JP2001273917A - Control-valve type lead-acid battery and its manufacturing method - Google Patents
Control-valve type lead-acid battery and its manufacturing methodInfo
- Publication number
- JP2001273917A JP2001273917A JP2000085732A JP2000085732A JP2001273917A JP 2001273917 A JP2001273917 A JP 2001273917A JP 2000085732 A JP2000085732 A JP 2000085732A JP 2000085732 A JP2000085732 A JP 2000085732A JP 2001273917 A JP2001273917 A JP 2001273917A
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- electrode plate
- paste
- acid battery
- retainer
- 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.)
- Abandoned
Links
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、制御弁式鉛蓄電池
及びそ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 control valve type lead-acid battery and a method of manufacturing the same.
【０００２】[0002]
【従来の技術】制御弁式鉛蓄電池は、無停電電源装置な
どの非常用電源として広く使用されている。なお、制御
弁式鉛蓄電池は高容量であり、高率放電特性に優れ、安
価なものが強く要求されている。2. Description of the Related Art A control valve type lead-acid battery is widely used as an emergency power supply for an uninterruptible power supply or the like. In addition, the control valve type lead-acid battery is required to have high capacity, excellent high-rate discharge characteristics, and inexpensive batteries.
【０００３】制御弁式鉛蓄電池を高容量化するには、リ
テーナを薄くして、正極板及び負極板の体積を増加させ
る手法が有効である。しかしながら、リテーナを薄くす
ると短絡しやすくなるという問題点がある。In order to increase the capacity of a control valve type lead-acid battery, it is effective to reduce the thickness of the retainer and increase the volume of the positive electrode plate and the negative electrode plate. However, there is a problem that the short circuit is easily caused when the retainer is thin.
【０００４】制御弁式鉛蓄電池の高率放電特性を向上さ
せるために、種々の手法が検討されてきた。特に、3CA
を超えるような高率放電特性を向上させるには、使用す
る正極板や負極板の枚数を増やして電極反応面積を大に
することや、リテーナと負極板間における電解液の拡散
を向上させることが有効である。Various techniques have been studied to improve the high-rate discharge characteristics of a control valve type lead-acid battery. In particular, 3CA
In order to improve the high-rate discharge characteristics, the number of positive and negative electrode plates used should be increased to increase the electrode reaction area, or to improve the diffusion of the electrolyte between the retainer and the negative electrode plate. Is valid.
【０００５】一方、制御弁式鉛蓄電池の低コスト化も強
く要求されている。制御弁式鉛蓄電池を低コスト化する
には、使用する正極板や負極板のコストを低減すること
が有効である。そこで、負極用集電体として、鋳造格子
に替えてエキスパンド格子を用いる手法が検討されてい
る。しかしながら、エキスパンド格子は鋳造格子に比べ
て、ペースト状活物質が脱落しやすいという問題点があ
る。そこで、ペースト式負極板の両面に、ペースト紙を
貼り付ける検討が特開平１０−３１９９９号公報などで
開示されている。On the other hand, there is also a strong demand for cost reduction of a control valve type lead storage battery. In order to reduce the cost of the control valve type lead-acid battery, it is effective to reduce the cost of the positive electrode plate and the negative electrode plate used. Therefore, a method of using an expanded grid instead of the cast grid as the current collector for the negative electrode has been studied. However, the expanded lattice has a problem that the paste-like active material is more likely to fall off than the cast lattice. Therefore, a study of pasting paste paper on both sides of a paste type negative electrode plate is disclosed in Japanese Patent Application Laid-Open No. 10-31999.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、ペース
ト紙は一般に使用されているリテーナに比べて薄いもの
の繊維密度が高く、その孔径も小さい。したがって、ペ
ースト紙の使用によって電解液の拡散性が悪くなり、電
池の内部抵抗の増加要因となっている。However, the paste paper is thinner than the generally used retainer, but has a higher fiber density and a smaller pore size. Therefore, the use of the paste paper deteriorates the diffusivity of the electrolytic solution, causing an increase in the internal resistance of the battery.
