JPH04184865A - Manufacture of electrode plate for lead acid battery - Google Patents
Manufacture of electrode plate for lead acid batteryInfo
- Publication number
- JPH04184865A JPH04184865A JP2315011A JP31501190A JPH04184865A JP H04184865 A JPH04184865 A JP H04184865A JP 2315011 A JP2315011 A JP 2315011A JP 31501190 A JP31501190 A JP 31501190A JP H04184865 A JPH04184865 A JP H04184865A
- Authority
- JP
- Japan
- Prior art keywords
- paste
- filling
- temperature
- electrode plate
- filling machine
- 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
- 239000002253 acid Substances 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 239000006185 dispersion Substances 0.000 abstract 2
- 238000004321 preservation Methods 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 10
- 230000000704 physical effect Effects 0.000 description 5
- 238000004898 kneading Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、鉛蓄電池用極板の製造方法の改良に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in a method for manufacturing electrode plates for lead-acid batteries.
［従来技術］
従来、鉛蓄電池用極板の製造は、鉛粉、水、及び硫酸、
場合により添加剤等を加え練合したペーストを格子に充
填することにより行っていた。この場合、充填時にペー
スト性状が不安定であると、充填性が変動し、ペースト
充填量のバラツキの原因の一つとなる。同じペースト性
状のペーストを練合しても、練合から充填までにペース
ト温度の変化に伴い、ペースト性状が変化することがあ
る。[Prior art] Conventionally, lead acid battery plates were manufactured using lead powder, water, sulfuric acid,
This was done by filling a lattice with a paste that was kneaded with additives added in some cases. In this case, if the paste properties are unstable during filling, the filling properties will fluctuate, which is one of the causes of variations in the amount of paste filling. Even if pastes with the same paste properties are kneaded, the paste properties may change due to changes in paste temperature between kneading and filling.
そのため、ペースト温度の変化を見込んで、練合時のペ
ースト性状を変えてペーストを製造しているが、このよ
うな調整法では、調整が不十分である。For this reason, pastes are manufactured by changing the paste properties during kneading in anticipation of changes in paste temperature, but such adjustment methods do not provide sufficient adjustment.
［発明が解決しようとする課題］
従来のこのような鉛蓄電池用極板の製造方法では、ペー
ストは所定量がバッチで製造されるため、練合後、直ぐ
に充填されるとは限らない。このため、保存中の温度の
影響を受け、ペースト性状が変化する。充填時にペース
ト性状が不安定であると充填性が変動し、ペースト充填
量のバラツキの原因の一つとなる。ペースト温度の変化
は主に外気温の影響を受け、夏・冬等の季節により異な
ると共に、冬期は外気温が低いためにペースト温度が低
下するが、保存容器の壁面と中央部ではペースト温度が
異なり、同一ロッドのペーストでもペースト性状が異な
る。そのため、充填性が変動し、充填量のバラツキが大
きくなったり、極板表面状態が劣化する等の問題点があ
った。[Problems to be Solved by the Invention] In the conventional method for producing electrode plates for lead-acid batteries, a predetermined amount of paste is produced in batches, so it is not always filled immediately after kneading. Therefore, the paste properties change under the influence of temperature during storage. If the paste properties are unstable during filling, the filling properties will fluctuate, which is one of the causes of variations in the amount of paste filling. Changes in paste temperature are mainly affected by the outside temperature, and differ depending on the season such as summer and winter.In winter, the paste temperature decreases due to the low outside temperature, but the paste temperature does not change on the walls and center of the storage container. Even if the paste is made from the same rod, the paste properties will be different. As a result, there were problems such as the filling property fluctuated, the filling amount increased, and the surface condition of the electrode plate deteriorated.
々本発明の目的は、ペーストの充填性の変動を防止でき
る鉛蓄電池用極板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 lead-acid battery plate that can prevent variations in the filling properties of the paste.
［課題を解決するための手段］
上記の目的を達成するための本発明の詳細な説明すると
、本発明は鉛粉、水、及び硫酸等を練合したペーストを
格子に充填する鉛蓄電池用極板の製造方法において、充
填時の前記ペーストの温度を一定に保つことを特徴とす
る。[Means for Solving the Problems] To explain in detail the present invention for achieving the above object, the present invention provides an electrode for lead-acid batteries in which a grid is filled with a paste made by mixing lead powder, water, sulfuric acid, etc. The method for manufacturing a plate is characterized in that the temperature of the paste during filling is kept constant.
