JP2000340220A - Manufacturing method of control valve type lead storage battery - Google Patents
Manufacturing method of control valve type lead storage batteryInfo
- Publication number
- JP2000340220A JP2000340220A JP11148004A JP14800499A JP2000340220A JP 2000340220 A JP2000340220 A JP 2000340220A JP 11148004 A JP11148004 A JP 11148004A JP 14800499 A JP14800499 A JP 14800499A JP 2000340220 A JP2000340220 A JP 2000340220A
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- battery
- electrode plate
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000002253 acid Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 15
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001882 dioxygen Inorganic materials 0.000 abstract description 13
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory 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
【０００１】[0001]
【発明の属する技術分野】本発明は、鉛蓄電池の製造方
法、特に電槽化成の工程を経る制御弁式鉛蓄電池の製造
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-acid battery, and more particularly to a method for manufacturing a control valve-type lead-acid battery through a battery forming process.
【０００２】[0002]
【従来の技術】鉛蓄電池は、未化成の正、負極板の両方
を化成槽中で化成し、これら化成済みの極板を用いて製
造する方法と、未化成の正、負極板の両方を用いて電池
を構成した後、化成と初充電を同時に行う、いわゆる電
槽化成（ケースフォーメーション）により製造する方法
とがある。2. Description of the Related Art A lead-acid battery is formed by forming both unformed positive and negative electrodes in a chemical conversion tank, and using these formed electrode plates. There is a method of manufacturing by using a so-called battery case formation (case formation) in which formation and initial charging are performed at the same time after forming a battery using the battery.
【０００３】[0003]
【発明が解決しようとする課題】上記何れの方法におい
ても、化成工程の終期でガスの発生量が多くなる。この
ガス発生は、負極板よりも正極板の方が著しい。正極板
は、未化成の状態から完全充電に至るまで、充電率にも
よるが、理論容量の２００％前後の電気量が必要であ
り、負極板のそれ（１３０％前後）に比べ多い。これ
は、正極板が化成終期に近づくに従い、充電に消費され
る電気量より酸素ガス発生に消費される電気量が多くな
るためである。In any of the above methods, the amount of gas generated at the end of the chemical conversion step increases. This gas generation is more remarkable in the positive electrode plate than in the negative electrode plate. The positive electrode plate requires an amount of electricity of about 200% of the theoretical capacity from the unformed state to the full charge, depending on the charging rate, and is larger than that of the negative electrode plate (about 130%). This is because the amount of electricity consumed for generating oxygen gas becomes larger than the amount of electricity consumed for charging as the positive electrode plate approaches the final stage of formation.
【０００４】従来の技術で述べた前者の方法は、正極板
と負極板の両方が希硫酸溶液で満たされた化成槽中で化
成されるため、負極板が正極板から発生した酸素ガスに
殆ど触れることがない。従って、負極板は殆ど酸素ガス
を吸収せず、酸素ガス吸収反応に伴う電力の消費が行わ
れない。しかし、電解液量を規制し、該電解液を微細ガ
ラスマットセパレータに保持させた制御弁式鉛蓄電池を
従来の電槽化成の方法で化成すると、負極板が露出して
いるため、正極板から発生した酸素ガスが負極板に触
れ、負極板で酸素ガス吸収反応が起こり、電力が消費さ
れる。このため、負極板は完全充電状態にならず、正極
板の方が先に完全充電状態になる。そして、この状態で
化成が終了すると、負極板に硫酸鉛が残存し、このまま
放置しておくと、この硫酸鉛が粗大化して不活性化し、
充放電を行っても元に戻すことができなかった。このよ
うな不活性化した硫酸鉛が多くなると、活性な活物質の
割合が減少し、負極板の放電容量、特に高率放電性能が
低下するという問題点があった。In the former method described in the prior art, since both the positive electrode plate and the negative electrode plate are formed in a chemical conversion tank filled with a dilute sulfuric acid solution, the negative electrode plate is almost completely converted into oxygen gas generated from the positive electrode plate. There is no touch. Therefore, the negative electrode plate hardly absorbs oxygen gas, and does not consume power due to the oxygen gas absorption reaction. However, when the amount of the electrolytic solution is regulated and the control valve type lead-acid battery holding the electrolytic solution in the fine glass mat separator is formed by a conventional battery forming method, the negative electrode plate is exposed. The generated oxygen gas touches the negative electrode plate, an oxygen gas absorption reaction occurs on the negative electrode plate, and power is consumed. Therefore, the negative electrode plate is not fully charged, and the positive electrode plate is fully charged first. When the formation is completed in this state, lead sulfate remains on the negative electrode plate, and if left as it is, this lead sulfate becomes coarse and inactive,
Even after charging and discharging, it could not be restored. When the amount of such inactivated lead sulfate increases, the ratio of the active material decreases, and there is a problem that the discharge capacity of the negative electrode plate, particularly, the high-rate discharge performance decreases.
