JP2003132897A - Method for manufacturing expand type electrode plate for positive electrode - Google Patents

Method for manufacturing expand type electrode plate for positive electrode

Info

Publication number
JP2003132897A
JP2003132897A JP2001332774A JP2001332774A JP2003132897A JP 2003132897 A JP2003132897 A JP 2003132897A JP 2001332774 A JP2001332774 A JP 2001332774A JP 2001332774 A JP2001332774 A JP 2001332774A JP 2003132897 A JP2003132897 A JP 2003132897A
Authority
JP
Japan
Prior art keywords
positive electrode
electrode plate
developed
vertical
lead 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
JP2001332774A
Other languages
Japanese (ja)
Inventor
Ichiro Shimoura
一朗 下浦
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.)
Resonac Corp
Original Assignee
Shin Kobe Electric Machinery 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 Shin Kobe Electric Machinery Co Ltd filed Critical Shin Kobe Electric Machinery Co Ltd
Priority to JP2001332774A priority Critical patent/JP2003132897A/en
Publication of JP2003132897A publication Critical patent/JP2003132897A/en
Pending legal-status Critical Current

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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

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  • Cell Electrode Carriers And Collectors (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an expand positive electrode plate excellent in output characteristic at high rate discharge and in cycle life characteristic. SOLUTION: A lead alloy sheet 1 is machined to give multiple cuts laterally, which is developed longitudinally to form a developed part 18. Lead alloy ribbons 3 are press-fitted to the developed part 18 using a cold press-fitting device 4, to form longitudinal ribs 19. After an active material paste 8 is filled in, cut the sheet is at the longitudinal ribs 19, and longitudinal frame ribs 11 are formed on both sides for the expand type electrode plate for a positive electrode.

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】本発明は、鉛蓄電池に使用す
る正極用エキスパンド式極板の製造方法に関するもので
ある。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing an expanded type electrode plate for a positive electrode used in a lead storage battery.

【0002】[0002]

【従来の技術】鉛蓄電池は安価で信頼性が高いという特
徴を有するため、自動車用として広く使用されている。
最近、自動車用鉛蓄電池は、メンテナンスフリー化の要
求が強く、この要求に対応するため、電極の集電体とし
て用いられる格子体の材質に、鉛-カルシウム系合金が
主に使用されている。
2. Description of the Related Art Lead acid batteries are widely used for automobiles because they are inexpensive and highly reliable.
Recently, lead-acid batteries for automobiles are strongly required to be maintenance-free, and in order to meet this demand, lead-calcium alloys are mainly used for the material of the grid used as the current collector of the electrodes.

【0003】鉛-カルシウム系合金を用いた格子体の製
造方法としては、鋳型に溶融した鉛合金を流し込んで凝
固させる鋳造方式と、鉛合金シートを機械加工すること
により、多数の切れ目を入れた後に、展開して作成する
エキスパンド方式のいずれかが用いられている。
As a method for producing a lattice using a lead-calcium alloy, a casting method in which a molten lead alloy is poured into a mold to solidify it, and a lead alloy sheet is machined to make a large number of cuts. One of the expanding methods that is later developed is used.

【0004】なお、鋳造方式の格子体は、図4に示され
るように、周囲を横枠骨13と縦枠骨11とで囲まれてお
り、その内側は横内骨14と縦内骨12によって格子状に仕
切られ、上部に位置する横枠骨13の1か所には、上方向
に突出する集電用の耳部15を有する構造をしている。
As shown in FIG. 4, the casting-type lattice body is surrounded by a horizontal frame bone 13 and a vertical frame bone 11, the inside of which is defined by a horizontal internal bone 14 and a vertical internal bone 12. The horizontal frame bones 13 are divided into a lattice shape and are located at an upper portion thereof. The horizontal frame bones 13 have a structure in which an ear portion 15 for collecting current is projected upward.