【０００７】本発明の目的は上記した問題点を解決する
ものであり、安価で高率放電特性に優れ、長寿命な制御
弁式鉛蓄電池を提供するものである。An object of the present invention is to solve the above-mentioned problems, and to provide a control valve type lead-acid battery which is inexpensive, has excellent high-rate discharge characteristics, and has a long service life.
【０００８】[0008]
【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、本発明では前記ペースト紙に替えて負極板側に
リテーナを貼り付けて使用するものである。In order to solve the above-mentioned problem, in the present invention, a retainer is attached to the negative electrode plate side in place of the above-mentioned paste paper.
【０００９】すなわち請求項１の発明では、ペースト式
正極板、ペースト式負極板及びセパレータを積層して電
極群を作製し、該電極群を用いる制御弁式鉛蓄電池にお
いて、前記ペースト式負極板は集電体としてエキスパン
ド格子を用い、該ペースト式負極板の両面には負極用リ
テーナが存在し、前記ペースト正極板の両面にはＵ字形
をした正極用リテーナが存在することを特徴としてい
る。That is, according to the first aspect of the present invention, a paste-type positive electrode plate, a paste-type negative electrode plate, and a separator are laminated to form an electrode group. In a control valve type lead-acid battery using the electrode group, the paste-type negative electrode plate is An expanded lattice is used as a current collector, and a paste-type negative electrode plate has a negative electrode retainer on both surfaces thereof, and a U-shaped positive electrode retainer exists on both surfaces of the paste positive electrode plate.
【００１０】請求項２の発明では、前記正極用リテーナ
の厚み寸法を、前記負極用リテーナの厚み寸法よりも、
厚くすることを特徴とし、請求項３発明では、前記正極
用リテーナの平面方向の寸法を、前記負極板の平面方向
の寸法よりも、大きくすることを特徴としている。In the second aspect of the present invention, the thickness of the positive electrode retainer is made larger than the thickness of the negative electrode retainer.
According to a third aspect of the present invention, the dimension of the positive electrode retainer in the planar direction is larger than the dimension of the negative electrode plate in the planar direction.
【００１１】請求項４の発明では、鉛合金製のシートを
エキスパンド加工した格子体にペースト状活物質を充填
して作製するペースト式負極板を用いた制御弁式鉛蓄電
池の製造方法において、前記格子体の一方の面に負極用
リテーナを存在させた状態で、前記格子体の他方の面か
らペースト状活物質を充填した後、その面に負極用リテ
ーナを貼りあわせた後、切断し、熟成・乾燥したペース
ト式負極板を用いることを特徴としている。According to a fourth aspect of the present invention, there is provided a method for manufacturing a control valve type lead-acid battery using a paste type negative electrode plate produced by filling a paste-like active material into a grid obtained by expanding a lead alloy sheet into an expanded grid. In a state where the negative electrode retainer is present on one surface of the lattice, after filling the paste-like active material from the other surface of the lattice, the negative electrode retainer is attached to the surface, and then cut and aged. -It is characterized by using a dried paste type negative electrode plate.
【００１２】[0012]
【発明の実施の形態】以下に、本発明の実施の形態を説
明する。Embodiments of the present invention will be described below.
【００１３】１．ペースト式負極板の作製 一酸化鉛を70〜80質量%含む鉛粉、リグニン、硫酸バリ
ウム、濃度が35質量%の希硫酸と水とを加えて混練し
て、負極用のペースト状活物質14を作製する。なお、負
極用のペースト状活物質は従来から使用していたもので
あるため、作製条件等の詳細は省略した。1. Preparation of Paste Type Negative Electrode Plate Lead powder containing 70 to 80% by mass of lead monoxide, lignin, barium sulfate, diluted sulfuric acid having a concentration of 35% by mass and water are added and kneaded to form a paste active material 14 for an anode. Is prepared. Since the paste-like active material for the negative electrode has been used in the past, the details of the production conditions and the like are omitted.
