JPH02256158A - Welding method for lead tab material or lead tab of nonaqueous battery - Google Patents
Welding method for lead tab material or lead tab of nonaqueous batteryInfo
- Publication number
- JPH02256158A JPH02256158A JP1074951A JP7495189A JPH02256158A JP H02256158 A JPH02256158 A JP H02256158A JP 1074951 A JP1074951 A JP 1074951A JP 7495189 A JP7495189 A JP 7495189A JP H02256158 A JPH02256158 A JP H02256158A
- Authority
- JP
- Japan
- Prior art keywords
- lead tab
- alloy
- welding
- copper
- aluminum
- 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 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000010936 titanium Substances 0.000 claims abstract description 13
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 7
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 239000011651 chromium Substances 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 11
- 238000009864 tensile test Methods 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- IZJSTXINDUKPRP-UHFFFAOYSA-N aluminum lead Chemical compound [Al].[Pb] IZJSTXINDUKPRP-UHFFFAOYSA-N 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は非水系電池における銅、アルミニウム材からな
るリードタブまたはその缶体もしくは、端子への溶接方
法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for welding a lead tab made of copper or aluminum to a can or a terminal in a non-aqueous battery.
〈従来の技術とその問題点〉
非水系電池のリードタブ材は電解液に対する化学的、電
気化学的安定性が要求され、これまでは主としてニッケ
ル、ステンレス、鉄等の金属が用いられてきた。一方当
然のことながら該リードタブ材としては電気抵抗が小さ
いことが要求される。<Prior art and its problems> Lead tab materials for nonaqueous batteries are required to have chemical and electrochemical stability against electrolytes, and so far metals such as nickel, stainless steel, and iron have been mainly used. On the other hand, it goes without saying that the lead tab material is required to have low electrical resistance.
かかる観点から銅、アルミニウム等の金属もしくは各々
の合金系材料は電気抵抗が小さく好ましい材料である。From this point of view, metals such as copper and aluminum or their alloys are preferable materials because of their low electrical resistance.
しかしながら、銅、アルミニウム等は通常缶体もしくは
端子に用いられている鉄、ステンレス等との金属材料と
の溶接が困難であり、溶接強度不足、溶接不良等の問題
点があった。However, it is difficult to weld copper, aluminum, etc. with metal materials such as iron, stainless steel, etc. that are normally used for can bodies or terminals, and there are problems such as insufficient welding strength and poor welding.
本発明はこのような従来の問題点を一掃することを目的
としてなされたものである。The present invention has been made with the aim of eliminating such conventional problems.
く課題を解決するための手段〉
本発明によれば
（１）銅、銅合金、アルミニウムまたはアルミニウム合
金からなるリードタブと缶体または端子とが溶接されて
なり、両者の溶接面の少（とも−部に、ニッケル、クロ
ム、鉄、チタンの群から選ばれた少くとも一種の金属層
または、これらの群から選ばれた少くとも一種を主成分
とする合金層が介在してなることを特徴とする非水系電
池
（２）非水系電池に用いる銅、銅合金、アルミニウムま
たはアルミニウム合金からなるリードタブ材であって、
該リードタブ材の表面に、ニッケル、クロム、鉄、チタ
ンの群から選ばれた少くとも一種、またはこれらの群か
ら選ばれた少くとも一種を主成分とする合金からなる薄
層（好ましくは１０μｍ以下の層）を有することを特徴
とするリードタブ材（およびこれを用いた溶接方法）
（３）非水系電池に用いる銅、銅合金、アルミニウムま
たはアルミニウム合金からなるリードタブと缶体または
端子とを溶接するに際し、両者の間にニッケル、クロム
、鉄、チタンの群から選ばれた少くとも一種の金属箔ま
たは、これらの群から選ばれた少くとも一種を主成分と
する合金箔を介在させたのち、両者を溶接することを特
徴とするリードタブの溶接方法
が提供される。Means for Solving the Problems> According to the present invention, (1) a lead tab made of copper, copper alloy, aluminum, or aluminum alloy is welded to a can body or a terminal; characterized in that at least one metal layer selected from the group of nickel, chromium, iron, and titanium or an alloy layer containing at least one selected from these groups as a main component is interposed in the part. (2) A lead tab material made of copper, copper alloy, aluminum or aluminum alloy for use in non-aqueous batteries,
A thin layer (preferably 10 μm or less) of at least one selected from the group of nickel, chromium, iron, and titanium, or an alloy containing at least one selected from these groups as a main component, is applied to the surface of the lead tab material. (3) Welding a lead tab made of copper, copper alloy, aluminum or aluminum alloy used in a non-aqueous battery to a can body or a terminal. At this time, at least one metal foil selected from the group of nickel, chromium, iron, and titanium or an alloy foil containing at least one selected from these groups as a main component is interposed between the two, and then A method for welding lead tabs is provided, which comprises welding both.