【0005】上記した鋳造方式による格子体は、その周
囲を横枠骨13と縦枠骨11で囲まれているため、集電性に
優れるという特徴がある。しかしながら、鋳造法により
作製しているため、それを構成している結晶粒子が細か
く、その粒界で腐食し、その結果、変形し易いという問
題点がある。さらに、鋳造方式による格子体は、連続生
産に適さないという問題点もある。
The above-mentioned casting-type grid body is characterized in that it is excellent in current collection because it is surrounded by the horizontal frame bones 13 and the vertical frame bones 11. However, since it is produced by the casting method, there is a problem that the crystal grains forming it are fine and corrode at the grain boundaries, and as a result, they are easily deformed. Furthermore, the latticed body produced by the casting method is not suitable for continuous production.

【0006】一方、エキスパンド方式による格子体は、
鉛合金製のシートをエキスパンド加工した後に展開し
て、そのまま活物質ペーストを充填できるために連続生
産に向いているという特徴や、鋳造により作製した鉛合
金製のスラブを圧延してシートに加工しているため、結
晶粒子が圧延方向に伸ばされており、粒界での腐食が起
こりにくいという特徴がある。
On the other hand, the expanded lattice is
The lead alloy sheet is expanded and expanded, and the active material paste can be filled as it is, which is suitable for continuous production.The lead alloy slab made by casting is rolled and processed into a sheet. Therefore, the crystal grains are elongated in the rolling direction, and there is a feature that corrosion at grain boundaries does not easily occur.

【0007】特に自動車用鉛蓄電池において、その生産
性の面からエキスパンド方式が多く採用されている。な
お、図3に示すような従来から使用されているエキスパ
ンド方式の格子体は、上部に鉛合金シートに切れ目を入
れていない横枠骨13と、この横枠骨13の上部の1か所に
は上方向に突出する集電用の耳部15を備え、これらの下
部には鉛合金シートに横向きに設けた多数の切れ目を、
縦向きに展開した展開部18と、その下部に横枠骨13を設
けた構造である。
In particular, in the lead acid battery for automobiles, the expand system is often adopted from the viewpoint of productivity. It should be noted that, as shown in FIG. 3, the conventionally used expanded type lattice body has a horizontal frame bone 13 in which a lead alloy sheet is not cut in the upper part and one portion above the horizontal frame bone 13. Is provided with a current collecting ear portion 15 projecting upward, and a large number of cuts laterally provided on the lead alloy sheet are provided at the lower portion of these.
This is a structure in which a developed portion 18 which is developed in a vertical direction and a horizontal frame bone 13 are provided below the developed portion 18.

【0008】[0008]

【発明が解決しようとする課題】しかしながら、従来か
ら使用されている構造のエキスパンド式極板は、上下方
向の縦骨を有しないものであった(図3)。したがっ
て、特に正極用として使用した場合には、使用中に展開
部が上下方向に伸びやすく、活物質がエキスパンド格子
体から脱落しやすいため、鋳造方式による格子体に比べ
て寿命が短いという問題点があった。
However, the expanding type electrode plate of the structure which has been conventionally used does not have vertical bones in the vertical direction (FIG. 3). Therefore, particularly when used for a positive electrode, the developed part is likely to extend in the vertical direction during use, and the active material is easily separated from the expanded lattice body, resulting in a shorter life than the lattice body formed by the casting method. was there.

【0009】この問題点を解決するために、格子の結節
部から斜めに伸びた桟の部分を結節部から上方または下
方へ折り曲げて使用する提案が、特開平7−32074
3号公報によって開示されている。しかしながら、この
方法を用いても展開部の伸びを充分に抑えられない状況
である。
[0009] In order to solve this problem, a proposal is proposed in which a bar portion obliquely extending from the knot of the lattice is bent upward or downward from the knot to be used.
No. 3 publication. However, even if this method is used, the expansion of the developed portion cannot be sufficiently suppressed.

