publication No. 39-27028, the packing material is coated with a treatment material mainly made of trifluorochloroethylene or its polymer on the surface of the packing material made of polyamide resin. However, trifluorochloride ethylene has weak mechanical strength, so if the sealing part of the battery is sealed by applying mechanical pressure during battery manufacture, cracks may occur in the packing material. This caused serious problems in the manufacturing process.
そこで、本発明の目的は、上記課題に鑑みてな
されたもので、電池の封口を確実に行なえるよう
にすると共に、封口部から電解液が漏れないよう
にするアルカリ電池を提供することにある。 SUMMARY OF THE INVENTION Therefore, an object of the present invention has been made in view of the above problems, and it is an object of the present invention to provide an alkaline battery that can reliably seal the battery and prevent electrolyte from leaking from the sealing part. .
（課題を達成するための手段）
上記課題を解決するための手段として本発明
は、円板状のポリアミド樹脂板表面の少なくとも
円筒状缶に接する片面に、ポリフツ化ビニリデン
樹脂層を形成するパツキング材を、前記円筒状缶
とその円筒状缶を封口する蓋との間の封口部に設
けたものである。(Means for Achieving the Problems) As a means for solving the above problems, the present invention provides a packing material in which a polyvinylidene fluoride resin layer is formed on at least one surface of a disc-shaped polyamide resin plate that is in contact with a cylindrical can. is provided in the sealing portion between the cylindrical can and the lid that seals the cylindrical can.
（作用）
円板状のポリアミド樹脂板表面の少なくとも円
筒状缶に接する片面に、ポリフツ化ビニリデン樹
脂層を形成するパツキング材を、前記円筒状缶と
その円筒状缶を封口する蓋との間の封口部に設け
たことにより、電池封口部を封口するときに、カ
シメにより機械的な力が封口部に加えられても、
ポリフツ化ビニリデン樹脂層を形成するパツキン
材により封口部に弾性が付勢されるようにする。(Function) A packing material forming a polyvinylidene fluoride resin layer is applied to at least one side of the disc-shaped polyamide resin plate surface that is in contact with the cylindrical can, between the cylindrical can and the lid that seals the cylindrical can. By providing it in the sealing part, even if mechanical force is applied to the sealing part by caulking when sealing the battery sealing part,
The packing material forming the polyvinylidene fluoride resin layer imparts elasticity to the sealing portion.
その時には、パツキン材の弾性力により機械的
な剪断応力が吸収されるので、パツキンに亀裂が
生じないようにすることができるので、電池の製
造を円滑にすることができる。 At that time, the mechanical shearing stress is absorbed by the elastic force of the packing material, so that cracks can be prevented from occurring in the packing material, making it possible to smoothly manufacture the battery.
また、上記パツキング材により、電池封口部の
密着性を高めることにより、電池の封口部から電
解液が漏れ、その漏れた電解液によつて外部機器
が損傷されないようにすることができる。 Further, by increasing the adhesion of the battery sealing part with the packing material, it is possible to prevent the electrolyte from leaking from the battery sealing part and damaging external equipment by the leaked electrolyte.
（実施例）
次に、本発明の一実施例を第１図及び第２図に
基づいて説明する。(Example) Next, an example of the present invention will be described based on FIGS. 1 and 2.
第１図は本発明円筒状密閉型アルカリ電池の一
実施例を示す要部切り欠き断面図、第２図は第１
図の要部拡大断面図である。 FIG. 1 is a cutaway sectional view of essential parts showing one embodiment of the cylindrical sealed alkaline battery of the present invention, and FIG.
It is an enlarged cross-sectional view of the main part of the figure.
これらの図において、符号１はニツケルメツキ
を施した鉄製の円筒状負極缶で、その円筒状負極
缶１の上部棚部２には、ポリフツ化ビニリデン樹
脂を片面に付着したポリアミド樹脂から成るパツ
キング材３を介して円板状の正極蓋４の外縁部が
カシメられて、封口部５が形成される。 In these figures, reference numeral 1 denotes a nickel-plated iron cylindrical negative electrode can, and the upper shelf 2 of the cylindrical negative electrode can 1 has a packing material 3 made of polyamide resin with polyvinylidene fluoride resin adhered to one side. The outer edge of the disk-shaped positive electrode cover 4 is caulked through the sealing part 5 to form a sealing part 5.
６はニツケル正極板とカドミウム負極板をセパ
レータを介して渦巻き状に巻き回した極板群であ
る。 Reference numeral 6 denotes an electrode plate group in which a nickel positive electrode plate and a cadmium negative electrode plate are spirally wound with a separator in between.