以下、本発明について詳しく述べる。The present invention will be described in detail below.
請求項１は、例えば請求項２、または３の発明の実施の
結果帯られる、リードタブと缶体または端子とが溶接さ
れた非水系電池であり、溶接面が、ニッケル、クロム、
鉄またはチタン層の少くとも一種あるいはこれらの少く
とも一種を含む合金層の介在によって、溶接強度が強化
された非水系電池を提供する。Claim 1 is a nonaqueous battery in which a lead tab and a can body or a terminal are welded, which is obtained as a result of implementing the invention of claim 2 or 3, and the welding surface is made of nickel, chromium,
Provided is a non-aqueous battery with enhanced welding strength due to the interposition of at least one of iron or titanium layers, or an alloy layer containing at least one of these.
つぎに、請求項２について説明する。Next, claim 2 will be explained.
非水系電池のリードタブとして銅系金属、アルミニウム
系金属を用いた場合には、缶体、端子との溶接強度が著
しく小さいという欠点があった。When copper-based metals or aluminum-based metals are used as lead tabs for non-aqueous batteries, there is a drawback in that the welding strength between the lead tabs and the can and the terminals is extremely low.
本発明者らは、かかるリードタブの表面にニッケル、ク
ロム、鉄、チタンもしくはこれらの少くとも一種を主成
分とする合金の薄層を設けることにより著しく溶接強度
が向上することを見出した。The present inventors have found that welding strength can be significantly improved by providing a thin layer of nickel, chromium, iron, titanium, or an alloy containing at least one of these as a main component on the surface of such a lead tab.
該リードタブの表面にがかる薄層を設ける方法としては
特に限定されないが、電気メツキ、無電解メツキ、蒸着
、スパッタリング等の方法を採用することができる。該
薄層の厚みは本発明の目的を達成する範囲においてとく
に限定されないが、通常１０μｍ以下が好ましい。より
好ましくは０６１８ｍ〜５μｍの範囲である。１０μｍ
を越す場合には本発明の効果がそれ以上向上しないと共
に経済的にも不利となる傾向がある。また０、０１μｍ
未満では溶接強度がやや充分でなくなる傾向が出る。The method for forming the thin layer on the surface of the lead tab is not particularly limited, but methods such as electroplating, electroless plating, vapor deposition, and sputtering can be employed. The thickness of the thin layer is not particularly limited as long as the object of the present invention is achieved, but it is usually preferably 10 μm or less. More preferably, it is in the range of 0618 m to 5 μm. 10μm
If it exceeds this, the effects of the present invention will not improve any further and there will be a tendency to be economically disadvantageous. Also 0.01μm
If it is less than that, the welding strength tends to be somewhat insufficient.
本発明のリードタブ材を用いて、本発明の目的を達成す
るための溶接方法としては、通常の公知の方法を用いれ
ば足り、特に限定するものではないが、例えば抵抗溶接
、レーザー溶接、超音波溶接等の方法を挙げることがで
きる。As a welding method for achieving the object of the present invention using the lead tab material of the present invention, it is sufficient to use a normal known method, and there are no particular limitations on the welding method, such as resistance welding, laser welding, ultrasonic welding, etc. Examples include methods such as welding.
つぎに、請求項３について説明する。Next, claim 3 will be explained.
中間層に用いる金属箔の厚みは２００μｍ以下が好まし
い。より好ましくは１５０〜０．５μｍである。The thickness of the metal foil used for the intermediate layer is preferably 200 μm or less. More preferably, it is 150 to 0.5 μm.
０．５μｍ未満でも効果がある。ただし、現在商業的に
は０．５μｍ未満の金属箔は製造が困難と思われる。２
００μｍを超える場合は電池内容積を減少することとな
り実用的には好ましくない。Even if it is less than 0.5 μm, it is effective. However, it is currently considered difficult to manufacture metal foils with a thickness of less than 0.5 μm commercially. 2
If it exceeds 00 μm, the internal volume of the battery will be reduced, which is not preferred in practice.