【００１４】本発明において、図３に示す製造工程で負
極板を作製した。すなわち、鉛−カルシウム−錫からな
る鉛合金シート10を、エキスパンド加工機11で加工し
て、最大厚みが約1.6mmのエキスパンド格子を作製し、
該エキスパンド格子の底面部には、厚みが0.4mmのガラ
ス繊維製の負極用リテーナ12aを当接した状態で充填機1
5に送り込む。In the present invention, a negative electrode plate was manufactured by the manufacturing process shown in FIG. That is, a lead alloy sheet 10 composed of lead-calcium-tin is processed by an expanding machine 11 to produce an expanded lattice having a maximum thickness of about 1.6 mm,
The bottom of the expanded lattice is filled with a filling machine 1 with a 0.4 mm thick glass fiber negative electrode retainer 12a in contact therewith.
Send to 5.
【００１５】充填機15では、前記エキスパンド格子の上
方からペースト状活物質14を充填する。なお、前記エキ
スパンド格子の底面部には負極用リテーナ12aが存在し
ているため、前記ペースト状活物質14の一部は前記負極
用リテーナ12aのガラス繊維に食い込んだ状態で充填さ
れる。The filling machine 15 fills the paste active material 14 from above the expanded lattice. Since the negative electrode retainer 12a is present on the bottom surface of the expanded lattice, a part of the paste-like active material 14 is filled while being cut into the glass fiber of the negative electrode retainer 12a.
【００１６】その後、前記エキスパンド格子の上面部に
厚みが0.4mmのガラス繊維製の負極用リテーナ12bを圧接
して、該負極用リテーナ12bに負極用のペースト状活物
質がガラス繊維に食い込んだ状態とし、その後、切断機
16を用いて一定の寸法（w40mm × l70mm）に切断する。
次に、このペースト式負極板を、24時間放置（大気中、
70℃）して熟成・乾燥をした。なお、負極用リテーナ12
a,bを薄くすることにより、この工程における作業性を
向上させることができる。Then, a 0.4 mm thick negative electrode retainer 12b made of glass fiber is pressed against the upper surface of the expanded lattice, and the paste active material for the negative electrode is cut into the glass fiber by the negative electrode retainer 12b. And then the cutting machine
Cut to a fixed size ( w 40 mm x l 70 mm) using 16.
Next, this paste type negative electrode plate is left for 24 hours (in the air,
(70 ° C) and aged and dried. In addition, the negative electrode retainer 12
By making a and b thin, workability in this step can be improved.
【００１７】２．正極板及び制御弁式鉛蓄電池の作製 従来から使用している正極板を用いた。この正極板は、
鋳造により作製した鉛合金製の格子体（w40mm × l70mm
× t3mm）からなる集電体に、ペースト状活物質を摺り
切り充填して作製したものである。2. Production of positive electrode plate and control valve type lead storage battery The positive electrode plate used conventionally was used. This positive plate is
Lead alloy grid made by casting ( w 40mm x l 70mm
× t 3 mm).
【００１８】前記した正極板1が４枚と負極板2が５枚と
を、厚さが0.6mmのＵ字形をしたガラス繊維製の正極用
リテーナ3を介して積層して電極群を組み立てる（図
１）。なお、電極の上部や側面部における短絡を防止す
るために、前記Ｕ字形をした正極用リテーナ3の厚さ
が、前記負極用リテーナ12a,bよりも厚くすること及
び、前記Ｕ字形をした正極用リテーナ3の平面方向の寸
法を負極用リテーナ12a、bの寸法よりも大きくした。そ
の後、従来の手法で該電極群を６個、電槽に組み込み、
溶接して直列接続する。そして、希硫酸電解液を注液
し、電槽化成をして7Ah-12Vの制御弁式鉛蓄電池を作製
した。An electrode group is assembled by laminating four positive electrode plates 1 and five negative electrode plates 2 via a U-shaped glass fiber positive electrode retainer 3 having a thickness of 0.6 mm (FIG. 1). (Fig. 1). The thickness of the U-shaped positive electrode retainer 3 is made larger than the negative electrode retainers 12a and 12b in order to prevent a short circuit at the top and side portions of the electrode, and the U-shaped positive electrode The dimension in the plane direction of the retainer 3 is made larger than the dimensions of the negative electrode retainers 12a and 12b. After that, the electrode group was assembled into a battery case by the conventional method,
Weld and connect in series. Then, a dilute sulfuric acid electrolyte was injected and formed into a battery case, thereby producing a 7 Ah-12 V control valve type lead storage battery.