前記パツキング材３は、ポリフツ化ビニリデン
樹脂粉末をアセトンに加え、加熱してポリフツ化
ビニリデン樹脂粉末を前記アセトンに溶解させ、
溶解したいわゆるアセトン溶液を円板状のポリア
ミド樹脂板７の片面に塗布して厚さ約50マイクロ
メータのポリフツ化ビニリデン樹脂層８を形成し
て製造したものである。 The packing material 3 is made by adding polyvinylidene fluoride resin powder to acetone and heating it to dissolve the polyvinylidene fluoride resin powder in the acetone.
It was manufactured by applying a so-called dissolved acetone solution to one side of a disc-shaped polyamide resin plate 7 to form a polyvinylidene fluoride resin layer 8 having a thickness of about 50 micrometers.
本円筒状密閉型アルカリ電池では、ポリフツ化
ビニリデン樹脂層８を円板状のポリアミド樹脂板
７の下面に形成して、円筒状負極缶１の上部に正
極蓋４をカシメて取付ける際、ポリフツ化ビニリ
デン樹脂層８が正極蓋４に沿つて折り返されポリ
アミド樹脂板７の外面側に位置して円筒状負極缶
１に接するようにしたものである。 In this cylindrical sealed alkaline battery, a polyvinylidene fluoride resin layer 8 is formed on the lower surface of a disc-shaped polyamide resin plate 7, and when the positive electrode cover 4 is caulked and attached to the top of the cylindrical negative electrode can 1, the polyvinylidene fluoride resin layer 8 is The vinylidene resin layer 8 is folded back along the positive electrode lid 4 and is positioned on the outer surface side of the polyamide resin plate 7 so as to be in contact with the cylindrical negative electrode can 1.
このようにして製造された密閉型アルカリ電池
をアルカリ電池Ａとし、パツキング材３としてポ
リアミド樹脂板７を用い、電池の封口部５にエポ
キシ樹脂を塗布した以外はアルカリ電池Ａと同様
に作成した密閉型アルカリ電池をアルカリ電池Ｂ
とし、パツキング材３としてポリアミド樹脂板７
に三フツ化塩化エチレンを付着させた以外はアル
カリ電池Ａと同様に作成した密閉型アルカリ電池
をアルカリ電池Ｃとする。 The thus manufactured sealed alkaline battery was referred to as alkaline battery A, and a sealed battery was prepared in the same manner as alkaline battery A, except that a polyamide resin plate 7 was used as the packing material 3 and an epoxy resin was applied to the battery sealing part 5. type alkaline battery to alkaline battery B
A polyamide resin plate 7 is used as the packing material 3.
Alkaline battery C is a sealed alkaline battery prepared in the same manner as alkaline battery A except that ethylene trifluoride chloride was attached to the battery.
そして、例えば、アルカリ電池Ａ乃至アルカリ
電池Ｃををそれぞれ100個作り、温度45度Ｃ、湿
度70パーセントの高温多湿雰囲気中に６か月放置
して、各アルカリ電池Ａ乃至アルカリ電池Ｃの電
解液の漏れを確認したところ、アルカリ電池Ｂで
は、100個中で10個、アルカリ電池Ｃでは、100個
中で５個、アルカリ電池Ａでは、100個中で１個
の電解液の漏れがあることがわかつた。 Then, for example, make 100 each of alkaline batteries A to C, and leave them in a high-temperature and humid atmosphere of 45 degrees Celsius and 70% humidity for 6 months. When we checked for leakage, we found that alkaline battery B had electrolyte leakage in 10 out of 100 batteries, alkaline battery C in 5 out of 100 batteries, and alkaline battery A in 1 out of 100 batteries. I understood.
以上のテストからアルカリ電池Ａによれば、電
解液の漏れをできるだけ少なくすることができる
ことが確認される。 From the above tests, it is confirmed that alkaline battery A can minimize electrolyte leakage.
したがつて、本実施例のアルカリ電池では、電
池の封口部５を封口するときカシメにより機械的
な力が封口部５に加えられても、ポリフツ化ビニ
リデン樹脂層８を形成するパツキン材３によつて
封口部５に弾性が付勢されるので、そのパツキン
材３の弾性力によつて機械的な剪断応力を吸収す
ることができ、かつパツキン材３の密着性により
電解液の漏れを少なくすることができる。 Therefore, in the alkaline battery of this embodiment, even if mechanical force is applied to the sealing part 5 by caulking when sealing the battery sealing part 5, the packing material 3 forming the polyvinylidene fluoride resin layer 8 will not be affected. As a result, elasticity is applied to the sealing part 5, so the elastic force of the packing material 3 can absorb mechanical shearing stress, and the adhesiveness of the packing material 3 reduces leakage of the electrolyte. can do.