本発明によれば極めて安定した溶接強度が得られる。溶
接方法としては通常公知の方法を用いれば足り、特に限
定するものではないが、例えば抵抗溶接、レーザー溶接
、超音波溶接等が好ましい溶接方法として挙げられる。According to the present invention, extremely stable welding strength can be obtained. As the welding method, it is sufficient to use a commonly known method, and there is no particular limitation, but preferred welding methods include, for example, resistance welding, laser welding, ultrasonic welding, and the like.
本発明による溶接力法を実施するに際し、前記ニッケル
、鉄、クロム、チタンまたはこれらの合金等の箔材をリ
ードタブと缶体もしくは端子との間に単に挿入介在せし
めた後溶接しても良いし、予めリードタブ材に機械的に
圧着しておいても良い。信性として、該ニッケル、鉄、
クロム、チタンまたはこれらの合金からなる箔材をリー
ドタブ又は缶体、端子と予備溶接しておいた後、本溶接
しても良い。When carrying out the welding force method according to the present invention, a foil material such as nickel, iron, chromium, titanium, or an alloy thereof may be simply inserted between the lead tab and the can body or terminal, and then welded. Alternatively, it may be mechanically crimped onto the lead tab material in advance. As for reliability, the nickel, iron,
The foil material made of chromium, titanium, or an alloy thereof may be preliminarily welded to the lead tab, can body, or terminal, and then the main welding may be performed.
第１図は本発明の、この方法により溶接された電池の構
成図を示すものである。FIG. 1 shows a block diagram of a battery welded by this method of the present invention.
１はリードタブ、２はニッケル、鉄、クロム、チタンま
たは各々の合金からなる中間層、３はニッケルメッキス
チールからなる缶体、４は電極コイルを示す。1 is a lead tab; 2 is an intermediate layer made of nickel, iron, chromium, titanium, or an alloy thereof; 3 is a can body made of nickel-plated steel; and 4 is an electrode coil.
〈実施例〉 以下に本発明を実施例により詳細に説明する。<Example> The present invention will be explained in detail below using examples.
実施例１
厚み１００μｍ、幅６ ｍｍのＣｕリードタブ材に、厚
み５μｍのＮｉメツキを施したタブ材を厚み０．３ｍｍ
のステンレス缶に２点スポット抵抗溶接し、リドタブの
引張り試験を実施した。Example 1 A Cu lead tab material with a thickness of 100 μm and a width of 6 mm was plated with Ni to a thickness of 5 μm to a thickness of 0.3 mm.
Two-point resistance welding was performed on a stainless steel can, and a tensile test was conducted on the lid tab.
その結果を表１に示す。The results are shown in Table 1.
溶接強度の測定法は、通常の引張り試験期により溶接部
分が破断するまでの強度を測定した。The welding strength was measured by measuring the strength until the welded part broke during a normal tensile test period.
比較例１
実施例１のリードタブ材にＮｉメツキを施さないこと以
外同様にして、溶接し、リードタブの引張り試験を実施
した。その結果を同じく表１に示す。Comparative Example 1 Welding was performed in the same manner as in Example 1 except that Ni plating was not applied to the lead tab material, and a tensile test of the lead tab was conducted. The results are also shown in Table 1.
表 １
実施例２
厚み７５μｍ、幅６胴のアルミニウムリードタブ材に厚
み０．１μｍのニッケルを蒸着したタブ材を厚み０．３
ｍｍのステンレス缶に２点スポット抵抗溶接し、リード
タブの引張り試験を実施した。その結果を表２に示す。Table 1 Example 2 A tab material having a thickness of 0.1 μm and nickel vapor-deposited on an aluminum lead tab material having a thickness of 75 μm and a width of 6 was made to a thickness of 0.3 μm.
The lead tab was subjected to two-point resistance welding to a stainless steel can of mm in diameter, and a tensile test was conducted on the lead tab. The results are shown in Table 2.
比較例２
実施例２のリードタブ材にニッケル蒸着を施さないこと
以外、同様にして溶接し、リードタブの引張り試験を実
施した。結果を同じく表２に示す。Comparative Example 2 Welding was performed in the same manner as in Example 2 except that nickel vapor deposition was not performed on the lead tab material, and a tensile test of the lead tab was conducted. The results are also shown in Table 2.
実施例３
実施例１のリードタブ材にＮｉメツキの代わりに０．０
１μｍの厚みにＮｉを蒸着した物を用いた以外は同様の
操作を行った。Example 3 0.0 was added instead of Ni plating to the lead tab material of Example 1.
