JP2002352848A - Lead storage cell with control valve - Google Patents
Lead storage cell with control valveInfo
- Publication number
- JP2002352848A JP2002352848A JP2001155483A JP2001155483A JP2002352848A JP 2002352848 A JP2002352848 A JP 2002352848A JP 2001155483 A JP2001155483 A JP 2001155483A JP 2001155483 A JP2001155483 A JP 2001155483A JP 2002352848 A JP2002352848 A JP 2002352848A
- Authority
- JP
- Japan
- Prior art keywords
- electrode plate
- positive electrode
- retainer
- control valve
- valve type
- 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)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、安全弁で電槽内の
圧力を制御している制御弁式鉛蓄電池に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control valve type lead-acid battery in which the pressure in a battery case is controlled by a safety valve.
【０００２】[0002]
【従来の技術】制御弁式鉛蓄電池は、安価で信頼性が高
いという特徴を有するため、無停電電源装置や自動車用
バッテリー等に広く使用されている。近年、特に機器の
小形化、高出力化が求められている。2. Description of the Related Art A control valve type lead storage battery is widely used in an uninterruptible power supply, a battery for an automobile, and the like because of its features of being inexpensive and highly reliable. In recent years, particularly, downsizing and high output of devices have been required.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、この制
御弁式鉛蓄電池は、正極板と負極板が極板群の下端部や
側面で短絡して寿命となる問題点があった。However, this control valve type lead-acid battery has a problem in that the positive electrode plate and the negative electrode plate are short-circuited at the lower end and side surfaces of the electrode plate group, so that the life thereof is extended.
【０００４】本発明の目的は、短絡が生じ難く、出力性
能が優れ、生産し易い制御弁式鉛蓄電池を得ることにあ
る。An object of the present invention is to provide a control valve type lead-acid battery which is less likely to cause a short circuit, has excellent output performance, and is easy to produce.
【０００５】[0005]
【課題を解決するための手段】本発明は、正極板と負極
板をリテーナを介して積層した極板群が電槽内に収容さ
れて構成されている制御弁式鉛蓄電池を改良するもので
ある。SUMMARY OF THE INVENTION The present invention is to improve a control valve type lead-acid battery in which an electrode plate group in which a positive electrode plate and a negative electrode plate are laminated via a retainer is accommodated in a battery case. is there.
【０００６】本発明の制御弁式鉛蓄電池では、正極板は
Ｕ字状をなすリテーナ内に配置されて該正極板の下端部
は該リテーナの折返し部で覆われ、且つ正極板と負極板
の側面は蛇行状をなす１枚のリテーナで交互に覆われて
いることを特徴とする。In the lead-acid storage battery of the present invention, the positive electrode plate is disposed in a U-shaped retainer, and the lower end of the positive electrode plate is covered with the folded portion of the retainer. The side surfaces are alternately covered with one meandering retainer.
【０００７】このように各正極板の下端部をＵ字状をな
すリテーナの折返し部で覆い、且つ正極板と負極板の側
面を蛇行状をなす１枚のリテーナで交互に覆うと、短絡
事故が生じ難くなる。また、正極板と負極板の側面を、
蛇行状をなす１枚のリテーナで交互に覆うと、正極板と
負極板の側面を別のリテーナで覆うよりも生産スピード
を速めることができ、作業性がよくなって鉛蓄電池の製
造も容易に行うことができる。[0007] If the lower end of each positive electrode plate is covered with the folded portion of the U-shaped retainer and the side surfaces of the positive electrode plate and the negative electrode plate are alternately covered with one meandering retainer, a short circuit accident will occur. Is less likely to occur. Also, the side surfaces of the positive electrode plate and the negative electrode plate
When alternately covered with a single meandering retainer, the production speed can be increased as compared to covering the side surfaces of the positive electrode plate and the negative electrode plate with another retainer, workability is improved, and production of lead-acid batteries is facilitated. It can be carried out.
【０００８】また、本発明の制御弁式鉛蓄電池では、正
極板を覆ったリテーナの折返し部が正極板の下端部から
３ｍｍ以上飛び出していることを特徴とする。In the control valve type lead-acid battery according to the present invention, the folded portion of the retainer covering the positive electrode plate protrudes from the lower end portion of the positive electrode plate by 3 mm or more.
