JP2000251899A - Lead-acid battery - Google Patents

Lead-acid battery

Info

Publication number
JP2000251899A
JP2000251899A JP11048014A JP4801499A JP2000251899A JP 2000251899 A JP2000251899 A JP 2000251899A JP 11048014 A JP11048014 A JP 11048014A JP 4801499 A JP4801499 A JP 4801499A JP 2000251899 A JP2000251899 A JP 2000251899A
Authority
JP
Japan
Prior art keywords
alloy
negative electrode
foot
battery
based alloy
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
Application number
JP11048014A
Other languages
Japanese (ja)
Inventor
Naohiro Otake
直浩 大竹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Battery Co Ltd
Original Assignee
Furukawa Battery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Furukawa Battery Co Ltd filed Critical Furukawa Battery Co Ltd
Priority to JP11048014A priority Critical patent/JP2000251899A/en
Publication of JP2000251899A publication Critical patent/JP2000251899A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Cell Electrode Carriers And Collectors (AREA)
  • Secondary Cells (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent the stratification of an electrolyte and to improve the service life performance of a battery by applying a lead alloy containing at least Sb to the lower end part of a negative electrode grid board formed of a Pb-Ca-based alloy. SOLUTION: A Pb-Sb-based alloy is fused and kept at 350-400 deg.C. An application film 3 is formed by dipping each foot part 2 of a negative electrode grid board 1 cast by using a Pb-Ca-based alloy in the fused alloy for 5 sec. For instance, a Pb-Sb-Sn-As-Se (3.0% Sb-0.2% Sn-0.3% As-0.01% Se-remainder of Pb) alloy is used as the Pb-Sb-based alloy. The application area of the application film to the total area of the foot parts 2 is set to be in the range of 70-95% of the total area of the outside surfaces of the foot parts 2. After the application film 3 is formed, a negative electrode plate is completed by filling the grid board 1 with paste. The hydrogen overvoltage in the application part of the application film 3 is lowered, the gas generated amount from the foot parts 2 is increased, and an electrolyte becomes thereby thoroughly stirred, so that the stratification of the electrolyte is prevented and the service life performance of a battery is improved.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、自動車等に搭載
して用いられる鉛蓄電池に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lead-acid battery mounted on an automobile or the like.

【0002】[0002]

【従来の技術】自動車用の鉛蓄電池においては、電解液
の点検保守の煩雑さからメンテナンスフリー化の要望が
高まっており、このような流れのなかでその要望に応え
るメンテナンスフリー電池として、正極の格子基板にP
b−Sb系合金を、負極の格子基板にPb−Ca系合金
を用いたハイブリット電池や、正極の格子基板にPb−
Ca系合金を、負極の格子基板にPb−Ca系合金を用
いたカルシウム電池が提供され、現在ではカルシウム電
池が主流となっている。
2. Description of the Related Art In lead-acid batteries for automobiles, there has been a growing demand for maintenance-free batteries due to the complexity of inspection and maintenance of electrolytes. P on grid substrate
A hybrid battery using a b-Sb-based alloy and a Pb-Ca-based alloy for the negative grid substrate, and a Pb-
A calcium battery using a Ca-based alloy and a Pb-Ca-based alloy for a grid substrate of a negative electrode is provided, and the calcium battery is currently the mainstream.

【0003】[0003]

【発明が解決しようとする課題】ところが、このような
メンテナンスフリー電池においては、負極の格子基板に
Pb−Ca系合金を用いているため、水素過電圧が大き
くなり、定電圧充電の場合に充電中に充電電流値が小さ
くなってガスの発生量が減少する。この結果、電池内部
の電解液が充分に撹拌されず成層化が起き、電解液拡散
のよい低濃度部での充・放電反応が活発となり、極板が
偏って使用され、電池の寿命性能の低下を招くという問
題がある。
However, in such a maintenance-free battery, since a Pb-Ca-based alloy is used for the grid substrate of the negative electrode, the hydrogen overvoltage increases, and the battery is charged during constant-voltage charging. Then, the charging current value becomes small, and the amount of generated gas decreases. As a result, the electrolyte inside the battery is not sufficiently agitated, stratification occurs, the charge / discharge reaction in the low-concentration part where the electrolyte diffuses well is activated, the electrode plates are used unevenly, and the life performance of the battery is reduced. There is a problem of causing a decrease.