The same operation was performed except that Ni was deposited to a thickness of 1 μm.
この方法での溶接強度は２．８ｋｇ−ｆ ／ ６ ｍｍ
であった。The welding strength with this method is 2.8 kg-f / 6 mm
Met.
表 ２
実施例４
負極リードタブの厚み５０μｔｎ 、幅４ ｍｍの銅箔
と電池ケースである０ 、 ３ ｍ＋ｎ 厚みのニッケ
ルメッキ鉄缶との間に第１図の如く１００μｍニッケル
箔片を介して２．５抵抗スポツト溶接した。その引張り
試験の結果を表３に示す。Table 2 Example 4 As shown in Fig. 1, a 100 μm nickel foil piece was inserted between the copper foil of the negative electrode lead tab with a thickness of 50 μtn and the width of 4 mm and the battery case, a nickel-plated iron can with a thickness of 0.3 m+n. 5 resistance spot welded. Table 3 shows the results of the tensile test.
実施例５
正極リードタブの５０μｍ厚み、幅４ｍｍのアルミ箔に
、１５０μｍ厚みのステンレス箔片を二つ折りにしてカ
シメた後、電池蓋である０ 、 ５ ｍｍ厚みのニッケ
ルメッキ鉄製蓋に、２点抵抗スポット溶接した。その引
張り試験の結果を表３に示す。Example 5 A piece of 150 μm thick stainless steel foil was folded in half and crimped on the 50 μm thick and 4 mm wide aluminum foil of the positive electrode lead tab, and then a two-point resistor was attached to the battery lid, which is a 0.5 mm thick nickel-plated iron lid. Spot welded. Table 3 shows the results of the tensile test.
実施例６
負極リードタブの３５μｍ厚みの銅箔に、１００μｍ厚
みのニッケル箔片を二つ折りにしてカシメた後、電池ケ
ースである０、２５ｍｍ厚みのステンレス缶に、２点抵
抗スポット溶接した。その引張り試験の結果を表３に示
す。Example 6 A piece of 100 μm thick nickel foil was folded in half and caulked onto the 35 μm thick copper foil of the negative electrode lead tab, and then two-point resistance spot welded to a 0.25 mm thick stainless steel can serving as a battery case. Table 3 shows the results of the tensile test.
比較例３．４
３５μｍ厚み、４ｍｍ幅の銅箔リードタブを直接、０．
２５ｍｍ厚みのステンレス缶に２点抵抗スポット溶接し
たサンプル及び、１００ ｐｍ厚み、４ ｍｍ幅のアル
ミ箔す−ドタブを直接０ 、５ ＋＋ｎｎ厚みのステン
レス蓋に２点抵抗スポット溶接したサンプルを作成し、
それぞれ、引張り試験を実施した。その結果を表３に示
す。Comparative Example 3.4 A copper foil lead tab with a thickness of 35 μm and a width of 4 mm was directly coated with a 0.
A sample was made by two-point resistance spot welding to a 25 mm thick stainless steel can, and a sample was made by two-point resistance spot welding a 100 pm thick, 4 mm wide aluminum foil tab directly to a 0,5 ++ nn thick stainless steel lid.
A tensile test was conducted for each. The results are shown in Table 3.
表 ３
実施例７
実施例４において、２０μｍのニッケル箔片を用いた以
外は全（同じ操作を行った。この時の溶接強度は２．０
ｋｇ−ｆ ／ ４ ｍｍであった。Table 3 Example 7 The same operation as in Example 4 was performed except that a 20 μm nickel foil piece was used.The welding strength at this time was 2.0
kg-f/4 mm.
実施例８
実施例４において５μｍのニッケル箔片を用いた以外は
全く同じ操作を行った。この時の溶接強度は１．８ｋｇ
−ｆ ／ ４ ＩＴｎであった。Example 8 The same procedure as in Example 4 was performed except that a 5 μm nickel foil piece was used. The welding strength at this time is 1.8kg
-f/4 ITn.
〈発明の効果〉
本発明によれば、抵抗溶接、レーザー溶接、超音波溶接
等の通常の溶接により銅、アルミニウムまたはそれらの
合金を用いたリードタブ材を容易に溶接することが可能
となり、内部抵抗の小さい非水系電池を供し得る。<Effects of the Invention> According to the present invention, lead tab materials made of copper, aluminum, or alloys thereof can be easily welded by ordinary welding such as resistance welding, laser welding, and ultrasonic welding, and internal resistance It can provide a small non-aqueous battery.