【０００９】このように正極板を覆ったリテーナの折返
し部が正極板の下端部から３ｍｍ以上飛び出している
と、正極板の伸びに対応でき、サイクル特性に優れた制
御弁式鉛蓄電池を得ることができる。When the folded portion of the retainer covering the positive electrode plate protrudes 3 mm or more from the lower end of the positive electrode plate, a control valve type lead-acid battery that can cope with the elongation of the positive electrode plate and has excellent cycle characteristics can be obtained. Can be.
【００１０】また、本発明の制御弁式鉛蓄電池では、正
極板と負極板の側面を覆うリテーナの密度が、正極板の
下端部を覆ったリテーナの密度より小さくなっているこ
とを特徴とする。In the control valve type lead-acid battery according to the present invention, the density of the retainer covering the side surfaces of the positive electrode plate and the negative electrode plate is smaller than the density of the retainer covering the lower end portion of the positive electrode plate. .
【００１１】このように負極板と正極板の側面を覆うリ
テーナの密度が、正極板の下端部を覆ったリテーナの密
度より小さくなっていると、高率放電特性に優れた制御
弁式鉛蓄電池を得ることができる。As described above, when the density of the retainer covering the side surfaces of the negative electrode plate and the positive electrode plate is lower than the density of the retainer covering the lower end portion of the positive electrode plate, the control valve type lead storage battery having excellent high rate discharge characteristics. Can be obtained.
【００１２】[0012]
【発明の実施の形態】図１は本発明に係る制御弁式鉛蓄
電池の実施の形態の一例での極板群の構成を示した斜視
図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing a structure of an electrode plate group in an example of an embodiment of a control valve type lead-acid battery according to the present invention.
【００１３】本例の制御弁式鉛蓄電池では、正極板１と
負極板２が交互に配置されている。正極板１はＵ状をな
すリテーナ３の中に入れら、該正極板１の下端部は該リ
テーナ３の折返し部３ａで覆われている。また正極板１
と負極板２の側面は１枚の蛇行状をなすリテーナ４で交
互に覆われている。正極板１を覆ったリテーナ３の折返
し部３ａは、正極板１の下端部からｄ＝３ｍｍ以上飛び
出した状態になっている。使用するリテーナとしては、
密度が0.2 ｇ／ｃｍ３ のものと、密度が0.15ｇ／ｃｍ
３ のものとの２種類用いた。負極板２と正極板１の側
面を覆うリテーナ４の密度が、正極板１の下端部を覆っ
たリテーナ３の密度より小さくなっている。このような
正極板１と負極板２とリテーナ３，４で極板群５が形成
され、該極板群５は図示しない電槽内に収容され、電槽
の上部の開口部が蓋で閉塞され、電槽内に電解液が注液
され、電槽化成が行われ、制御弁式鉛蓄電池が完成す
る。In the control valve type lead-acid battery of this embodiment, the positive electrode plates 1 and the negative electrode plates 2 are alternately arranged. The positive electrode plate 1 is placed in a U-shaped retainer 3, and the lower end of the positive electrode plate 1 is covered with a folded portion 3 a of the retainer 3. Positive electrode plate 1
And the side surfaces of the negative electrode plate 2 are alternately covered with one meandering retainer 4. The folded portion 3 a of the retainer 3 covering the positive electrode plate 1 is in a state of protruding from the lower end of the positive electrode plate 1 by d = 3 mm or more. As the retainer to use,
With a density of 0.2 g / cm 3 and a density of 0.15 g / cm 3
Two of the three were used. The density of the retainer 4 that covers the side surfaces of the negative electrode plate 2 and the positive electrode plate 1 is smaller than the density of the retainer 3 that covers the lower end of the positive electrode plate 1. The electrode plate group 5 is formed by the positive electrode plate 1, the negative electrode plate 2, and the retainers 3 and 4, and the electrode plate group 5 is housed in a battery case (not shown), and an upper opening of the battery case is closed with a lid. Then, the electrolytic solution is injected into the battery case, the battery case is formed, and the control valve type lead storage battery is completed.
