JPH0373985B2 - - Google Patents
Info
- Publication number
- JPH0373985B2 JPH0373985B2 JP57199976A JP19997682A JPH0373985B2 JP H0373985 B2 JPH0373985 B2 JP H0373985B2 JP 57199976 A JP57199976 A JP 57199976A JP 19997682 A JP19997682 A JP 19997682A JP H0373985 B2 JPH0373985 B2 JP H0373985B2
- Authority
- JP
- Japan
- Prior art keywords
- lead
- alloy
- strap
- acid battery
- ears
- 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 - Lifetime
Links
- 239000002253 acid Substances 0.000 claims description 14
- 210000005069 ears Anatomy 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 229910001245 Sb alloy Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002140 antimony alloy Substances 0.000 claims 1
- 239000002142 lead-calcium alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 239000011575 calcium Substances 0.000 description 4
- 229910000978 Pb alloy Inorganic materials 0.000 description 3
- 229910001128 Sn alloy Inorganic materials 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000882 Ca alloy Inorganic materials 0.000 description 1
- 229910020220 Pb—Sn Inorganic materials 0.000 description 1
- 229910001278 Sr alloy Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
-
- 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
Description
本発明は鉛蓄電池のストラツプの耐食性の改善
と向上、ひいては鉛蓄電池の寿命性能の向上に関
するもので、とくに長寿命のアンチモンを含まな
い合金格子を用いた鉛蓄電池を提供するものであ
る。
近年、自己放電が少なく通常の使用においては
補水の必要がない鉛蓄電池（以下、MF電池と呼
ぶ）が製品化されてきた。このようなMF電池の
格子合金には一般にアンチモン（Sb）を含まな
い合金、たとえば鉛（Pb）−カルシウム（Ca）合
金、Pb−Ca−錫（Sn）合金、Pb−ストロンチウ
ム（Sr）−Sn合金などが用いられている。
これらの合金格子を用いた鉛蓄電池のストラツ
プを形成する際の足鉛にはPb−Sn合金のような
Sbを含まない鉛合金あるいはPb−Sb系合金が使
われている。前者は機械的強度が劣ることおよび
高価であることから、後者が多く用いられてい
る。この場合は異種合金による溶接で、かつCa
が非常に酸化されやすいことなどから、時として
ストラツプが腐食され早期に寿命となる鉛蓄電池
が見受けられる。
本発明はこのような欠点を除去し、耐食性のす
ぐれたストラツプ、ひいては寿命性能の良好な鉛
蓄電池を提供するものである。その要旨とすると
ころは、腐食されたストラツプを調査したとこ
ろ、SbとCaとの金属間化合物SbxCayが多量に
形成され、それらが腐食されていたことから、金
属間化合物の形成を抑制することにある。その方
法としては実験の結果から、ストラツプに占める
溶接前の格子耳部の体積V1とストラツプ全体積
V2との比V1／V2を0.75以下にするのがよいこと
がわかつた。以下に実験例でもつて詳細に説明す
る。
Pb−0.1％（以下％はすべて重量％）Ca−0.7％
Sn合金格子極板を用いた35Ahの自動車用鉛蓄電
池において、足鉛合金にはPb−３％Sb合金を用
い、溶接前の格子耳部体積V1とストラツプ全体
積V2との比V1／V2が0.25，0.5，0.75，0.85とな
るように格子耳部の長さを調節したものをバーナ
で溶接した。これらの電池を１年間実車試験を行
なつた後解体し、ストラツプの状態を顕微鏡で調
査した。その結果を表１に示す。
The present invention relates to improving and improving the corrosion resistance of lead-acid battery straps, and thus to improving the life performance of lead-acid batteries, and in particular, to provide a lead-acid battery using an antimony-free alloy grid with a long life. In recent years, lead-acid batteries (hereinafter referred to as MF batteries) have been commercialized that have low self-discharge and do not require water replenishment during normal use. The lattice alloy of such MF batteries generally does not contain antimony (Sb), such as lead (Pb)-calcium (Ca) alloy, Pb-Ca-tin (Sn) alloy, Pb-strontium (Sr)-Sn alloy. Alloys are used. When forming the straps of lead-acid batteries using these alloy grids, the foot lead is made of a Pb-Sn alloy.
A lead alloy that does not contain Sb or a Pb-Sb alloy is used. Since the former has poor mechanical strength and is expensive, the latter is often used. In this case, welding with dissimilar alloys and Ca
Because lead-acid batteries are highly susceptible to oxidation, sometimes the straps of lead-acid batteries corrode and end their lifespan prematurely. The present invention eliminates these drawbacks and provides a strap with excellent corrosion resistance and, in turn, a lead-acid battery with good longevity. The gist of the study was that when the corroded strap was investigated, a large amount of SbxCay, an intermetallic compound of Sb and Ca, was formed and corroded, so it was decided to suppress the formation of intermetallic compounds. be. The method is to calculate the volume of the grid ears before welding, V 1 , and the total area of the strap, based on the experimental results.
It has been found that it is better to keep the ratio V 1 / V 2 to V 2 at 0.75 or less. A detailed explanation will be given below using experimental examples. Pb-0.1% (all percentages below are weight%) Ca-0.7%
In a 35Ah automotive lead-acid battery using a Sn alloy lattice plate, a Pb-3% Sb alloy is used for the leg lead alloy, and the ratio of the lattice ear volume V 1 before welding to the total strap volume V 2 is V 1 The lengths of the grid ears were adjusted so that /V 2 was 0.25, 0.5, 0.75, and 0.85, and welded with a burner. After testing these batteries for one year, they were disassembled and the condition of the straps was examined using a microscope. The results are shown in Table 1.