第１図は本発明の方法により溶接された電池の構成図の
一例を示すものである。
■はリードタブ、２はニッケル、鉄、クロム、チタン又
は各々の合金からなる中間層、３はニッケルメッキスチ
ールからなる缶体、４は電極コイルを示す。
特許出願人 旭化成工業株式会社FIG. 1 shows an example of a configuration diagram of a battery welded by the method of the present invention. 2 is a lead tab; 2 is an intermediate layer made of nickel, iron, chromium, titanium, or an alloy thereof; 3 is a can body made of nickel-plated steel; and 4 is an electrode coil. Patent applicant: Asahi Kasei Industries, Ltd.
Claims (3)
金からなるリードタブと缶体または端子とが溶接されて
なり、両者の溶接面の少くとも一部に、ニッケル、クロ
ム、鉄、チタンの群から選ばれた少くとも一種の金属層
、または、これらの群から選ばれた少くとも一種を主成
分とする合金層が介在してなることを特徴とする非水系
電池(1) A lead tab made of copper, copper alloy, aluminum, or aluminum alloy is welded to a can body or terminal, and at least a part of the welded surface of the two is made of nickel, chromium, iron, or titanium. A non-aqueous battery comprising at least one metal layer or an alloy layer containing at least one metal layer selected from these groups as a main component.
またはアルミニウム合金からなるリードタブ材であって
、該リードタブ材の表面に、ニッケル、クロム、鉄、チ
タン、の群から選ばれた少くとも一種、またはこれらの
群から選ばれた少くとも一種を主成分とする合金からな
る薄層を有することを特徴とするリードタブ材(2) Copper, copper alloy, aluminum used in non-aqueous batteries,
Or a lead tab material made of an aluminum alloy, wherein the surface of the lead tab material contains at least one selected from the group of nickel, chromium, iron, and titanium, or at least one selected from these groups as a main component. A lead tab material characterized by having a thin layer made of an alloy of
たはアルミニウム合金からなるリードタブと缶体または
端子とを溶接するに際し、両者の間に、ニッケル、クロ
ム、鉄、チタンの群から選ばれた少くとも一種の金属箔
または、これらの群から選ばれた少くとも一種を主成分
とする合金箔を介在させたのち両者を溶接することを特
徴とするリードタブの溶接方法(3) When welding lead tabs made of copper, copper alloy, aluminum, or aluminum alloy used in non-aqueous batteries to can bodies or terminals, a small amount of metal selected from the group of nickel, chromium, iron, and titanium is used between the two. A lead tab welding method characterized by interposing a metal foil or an alloy foil containing at least one selected from these groups as a main component and then welding the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1074951A JP2801922B2 (en) | 1989-03-29 | 1989-03-29 | Non-aqueous battery and method for welding lead tab thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1074951A JP2801922B2 (en) | 1989-03-29 | 1989-03-29 | Non-aqueous battery and method for welding lead tab thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02256158A true JPH02256158A (en) | 1990-10-16 |
| JP2801922B2 JP2801922B2 (en) | 1998-09-21 |
Family
ID=13562144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1074951A Expired - Lifetime JP2801922B2 (en) | 1989-03-29 | 1989-03-29 | Non-aqueous battery and method for welding lead tab thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2801922B2 (en) |
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| JP2006032072A (en) * | 2004-07-15 | 2006-02-02 | Shin Kobe Electric Mach Co Ltd | Method for welding metal member |
| US6995332B2 (en) | 1999-09-02 | 2006-02-07 | Murata Manufacturing Co., Ltd. | Resistance welding method and structure of resistance welding part, and method for manufacturing electronic component and electronic component |
| JP2007179816A (en) * | 2005-12-27 | 2007-07-12 | M & G Eco Battery:Kk | Connection structure between unit batteries |
| JP2008503859A (en) * | 2004-06-25 | 2008-02-07 | レオニ アクチエンゲゼルシャフト | Electrical contact bonding and method for forming such contact bonding |
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| JP2006032072A (en) * | 2004-07-15 | 2006-02-02 | Shin Kobe Electric Mach Co Ltd | Method for welding metal member |
| US8283066B2 (en) | 2005-01-28 | 2012-10-09 | Eveready Battery Company, Inc. | Electrochemical cell with improved internal contact |
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| Publication number | Publication date |
|---|---|
| JP2801922B2 (en) | 1998-09-21 |
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