【００１４】[0014]
【実施例】（ａ）極板の作成 一酸化鉛を約75質量％含む鉛粉を３ｋｇ，該鉛粉質量に
対してリグニン粉末を0.2 質量％、硫酸バリウム粉末を
１質量％、濃度が35質量％の希硫酸を250 ｍｌに適量の
水を加えて混練し、負極用のペースト状活物質を作成し
た。そして、ＪＩＳ規格の針入度測定装置（離合社製）
を用いて、それぞれの負極用ペースト活物質について針
入度の測定を行い、適量の水を添加することによりその
針入度を80〜120 ｍｍ−１に調整した。なお、負極活物
質の比表面積の測定装置（ASA-2000型、柴田科学機械工
業製）を用いた。(A) Preparation of an electrode plate 3 kg of lead powder containing about 75% by weight of lead monoxide, 0.2% by weight of lignin powder, 1% by weight of barium sulfate powder and a concentration of 35% by weight of the lead powder. An appropriate amount of water was added to 250 ml of diluted sulfuric acid of mass% and kneaded to prepare a paste active material for a negative electrode. And a JIS standard penetration measuring device (manufactured by Rigosha)
The penetration was measured for each of the paste active materials for a negative electrode, and the penetration was adjusted to 80 to 120 mm -1 by adding an appropriate amount of water. In addition, a measuring device (ASA-2000 type, manufactured by Shibata Kagaku Kikai Co., Ltd.) for the specific surface area of the negative electrode active material was used.
【００１５】作成した負極用ペースト活物質を、幅67mm
×高さ75ｍｍ×厚み2.0 ｍｍの鉛−カルシウム合金製の
格子体に充填し、40℃、相対湿度98％の大気中で24ｈ熟
成し、16ｈ乾燥させて未化成の負極板２を作成した。The prepared negative electrode paste active material is 67 mm wide.
A grid made of a lead-calcium alloy having a height of 75 mm and a thickness of 2.0 mm was filled, aged in an atmosphere of 40 ° C. and a relative humidity of 98% for 24 hours, and dried for 16 hours to prepare an unformed negative electrode plate 2.
【００１６】（ｂ）制御弁式鉛蓄電池の作成 正極板１、負極板２は、それぞれ従来から使用している
ペーストを幅67mm×高さ75ｍｍ×厚み2.0 ｍｍの鉛−カ
ルシウム合金製の格子体に充填し、40℃、相対湿度98％
の大気中で24ｈ熟成し、16ｈ乾燥させて未化成の極板を
作成した。作成した未化成の負極板２が４枚と未化成の
正極板１が３枚とを、ガラス繊維製のリテーナを介して
表１のように積層して極板群５を組立て、該極板群５を
ＡＢＳ製の電槽に組み込み、蓋をし、比重が1.21（20
℃）の希硫酸電解液を注入する。その後、充電量が250
％，化成時間が20ｈ、周囲温度が40℃の条件で電槽化成
をして、公称容量が７Ａｈ−２Ｖの小形制御弁式鉛蓄電
池を作成した。(B) Preparation of a Lead Valve Battery of Control Valve Type The positive electrode plate 1 and the negative electrode plate 2 are each made of a conventional paste-based grid made of a lead-calcium alloy having a width of 67 mm, a height of 75 mm and a thickness of 2.0 mm. , 40 ℃, relative humidity 98%
For 24 hours and dried for 16 hours to prepare an unformed electrode plate. An electrode group 5 was assembled by laminating four unformed negative electrode plates 2 and three unformed positive electrode plates 1 via a glass fiber retainer as shown in Table 1. Group 5 was assembled in an ABS battery case, covered, and had a specific gravity of 1.21 (20
℃) dilute sulfuric acid electrolyte solution. Then charge 250
%, The formation time was 20 hours, and the ambient temperature was 40 ° C., to form a small control valve type lead-acid battery having a nominal capacity of 7 Ah-2V.