【0010】加えて、図3に示すような従来のエキスパ
ンド方式による格子体は、展開部の左右の両端に上下方
向の縦枠骨がないために、図4に示すような鋳造方式に
よる格子体に比べて集電性が悪く、高率放電をした場合
の出力特性に劣るという問題点があった。
In addition, since the conventional expanding type lattice body as shown in FIG. 3 has no vertical frame bones on the left and right ends of the expanding portion, the casting type lattice body as shown in FIG. However, the current collection performance is poorer than that of No. 1, and the output characteristics are poor when high-rate discharge is performed.

【0011】本発明は、上記した課題を解決するもので
あり、電極板の生産性を損なわず、高率放電時の出力特
性や寿命特性に優れた正極用エキスパンド式極板の製造
方法を提供するものである。
The present invention solves the above-mentioned problems and provides a method for producing an expanded type positive electrode plate for a positive electrode, which does not impair the productivity of the electrode plate and is excellent in output characteristics and life characteristics at high rate discharge. To do.

【0012】[0012]

【課題を解決するための手段】上記した課題を解決する
ために、本発明は従来から使用されている構造のエキス
パンド格子体の展開部に、上下方向の縦骨を形成するこ
とによって、高率放電をした場合の出力特性や寿命特性
に優れた鉛蓄電池を提供するものである。
In order to solve the above-mentioned problems, the present invention has a high efficiency by forming a vertical bone in the vertical direction at the expanded portion of the expanded lattice body having the structure conventionally used. The present invention provides a lead storage battery having excellent output characteristics and life characteristics when discharged.

【0013】請求項1の発明は、鉛合金シートを機械加
工することにより、横向きに多数の切れ目を作り、該切
れ目を縦向きに展開した展開部と、該展開部の上下には
横枠骨を有し、そのうち上部に位置する前記横枠骨に
は、上方向に突出する耳部を備えた正極用エキスパンド
式極板の製造方法であって、前記展開した後に、上下方
向から鉛合金リボンを圧着して、縦骨を形成することを
特徴とする。
According to a first aspect of the present invention, a lead alloy sheet is machined to form a large number of cuts in a horizontal direction, and a developed portion in which the cuts are developed in a vertical direction and horizontal frame bones above and below the developed portion are formed. The horizontal frame bone located at the upper part thereof is a method for manufacturing an expanded positive electrode plate for a positive electrode having an ear portion projecting upward, and after the expansion, a lead alloy ribbon from the vertical direction. It is characterized by forming a vertical bone by crimping.

【0014】請求項2の発明は、鉛合金シートを機械加
工することにより、横向きに多数の切れ目を作り、該切
れ目を縦向きに展開した展開部と、該展開部の上下には
横枠骨を有し、そのうち上部に位置する前記横枠骨に
は、上方向に突出する耳部を備えた正極用エキスパンド
式極板の製造方法であって、前記展開した後に、上下方
向から鉛合金リボンを圧着して縦骨を形成し、活物質ペ
ーストを充填した後に、前記縦骨の部分で切断して縦枠
骨を形成することを特徴とする。すなわち、縦骨部分で
切断し、この部分を縦枠骨として利用するものである。
According to a second aspect of the present invention, a lead alloy sheet is machined to form a large number of cuts in a horizontal direction, and a developed portion in which the cuts are developed in a vertical direction and horizontal frame bones above and below the developed portion. The horizontal frame bone located at the upper part thereof is a method for manufacturing an expanded positive electrode plate for a positive electrode having an ear portion projecting upward, and after the expansion, a lead alloy ribbon from the vertical direction. Is pressed to form vertical bones, the active material paste is filled, and then the vertical frame portions are cut to form vertical frame bones. That is, it is cut at a vertical bone portion and this portion is used as a vertical frame bone.

【0015】[0015]

【発明の実施の形態】以下に、本発明の実施の形態につ
いて、制御弁式鉛蓄電池で実験した例を用いて詳細に説
明する。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to an example of an experiment using a valve regulated lead-acid battery.