【表】
次に他の実験例を示す。
Pb−0.07％Ca−0.5％Sn合金格子極板を用いた
35Ahの自動車用鉛蓄電池で、足鉛合金にはPb−
３％Sb−0.1％As合金を用い、V1／V2が0.25，
0.5，0.7，0.75，0.8となるように格子耳部の長さ
および厚さを調節したものをキヤスト・オン・ス
トラツプ方式でストラツプを形成した。これらの
電池を１年間実車試験を行なつた後解体し、スト
ラツプの状態を顕微鏡で調査した。その結果を表
２に示す。[Table] Next, other experimental examples are shown. Using Pb-0.07%Ca-0.5%Sn alloy lattice plate
A 35Ah automotive lead-acid battery, the leg lead alloy contains Pb-
Using 3%Sb-0.1%As alloy, V 1 /V 2 is 0.25,
The length and thickness of the grid ears were adjusted to 0.5, 0.7, 0.75, and 0.8, and straps were formed using the cast-on-strap method. After testing these batteries for one year, they were disassembled and the condition of the straps was examined using a microscope. The results are shown in Table 2.
【表】【table】
【表】
以上２つの実験例よりV1／V2が0.8以上ではス
トラツプの腐食が大きくなり早期に電池が寿命に
なるのに対して、0.75では腐食は少し認められた
が実用上問題ない程度であり、0.7以下になると
全く腐食が認められず良好で、ストラツプの足鉛
にPb−Sb系合金を使用しても問題ないことがわ
かる。
Pb−Sr系合金格子を用いた電池においてもス
トラツプの溶接に対して同様の実験を行なつたと
ころ、足鉛にPb−Sb系合金を使用するにあたつ
て「V1／V2≦0.75」が適用できることがわかつ
た。
以上詳述した如く、本発明製造法による電池は
ストラツプに占める溶接前の格子耳部の体積V1
とストラツプ全体積V2との比V1／V2を0.75以下
にすることにより、Pb−Ca系合金格子を用いた
鉛蓄電池のストラツプの耐食性を改善・向上さ
せ、ひいては鉛蓄電池の寿命性能を向上させるも
のであり、その工業的価値は大きい。[Table] From the above two experimental examples, when V 1 / V 2 is 0.8 or more, the corrosion of the strap becomes large and the battery life ends prematurely, whereas when 0.75, a little corrosion was observed, but it was not a practical problem. When the value is 0.7 or less, no corrosion is observed and it is good, indicating that there is no problem even if Pb-Sb alloy is used for the lead of the strap leg. A similar experiment was conducted for strap welding in a battery using a Pb-Sr alloy lattice, and it was found that when using a Pb-Sb alloy for the leg lead, "V 1 /V 2 ≦0.75 ” was found to be applicable. As detailed above, in the battery produced by the manufacturing method of the present invention, the volume of the grid ears before welding in the strap is V 1
By reducing the ratio V 1 /V 2 of the strap to the total strap volume V 2 to 0.75 or less, the corrosion resistance of the strap of a lead-acid battery using a Pb-Ca alloy lattice can be improved and the life performance of the lead-acid battery can be improved. It has great industrial value.
Claims (1)
と、鉛−アンチモン系合金の足鉛とで、溶接によ
りストラツプを形成する鉛蓄電池の製造法であつ
て、 ストラツプ部に占める溶接前の格子耳部の体積
V1と、形成すべきストラツプ全体積V2との比、
V1／V2が0.75以下となるように格子耳部を配置
し、 ついで、格子耳部と足鉛とで溶接によりストラ
ツプを形成する 鉛蓄電池の製造法。[Scope of Claims] 1. A method for manufacturing a lead-acid battery in which a strap is formed by welding the lattice ears of a lead-calcium alloy lattice plate and lead legs of a lead-antimony alloy, which method comprises: The volume of the grid ears before welding
The ratio of V 1 to the total volume of the strap to be formed V 2 ,
A method for producing a lead-acid battery, in which the grid ears are arranged so that V 1 /V 2 is 0.75 or less, and then the grid ears and the lead legs are welded to form a strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57199976A JPS5990354A (en) | 1982-11-15 | 1982-11-15 | Lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57199976A JPS5990354A (en) | 1982-11-15 | 1982-11-15 | Lead-acid battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5990354A JPS5990354A (en) | 1984-05-24 |
| JPH0373985B2 true JPH0373985B2 (en) | 1991-11-25 |
Family
ID=16416712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57199976A Granted JPS5990354A (en) | 1982-11-15 | 1982-11-15 | Lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5990354A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH088093B2 (en) * | 1987-03-18 | 1996-01-29 | 株式会社ユアサコーポレーション | Lead acid battery |
| JP2532118B2 (en) * | 1987-12-24 | 1996-09-11 | 新神戸電機株式会社 | Welding method for electrode plates for lead-acid batteries |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57141864A (en) * | 1981-02-26 | 1982-09-02 | Yuasa Battery Co Ltd | Lead battery |
| JPS58157065A (en) * | 1982-03-12 | 1983-09-19 | Shin Kobe Electric Mach Co Ltd | Welding of electrode plates for lead storage battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49102914U (en) * | 1972-12-25 | 1974-09-04 |
-
1982
- 1982-11-15 JP JP57199976A patent/JPS5990354A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57141864A (en) * | 1981-02-26 | 1982-09-02 | Yuasa Battery Co Ltd | Lead battery |
| JPS58157065A (en) * | 1982-03-12 | 1983-09-19 | Shin Kobe Electric Mach Co Ltd | Welding of electrode plates for lead storage battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5990354A (en) | 1984-05-24 |
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