【００１７】[0017]
【表１】 なお、正極板１と負極板２の側面を覆うリテーナ４は、
１枚なので連続的に生産できる。このため、各正極板１
をＵ字状をなすリテーナ３で覆った後に、正極板１と負
極板２の側面を１枚の蛇行状をなすリテーナ４で覆う
と、正極板１と負極板２の側面を別のリテーナで覆うよ
りも生産スピードを速めることができる利点も有する。[Table 1] The retainer 4 that covers the side surfaces of the positive electrode plate 1 and the negative electrode plate 2
Since it is one piece, it can be produced continuously. Therefore, each positive electrode plate 1
Is covered with a U-shaped retainer 3, and then the side surfaces of the positive electrode plate 1 and the negative electrode plate 2 are covered with one meandering retainer 4. Then, the side surfaces of the positive electrode plate 1 and the negative electrode plate 2 are covered with another retainer. It also has the advantage that the production speed can be faster than covering.
【００１８】（ｃ）試験方法 作成した実施例１〜３及び比較例１の各小形制御弁式鉛
蓄電池は、初期の放電時間を測定した後にサイクル試験
をした。(C) Test Method Each of the small control valve type lead storage batteries of Examples 1 to 3 and Comparative Example 1 was subjected to a cycle test after measuring the initial discharge time.
【００１９】即ち、これらの小形制御弁式鉛蓄電池は、
25℃の温度環境で、３ＣＡ（21Ａ）の定電流で放電（放
電終止電圧：1.5 Ｖ）して初期の放電時間を測定する。That is, these small control valve type lead-acid batteries are:
In a temperature environment of 25 ° C., discharge is performed at a constant current of 3 CA (21 A) (discharge end voltage: 1.5 V), and an initial discharge time is measured.
【００２０】その後、60℃の環境温度下で、2.33Ｖの定
電圧で２分間の充電（ただし、制限電流：５Ａ）をした
後、0.2 ＣＡ（1.4 Ａ）の定電流で１分間の放電を繰り
返すサイクル寿命試験をした。Then, after charging at a constant voltage of 2.33 V for 2 minutes (limited current: 5 A) at an environment temperature of 60 ° C., discharging at a constant current of 0.2 CA (1.4 A) for 1 minute. The cycle life test was repeated.
【００２１】そして、10000 サイクル毎に、25℃の温度
環境で、３ＣＡ（21Ａ）の定電流で放電（放電終止電
圧：1.5 Ｖ）して放電時間を測定し、初期の放電時間の
70％になった時点を寿命とした。一方、寿命となってい
ない小形制御弁式鉛蓄電池については、前述した条件で
サイクル寿命試験を継続した。これらの試験結果を表２
に示す。Then, the discharge time was measured at a constant current of 3 CA (21 A) (discharge end voltage: 1.5 V) at a temperature environment of 25 ° C. every 10,000 cycles, and the discharge time was measured.
The time when it reached 70% was defined as the life. On the other hand, the cycle life test was continued for the small control valve type lead storage battery whose life was not reached under the above-described conditions. Table 2 shows the results of these tests.
Shown in
【００２２】[0022]
【表２】 表２のように実施例１の小形制御弁式鉛蓄電池のサイク
ル寿命が、比較例１に比べて優れている。つまり、極板
群５において、各正極板１の下端部をＵ字状をなすリテ
ーナ３の折返し部３ａでそれぞれ覆い、且つ正極板１と
負極板２の側面を１枚の蛇行状をなすリテーナ４で交互
に覆うことによって、正極板１の下端部での短絡が起こ
り難くなったためと考えられる。[Table 2] As shown in Table 2, the cycle life of the small control valve type lead-acid battery of Example 1 is superior to that of Comparative Example 1. That is, in the electrode plate group 5, the lower end of each positive electrode plate 1 is covered with the folded portion 3 a of the U-shaped retainer 3, and the side surfaces of the positive electrode plate 1 and the negative electrode plate 2 form one meandering retainer. It is considered that short-circuiting at the lower end of the positive electrode plate 1 was less likely to occur by alternately covering with the positive electrode 4.