【００１９】３．高率放電特性試験及び寿命試験 上記した制御弁式鉛蓄電池を満充電した後、3CA（21
A）、25℃で放電して初期の放電時間を測定した。その
後、満充電した後、60℃、2.275Vの定電圧で連続的に過
充電をする。そして、15日ごとに正極板と負極板との短
絡が起こっているか否かを測定した。3. High-rate discharge characteristic test and life test After fully charging the above-mentioned control valve type lead-acid battery, 3CA (21
A), discharge was performed at 25 ° C., and the initial discharge time was measured. Then, after fully charged, overcharge continuously at a constant voltage of 2.275V at 60 ° C. Then, every 15 days, it was measured whether a short circuit between the positive electrode plate and the negative electrode plate had occurred.
【００２０】[0020]
【実施例】以下に、本発明の実施例を詳細に示す。 （実施例）負極板の両面に負極用リテーナ12a,bを有す
る本発明の負極板を用いた。この負極板を用いた電極群
構造の概略図を図１に示す。その他の制御弁式鉛蓄電池
の作製条件や試験条件等は、上記したものである。 （比較例）負極板の両面にペースト紙を有する従来から
使用している負極板を用いた。この負極板を用いた電極
群構造の概略図を図２に示す。その他の制御弁式鉛蓄電
池の作製条件や試験条件等は、上記したものである。Embodiments of the present invention will be described below in detail. (Example) The negative electrode plate of the present invention having negative electrode retainers 12a and 12b on both sides of the negative electrode plate was used. FIG. 1 shows a schematic diagram of an electrode group structure using this negative electrode plate. Other manufacturing conditions and test conditions of the control valve type lead storage battery are as described above. (Comparative Example) A conventionally used negative electrode plate having paste paper on both sides of the negative electrode plate was used. FIG. 2 shows a schematic diagram of an electrode group structure using this negative electrode plate. Other manufacturing conditions and test conditions of the control valve type lead storage battery are as described above.
【００２１】表１に、本発明を用いた実施例及び比較例
の制御弁式鉛蓄電池の３ＣＡ放電時間及び寿命期間を示
す。本発明を用いると、高率放電特性に優れ、長寿命で
ある。本発明を用いた制御弁式鉛蓄電池が優れている理
由として、負極板の活物質層にガラス繊維が食い込んで
いるため、電解液の供給が良好となっているためと考え
られる。また、本発明は負極板にエキスパンド格子を用
いているため鋳造格子を用いた場合に比べて、製造コス
トを低減することができる。Table 1 shows the 3CA discharge time and the service life of the control valve type lead-acid batteries of Examples and Comparative Examples using the present invention. When the present invention is used, the high rate discharge characteristics are excellent and the life is long. It is considered that the reason why the control valve type lead-acid battery using the present invention is excellent is that the supply of the electrolytic solution is good because the active material layer of the negative electrode plate is bitten by the glass fiber. Further, since the present invention uses an expanded grid for the negative electrode plate, the manufacturing cost can be reduced as compared with the case where a cast grid is used.
【００２２】[0022]
【表１】 [Table 1]
【００２３】[0023]
【発明の効果】上述したように、本発明を用いることに
より安価で高率放電特性に優れ、長寿命な制御弁式鉛蓄
電池を提供することができる点で優れたものである。As described above, the use of the present invention is excellent in that a low-cost, high-rate discharge characteristic, and long-life control valve type lead storage battery can be provided.
【図１】本発明の電極群構造を示す概略図である。FIG. 1 is a schematic diagram showing an electrode group structure of the present invention.
【図２】従来の電極群構造を示す概略図である。FIG. 2 is a schematic view showing a conventional electrode group structure.