【0004】本発明はこのような点に着目してなされた
もので、その目的とするところは、水素過電圧を抑えて
ガス発生量を適度に増加させ、このガス発生量の増加で
電解液を適度かつ充分に撹拌させ、これにより電解液の
成層化を防止して電池の寿命性能を向上させることにあ
る。
The present invention has been made in view of such a point, and an object of the present invention is to suppress the hydrogen overvoltage to appropriately increase the amount of gas generated, and to increase the amount of gas generated by the electrolytic solution. An object of the present invention is to stir moderately and sufficiently, thereby preventing stratification of an electrolytic solution and improving the life performance of a battery.

【0005】[0005]

【課題を解決するための手段】本発明はこのような目的
を達成するために、負極として、Pb−Ca系合金から
なる格子基板を用いた鉛蓄電池において、前記格子基板
の下端部に、少なくともSbを含む鉛合金を塗布するよ
うにしたものである。
In order to achieve the above object, the present invention provides a lead-acid battery using a grid substrate made of a Pb-Ca-based alloy as a negative electrode, wherein at least the lower end of the grid substrate has The lead alloy containing Sb is applied.

【0006】鉛合金を塗布する部分としては、例えば負
極の格子基板の下端縁に成形されている足部とする。
The portion to which the lead alloy is applied is, for example, a foot formed on the lower edge of the grid substrate of the negative electrode.

【0007】[0007]

【発明の実施の形態】本発明の鉛蓄電池においては、従
来のカルシウム電池と同様に、正極および負極の格子基
板としてPb−Ca系合金を用いるが、負極の格子基板
にあってはその下端部の例えば足部に、少なくともSb
を含む鉛合金を塗布する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS In a lead-acid battery of the present invention, a Pb-Ca-based alloy is used as a grid substrate for a positive electrode and a negative electrode, as in a conventional calcium battery. For example, at least Sb
Is applied.

【0008】図1には、Pb−Ca系合金を用いて鋳造
された負極の格子基板1を示してあり、この格子基板1
にはその下端縁に足部2が一体に成形されている。この
格子基板1の縦幅は110mm、横幅は100mmで、
足部2の縦幅は3mm、横幅は10mmである。
FIG. 1 shows a grid substrate 1 of a negative electrode cast using a Pb—Ca alloy.
The foot 2 is integrally formed on the lower end edge of the body. The vertical width of this lattice substrate 1 is 110 mm, the horizontal width is 100 mm,
The vertical width of the foot 2 is 3 mm and the horizontal width is 10 mm.

【0009】そしてこの格子基板1の各足部2に、Sb
を含む鉛合金としてのPb−Sb系合金(Pb−Sbを
主体に他の元素を微量に含む合金)、例えばPb−Sb
−Sn−As−Se(3.0%Sb−0.2%Sn−0.3%A
s−0.01%Se−Pb残分)合金による塗布膜3を形成
する。
Each foot 2 of the lattice substrate 1 is provided with Sb
Pb-Sb-based alloy (an alloy containing Pb-Sb as a main component and trace amounts of other elements) as a lead alloy containing, for example, Pb-Sb
-Sn-As-Se (3.0% Sb-0.2% Sn-0.3% A
A coating film 3 of an (s-0.01% Se-Pb residue) alloy is formed.

【0010】この塗布膜3は、格子基板1を鋳造して製
作した後に、溶解したPb−Sb−Sn−As−Se
(3.0%Sb−0.2%Sn−0.3%As−0.01%Se−P
b残分)合金中にその格子基板1の足部2を浸漬する方
法で形成する。
This coating film 3 is formed by casting the lattice substrate 1 and then dissolving Pb-Sb-Sn-As-Se.
(3.0% Sb-0.2% Sn-0.3% As-0.01% Se-P
b Residue) The foot 2 of the lattice substrate 1 is immersed in the alloy.

【0011】溶解した合金は350〜400℃の温度に
保持し、この合金中へ格子基板1の足部2を5秒間浸漬
して塗布膜3を形成する。足部2に対する塗布膜3の塗
布面積は、足部2の外表面の総面積に対して70〜95
%の領域となる範囲内とする。そして足部2に塗布膜3
を施した後に、格子基板1に所定のペーストを充填して
負極板を完成させる。
The melted alloy is maintained at a temperature of 350 to 400 ° C., and the foot 2 of the lattice substrate 1 is immersed in the alloy for 5 seconds to form a coating film 3. The coating area of the coating film 3 on the foot 2 is 70 to 95 with respect to the total area of the outer surface of the foot 2.
% Range. And a coating film 3 on the foot 2
After that, the grid substrate 1 is filled with a predetermined paste to complete the negative electrode plate.