【0016】1.制御弁式鉛蓄電池の作製方法 実験に使用した正極板及び負極板は、鉛−カルシウム−
錫合金製(Pb−Ca−Sn)の格子体を用い、ペース
ト状の活物質を充填して作成するいわゆるペースト式極
板である。
1. The positive electrode plate and the negative electrode plate used in the method for producing the control valve type lead-acid battery were lead-calcium-
This is a so-called paste-type electrode plate prepared by filling a paste-like active material using a tin alloy (Pb-Ca-Sn) lattice.

【0017】なお、正極板に用いた格子体には、後述す
る実施例で示される各種類のものを使用し、負極板には
従来から使用されているエキスパンド式格子体を用い
た。なお、これらの格子体への活物質ペーストの充填条
件や乾燥条件等は、従来から使用しているものである。
As the grid used for the positive electrode plate, each type shown in Examples described later was used, and for the negative electrode plate, the conventionally used expanded type grid was used. The filling condition and the drying condition of the active material paste in these grids are those conventionally used.

【0018】後述する各種類の正極板が4枚と、従来か
ら使用している負極板が5枚とをガラス繊維製のセパレ
ータを介して積層し、耳部を溶接して極板群を組立て
る。この極板群をABS製の電槽に組み込み、直列に接
続し、前記電槽の上部に蓋を接着し、密封して電槽化成
を行なった。なお、電槽化成条件として、充電量を理論
容量の250%、化成時間を48時間、周囲温度を40
℃とし、15Ah-12Vのモノブロック型の制御弁式
鉛蓄電池を作成した。
Four kinds of positive electrode plates of each kind, which will be described later, and five conventionally used negative electrode plates are laminated via a separator made of glass fiber, and the ears are welded to assemble an electrode plate group. . This electrode group was assembled in an ABS battery case, connected in series, a lid was adhered to the upper part of the battery case, and sealed to form a battery case. As the battery case formation conditions, the charge amount was 250% of the theoretical capacity, the formation time was 48 hours, and the ambient temperature was 40%.
At 15 ° C., a 15 Ah-12 V monoblock type control valve type lead storage battery was prepared.

【0019】2.制御弁式鉛蓄電池の試験条件 高率放電時の出力特性評価試験として、満充電状態の制
御弁式鉛蓄電池を周囲温度が、−15±2℃の雰囲気中
に16時間放置した後、300A(20CA)にて放電
を行ない、放電開始から0.5秒経過後の出力(W)を
測定して比較した。
2. Test condition of control valve type lead storage battery As an output characteristic evaluation test at high rate discharge, after leaving the control valve type lead storage battery in a fully charged state in an atmosphere having an ambient temperature of −15 ± 2 ° C. for 16 hours, 300 A ( Discharge was performed at 20 CA), and the output (W) 0.5 seconds after the start of discharge was measured and compared.

【0020】出力特性評価試験をした制御弁式鉛蓄電池
は、その後、周囲温度が25℃の雰囲気で、以下の条件
でサイクル寿命試験をした。
The control valve type lead storage battery subjected to the output characteristic evaluation test was then subjected to a cycle life test under the following conditions in an atmosphere having an ambient temperature of 25 ° C.

【0021】充電条件:1.5A(0.1CA)で6時
間充電。
Charging condition: Charging at 1.5 A (0.1 CA) for 6 hours.

【0022】充電後の休止時間:2時間。Pause time after charging: 2 hours.

【0023】放電条件:3.75A(0.25CA)で
2時間放電。
Discharge condition: Discharge at 3.75 A (0.25 CA) for 2 hours.

【0024】上記した条件で充放電サイクル寿命試験を
行い、50サイクル毎に3.0A(0.2CA)で、放
電終止電圧が 1.8V/セル まで放電して放電容量を
測定した。そして、50サイクル毎の放電容量が初期放
電容量の50%になった時点を、制御弁式鉛蓄電池の寿
命と判定した。
A charge / discharge cycle life test was conducted under the above-mentioned conditions, and the discharge capacity was measured by discharging at a discharge end voltage of 1.8 V / cell at 3.0 A (0.2 CA) every 50 cycles. Then, the time when the discharge capacity at every 50 cycles reached 50% of the initial discharge capacity was determined as the life of the control valve type lead storage battery.