【０００５】また、負極板に不活性化した硫酸鉛の多い
電池を規定電圧でフロート（トリクル）充電した場合、
負極の電位は、水素が発生する電位に至らず、水素発生
電位より貴な充電反応電位で安定する。一方、正極板の
電位は、貴な電位に分極するため、酸素ガス発生を加速
させ、フロート（トリクル）充電電流が増大する。その
結果、負極板は、酸素ガスをさらに吸収して未充電状態
が継続され、水分解反応により電解液が減少し、電池の
放電性能や寿命性能が低下する。In addition, when a battery containing a large amount of inactivated lead sulfate on a negative electrode plate is float (trickle) charged at a specified voltage,
The potential of the negative electrode does not reach the potential at which hydrogen is generated, and stabilizes at a charging reaction potential which is more noble than the hydrogen generation potential. On the other hand, the potential of the positive electrode plate is polarized to a noble potential, thereby accelerating the generation of oxygen gas and increasing the float (trickle) charging current. As a result, the negative electrode plate further absorbs the oxygen gas and continues to be in an uncharged state, the amount of the electrolytic solution decreases due to the water decomposition reaction, and the discharge performance and life performance of the battery decrease.
【０００６】このような問題点を抑制する手段として、
負極板の活物質容量を正極板のそれより減らし、正極板
からガスが発生する前、あるいは電解液量が減少する前
に負極板を完全充電する方法が用いられているが、この
ようにすると、負極板の放電容量、特に高率放電容量が
低下するため、電池性能を充分に満たさなくなる。As means for suppressing such a problem,
A method of reducing the active material capacity of the negative electrode plate more than that of the positive electrode plate and completely charging the negative electrode plate before gas is generated from the positive electrode plate or before the amount of the electrolytic solution is reduced has been used. In addition, since the discharge capacity of the negative electrode plate, particularly the high-rate discharge capacity, decreases, the battery performance cannot be sufficiently satisfied.
【０００７】また、電槽化成時間を追加して負極板の化
成度を上げる方法が用いられているが、生産効率を犠牲
にする割りには化成度を上げることができなかった。Further, a method of increasing the formation degree of the negative electrode plate by adding a battery forming time has been used, but it was not possible to increase the formation degree while sacrificing production efficiency.
【０００８】以上のように、制御弁式鉛蓄電池を電槽化
成により作製すると、負極板を完全に充電することが困
難であり、また、フロート（トリクル）充電時の各極板
にかかる電圧制御も困難であった。As described above, when a control valve type lead-acid battery is manufactured by battery case formation, it is difficult to completely charge the negative electrode plate, and the voltage control applied to each electrode plate during float (trickle) charging is controlled. Was also difficult.