【００２３】また、実施例２より、正極板１の下端部を
覆うＵ字状をなすリテーナ３の折返し部３ａの該正極板
１の下端部からの突出長を３ｍｍ以上とすることによっ
て、さらに短絡が起こり難くなり、制御弁式鉛蓄電池を
より長寿命化することができる。Further, according to the second embodiment, the length of the folded portion 3a of the U-shaped retainer 3 covering the lower end portion of the positive electrode plate 1 protruding from the lower end portion of the positive electrode plate 1 is set to 3 mm or more. Short circuit is less likely to occur, and the life of the control valve type lead storage battery can be further extended.
【００２４】加えて、実施例３より、正極板１と負極板
２の側面を覆うリテーナ４の密度を、正極板１のみをそ
の下端部を含めて覆うリテーナ３の密度より小さくする
ことによって、３ＣＡ放電特性（高率放電特性）に優れ
た制御弁式鉛蓄電池を得ることができる。In addition, according to the third embodiment, the density of the retainer 4 that covers the side surfaces of the positive electrode plate 1 and the negative electrode plate 2 is made smaller than the density of the retainer 3 that covers only the positive electrode plate 1 including its lower end. A control valve type lead storage battery having excellent 3CA discharge characteristics (high-rate discharge characteristics) can be obtained.
【００２５】この理由として、制御弁式鉛蓄電池の高率
放電特性は、負極板２への希硫酸電解液の供給量が律速
となることが知られている。そして、正極板１と負極板
２の側面を覆うリテーナ４の密度を、正極板１のみをそ
の下端部を含めて覆うリテーナ３の密度より小さくする
ことによって、リテーナ３に含まれる希硫酸電解液が負
極板２に容易に供給できる構造になったためと考えられ
る。For this reason, it is known that the supply rate of the dilute sulfuric acid electrolyte to the negative electrode plate 2 is rate-limiting in the high-rate discharge characteristics of the control valve type lead-acid battery. Then, by making the density of the retainer 4 covering the side surfaces of the positive electrode plate 1 and the negative electrode plate 2 smaller than the density of the retainer 3 covering only the positive electrode plate 1 including its lower end, the diluted sulfuric acid electrolyte contained in the retainer 3 This is considered to be due to a structure that can be easily supplied to the negative electrode plate 2.
【００２６】なお、本実施例の形態では、正極板１／負
極板２：３枚／４枚の構成で７Ａｈの放電容量を有する
２Ｖの制御弁式鉛蓄電池について示したが、本発明はこ
れらの正，負極板の枚数、放電容量及び単電池／組電池
の別に限定されるものではない。In this embodiment, a control valve type lead-acid battery of 2 V having a discharge capacity of 7 Ah in a configuration of positive electrode plate 1 / negative electrode plate 2: 3 sheets / 4 sheets has been described. However, the present invention is not limited to the number of positive and negative plates, the discharge capacity, and the unit cells / batteries.
【００２７】[0027]
【発明の効果】本発明の制御弁式鉛蓄電池では、各正極
板の下端部をＵ字状をなすリテーナの折返し部で覆い、
且つ正極板と負極板の側面を蛇行状をなす１枚のリテー
ナで交互に覆ったので、短絡事故を防止することができ
る。また、正極板と負極板の側面を、蛇行状をなす１枚
のリテーナで交互に覆っているので、正極板と負極板の
側面を別のリテーナで覆うよりも生産スピードを速める
ことができ、作業性がよくなって鉛蓄電池の製造も容易
に行うことができる。In the control valve type lead-acid battery according to the present invention, the lower end of each positive electrode plate is covered with a folded portion of a U-shaped retainer,
In addition, since the side surfaces of the positive electrode plate and the negative electrode plate are alternately covered with a single meandering retainer, a short circuit accident can be prevented. In addition, since the side surfaces of the positive electrode plate and the negative electrode plate are alternately covered with a single meandering retainer, the production speed can be increased as compared to covering the side surfaces of the positive electrode plate and the negative electrode plate with another retainer, Workability is improved, and lead-acid batteries can be easily manufactured.
【００２８】また、本発明の制御弁式鉛蓄電池で、正極
板を覆ったリテーナの折返し部が正極板の下端部から３
ｍｍ以上飛び出していると、正極板の伸びに対応でき、
サイクル特性に優れた制御弁式鉛蓄電池を得ることがで
きる。In the control valve type lead-acid battery according to the present invention, the folded portion of the retainer covering the positive electrode plate is three times from the lower end of the positive electrode plate.
mm or more, it can cope with the elongation of the positive electrode plate,
A control valve type lead storage battery having excellent cycle characteristics can be obtained.