なお、上記実施例では、アセトン溶液を円板状
のポリアミド樹脂板７の片面に円筒状負極缶１に
接するよう塗布したものについて説明したが、円
板状のポリアミド樹脂板７の上下両面にアセトン
溶液をポリアミド樹脂板７の外面側に位置して円
筒負極缶１に接するようにしたことによつて、正
極蓋４及び円筒状負極缶１との間の封口部５の両
方にポリフツ化ビニリデン樹脂層８が接するよう
にしてもよい。 In the above embodiment, an acetone solution was applied to one side of the disc-shaped polyamide resin plate 7 so as to be in contact with the cylindrical negative electrode can 1. By positioning the solution on the outer surface of the polyamide resin plate 7 so as to contact the cylindrical negative electrode can 1, polyvinylidene fluoride resin is applied to both the positive electrode lid 4 and the sealing part 5 between the cylindrical negative electrode can 1. The layers 8 may be in contact.
（発明の効果）
上記のように本発明によれば、ポリフツ化ビニ
リデン樹脂層を形成するパツキン材によつて封口
部に弾性が付勢されるので、そのパツキン材の弾
性力によつて機械的な剪断応力を吸収することが
でき、かつパツキン材の密着性を高めることによ
り、電解液の漏れをなくすことができる。(Effects of the Invention) As described above, according to the present invention, elasticity is applied to the sealing part by the packing material forming the polyvinylidene fluoride resin layer, so the elastic force of the packing material causes mechanical damage. By absorbing significant shear stress and increasing the adhesion of the packing material, leakage of the electrolyte can be eliminated.
第１図は本発明円筒状密閉型アルカリ電池の一
実施例を示す要部切り欠き断面図、第２図は第１
図の要部拡大断面図である。
１は円筒状負極缶、３はパツキング材、４は正
極蓋、７はポリアミド樹脂板、８はポリフツ化ビ
ニリデン樹脂層である。
FIG. 1 is a cutaway sectional view of essential parts showing one embodiment of the cylindrical sealed alkaline battery of the present invention, and FIG.
It is an enlarged cross-sectional view of the main part of the figure. 1 is a cylindrical negative electrode can, 3 is a packing material, 4 is a positive electrode lid, 7 is a polyamide resin plate, and 8 is a polyvinylidene fluoride resin layer.
Claims (1)
円筒状缶に接する片面に、ポリフツ化ビニリデン
樹脂層を形成するパツキング材を、前記円筒状缶
とその円筒状缶を封口する蓋との間の封口部に設
けたことを特徴とする円筒密閉型アルカリ電池。1. A packing material forming a polyvinylidene fluoride resin layer is applied to at least one side of the disc-shaped polyamide resin plate surface that is in contact with the cylindrical can, in the sealing part between the cylindrical can and the lid that seals the cylindrical can. A sealed cylindrical alkaline battery characterized by being equipped with a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57146465A JPS5935356A (en) | 1982-08-24 | 1982-08-24 | Sealed alkaline battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57146465A JPS5935356A (en) | 1982-08-24 | 1982-08-24 | Sealed alkaline battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5935356A JPS5935356A (en) | 1984-02-27 |
| JPH0140469B2 true JPH0140469B2 (en) | 1989-08-29 |
Family
ID=15408246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57146465A Granted JPS5935356A (en) | 1982-08-24 | 1982-08-24 | Sealed alkaline battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5935356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8574745B2 (en) | 2009-06-15 | 2013-11-05 | Nissan Motor Co., Ltd. | Resin composition and organic-electrolyte battery |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62286793A (en) * | 1986-06-04 | 1987-12-12 | Nec Corp | Optical recording medium |
| US6265096B1 (en) * | 1998-08-21 | 2001-07-24 | Eveready Battery Company, Inc. | Electrochemical cell having collector electrically insulated from cover |
-
1982
- 1982-08-24 JP JP57146465A patent/JPS5935356A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8574745B2 (en) | 2009-06-15 | 2013-11-05 | Nissan Motor Co., Ltd. | Resin composition and organic-electrolyte battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5935356A (en) | 1984-02-27 |
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