JPS6356372A - Aluminum/stainless steel clad material and its production - Google Patents
Aluminum/stainless steel clad material and its productionInfo
- Publication number
- JPS6356372A JPS6356372A JP61198467A JP19846786A JPS6356372A JP S6356372 A JPS6356372 A JP S6356372A JP 61198467 A JP61198467 A JP 61198467A JP 19846786 A JP19846786 A JP 19846786A JP S6356372 A JPS6356372 A JP S6356372A
- Authority
- JP
- Japan
- Prior art keywords
- aluminum
- stainless steel
- purity
- clad
- electrical double
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 title claims abstract description 31
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 24
- 239000010935 stainless steel Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000005253 cladding Methods 0.000 claims abstract description 15
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005097 cold rolling Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 14
- 239000004744 fabric Substances 0.000 abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052759 nickel Inorganic materials 0.000 abstract description 7
- 239000003792 electrolyte Substances 0.000 abstract description 3
- 238000007747 plating Methods 0.000 abstract description 2
- 229920000049 Carbon (fiber) Polymers 0.000 abstract 1
- 239000004917 carbon fiber Substances 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000005304 joining Methods 0.000 abstract 1
- 238000007751 thermal spraying Methods 0.000 abstract 1
- 238000007750 plasma spraying Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/04—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明はアルミニウム／ステンレス クラッド祠に関す
る。特にメモリー等のバックアップ電源に用いられる電
気２重層キャパシタのケース材として使用されるアルミ
ニウム／ステンレス クラッド材に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an aluminum/stainless steel clad shrine. In particular, it relates to aluminum/stainless steel cladding materials used as case materials for electric double layer capacitors used in backup power sources for memory and other devices.
［従来の技術］
従来、電気２重層キャパシタは、活性炭繊維布の分極性
電極とケース、閉口板とのオーミックコンタクトを良好
に維持し、活性炭繊維布の分極性電極に蓄積される電荷
の取出しを高効率にし内部抵抗を低くするために、活性
炭繊維布の片面に１００〜３００μｍのアルミニウム金
属層を導電性電極層として設ける方法がとられていた。[Prior Art] Conventionally, electric double layer capacitors maintain good ohmic contact between the polarizable electrodes made of activated carbon fiber cloth, the case, and the closing plate, and take out the electric charge accumulated in the polarizable electrodes made of activated carbon fiber cloth. In order to achieve high efficiency and lower internal resistance, a method has been adopted in which an aluminum metal layer of 100 to 300 μm in thickness is provided as a conductive electrode layer on one side of an activated carbon fiber cloth.
このアルミニウム金属層は、アルミニウム粉末をプラズ
マ溶射法によって活性炭繊維布上に直接形成したもので
ある。しかる後に所望の大きさに打抜きを行ない、活性
炭繊維布の分極性電極とし電解液注入後１、セパレータ
を取付はケーシングされ電気２重層キャパシタとなる。This aluminum metal layer is formed by directly forming aluminum powder on the activated carbon fiber cloth by plasma spraying. Thereafter, it is punched out to a desired size, used as a polarizable electrode of activated carbon fiber cloth, and after injecting an electrolyte, a separator is attached to the casing to form an electric double layer capacitor.
この際ケース材料は、電気化学的に安定で、耐有機溶媒
性、耐電解質性でなければならない。また耐腐食性も考
慮する必要があり、ステンレスが用いられる。In this case, the case material must be electrochemically stable, resistant to organic solvents, and resistant to electrolytes. It is also necessary to consider corrosion resistance, so stainless steel is used.
［発明が解決しようとする問題点］
しかるに、従来の電気２重層キャパシタを作るには、
（１）分極性電極になる、活性炭繊維布」二に直接アル
ミニウム粉末をプラズマ溶射して、アルミニウム金属層
を１００〜３００μｍの厚さに被覆するので、コストが
高くついた。[Problems to be Solved by the Invention] However, in order to make a conventional electric double layer capacitor, (1) plasma spraying aluminum powder directly onto the activated carbon fiber cloth, which will become the polarizable electrode, to form an aluminum metal layer. The cost was high because it was coated to a thickness of 100 to 300 μm.
（２）シート状の活性炭繊維布にアルミニウム粉末をプ
ラズマ溶射した後に、所望の大きさく円形）に打抜く為
歩留が悪い。(2) After aluminum powder is plasma sprayed onto a sheet-like activated carbon fiber cloth, it is punched out into a circular shape of desired size, resulting in poor yield.
（３）製造工程が長い。(3) The manufacturing process is long.
（４）部品件数が多い。(4) There are many parts.
等の欠点があった。There were drawbacks such as.
本発明の目的は、前記した従来技術の欠点を解消し、従
来の電気２重層キャパシタと同等具」二の特性を有し、
しかも安価な電気２重層キャパシタの作成を可能にする
アルミニウム／ステンレスクラッド材およびその製造法
を提供することにある。The object of the present invention is to eliminate the drawbacks of the prior art described above, and to have the same characteristics as the conventional electric double layer capacitor.
