JPH06111826A - Manufacture of grid body for lead-acid battery - Google Patents

Manufacture of grid body for lead-acid battery

Info

Publication number
JPH06111826A
JPH06111826A JP4259397A JP25939792A JPH06111826A JP H06111826 A JPH06111826 A JP H06111826A JP 4259397 A JP4259397 A JP 4259397A JP 25939792 A JP25939792 A JP 25939792A JP H06111826 A JPH06111826 A JP H06111826A
Authority
JP
Japan
Prior art keywords
lead
grid
grid body
alloy
corrosion resistance
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.)
Withdrawn
Application number
JP4259397A
Other languages
Japanese (ja)
Inventor
Masatoshi Miyatsuka
政敏 宮塚
Masayuki Terada
正幸 寺田
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 JP4259397A priority Critical patent/JPH06111826A/en
Publication of JPH06111826A publication Critical patent/JPH06111826A/en
Withdrawn legal-status Critical Current

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
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
    • 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
    • H01M4/82—Multi-step processes for manufacturing carriers for lead-acid accumulators
    • 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

Abstract

PURPOSE:To eliminate a problem in the area of corrosion resistance and liquid reduction with a grid body hardened, by striking a fine hard ball to a grid body for a lead-acid battery. CONSTITUTION:A grid body surface is plastically deformed to be work-hardened, and the surface is roughened, by striking a cast-steel-made hard ball, having a diameter of 1mm, to a grid body in which Sb of 2wt.% is added to Pb. This improves the adhesion between the grid body and active material. Liquid reduction can be prevented in the case of Pb-Sb alloy, and the lowering is also prevented in battery performance such as a life due to grid corrosion and the separation of the active material in the case of Pb-Ca alloy. Consequently, pure lead, having a problem in strength, and alloy, of a low Sb density, or of a low Ca concentration, having a problem in corrosion resistance, can be used.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、鉛蓄電池用格子体の製
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 for manufacturing a lead storage battery grid.

【０００２】[0002]

【従来の技術】従来、鉛蓄電池用格子体は、鉛またはＰ
ｂ−Ｃａ合金，Ｐｂ−Ｓｂ合金等で形成されていた。2. Description of the Related Art Conventionally, a lead-acid battery grid is made of lead or P.
It was formed of a b-Ca alloy, a Pb-Sb alloy, or the like.

【０００３】[0003]

【発明が解決しようとする課題】しかしながら、このよ
うな従来の鉛蓄電池用格子体ではいずれも欠点があり、
鉛蓄電池用格子体として要求される性質を完全に満足し
得るものではない。However, all of the conventional lead-acid battery grids described above have drawbacks.
The properties required as a lead-acid battery grid are not completely satisfactory.

【０００４】例えば純鉛の格子体は、耐食性に優れてい
るが、強度に問題点がある。Ｐｂ−Ｓｂ合金は、強度に
は優れているが、水素過電圧が低く、電解液の減少が起
こり易く、また耐食性の面でも問題点がある。Ｐｂ−Ｃ
ａ合金は、電解液の減少は少なく強度の面でも優れてい
るが、耐食性、特に深い充放電が繰り返されると粒界腐
食により格子体が変形し、その結果活物質の脱落や電槽
の破壊を引き起こす等の問題点がある。[0004] For example, a pure lead grid is excellent in corrosion resistance, but has a problem in strength. The Pb-Sb alloy is excellent in strength, but has a low hydrogen overvoltage, is likely to cause a decrease in the electrolytic solution, and has a problem in terms of corrosion resistance. Pb-C
Alloy a is excellent in terms of strength with little decrease in electrolyte, but corrosion resistance, especially when deep charging and discharging are repeated, the lattice body is deformed due to intergranular corrosion. There is a problem such as causing.

【０００５】本発明の目的は、格子体として必要な性
質、即ち耐食性や減液の面での問題点を改善でき、強度
的にも十分な鉛蓄電池用格子体の製造方法を提供するこ
とにある。An object of the present invention is to provide a method for manufacturing a grid for a lead storage battery, which can improve the properties required for the grid, that is, the problems in terms of corrosion resistance and liquid reduction, and have sufficient strength. is there.