【図３】本発明の負極板の製造工程を示す概略図であ
る。FIG. 3 is a schematic view illustrating a manufacturing process of a negative electrode plate of the present invention.
１：正極板、 ２：負極板、 ３：正極用リテーナ、
４：ペースト紙 １０：鉛合金シート、１１：エキスパンド加工機、１２
ａ、ｂ：負極用リテーナ、１３：ベルト、１４：ペース
ト状活物質、１５：充填機、１６：切断機1: positive electrode plate, 2: negative electrode plate, 3: positive electrode retainer,
4: Paste paper 10: Lead alloy sheet, 11: Expanding machine, 12
a, b: negative electrode retainer, 13: belt, 14: paste-like active material, 15: filling machine, 16: cutting machine
Claims (4)
セパレータを積層して電極群を作製し、該電極群を用い
る制御弁式鉛蓄電池において、前記ペースト式負極板は
集電体としてエキスパンド格子を用い、該ペースト式負
極板の両面には負極用リテーナが存在し、前記ペースト
正極板の両面にはＵ字形をした正極用リテーナが存在す
ることを特徴とする制御弁式鉛蓄電池。1. A control valve type lead-acid battery using an electrode group by laminating a paste type positive electrode plate, a paste type negative electrode plate, and a separator, wherein the paste type negative electrode plate is an expanded grid as a current collector. Wherein the paste-type negative electrode plate has a negative electrode retainer on both surfaces thereof, and the paste positive electrode plate has U-shaped positive electrode retainers on both surfaces thereof.
極用リテーナの厚み寸法よりも、厚くすることを特徴と
する制御弁式鉛蓄電池。2. The control valve type lead-acid battery according to claim 1, wherein the thickness of the positive electrode retainer is greater than the thickness of the negative electrode retainer.
前記負極板の平面方向の寸法よりも、大きくすることを
特徴とする制御弁式鉛蓄電池。3. The dimension of the positive electrode retainer in the plane direction is as follows:
A control valve-type lead-acid battery, wherein the size of the negative electrode plate is larger than a dimension in a plane direction.
格子体にペースト状活物質を充填して作製するペースト
式負極板を用いた制御弁式鉛蓄電池の製造方法におい
て、前記格子体の一方の面に負極用リテーナを存在させ
た状態で、前記格子体の他方の面からペースト状活物質
を充填した後、その面に負極用リテーナを貼りあわせた
後、切断し、熟成・乾燥したペースト式負極板を用いる
ことを特徴とする制御弁式鉛蓄電池の製造方法。4. A method of manufacturing a control valve type lead-acid battery using a paste type negative electrode plate prepared by filling a paste-like active material into a grid body obtained by expanding a lead alloy sheet into an expanded grid body. In the state where the negative electrode retainer is present on the surface, after filling the paste-like active material from the other surface of the lattice body, after attaching the negative electrode retainer to the surface, cut, aged and dried A method for producing a control valve type lead-acid battery, comprising using a negative electrode plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000085732A JP2001273917A (en) | 2000-03-27 | 2000-03-27 | Control-valve type lead-acid battery and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000085732A JP2001273917A (en) | 2000-03-27 | 2000-03-27 | Control-valve type lead-acid battery and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001273917A true JP2001273917A (en) | 2001-10-05 |
Family
ID=18602012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000085732A Abandoned JP2001273917A (en) | 2000-03-27 | 2000-03-27 | Control-valve type lead-acid battery and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001273917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006351461A (en) * | 2005-06-20 | 2006-12-28 | Shin Kobe Electric Mach Co Ltd | Manufacturing method of sheet-like electrode plate for lead-acid battery |
-
2000
- 2000-03-27 JP JP2000085732A patent/JP2001273917A/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006351461A (en) * | 2005-06-20 | 2006-12-28 | Shin Kobe Electric Mach Co Ltd | Manufacturing method of sheet-like electrode plate for lead-acid battery |
| JP4609194B2 (en) * | 2005-06-20 | 2011-01-12 | 新神戸電機株式会社 | Method for producing sheet electrode plate for lead acid battery |
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