Moreover, it is an object of the present invention to provide an aluminum/stainless steel clad material and a method for manufacturing the same, which enable the production of inexpensive electric double layer capacitors.
［問題点を解決するための手段］
本発明の要旨は、電気２重層キャパシタのケース材料と
してのステンレスに高純度のアルミニウム金属層を設け
たことにある。[Means for Solving the Problems] The gist of the present invention is to provide a high-purity aluminum metal layer on stainless steel as a case material of an electric double layer capacitor.
すなわち本発明は、純度９９．９９％以上の高純度アル
ミニウムをオーステナイト系ステンレス鋼からなるベー
ス材にオーバーレイ状にクラッドしたことを特徴とする
アルミニウム／ステンレスクラッド材であり、さらにそ
の製造法として純度９９．９９％以」二の高純度アルミ
ニウムをオーステナイト系ステンレス鋼からなるベース
材に冷間圧延圧接法を用いて長さ方向に沿って連続的に
オーバーレイ状にクラッドすることを特徴とするアルミ
ニウム／ステンレス クラッド材の製造法である。That is, the present invention is an aluminum/stainless clad material characterized by cladding high-purity aluminum with a purity of 99.99% or more on a base material made of austenitic stainless steel in the form of an overlay. An aluminum/stainless steel product characterized by cladding a base material of austenitic stainless steel with high-purity aluminum of .99% or more in a continuous overlay along its length using a cold rolling welding method. This is a method for manufacturing cladding materials.
本クラッド材に使用するアルミニウムは、電解コンデン
サー用の高純度アルミニウム（純度９９，８％または９
９．９９％以上）であるか、用途に応じ純度９９．３％
以上のアルミニウムのクラッドも可能である。The aluminum used for this cladding material is high-purity aluminum (99.8% purity or 99.8% purity) for electrolytic capacitors.
9.99% or higher) or purity 99.3% depending on the use.
The above aluminum cladding is also possible.
本発明においては高純度アルミニウムの板厚比率は全体
の１３〜３０％であることが好ましい。In the present invention, the thickness ratio of high-purity aluminum is preferably 13 to 30% of the total thickness.
第１図は本発明によるアルミニウム／ステンレス クラ
ッド材の１実施態様を示す断面図である。FIG. 1 is a sectional view showing one embodiment of the aluminum/stainless steel cladding material according to the present invention.
純度９９．９９％以上の高純度アルミニウム１を用い、
その板厚は全体の厚みに対し板厚比率１３〜３０％を有
し、冷間圧延圧接法によってオーステナイト系ステンレ
ス鋼２にクラッドしたものである。Using high purity aluminum 1 with a purity of 99.99% or more,
The plate thickness has a plate thickness ratio of 13 to 30% with respect to the total thickness, and is clad with austenitic stainless steel 2 by a cold rolling welding method.
又アルミニウム／ステンレス クラッド材のステンレス
側に、外観の向上、接触抵抗の低下を目的としてニッケ
ルを施してもよい。ニッケル層を施すには、めっぎおよ
び冷間圧延圧接のどちらの方法も用いることが出来る。Further, nickel may be applied to the stainless steel side of the aluminum/stainless steel clad material for the purpose of improving the appearance and lowering the contact resistance. Both plating and cold roll welding methods can be used to apply the nickel layer.
［作 用］
本発明のアルミニウムとステンレスの接着強度は、冷間
圧延圧接法により非常に強固になり、また９９．９９％
の高純度のアルミニウムの使用により、導電性に優れた
クラッド材が得られる。[Function] The adhesive strength between aluminum and stainless steel of the present invention is extremely strong by the cold rolling welding method, and is 99.99%
By using high-purity aluminum, a cladding material with excellent conductivity can be obtained.
本クラッド材を電気２重層キャパシタのケース材として
採用することにより、活性炭繊維布上のアルミニウム金
属層を形成させる為のプラズマ溶射は不要になり、大巾
なコストダウンが可能となる。By employing this cladding material as a case material for an electric double layer capacitor, plasma spraying to form the aluminum metal layer on the activated carbon fiber cloth becomes unnecessary, making it possible to significantly reduce costs.
また、クラッドのベース材にオーステナイト系ステンレ
ス鋼を用いることにより、ケースのシール用バッキング
をおさえるためのバネ性が確保され、キャパシタの内容
物のもれ等を防ぐ強固なケースとすることが出来る□。In addition, by using austenitic stainless steel for the base material of the cladding, the springiness to suppress the sealing backing of the case is ensured, making it possible to create a strong case that prevents the contents of the capacitor from leaking. .
［実施例］
第２図は本発明のアルミニウム／ステンレスクラッド材
の１実施例に示す。[Example] FIG. 2 shows an example of the aluminum/stainless steel clad material of the present invention.