【0012】なお、塗布膜3を形成する手段としては、
浸漬による方法の場合のほか、吹き付けによる方法やメ
ッキによる方法を採用することも可能である。
The means for forming the coating film 3 includes:
In addition to the immersion method, it is also possible to adopt a method by spraying or a method by plating.

【0013】このようにPb−Sb系合金からなる塗布
膜を格子基板の足部に施した負極板を用いた鉛蓄電池に
おいては、その塗布膜の塗布部分での水素過電圧が低下
し、足部からのガス発生量が適度に増加し、電池内の全
体の電解液の撹拌が充分となり、このため電解液の成層
化が抑えられ、電池の寿命性能が向上する。
As described above, in a lead-acid battery using a negative electrode plate in which a coating film made of a Pb-Sb-based alloy is applied to the foot of a lattice substrate, the hydrogen overvoltage at the coating portion of the coating film decreases, The amount of gas generated from the electrolyte is appropriately increased, and the entire electrolytic solution in the battery is sufficiently stirred, so that the stratification of the electrolytic solution is suppressed and the life performance of the battery is improved.

【0014】ここで、足部に対する塗布膜の塗布面積が
広すぎると、足部からのガス発生量が過剰となり、電解
液の撹拌が適度の範囲を越え、電解液の減少が進んでし
まい、また逆に塗布面積が狭すぎると、電解液の撹拌が
不充分で、電解液の成層化が生じてしまうから、足部に
対する塗布膜の塗布面積としては、足部の外表面の総面
積に対して70〜95%の領域の範囲内とすることが好
ましい。
Here, if the application area of the coating film to the foot portion is too large, the amount of gas generated from the foot portion becomes excessive, the stirring of the electrolytic solution exceeds a proper range, and the electrolytic solution decreases, On the other hand, if the application area is too small, the stirring of the electrolyte is insufficient and the electrolyte is stratified, so that the application area of the coating film to the foot is the total area of the outer surface of the foot. On the other hand, it is preferable to be within the range of 70 to 95%.

【0015】本発明の効果を確認するために、正極板に
Pb−Ca系合金格子基板、負極板にPb−Ca系合金
格子基板を用いた本発明品による、5時間率容量が28
Ahの自動車用鉛蓄電池を試作し、JIS D5301に準
ずる軽負荷寿命試験を実施し、同容量の従来品と比較し
た結果、図2に示すように、本発明品は従来品に比べ寿
命性能が約1.5倍向上していることが確認された。
In order to confirm the effects of the present invention, the 5-hour rate capacity of the product of the present invention using a Pb-Ca alloy lattice substrate for the positive electrode plate and a Pb-Ca alloy lattice substrate for the negative electrode plate was 28%.
An Ah automotive lead-acid battery was prototyped, subjected to a light load life test in accordance with JIS D5301, and compared with a conventional product having the same capacity. As shown in FIG. 2, the product of the present invention has a longer life performance than the conventional product. It was confirmed that it was improved about 1.5 times.

【0016】前記実施形態においては、塗布膜の材料と
してPb−Sb−Sn−As−Se(3.0%Sb−0.2%
Sn−0.3%As−0.01%Se−Pb残分)合金を例示
したが、単なるPb−Sb合金であっても水素過電圧を
抑えることが可能である。要は塗布膜の材料として、少
なくともSbを含む鉛合金を用いればその塗布部分での
水素過電圧を抑え、ガス発生量を適度に増加させて電解
液の成層化を防止し、電池の寿命性能を向上させること
ができる。
In the above embodiment, Pb-Sb-Sn-As-Se (3.0% Sb-0.2%
Although the Sn-0.3% As-0.01% Se-Pb residue) alloy is exemplified, it is possible to suppress the hydrogen overvoltage with a simple Pb-Sb alloy. In short, if a lead alloy containing at least Sb is used as the material of the coating film, the hydrogen overvoltage in the coating portion is suppressed, the amount of gas generated is increased appropriately, the stratification of the electrolyte is prevented, and the battery life performance is improved. Can be improved.

