JPS6050862A - Positive plate for quick use type lead storage battery - Google Patents
Positive plate for quick use type lead storage batteryInfo
- Publication number
- JPS6050862A JPS6050862A JP58159976A JP15997683A JPS6050862A JP S6050862 A JPS6050862 A JP S6050862A JP 58159976 A JP58159976 A JP 58159976A JP 15997683 A JP15997683 A JP 15997683A JP S6050862 A JPS6050862 A JP S6050862A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- aluminum
- active substance
- substrate
- forming
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/68—Selection of materials for use in lead-acid accumulators
- H01M4/685—Lead alloys
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は即用式鉛蓄電池用陽極板の改良に関するもので
あり、基板と活物質との密着性を増大せしめ、この両者
の界面を緻密化して基板と活物質との間に不働態皮膜の
生成を防止して即用保存性能を向上せしめんとするもの
である。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of an anode plate for a ready-to-use lead-acid battery, by increasing the adhesion between the substrate and the active material, and by densifying the interface between the two. The purpose is to prevent the formation of a passive film during the storage period and improve the ready-to-use storage performance.
従来即用式鉛蓄電池用陽極板は鉛合金格子状基板面にP
bOを希硫酸にて練り合せた波−スト状未化成活物質を
充填した後、化成し水洗、乾燥を行ってえているもので
ある。Conventional ready-to-use lead-acid battery anode plates have P on the lead alloy lattice substrate surface.
It is obtained by filling a wave-stripe unformed active material made by kneading bO with dilute sulfuric acid, and then chemically converting it, washing with water, and drying.
然しなから上記陽極板は多孔質であるため、水洗によっ
て極板の表面に存在する硫酸分は除去しうるも内部に含
浸した硫酸分は除去し難くそのt−を存在しているもの
である。従って活物質内にフリーな硫酸が残存している
と極板の鉛合金格子体と活物質との界面において下式の
如゛き自己放電反応が進行してPbSO4の不働態皮膜
を生成して即用保存性態を低下せしめるものであった。However, since the anode plate is porous, the sulfuric acid content present on the surface of the plate can be removed by washing with water, but the sulfuric acid content impregnated inside is difficult to remove, and the t- is present. . Therefore, if free sulfuric acid remains in the active material, a self-discharge reaction as shown in the equation below will proceed at the interface between the lead alloy lattice of the electrode plate and the active material, forming a passive film of PbSO4. This resulted in a decrease in ready-to-use storage properties.
PbO2+Pb+2H2SO4→2PbSO4+2H2
0従って格子状基板と活物質との界面にフIJ−の硫酸
が浸入しないようにし、この界面に不働態皮膜の生成を
阻止しうる極板の出現が要望されていたものであった。PbO2+Pb+2H2SO4→2PbSO4+2H2
Therefore, there has been a demand for an electrode plate that can prevent the sulfuric acid of F-IJ- from penetrating into the interface between the lattice-like substrate and the active material, and can prevent the formation of a passive film at this interface.
本発明はかかる要望に応じ鋭意研究を行った結果、極板
と活物質との密着性を増大してこの両者の界面を緻密に
したものである。即ち本発明はpb−sb金合金Atを
0.01重量係以上含有せしめた格子状基板に活物質を
充填したものである。As a result of extensive research in response to such demands, the present invention has been developed to increase the adhesion between the electrode plate and the active material, thereby making the interface between the two dense. That is, in the present invention, an active material is filled in a lattice-shaped substrate containing a pb-sb gold alloy At of 0.01 weight percent or more.
本発明においてA7はpb−sb金合金添加すると結晶
組織が微細化して格子状基板と活物質との界面が緻密に
なるものである。その添加量を0、01.1以上に限定
したが、0.01%未満の場合には上記の効果を発揮す
ることが出来ないためである。なおAlを1係以」=添
加した場合にはpb−sb金合金の間に固溶体をつくら
ず単に機械的配合にとどまる程度である。従ってAtの
添加量ば0,2〜0.8 %程度が好ましい。In the present invention, when A7 is added to the pb-sb gold alloy, the crystal structure becomes finer and the interface between the lattice-like substrate and the active material becomes denser. Although the amount added was limited to 0.01.1% or more, the above effect cannot be achieved if the amount is less than 0.01%. In addition, when more than 1% of Al is added, no solid solution is formed between the pb-sb gold alloys, and the result is merely mechanical mixing. Therefore, the amount of At added is preferably about 0.2 to 0.8%.