［作用］
このようにすると、ペーストの格子への充填性が均一に
なり、充填量、初期容量のバラツキが減少すると共に寿
命性能も向上した。[Function] In this way, the filling properties of the paste into the lattice became uniform, the variation in the filling amount and initial capacity was reduced, and the life performance was also improved.
［実施例］
以下、本発明の実施例を図面を参照して詳細に説明する
。[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図は、本発明の方法を実施する鉛蓄電池用極板の製
造装置の一実施例を示したものである。FIG. 1 shows an embodiment of an apparatus for manufacturing electrode plates for lead-acid batteries, which implements the method of the present invention.
本実施例では、ペースト１の保存を兼ねたペースト供給
装置２からペースト充填機３ヘペースト１が供給され、
該ペースト充填機３の下に充填ベルト４により搬送され
て来た格子５に対して該ペースト充填機３からペースト
１が充填され、極板６が形成される。該極板６は、充填
ベルト４から搬送ローラ７に移されて次の工程に搬送さ
れる。In this embodiment, the paste 1 is supplied to the paste filling machine 3 from the paste supply device 2 which also serves as a storage for the paste 1.
The paste 1 is filled from the paste filling machine 3 into the grid 5 conveyed by the filling belt 4 below the paste filling machine 3, and the electrode plate 6 is formed. The electrode plate 6 is transferred from the filling belt 4 to a conveyance roller 7 and conveyed to the next process.
本実施例の鉛蓄電池用極板の製造装置では、充填時のペ
ースト温度をペースト充填機３の外周に設けたウォータ
ジャケット８で一定に保つようにしている。また、この
とき図示のように、ペースト供給装置２の外周にもウォ
ータジャケット９を取付けてペースト供給装置２の段階
から温度を制御すると、ペースト充填機３のペースト温
度の精度が更に向上する。In the lead-acid battery electrode plate manufacturing apparatus of this embodiment, the temperature of the paste during filling is kept constant by a water jacket 8 provided around the outer periphery of the paste filling machine 3. Further, as shown in the figure, if a water jacket 9 is also attached to the outer periphery of the paste supply device 2 and the temperature is controlled from the stage of the paste supply device 2, the accuracy of the paste temperature of the paste filling machine 3 is further improved.
ペースト物性は、第２図に示すように、温度により変化
する。該第２図は、同一ペーストでのペースト温度と針
入度の関係を示した図である。図示のように、ペースト
温度が高くなるにつれて針入度は小さくなる。また、逆
にペースト温度を低くすると、針入度が大きくなる。即
ち、針入度の変化は温度の上下に伴い可逆性が見られる
。The physical properties of the paste change depending on the temperature, as shown in FIG. FIG. 2 is a diagram showing the relationship between paste temperature and penetration degree for the same paste. As shown, the penetration becomes smaller as the paste temperature increases. Conversely, lowering the paste temperature increases the penetration. That is, the change in the penetration degree appears to be reversible as the temperature rises and falls.
第３図は、針入度とペースト充填後の極板不良り発生率
の関係を示したものである。図示のように、針入度が小
さくなると、ペースト１が硬くなり、格子５ヘペースト
１が完全に充填されない場合が生じ、それによる穴あき
等の極板不良が増加した。一方、針入度が大きくなると
、ペースト１が柔かくなり、ペースト１を格子５に充填
した後の搬送途中で極板６からペースト１が垂れたり、
或いは垂れ落ちて極板６に穴かあく等の極板不良が増加
した。このように、針入度の変化、つまりペースト物性
の変化により、ペースト１の格子５への充填状態が変っ
てくる。また、ペースト物性は、練合条件を変えれば変
るのは当然であるが、同一条件で同一ペースト物性のペ
ースト１を練合しても、充填時のペースト温度が変化す
ると、該ペースト物性が変化してしまうことは先に述べ
た通りである。FIG. 3 shows the relationship between the penetration degree and the incidence of defective electrode plates after filling with paste. As shown in the figure, when the penetration becomes smaller, the paste 1 becomes harder, and there are cases where the paste 1 is not completely filled into the grid 5, resulting in an increase in electrode plate defects such as holes. On the other hand, as the penetration increases, the paste 1 becomes softer, and the paste 1 may drip from the electrode plate 6 during transportation after filling the grid 5 with the paste 1.