【０００９】従って、本発明の目的は、製造工程を簡略
化できる電槽化成方法において、負極板を完全充電でき
る制御弁式鉛蓄電池の製造方法を提供し、高率放電特性
および寿命性能の優れた制御弁式鉛蓄電池を得ることに
ある。Accordingly, an object of the present invention is to provide a method for producing a control valve type lead-acid battery capable of completely charging a negative electrode plate in a battery case forming method capable of simplifying the production process, and having an excellent high rate discharge characteristic and excellent life performance. And a control valve type lead storage battery.
【００１０】[0010]
【課題を解決するための手段】上記課題を解決するため
に、本発明の制御弁式鉛蓄電池の製造方法は、未化成の
負極板のみを充電する工程と、前記充電後の負極板と未
化成の正極板を用いて電池を構成する工程と、前記電池
を電槽化成する工程を経ることを特徴とする。このよう
に、負極板を予め充電して電槽化成すると、正極板から
多くの酸素ガスが発生する前に、負極板を完全充電状態
にできる。そして、このようにして作製された制御弁式
鉛蓄電池は、負極板に不活性化された硫酸鉛が殆ど存在
しないため、フロート電流を増加させることがなく、放
電性能や寿命性能が優れる。In order to solve the above-mentioned problems, a method of manufacturing a control valve type lead-acid battery according to the present invention comprises the steps of charging only an unformed negative electrode plate, and charging the negative electrode plate after charging. The method is characterized by passing through a step of forming a battery using a positive electrode plate of chemical formation and a step of forming a battery case of the battery. As described above, when the negative electrode plate is charged in advance to form a battery case, the negative electrode plate can be fully charged before a large amount of oxygen gas is generated from the positive electrode plate. In addition, the control valve type lead-acid battery manufactured in this manner has almost no inactivated lead sulfate on the negative electrode plate, so that the float current does not increase and the discharge performance and the life performance are excellent.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施例について説
明する。Embodiments of the present invention will be described below.
【００１２】まず、公知の方法により作製した、未化成
の負極板を用意する。この負極板を比重１．１０（２５
℃）の硫酸水溶液中でその理論容量の５、５０、１００
％まで定電流でそれぞれ０．５、５、１０時間かけて充
電した。その後、該極板を公知の方法で水洗、乾燥し
た。これら負極板と、公知の方法により作製した未化成
の正極板と、電解液として比重１．２６（２５℃）の硫
酸水溶液を用いて制御弁式鉛蓄電池Ａ, Ｂ, Ｃを構成し
た。次に上記電池を正極板の理論容量換算でその２００
％まで定電流で４０時間かけて充電（電槽化成）した。First, an unformed negative electrode plate prepared by a known method is prepared. This negative electrode plate was treated with a specific gravity of 1.10 (25
° C) in a sulfuric acid aqueous solution at 5, 50, 100
% At a constant current for 0.5, 5, and 10 hours, respectively. Thereafter, the electrode plate was washed with water and dried by a known method. Control valve type lead-acid batteries A, B, and C were formed using these negative electrode plates, an unformed positive electrode plate manufactured by a known method, and an aqueous sulfuric acid solution having a specific gravity of 1.26 (25 ° C.) as an electrolytic solution. Next, the above battery was converted to a 200
% With a constant current for 40 hours (formation of a battery case).
【００１３】上記の製造方法（以下、実施例と略記す
る。）と、従来の製造方法について比較検討した。従来
の製造方法（以下、従来例と略記する。）は、未化成の
正極板及び負極板と、電解液として比重１．２６（２５
℃）の硫酸水溶液を用いて制御弁式鉛蓄電池を構成し、
正極板の理論容量の２５０％まで定電流で５０時間かけ
て充電（電槽化成）する方法である。図１に実施例と従
来例の電槽化成後の５０℃加速試験中のフロート（トリ
クル）充電特性を、図２に実施例と従来例の電槽化成後
の５０℃加速試験中の高率放電特性を示す。なお、電池
Ｄは、従来の製造方法で作製した制御弁式鉛蓄電池であ
る。The above-mentioned manufacturing method (hereinafter abbreviated as an example) was compared with a conventional manufacturing method. A conventional manufacturing method (hereinafter, abbreviated as a conventional example) is based on a non-formed positive electrode plate and a negative electrode plate, and a specific gravity of 1.26 (25
℃) using a sulfuric acid aqueous solution to form a control valve type lead-acid battery,
In this method, the battery is charged (container formation) with a constant current to 250% of the theoretical capacity of the positive electrode plate over 50 hours. FIG. 1 shows the float (trickle) charge characteristics during the 50 ° C. acceleration test after the battery case formation of the embodiment and the conventional example, and FIG. 2 shows the high rate during the 50 ° C. acceleration test after the embodiment and the conventional case formation. It shows discharge characteristics. The battery D is a control valve type lead storage battery manufactured by a conventional manufacturing method.