【0025】[0025]

【実施例】正極用として以下に示すような3種類の格子
体を用い、上記した方法で正極板や制御弁式鉛蓄電池を
作製して試験した。
EXAMPLE Using the following three types of grids for a positive electrode, a positive electrode plate and a control valve type lead storage battery were manufactured and tested by the above-mentioned method.

【0026】1.実施例1 本発明に係わる正極用エキスパンド式極板は、図1に示
す製造装置を用いて作製した。この装置は、従来のエキ
スパンド方式による製造装置に、連続的に縦骨を形成す
ることができる冷間圧着装置4が付加されたものであ
る。
1. Example 1 The expandable electrode plate for a positive electrode according to the present invention was manufactured using the manufacturing apparatus shown in FIG. This device is obtained by adding a cold pressure bonding device 4 capable of continuously forming vertical bones to a conventional expanding manufacturing device.

【0027】すなわち、従来から使用されている圧延
し、ロール状に捲回されている帯状の鉛合金シート1
(合金組成:Pb-Ca0.08質量%-Sn1.0質量
%)を、エキスパンド加工機2で機械加工して横方向に
刻みを入れた後に、縦方向に展開して帯状の格子体を作
製する(図3(a))。
That is, a strip-shaped lead alloy sheet 1 which has been conventionally used and is wound into a roll.
(Alloy composition: Pb-Ca 0.08% by mass-Sn 1.0% by mass) is machined by an expanding machine 2 to make incisions in the lateral direction, and then is developed in the longitudinal direction to produce a band-shaped lattice. (FIG. 3A).

【0028】次にこの帯状の格子体に、直径が150m
mの油圧シリンダーからなる冷間圧着装置4を用いて、
厚みが0.5mmで、幅が10mmの鉛合金リボン3
(合金組成:Pb-Ca0.08質量%-Sn1.6質量
%)を圧接圧力が5MPaで圧接し、前記鉛合金リボン
3の部分を切断して前記帯状格子体に一体化した縦骨19
を形成した(図3(b))。
Next, a diameter of 150 m is added to this strip-shaped lattice.
Using a cold pressure bonding device 4 consisting of m hydraulic cylinder,
Lead alloy ribbon with a thickness of 0.5 mm and a width of 10 mm 3
(Alloy composition: 0.08% by mass of Pb-Ca-1.6% by mass of Sn) is pressed at a pressure of 5 MPa to obtain the lead alloy ribbon.
Longitudinal bone 19 obtained by cutting the part 3 and integrating with the strip lattice
Was formed (FIG. 3 (b)).

【0029】縦骨19が形成された前記帯状格子体の下面
に、その網目部分を覆うようにペースト紙6aを供給し、
充填機7でその上面から活物質ペースト8を充填し、その
上面にペースト紙6bを配し、図示されていないローラー
で圧着し、乾燥器10にて乾燥し、切断機9にて切断す
る。本実施例では、前記鉛合金リボン3で形成されら縦
骨19の部分で切断して、その部分を縦枠骨11として利用
した。次いで切断した正極板を従来の手法で熟成、乾燥
することによって、図2に示す形状をした70×
50×1.8mmの正極板を作製して使用した。
The lower surface of the strip-shaped grid body on which the vertical bones 19 are formed
, Supply the paste paper 6a so as to cover the mesh portion,
Fill the active material paste 8 from its upper surface with the filling machine 7,
Roll the paste paper 6b on the top surface, not shown
Crimping with, dry with a dryer 10 and cut with a cutting machine 9.
It In this embodiment, the lead alloy ribbon 3 is
Cut at the part of the bone 19 and use that part as the vertical frame bone 11
did. The cut positive plate is then aged and dried by conventional methods.
To obtain the shape shown in FIG.w70x l1
50xtA 1.8 mm positive electrode plate was prepared and used.