Alternatively, electrode plate defects such as holes in the electrode plate 6 due to dripping have increased. In this way, the filling state of the paste 1 into the grid 5 changes depending on the change in the penetration degree, that is, the change in the physical properties of the paste. In addition, it is natural that the physical properties of the paste will change if the kneading conditions are changed, but even if paste 1 with the same paste physical properties is kneaded under the same conditions, the physical properties of the paste will change if the paste temperature during filling changes. What happens is as mentioned above.
本発明の方法及び従来の方法でのペースト１の充填結果
及び得られた極板６を使用して組立てた鉛蓄電池（３６
Ｂ２０ ）の初期容量及びＳＡＥ寿命試験結果を表１に
示す。A lead-acid battery (36
Table 1 shows the initial capacity and SAE life test results of B20).
表１
＊初期容量、ＳＡＥ寿命回数は３６Ｂ２０電池での試験
結果該表１から明らかなように、本発明の方法により充
填時のペースト温度範囲を１５〜２０°とすることによ
り、充填時バラツキが１／２以下に低下した。ただし、
ペースト温度範囲は、装置により若干最適範囲がづれる
。また、この極板を使用した鉛蓄電池の初期容量も、従
来方法で製造した極板を使用した鉛蓄電池よりバラツキ
が小さく、平均値が高かった。ＳＡＥ寿命試験の充放電
回数も、従来方法のものと比べ、高い値に揃っていた。Table 1 *Initial capacity and SAE life cycles are test results for 36B20 batteries.As is clear from Table 1, by using the method of the present invention and setting the paste temperature range during filling to 15 to 20°, variations during filling can be reduced. It decreased to 1/2 or less. however,
The optimum paste temperature range varies slightly depending on the equipment. In addition, the initial capacity of lead-acid batteries using this electrode plate had smaller variations and a higher average value than lead-acid batteries using electrode plates manufactured by conventional methods. The number of times of charging and discharging in the SAE life test was also higher than that of conventional methods.
［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極板の製造
方法では、充填時のペーストの温度を一定に保つので、
格子へのペーストの充填量のバラツキが減少し、初期容
量のバラツキを減少でき、寿命性能も向上できる利点が
ある。[Effects of the Invention] As explained above, in the method for manufacturing electrode plates for lead-acid batteries according to the present invention, the temperature of the paste during filling is kept constant;
This has the advantage that variations in the amount of paste filled into the grid can be reduced, variations in initial capacity can be reduced, and life performance can also be improved.
第１図は本発明に係る鉛蓄電池用極板の製造方法を実施
する装置の一実施例の概略構成を示す縦断面図、第２図
はペースト温度と針入度の関係を示す特性図、第３図は
針入度と充填後の極板不良発生率の関係を示す特性図で
ある。
１・・・ペースト、２・・・ペースト供給装置、３・・
・ペースト充填機、４・・・充填ベルト、５・・・格子
、６・・・極板、７・・・搬送ローラ、８，９・・・ウ
ォータジャケット。
第１図
ペースト温度Ａ度（Ｃ１
第３図
１１人１（−）FIG. 1 is a vertical cross-sectional view showing a schematic configuration of an embodiment of an apparatus for implementing the method for manufacturing electrode plates for lead-acid batteries according to the present invention, FIG. 2 is a characteristic diagram showing the relationship between paste temperature and penetration degree, FIG. 3 is a characteristic diagram showing the relationship between penetration and the incidence of electrode plate defects after filling. 1... Paste, 2... Paste supply device, 3...
・Paste filling machine, 4... Filling belt, 5... Grid, 6... Plate, 7... Conveyance roller, 8, 9... Water jacket. Figure 1 Paste temperature A degree (C1 Figure 3 11 people 1 (-)
Claims (1)
する鉛蓄電池用極板の製造方法において、充填時の前記
ペーストの温度を一定に保つことを特徴とする鉛蓄電池
用極板の製造方法。A method for producing an electrode plate for a lead-acid battery in which a grid is filled with a paste made by mixing lead powder, water, sulfuric acid, etc., characterized in that the temperature of the paste is kept constant during filling. Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2315011A JPH04184865A (en) | 1990-11-20 | 1990-11-20 | Manufacture of electrode plate for lead acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2315011A JPH04184865A (en) | 1990-11-20 | 1990-11-20 | Manufacture of electrode plate for lead acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04184865A true JPH04184865A (en) | 1992-07-01 |
Family
ID=18060347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2315011A Pending JPH04184865A (en) | 1990-11-20 | 1990-11-20 | Manufacture of electrode plate for lead acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04184865A (en) |
-
1990
- 1990-11-20 JP JP2315011A patent/JPH04184865A/en active Pending
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