【００１４】図１、２から明らかなように、本発明によ
る電池Ａ，Ｂ，Ｃは、従来方法による電池Ｄに比べ、経
過日数に対するフロート電流率と放電容量の低下が少な
い。なお、フロート電流率（％）は、電池Ｄの初期４時
間目のフロート電流を１００（％）としたときの相対値
である。As is clear from FIGS. 1 and 2, the batteries A, B, and C according to the present invention have less decrease in the float current ratio and the discharge capacity with respect to the number of days elapsed than the battery D according to the conventional method. The float current rate (%) is a relative value when the float current of the battery D in the initial 4 hours is 100 (%).
【００１５】図１、２を具体的に説明する。図１は、電
池Ａ〜Ｄのフロート充電電流特性を示し、初期以外でフ
ロート電流率が急激に増加しているのは、該当日に高率
放電特性の試験を行ったためであり、フロート試験の再
スタート時、一次的にフロート電流が高くなったことに
よる。FIGS. 1 and 2 will be specifically described. FIG. 1 shows the float charging current characteristics of the batteries A to D. The reason why the float current ratio sharply increases in the periods other than the initial stage is that the test of the high-rate discharging characteristics was performed on the corresponding day. At the time of restart, it is because the float current temporarily increased.
【００１６】図２は、図１のフロート試験中の電池を定
期的に高率放電率（３ＣＡ）で放電した際の放電容量推
移を示す。FIG. 2 shows a change in discharge capacity when the battery during the float test of FIG. 1 is periodically discharged at a high rate of discharge (3 CA).
【００１７】図１、２からわかるように、負極板を電槽
化成前に充電した電池Ａ，Ｂ，Ｃは、従来法による電池
Ｄに比較して、フロート電流が低下し、長期間その低い
値が維持されている。さらに、高率放電性能についても
初期の放電容量が高く、その放電容量が長期間維持され
ることがわかる。負極板に対する電槽化成前の充電は、
電気量が、理論容量に対して１００％充電しなくても、
５％程度（電池Ａ）でも十分電池特性を向上させる効果
があった。それに対し、従来の方法ではトータルの充電
電気量が電池Ａ〜Ｃより多い２５０％の充電をしている
にもかかわらず、フロート電流が大きく、また高率放電
容量も小さい。これは、負極板が完全に充電状態になっ
ていないことが原因と考えられる。つまり、従来の電槽
化成では、前述した正極板からの酸素ガス発生の際に多
くの酸素が負極板で吸収され、その結果、負極板の充電
電気量が主に酸素ガス吸収反応によって生成した硫酸鉛
の充電に使用されたためと考えられる。As can be seen from FIGS. 1 and 2, the batteries A, B, and C in which the negative electrode plates were charged before the formation of the battery case had a lower float current than the battery D according to the conventional method, and had a lower float current for a long time. The value is maintained. Further, it can be seen that the initial discharge capacity is also high for the high rate discharge performance, and that the discharge capacity is maintained for a long time. The charging of the negative electrode plate before battery formation is
Even if the amount of electricity does not charge 100% of the theoretical capacity,
Even at about 5% (Battery A), there was an effect of sufficiently improving battery characteristics. On the other hand, in the conventional method, the float current is large and the high-rate discharge capacity is small even though the total amount of electricity charged is 250% higher than that of the batteries A to C. This may be because the negative electrode plate is not completely charged. In other words, in the conventional battery case formation, a large amount of oxygen is absorbed by the negative electrode plate when the above-described oxygen gas is generated from the positive electrode plate, and as a result, the charge amount of the negative electrode plate is mainly generated by the oxygen gas absorption reaction. Probably because it was used for charging lead sulfate.