【0017】また、前記実施形態においては、格子基板
の下端縁の足部に、水素過電圧を抑えるためのSbを含
む鉛合金を塗布するようにしたが、足部のない格子基板
においては、その下端部に、足部の場合と同等の面積で
Sbを含む鉛合金を塗布することにより同様の効果を得
ることができる。
In the above-described embodiment, a lead alloy containing Sb for suppressing hydrogen overvoltage is applied to the foot at the lower edge of the grid substrate. The same effect can be obtained by applying a lead alloy containing Sb to the lower end with an area equivalent to that of the foot.

【0018】[0018]

【発明の効果】以上説明したようにこの発明によれば、
水素過電圧を抑えてガス発生量を適度に増加させ、この
ガス発生量の増加で電解液を適度かつ充分に撹拌させる
ことができ、したがって電解液の成層化を防止して電池
の寿命性能を向上させることができる。
As explained above, according to the present invention,
Suppresses hydrogen overvoltage to increase gas generation moderately, and this increase in gas generation allows the electrolyte to be stirred appropriately and sufficiently, thus preventing stratification of the electrolyte and improving battery life. Can be done.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施形態に係る鉛蓄電池の負極の格
子基板を示す正面図。
FIG. 1 is a front view showing a grid substrate of a negative electrode of a lead storage battery according to an embodiment of the present invention.

【図2】本発明品と従来品との軽負荷寿命試験の結果を
比較して示すグラフ図。
FIG. 2 is a graph showing the results of a light load life test of the product of the present invention and a conventional product.

【符号の説明】[Explanation of symbols]

1…格子基板 2…足部 3…塗布膜 DESCRIPTION OF SYMBOLS 1 ... Lattice substrate 2 ... Foot 3 ... Coating film

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】負極として、Pb−Ca系合金からなる格
子基板を用いた鉛蓄電池において、前記格子基板の下端
部に、少なくともSbを含む鉛合金を塗布したことを特
徴とする鉛蓄電池。
1. A lead-acid battery using a grid substrate made of a Pb-Ca-based alloy as a negative electrode, wherein a lead alloy containing at least Sb is applied to the lower end of the grid substrate.
【請求項2】鉛合金の塗布部分は負極の格子基板の下端
縁に成形されている足部であることを特徴とする請求項
1に記載の鉛蓄電池。
2. The lead-acid battery according to claim 1, wherein the portion to which the lead alloy is applied is a foot formed on the lower edge of the grid substrate of the negative electrode.
JP11048014A 1999-02-25 1999-02-25 Lead-acid battery Pending JP2000251899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11048014A JP2000251899A (en) 1999-02-25 1999-02-25 Lead-acid battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11048014A JP2000251899A (en) 1999-02-25 1999-02-25 Lead-acid battery

Publications (1)

Publication Number Publication Date
JP2000251899A true JP2000251899A (en) 2000-09-14

Family

ID=12791464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11048014A Pending JP2000251899A (en) 1999-02-25 1999-02-25 Lead-acid battery

Country Status (1)

Country Link
JP (1) JP2000251899A (en)

Similar Documents

Publication Publication Date Title
JP5522444B2 (en) Lead acid battery
CN103109412B (en) Lead battery and be equipped with the idling stop vehicle of this lead battery
JP2005302395A (en) Lead storage battery
JP4507483B2 (en) Control valve type lead acid battery
RU2342744C1 (en) Lead battery and method for its manufacturing
JP2000251899A (en) Lead-acid battery
JP2007035339A (en) Control valve type lead-acid storage battery
JP2005294142A (en) Lead storage battery
JP2006079973A (en) Lead storage battery
JP4483308B2 (en) Lead acid battery
CA1323397C (en) Lead accumulators
JP2005268061A (en) Lead storage cell
JP6870266B2 (en) Lead-acid battery
JPH0250585B2 (en)
JPH10275618A (en) Positive plate for lead-acid battery
JPH0234758Y2 (en)
JPS63108667A (en) Manufacture of strap for lead acid battery
JPS61198574A (en) Lead storage battery
JPH0234757Y2 (en)
JPS607069A (en) Manufacture of sealed lead-acid battery
JPH0461749A (en) Manufacture of positive electrode for lead-acid battery
JPH11191405A (en) Sealed lead-acid battery
JP2000058105A (en) Lead-acid battery
JPH10188964A (en) Sealed lead-acid battery
JPH09147874A (en) Negative electrode plate for lead-acid battery and lead-acid battery