【0030】2.比較例1 比較例1として図3に示されるような、従来から使用し
ている70×150×1.8mmのエキスパンド
式正極板を使用した。
2. Comparative Example 1 As Comparative Example 1, a conventionally used expanded type positive electrode plate of w 70 × l 150 × t 1.8 mm as shown in FIG. 3 was used.

【0031】3.比較例2 比較例2として図4に示すような、鋳造式の格子体(格
子体の部分のみ図示)を用い、活物質ペースト8を1枚
ずつ充填した後に、その両面にペースト紙を貼り、熟
成、乾燥することによって、70×150×1.
8mmの正極板を作製して使用した。
3. Comparative Example 2 As Comparative Example 2, as shown in FIG. 4, a casting type lattice body (only the portion of the lattice body is shown) was used, the active material pastes 8 were filled one by one, and then paste paper was pasted on both sides thereof. By aging and drying, w 70 × l 150 × t 1.
An 8 mm positive electrode plate was prepared and used.

【0032】表1に、上記した各種の正極板を用いて作
製した制御弁式鉛蓄電池の高率放電時の出力特性を示
す。本発明に係わる制御弁式鉛蓄電池(実施例1〜3)
は、比較例1に比べて出力が約5%高く、鋳造式格子体
を用いた比較例2と同等の出力が得られた。この理由と
して、実施例1は格子体の両側に縦枠骨11を有してお
り、集電性に優れるため高率放電時の電圧低下が少な
く、出力特性が向上したためと考えられる。
Table 1 shows the output characteristics of the control valve type lead storage battery produced by using the above various positive electrode plates at high rate discharge. Control valve type lead-acid battery according to the present invention (Examples 1 to 3)
The output was about 5% higher than that of Comparative Example 1, and an output equivalent to that of Comparative Example 2 using the cast lattice was obtained. It is considered that the reason for this is that Example 1 has the vertical frame bones 11 on both sides of the lattice and has excellent current collecting properties, so that the voltage drop during high rate discharge is small and the output characteristics are improved.

【0033】[0033]

【表1】 [Table 1]

【0034】図5に、上記した各種の正極板を用いて作
製した、制御弁式鉛蓄電池のサイクル寿命試験をした結
果を示す。本発明に係わる制御弁式鉛蓄電池(実施例
1)は、比較例1、2に比べて長寿命であることがわか
る。
FIG. 5 shows the results of the cycle life test of the valve-regulated lead-acid battery prepared by using the above various positive electrode plates. It can be seen that the control valve type lead-acid battery according to the present invention (Example 1) has a longer life than Comparative Examples 1 and 2.

【0035】解体調査によって、比較例1は、正極用エ
キスパンド式極板の伸びが著しく、その結果、活物質の
脱落による容量低下によって250サイクルで寿命とな
っていた。一方、比較例2の正極板は、鋳造式の格子体
を使用しているため、Pb-Ca合金特有の粒界腐食の
進行によって格子体が変形し、その結果、短絡が生じて
400サイクルで寿命となっていた。
According to the disassembly examination, in Comparative Example 1, the expansion type electrode plate for the positive electrode showed a remarkable elongation, and as a result, the life was reduced to 250 cycles due to the capacity decrease due to the dropping of the active material. On the other hand, since the positive electrode plate of Comparative Example 2 uses the casting type lattice body, the lattice body is deformed due to the progress of intergranular corrosion peculiar to the Pb-Ca alloy, and as a result, a short circuit occurs and 400 cycles are repeated. It had reached the end of its life.