【００１８】[0018]
【発明の効果】以上詳述したように、本発明の製造方法
は、正極板から酸素ガスが発生するまでに、負極板を完
全充電状態にできるので、負極板に不活性化した硫酸鉛
が残存しない。従って、本発明により製造した制御弁式
鉛蓄電池は、高率放電特性およびフロート寿命性能が優
れる。As described above in detail, according to the manufacturing method of the present invention, the negative electrode plate can be fully charged by the time the oxygen gas is generated from the positive electrode plate. Does not remain. Therefore, the control valve type lead storage battery manufactured according to the present invention is excellent in high rate discharge characteristics and float life performance.
【図１】本発明および従来法に係る電池のフロート（ト
リクル）充電特性を示すグラフである。FIG. 1 is a graph showing float (trickle) charging characteristics of batteries according to the present invention and a conventional method.
【図２】本発明および従来法に係る電池の高率放電特性
を示すグラフである。FIG. 2 is a graph showing high rate discharge characteristics of batteries according to the present invention and a conventional method.
Claims (1)
記充電後の負極板と未化成の正極板を用いて電池を構成
する工程と、前記電池を電槽化成する工程を経ることを
特徴とする制御弁式鉛蓄電池の製造方法。1. A step of charging only an unformed negative electrode, a step of forming a battery using the charged negative electrode plate and the unformed positive electrode plate, and a step of forming the battery in a battery case. A method for producing a lead-acid battery of a controlled valve type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14800499A JP4560849B2 (en) | 1999-05-27 | 1999-05-27 | Control valve type lead storage battery manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14800499A JP4560849B2 (en) | 1999-05-27 | 1999-05-27 | Control valve type lead storage battery manufacturing method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000340220A true JP2000340220A (en) | 2000-12-08 |
| JP2000340220A5 JP2000340220A5 (en) | 2005-10-27 |
| JP4560849B2 JP4560849B2 (en) | 2010-10-13 |
Family
ID=15442968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14800499A Expired - Fee Related JP4560849B2 (en) | 1999-05-27 | 1999-05-27 | Control valve type lead storage battery manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4560849B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678602A (en) * | 2022-02-23 | 2022-06-28 | 浙江铅锂智行科技有限公司 | Method and system for forming lead-acid battery pole plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132355A (en) * | 1984-07-23 | 1986-02-15 | Japan Storage Battery Co Ltd | Formation of plates for lead storage battery |
| JPS6211457B2 (en) * | 1980-12-29 | 1987-03-12 | Shin Kobe Electric Machinery | |
| JPH0569263B2 (en) * | 1986-12-29 | 1993-09-30 | Shin Kobe Electric Machinery |
-
1999
- 1999-05-27 JP JP14800499A patent/JP4560849B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6211457B2 (en) * | 1980-12-29 | 1987-03-12 | Shin Kobe Electric Machinery | |
| JPS6132355A (en) * | 1984-07-23 | 1986-02-15 | Japan Storage Battery Co Ltd | Formation of plates for lead storage battery |
| JPH0569263B2 (en) * | 1986-12-29 | 1993-09-30 | Shin Kobe Electric Machinery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678602A (en) * | 2022-02-23 | 2022-06-28 | 浙江铅锂智行科技有限公司 | Method and system for forming lead-acid battery pole plate |
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| JP4560849B2 (en) | 2010-10-13 |
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