又基板においてpb−sb金合金主体とした理由は鉛蓄
電池においてメンテナンスフリー化を目的とするために
使用するものであり、sbの含有骨は2.5〜3.5重
量係が望ましい。The reason why the substrate is mainly made of a pb-sb gold alloy is that it is used for the purpose of maintenance-free use in lead-acid batteries, and the content of sb is preferably 2.5 to 3.5% by weight.
次に本発明の実施例について説明する。Next, examples of the present invention will be described.
実施例
2.5チ5b−0,2チAt−Pb合金よりなる格子状
基板面に未化成活物質を充填した後、化成槽に入れ、充
放電を行って化成を行い、然る後水洗し乾燥を行って本
発明極板をえた。Example 2. After filling the surface of a lattice-shaped substrate made of 5b-0, 2th At-Pb alloy with an unformed active material, it was placed in a chemical conversion tank and charged and discharged to perform chemical conversion, and then washed with water. The electrode plate of the present invention was obtained by drying.
なお本発明極板と比較するために2.55b−Pb合金
によりなる格子状基板面に実施例と同様にして化成を行
い、次いで水洗及び乾燥を行って従来極板をえた。For comparison with the electrode plate of the present invention, a conventional electrode plate was obtained by chemically forming the surface of a lattice-shaped substrate made of 2.55b-Pb alloy in the same manner as in the example, followed by washing with water and drying.
斯くして得た本発明極板と従来極板によって夫々N54
0Zの鉛蓄電池を組立て40℃±2℃の環境温度にて保
存し、その5秒目電圧を測定した。その結果は図面に示
す通りである。The thus obtained electrode plate of the present invention and the conventional electrode plate each produced N54.
A 0Z lead-acid battery was assembled and stored at an environmental temperature of 40°C±2°C, and the voltage was measured at the 5th second. The results are shown in the drawings.
図面から明らかの如く本発明極板は40℃において6ケ
月保存するも即用性能はほとんど低下することなく十分
に即用式鉛蓄電池として使用することができた。しかし
従来極板の場合には6ケ月保存すると即用性能が著しく
低下し即用式鉛蓄電池として使用することが出来難い状
態となった。As is clear from the drawings, the electrode plate of the present invention could be used as a ready-to-use lead-acid battery with almost no deterioration in its ready-to-use performance even after being stored at 40° C. for 6 months. However, in the case of conventional electrode plates, their ready-to-use performance deteriorated significantly after being stored for six months, making it difficult to use them as ready-to-use lead-acid batteries.
以上詳述した如く本発明極板によれば基板の合金組成を
改良するのみにて長期間保存に耐えうるため即用式鉛蓄
電池用として極めて有用なものである。As detailed above, the electrode plate of the present invention can withstand long-term storage simply by improving the alloy composition of the substrate, and is therefore extremely useful for use in ready-to-use lead-acid batteries.
図面は本発明極板及び従来極板について保存期間と5秒
目電圧との関係曲線図を示したものである。The drawing shows a relationship curve diagram between the storage period and the voltage at the 5th second for the electrode plate of the present invention and the conventional electrode plate.
Claims (1)
めた基板に活物質を充填してなることを特徴とする即用
式鉛蓄雷1池用陽極板。1. An anode plate for a ready-to-use lead-acid battery, comprising a substrate containing 0.01% by weight or more of pb-sb gold alloy At and filled with an active material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58159976A JPS6050862A (en) | 1983-08-31 | 1983-08-31 | Positive plate for quick use type lead storage battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58159976A JPS6050862A (en) | 1983-08-31 | 1983-08-31 | Positive plate for quick use type lead storage battery |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6050862A true JPS6050862A (en) | 1985-03-20 |
Family
ID=15705282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58159976A Pending JPS6050862A (en) | 1983-08-31 | 1983-08-31 | Positive plate for quick use type lead storage battery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6050862A (en) |
-
1983
- 1983-08-31 JP JP58159976A patent/JPS6050862A/en active Pending
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