【0036】本発明に係わる実施例1では、正極板の両
側に縦枠骨11が形成されているため、伸びが抑制されて
おり、その結果、活物質の脱落が抑えられていること
や、鋳造した鉛合金製のスラブを圧延して鉛合金シート
1に加工しているため、結晶粒子が圧延方向に伸ばされ
ており、粒界での腐食が起こりにくいという特徴がある
ためにサイクル寿命が向上したものと考えられる。
In Example 1 according to the present invention, since the vertical frame bones 11 are formed on both sides of the positive electrode plate, the elongation is suppressed, and as a result, the active material is prevented from falling off. A slab made of cast lead alloy is rolled to obtain a lead alloy sheet.
It is considered that the cycle life is improved because the crystal grains are stretched in the rolling direction because they are processed to 1 and corrosion at grain boundaries does not easily occur.

【0037】なお、上記した実施例では、制御弁式鉛蓄
電池で実施した例を示したが、自動車用バッテリなどの
液式の鉛蓄電池に使用した場合でも同様の効果があるこ
とは言うまでもない。
In the above-mentioned embodiment, the control valve type lead storage battery is used as an example. However, it is needless to say that the same effect can be obtained even when it is used in a liquid type lead storage battery such as an automobile battery.

【0038】また、実施例1では鉛合金リボン3による
縦骨19を形成し、該縦骨19の部分で切断して、正極板の
両側に縦枠骨11を形成した場合を示したが、それよりも
内側に縦骨19を形成し、そのまま残した場合でもぼぼ同
程度の出力特性及び寿命特性が得られた。
In the first embodiment, the vertical frame 19 is formed by the lead alloy ribbon 3, the vertical frame 19 is cut, and the vertical frame bones 11 are formed on both sides of the positive electrode plate. Even when the vertical bones 19 were formed on the inner side and left as it was, almost the same output characteristics and life characteristics were obtained.

【0039】[0039]

【発明の効果】上述したように本発明に係わるエキスパ
ンド式正極板を用いた鉛蓄電池は、高率放電時の出力特
性とサイクル寿命特性に優れており、工業的価値の高い
ものである。
As described above, the lead storage battery using the expanded type positive electrode plate according to the present invention is excellent in output characteristics at high rate discharge and cycle life characteristics, and has high industrial value.

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

【図1】本発明に係わるエキスパンド式正極板の製造工
程の概略図である。
FIG. 1 is a schematic view of a manufacturing process of an expanded positive electrode plate according to the present invention.

【図2】本発明に係わるエキスパンド式正極板の概略図
である。
FIG. 2 is a schematic view of an expanded positive electrode plate according to the present invention.

【図3】従来から使用しているエキスパンド式正極板の
概略図である。
FIG. 3 is a schematic view of an expanding type positive electrode plate which has been conventionally used.

【図4】従来から使用している鋳造方式による格子体の
概略図である。
FIG. 4 is a schematic view of a lattice body according to a casting method which has been conventionally used.

【図5】各種の正極板を用いた制御弁式鉛蓄電池の寿命
試験結果である。
FIG. 5 is a life test result of a control valve type lead storage battery using various positive electrode plates.

【符号の説明】[Explanation of symbols]

1:鉛合金シート、2:エキスパンド加工機、3:鉛合
金リボン、4:冷間圧着装置、6:ペースト紙、7:充
填機、8:活物質ペースト、9:切断機、10:乾燥
器、11:縦枠骨、12:縦内骨、13:横枠骨、1
4:横内骨、15:耳部、16:活物質層、17:エキ
スパンド格子、18:展開部、19:縦骨
1: Lead alloy sheet, 2: Expanding processing machine, 3: Lead alloy ribbon, 4: Cold pressure bonding device, 6: Paste paper, 7: Filling machine, 8: Active material paste, 9: Cutting machine, 10: Dryer , 11: vertical frame bones, 12: vertical internal bones, 13: horizontal frame bones, 1
4: transverse inner bone, 15: ear, 16: active material layer, 17: expanded lattice, 18: expanded portion, 19: longitudinal bone