【０００６】[0006]

【課題を解決するための手段】上記の目的を解決するた
めの本発明の手段を説明すると、本発明に係る鉛蓄電池
用格子体の製造方法は、鉛または鉛合金からなる鉛蓄電
池用格子体に微細な硬球を打ちつけることによって該格
子体を硬化させることを特徴とする。Means for Solving the Problems To explain the means of the present invention for solving the above-mentioned object, a method for producing a lead-acid battery grid according to the present invention comprises a lead-acid battery grid made of lead or lead alloy. It is characterized in that the lattice body is hardened by hitting fine hard spheres on.

【０００７】[0007]

【作用】鉛または鉛合金からなる格子体に微細な硬球を
打ちつけると、該格子体の表面は塑性変形して加工硬化
が起こる。また該格子体の表面状態は、硬球が打ちつけ
られたことによる変形により粗化される。When a fine hard sphere is hit on a grid body made of lead or a lead alloy, the surface of the grid body is plastically deformed and work hardening occurs. Further, the surface state of the lattice is roughened by deformation caused by hitting hard balls.

【０００８】[0008]

【実施例】以下、本発明に係る鉛蓄電池用格子体の製造
方法の一実施例を詳細に説明する。EXAMPLES An example of a method for manufacturing a grid for a lead storage battery according to the present invention will be described in detail below.

【０００９】鉛蓄電池用格子体は、Ｐｂ−Ｓｂ系合金の
場合、Ｐｂに３〜５重量％のＳｂを添加したものが多く
用いられている。Ｐｂ−Ｓｂ合金において、耐食性，減
液性を向上させるためには、Ｓｂ添加量を２重量％程度
に抑えなければならない。In the case of a Pb-Sb type alloy, the lead storage battery grid is often made by adding 3 to 5% by weight of Sb to Pb. In the Pb-Sb alloy, in order to improve the corrosion resistance and the liquid reducing property, the amount of Sb added must be suppressed to about 2% by weight.

【００１０】そこで、本実施例では、ＰｂにＳｂを２重
量％添加した格子体に、微細な硬球を打ちつけることに
よって該格子体を硬化させた。この場合、打ちつける硬
球としては直径１mmの鋳鋼を用い、垂直面内に1000 rpm
で回転する径500 mmの羽根車の遠心力を利用して該鋳鋼
を投射した。In view of this, in this embodiment, the grid body was hardened by hitting fine hard balls onto the grid body in which 2% by weight of Sb was added to Pb. In this case, cast steel with a diameter of 1 mm was used as the hard sphere to hit, and 1000 rpm in the vertical plane.
The cast steel was projected by utilizing the centrifugal force of an impeller having a diameter of 500 mm rotating at.

【００１１】このような処理を施すと、格子体の表面は
塑性変形して加工硬化が起こる。また該格子体の表面状
態は、硬球が打ちつけられたことによる変形により粗化
される。格子体の表面が粗化されると、該格子体と活物
質との密着性が向上する。When such a treatment is applied, the surface of the lattice is plastically deformed and work hardening occurs. Further, the surface state of the lattice is roughened by deformation caused by hitting hard balls. When the surface of the lattice is roughened, the adhesion between the lattice and the active material is improved.

【００１２】上記のような処理を施した格子体について
引張り強さを測定したところ、３kg／mm2 と従来までの
Ｐｂに３〜５重量％を添加した格子体の引張り強さと同
程度の値となった。When the tensile strength of the grid body treated as described above was measured, it was 3 kg / mm 2, which was about the same as the tensile strength of the conventional grid body in which 3 to 5% by weight was added to Pb. Became.

【００１３】Ｓｂ添加量と格子体の強度の関係を図１に
示した。The relationship between the amount of Sb added and the strength of the lattice is shown in FIG.