【００２９】また、本発明の制御弁式鉛蓄電池で、正極
板と負極板の側面を覆うリテーナの密度が、正極板の下
端部を覆ったリテーナの密度より小さくなっていると、
高率放電特性に優れた制御弁式鉛蓄電池を得ることがで
きる。In the control valve type lead-acid battery of the present invention, if the density of the retainer covering the side surfaces of the positive electrode plate and the negative electrode plate is smaller than the density of the retainer covering the lower end of the positive electrode plate,
A control valve type lead-acid battery having excellent high-rate discharge characteristics can be obtained.
【図１】本発明に係る制御弁式鉛蓄電池の実施の形態の
一例の極板群の斜視図である。FIG. 1 is a perspective view of an electrode group as an example of an embodiment of a control valve type lead-acid battery according to the present invention.
１ 正極板 ２ 負極板 ３，４ リテーナ ５ 極板群 DESCRIPTION OF SYMBOLS 1 Positive electrode plate 2 Negative electrode plate 3, 4 Retainer 5 Electrode plate group
───────────────────────────────────────────────────── フロントページの続き (72)発明者 ▲伝▼馬 寛一 東京都中央区日本橋本町２丁目８番７号 新神戸電機株式会社内 Ｆターム(参考） 5H028 AA08 CC08 HH03 HH05 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor ▲ Den ▼ Kenichi Ma 2-8-7 Nihonbashi Honcho, Chuo-ku, Tokyo F-term in Shin-Kobe Electric Co., Ltd. 5H028 AA08 CC08 HH03 HH05
Claims (3)
した極板群が電槽内に収容されて構成されている制御弁
式鉛蓄電池において、 前記正極板はＵ字状をなすリテーナ内に配置されて該正
極板の下端部は該リテーナの折返し部で覆われ、且つ前
記正極板と前記負極板の側面は蛇行状をなす１枚のリテ
ーナで交互に覆われてい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 in which an electrode plate group in which a positive electrode plate and a negative electrode plate are stacked via a retainer is accommodated in a battery case, wherein the positive electrode plate is formed in a U-shaped retainer. And the lower end of the positive electrode plate is covered with a folded part of the retainer, and the side surfaces of the positive electrode plate and the negative electrode plate are alternately covered with one meandering retainer. Control valve type lead-acid battery.
し部が前記正極板の下端部から３ｍｍ以上飛び出してい
ることを特徴とする請求項１に記載の制御弁式鉛蓄電
池。2. The control valve type lead-acid battery according to claim 1, wherein a folded portion of the retainer that covers the positive electrode plate protrudes by 3 mm or more from a lower end portion of the positive electrode plate.
記リテーナの密度が、前記正極板の下端部を覆った前記
リテーナの密度より小さくなっていることを特徴とする
請求項１または２に記載の制御弁式鉛蓄電池。3. A density of the retainer covering the side surfaces of the positive electrode plate and the negative electrode plate is lower than a density of the retainer covering a lower end portion of the positive electrode plate. A lead-acid battery of the control valve type according to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001155483A JP2002352848A (en) | 2001-05-24 | 2001-05-24 | Lead storage cell with control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001155483A JP2002352848A (en) | 2001-05-24 | 2001-05-24 | Lead storage cell with control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002352848A true JP2002352848A (en) | 2002-12-06 |
Family
ID=18999663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001155483A Abandoned JP2002352848A (en) | 2001-05-24 | 2001-05-24 | Lead storage cell with control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002352848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079175A1 (en) * | 2012-11-20 | 2014-05-30 | 深圳市雄韬电源科技股份有限公司 | Lead-acid storage battery and electrode plate and wrapped plate structure thereof |
-
2001
- 2001-05-24 JP JP2001155483A patent/JP2002352848A/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079175A1 (en) * | 2012-11-20 | 2014-05-30 | 深圳市雄韬电源科技股份有限公司 | Lead-acid storage battery and electrode plate and wrapped plate structure thereof |
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