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 鉛合金シートを機械加工することによ
り、横向きに多数の切れ目を作り、該切れ目を縦向きに
展開した展開部と、該展開部の上下には横枠骨を有し、
そのうち上部に位置する前記横枠骨には、上方向に突出
する耳部を備えた正極用エキスパンド式極板の製造方法
であって、前記展開した後に、上下方向から鉛合金リボ
ンを圧着して、縦骨を形成することを特徴とする正極用
エキスパンド式極板の製造方法。
1. A lead alloy sheet is machined to form a large number of cuts in a horizontal direction, and a developed portion in which the cuts are developed in a vertical direction and horizontal frame bones above and below the developed portion are provided.
Among them, the horizontal frame bone located at the upper part is a method for manufacturing a positive electrode expanded type electrode plate having an ear portion protruding upward, and after the deployment, a lead alloy ribbon is pressure-bonded from the vertical direction. A method for producing an expanded electrode plate for a positive electrode, which comprises forming a vertical bone.
【請求項2】 鉛合金シートを機械加工することによ
り、横向きに多数の切れ目を作り、該切れ目を縦向きに
展開した展開部と、該展開部の上下には横枠骨を有し、
そのうち上部に位置する前記横枠骨には、上方向に突出
する耳部を備えた正極用エキスパンド式極板の製造方法
であって、前記展開した後に、上下方向から鉛合金リボ
ンを圧着して縦骨を形成し、活物質ペーストを充填した
後に、前記縦骨の部分で切断して縦枠骨を形成すること
を特徴とする正極用エキスパンド式極板の製造方法。
2. A lead alloy sheet is machined to form a large number of cuts in a horizontal direction, and a developed portion in which the cuts are developed in a vertical direction and horizontal frame bones above and below the developed portion are provided.
Among them, the horizontal frame bone located at the upper part is a method for manufacturing a positive electrode expanded type electrode plate having an ear portion protruding upward, and after the deployment, a lead alloy ribbon is pressure-bonded from the vertical direction. A method for producing an expanded electrode plate for a positive electrode, which comprises forming vertical bones, filling the active material paste, and then cutting the vertical bones to form vertical frame bones.
JP2001332774A 2001-10-30 2001-10-30 Method for manufacturing expand type electrode plate for positive electrode Pending JP2003132897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001332774A JP2003132897A (en) 2001-10-30 2001-10-30 Method for manufacturing expand type electrode plate for positive electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001332774A JP2003132897A (en) 2001-10-30 2001-10-30 Method for manufacturing expand type electrode plate for positive electrode

Publications (1)

Publication Number Publication Date
JP2003132897A true JP2003132897A (en) 2003-05-09

Family

ID=19148147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001332774A Pending JP2003132897A (en) 2001-10-30 2001-10-30 Method for manufacturing expand type electrode plate for positive electrode

Country Status (1)

Country Link
JP (1) JP2003132897A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006059671A (en) * 2004-08-20 2006-03-02 Matsushita Electric Ind Co Ltd Lead-acid battery
JP2017147242A (en) * 2009-02-26 2017-08-24 ジョンソン コントロールズ テクノロジー カンパニーJohnson Controls Technology Company Battery electrode pair
CN111370651A (en) * 2020-02-24 2020-07-03 天能电池集团股份有限公司 Preparation method of curing-free storage battery plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006059671A (en) * 2004-08-20 2006-03-02 Matsushita Electric Ind Co Ltd Lead-acid battery
JP4599940B2 (en) * 2004-08-20 2010-12-15 パナソニック株式会社 Lead acid battery
JP2017147242A (en) * 2009-02-26 2017-08-24 ジョンソン コントロールズ テクノロジー カンパニーJohnson Controls Technology Company Battery electrode pair
CN111370651A (en) * 2020-02-24 2020-07-03 天能电池集团股份有限公司 Preparation method of curing-free storage battery plate
CN111370651B (en) * 2020-02-24 2021-08-03 天能电池集团股份有限公司 Preparation method of curing-free storage battery plate

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