【００１４】このようにして鉛蓄電池用格子体の製造を
行うと、耐食性，減液性または強度の面でも良好な性質
をもつ格子体を提供できる。即ち、従来、耐食性，減液
性は優れているが、強度の面で問題があった純鉛や低Ｓ
ｂ濃度の合金や、耐食性に問題があった低Ｃａ濃度の合
金も使用できるようになる。また、格子体表面の粗化に
より、格子体と活物質の間の密着性の向上も大いに期待
できる。これによって、Ｐｂ−Ｓｂ合金の場合は減液を
防ぎ、Ｐｂ−Ｃａ合金の場合の格子腐食による寿命、活
物質の剥離による寿命等の電池性能の低下を防ぐことが
できる。When the grid body for a lead storage battery is manufactured in this manner, it is possible to provide a grid body having good properties in terms of corrosion resistance, liquid reduction property and strength. That is, although the conventional corrosion resistance and liquid reduction properties are excellent, pure lead and low S, which have problems in strength,
Alloys with a b concentration and alloys with a low Ca concentration, which had a problem in corrosion resistance, can also be used. Further, the roughening of the surface of the lattice can be expected to improve the adhesion between the lattice and the active material. With this, in the case of the Pb-Sb alloy, it is possible to prevent the liquid reduction, and to prevent the deterioration of the battery performance such as the life due to the lattice corrosion and the life due to the peeling of the active material in the case of the Pb-Ca alloy.

【００１５】[0015]

【発明の効果】以上説明したように、本発明に係る鉛蓄
電池用格子体の製造方法によれば、耐食性，減液性また
は強度の面でも良好な性質をもつ格子体を提供できる。
即ち、本発明によれば、従来、耐食性，減液性は優れて
いるが、強度の面で問題があった純鉛や低Ｓｂ濃度の合
金や、耐食性に問題があった低Ｃａ濃度の合金も使用す
ることができる。また、格子体表面の粗化により、格子
体と活物質の間の密着性も向上でき、これによってＰｂ
−Ｓｂ合金の場合は減液を防ぎ、Ｐｂ−Ｃａ合金の場合
の格子腐食による寿命、活物質の剥離による寿命等の電
池性能の低下を防ぐことができる。As described above, according to the method of manufacturing a grid for a lead storage battery of the present invention, it is possible to provide a grid having good properties in terms of corrosion resistance, liquid reduction property and strength.
That is, according to the present invention, pure lead or an alloy having a low Sb concentration, which has been conventionally excellent in corrosion resistance and liquid reduction but has a problem in strength, or an alloy having a low Ca concentration having a problem in corrosion resistance. Can also be used. Further, the roughening of the surface of the lattice body can improve the adhesion between the lattice body and the active material.
In the case of -Sb alloy, it is possible to prevent liquid reduction, and in the case of Pb-Ca alloy, it is possible to prevent deterioration of battery performance such as life due to lattice corrosion and life due to peeling of active material.

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

【図１】本発明による処理の有無によるＳｂ添加量と引
張り強さの関係を示した比較図である。FIG. 1 is a comparative diagram showing the relationship between the amount of Sb added and the tensile strength with and without the treatment according to the present invention.

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 鉛または鉛合金からなる鉛蓄電池用格子
体に微細な硬球を打ちつけることによって該格子体を硬
化させることを特徴とする鉛蓄電池用格子体の製造方
法。1. A method of manufacturing a grid for a lead storage battery, which comprises: hardening the grid by hitting fine hard balls onto the grid for a lead storage battery made of lead or a lead alloy.
JP4259397A 1992-09-29 1992-09-29 Manufacture of grid body for lead-acid battery Withdrawn JPH06111826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4259397A JPH06111826A (en) 1992-09-29 1992-09-29 Manufacture of grid body for lead-acid battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4259397A JPH06111826A (en) 1992-09-29 1992-09-29 Manufacture of grid body for lead-acid battery

Publications (1)

Publication Number Publication Date
JPH06111826A true JPH06111826A (en) 1994-04-22

Family

ID=17333569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4259397A Withdrawn JPH06111826A (en) 1992-09-29 1992-09-29 Manufacture of grid body for lead-acid battery

Country Status (1)

Country Link
JP (1) JPH06111826A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040920A3 (en) * 1997-03-12 1998-11-26 Tno Method for manufacturing a bipolar plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040920A3 (en) * 1997-03-12 1998-11-26 Tno Method for manufacturing a bipolar plate

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Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 19991130