純度９’９．９９％以上の高純度アルミニウム板１の厚
み５０μｍを、冷間圧延圧接法によりオーステナイト系
ステンレス鋼２の厚み２００μｍにクラッドした。さら
にアルミニウム／ステンレスクラッド材のステンレス側
に２〜４μｍのニッケル層をめっきにより施し、アルミ
ニウム／ステンレス／ニッケル クラッド材を作った。A high purity aluminum plate 1 having a purity of 9'9.99% or more with a thickness of 50 μm was clad with austenitic stainless steel 2 with a thickness of 200 μm by cold rolling welding. Furthermore, a nickel layer of 2 to 4 μm was plated on the stainless steel side of the aluminum/stainless steel clad material to produce an aluminum/stainless steel/nickel clad material.
［発明の効果］
電気２重層キャパシタのケース材料として本発明のクラ
ッド材を採用することにより、活性炭繊維布上のプラズ
マ溶射が不要になり、大１１１な工程省略が図れた。[Effects of the Invention] By employing the cladding material of the present invention as the case material of the electric double layer capacitor, plasma spraying on the activated carbon fiber cloth is no longer necessary, and 111 steps can be omitted.
また従来は活性炭繊維布上に設ける、アルミニウム金属
層の厚さは、１００μｍ〜３００μｍが必要であったも
のが、本発明のアルミニウム／ステンレス クラッド材
では４０μｍ〜７０μｍとなり加工費はプラズマ溶射の
場合の約１／２〜１／４となり、電気２重層キャパシタ
の著しいコストダウンを実現することが出来た。In addition, conventionally, the thickness of the aluminum metal layer provided on the activated carbon fiber cloth was required to be 100 μm to 300 μm, but with the aluminum/stainless steel clad material of the present invention, it is 40 μm to 70 μm, and the processing cost is lower than that of plasma spraying. The cost was about 1/2 to 1/4, and it was possible to realize a significant cost reduction of the electric double layer capacitor.
第１図は本発明の１実施例である、アルミニウム／ステ
ンレス クラッド祠の断面図である。第２図は本発明の
他の実施例である、アルミニウム／ステンレス／ニッケ
ル クラζラド材の断面図である。
１ニアルミニウム層、
２ニステンレス層、
３：ニッケル層。FIG. 1 is a sectional view of an aluminum/stainless steel clad shrine, which is an embodiment of the present invention. FIG. 2 is a cross-sectional view of an aluminum/stainless steel/nickel clad ζrad material, which is another embodiment of the present invention. 1: aluminum layer, 2: stainless steel layer, 3: nickel layer.
Claims (3)
ーステナイト系ステンレス鋼からなるベース材にオーバ
ーレイ状にクラッドしたことを特徴とするアルミニウム
／ステンレス クラッド材。(1) An aluminum/stainless clad material characterized by cladding high-purity aluminum with a purity of 99.99% or more on a base material made of austenitic stainless steel in an overlay form.
３０％であることを特徴とする特許請求の範囲第１項記
載のアルミニウム／ステンレスクラッド材。(2) The plate thickness ratio of high-purity aluminum is 13% of the total
The aluminum/stainless steel cladding material according to claim 1, characterized in that the aluminum/stainless steel cladding material has a carbon content of 30%.
ーステナイト系ステレンス鋼からなるベース材に冷間圧
延圧接法を用いて長さ方向に沿って連続的にオーバーレ
イ状にクラッドすることを特徴とするアルミニウム／ス
テンレスクラッド材の製造法。(3) High-purity aluminum with a purity of 99.99% or more is continuously clad in an overlay shape along the length of the base material made of austenitic stainless steel using a cold rolling welding method. Manufacturing method for aluminum/stainless steel clad materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61198467A JPS6356372A (en) | 1986-08-25 | 1986-08-25 | Aluminum/stainless steel clad material and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61198467A JPS6356372A (en) | 1986-08-25 | 1986-08-25 | Aluminum/stainless steel clad material and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6356372A true JPS6356372A (en) | 1988-03-10 |
Family
ID=16391590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61198467A Pending JPS6356372A (en) | 1986-08-25 | 1986-08-25 | Aluminum/stainless steel clad material and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6356372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000312979A (en) * | 1999-04-30 | 2000-11-14 | Sumitomo Special Metals Co Ltd | Aluminum/stainless steel clad material, and its manufacturing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58141882A (en) * | 1982-02-18 | 1983-08-23 | Tohoku Metal Ind Ltd | Production of aluminum clad metallic plate |
| JPS61150317A (en) * | 1984-12-25 | 1986-07-09 | 松下電器産業株式会社 | Electrical double layer capacitor |
-
1986
- 1986-08-25 JP JP61198467A patent/JPS6356372A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58141882A (en) * | 1982-02-18 | 1983-08-23 | Tohoku Metal Ind Ltd | Production of aluminum clad metallic plate |
| JPS61150317A (en) * | 1984-12-25 | 1986-07-09 | 松下電器産業株式会社 | Electrical double layer capacitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000312979A (en) * | 1999-04-30 | 2000-11-14 | Sumitomo Special Metals Co Ltd | Aluminum/stainless steel clad material, and its manufacturing method |
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