JPS59138063A - Lead storage battery - Google Patents
Lead storage batteryInfo
- Publication number
- JPS59138063A JPS59138063A JP58010841A JP1084183A JPS59138063A JP S59138063 A JPS59138063 A JP S59138063A JP 58010841 A JP58010841 A JP 58010841A JP 1084183 A JP1084183 A JP 1084183A JP S59138063 A JPS59138063 A JP S59138063A
- Authority
- JP
- Japan
- Prior art keywords
- sulfuric acid
- battery
- electric discharge
- dilute sulfuric
- specific gravity
- 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
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
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
- H01M4/22—Forming of electrodes
-
- 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
Description
【発明の詳細な説明】
本発明は鉛蓄電池の改良に係り、その目的とするところ
は品質安定、初充電効率の向上を図らんとするものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvement of lead-acid batteries, and its purpose is to stabilize quality and improve initial charging efficiency.
従来昂硫酸を主成分とする電解液をマット状のガラス繊
維に含浸せしめた構造を有する鉛蓄電池は、十分に化成
された陽極板、陰極板を隔離板、マント状のカラス組繊
維で隔離するように組立てられ、然る後該鉛蓄電池比重
、１．３４０乃至１３５０の高濃度な希硫酸を注入した
後初充電を行なっていた。Conventional lead-acid batteries have a structure in which mat-like glass fibers are impregnated with an electrolyte mainly composed of citrous sulfuric acid, and the anode and cathode plates are separated by a separator and a cloak-like glass fiber. After that, the lead-acid battery was first charged after injecting highly concentrated dilute sulfuric acid having a specific gravity of 1.340 to 1350.
而も、このように高濃度な希硫酸を注入するため、この
状態で初充電すると充電効率が非常に悪いという欠点が
あった。そのため、注液後一旦放電を行なって電解液比
重を下げるという方法が採用されているが、電池が組立
てられた状態であるため生産効率が悪（、また商品とし
て傷を生ずるなどの欠点があり、さらに、放電や充電に
伴なう電気分解等により、希硫酸濃度が各電池でまちま
ちになり品い等の欠点を有していた。加うるに、かかる
電池内の各セル毎の容量のバラツキは非常に大きいとい
う問題もあった。この原因について種々と検討した結果
、注液後期充電前に高濃度の希硫酸中で放電するために
、微細な硫酸鉛が形成され、該硫酸鉛の生成が陽極板活
物質内部への希硫酸の浸透を抑制し、而も、初充電によ
っても微細で緻密に形成された硫酸鉛は酸化されず、そ
のため、初充電後の放電によって起電反応か起り易い部
分は硫酸鉛化する部分があり、セル間の放電容量をばら
つかぜる要因の−っであることが判明した。However, since such highly concentrated dilute sulfuric acid is injected, there is a drawback that charging efficiency is extremely poor when initially charging in this state. For this reason, a method has been adopted in which the specific gravity of the electrolyte is lowered by discharging it after injection, but since the battery is already assembled, production efficiency is poor (and there are drawbacks such as damage to the product). Furthermore, due to electrolysis during discharging and charging, the concentration of dilute sulfuric acid varies from battery to battery, resulting in problems such as poor quality.In addition, the capacity of each cell in such batteries varies. There was also the problem that the dispersion was extremely large.As a result of various investigations into the cause of this, it was found that fine lead sulfate was formed due to discharging in highly concentrated dilute sulfuric acid before charging in the latter stage of injection. This formation suppresses the penetration of dilute sulfuric acid into the inside of the active material of the anode plate, and the fine and densely formed lead sulfate is not oxidized even during the initial charge, so that an electromotive reaction occurs due to discharge after the initial charge. It has been found that the areas where lead sulfate formation is most likely to occur are the cause of dispersion in discharge capacity between cells.
本発明は上記の点に鑑み、陽極活物質内部にまで、希硫
酸を十分に浸透し易くするために、組立て前の化成終了
後の極板を比較的低率放電で放電した極板を用いて電池
を組立て、該電池に比重の低い希硫酸を注入すれば、初
充電前の放電工程が不要となり、生産性か向上すると共
に、比較的低比重中での初充電であるため、放電によっ
て化成した硫酸鉛の溶解度が高く、充電効率か向上され
、放電容量を安定ならしめ得るものである。In view of the above points, the present invention uses an electrode plate which is discharged at a relatively low rate after completion of chemical formation before assembly, in order to make it easy for dilute sulfuric acid to sufficiently penetrate into the inside of the anode active material. By assembling a battery and injecting dilute sulfuric acid with a low specific gravity into the battery, the discharging process before the first charge becomes unnecessary, improving productivity, and since the first charge is performed in a relatively low specific gravity, the discharge process The chemically formed lead sulfate has high solubility, improves charging efficiency, and stabilizes discharge capacity.
本発明の一実施例を説明する。An embodiment of the present invention will be described.
格子基板用鉛合金として０１％カルシウム、０４器錫、
００２％アルミニウム、残部鉛からなるカルンウム合金
を用いたｌ９Ａｈ相当の陽極板及び陰極板はｎ法に従っ
てペーストを充填し、未化成極板となした。01% calcium, 04 tin as lead alloy for grid substrate,
An anode plate and a cathode plate corresponding to 19Ah using a carunium alloy consisting of 0.002% aluminum and the balance lead were filled with paste according to the n method to form unformed electrode plates.
電池Ａは常法に従って、比重１０８０の希硫酸中で十分
に化成し、水洗、乾燥後陽極板１枚、陰極板２枚を厚さ
１５朋のマント状ガラス細繊維を介して単セル電池を組
立て、該電池に比重１３４５の希硫酸を注入して、十分
に浸み込ませるため２４時間放置し、その後６５Ωの定
抵抗で１７５Ｖまで放電後ｌセル当り２４５■の定電圧
で初充電を１８時間行なった。また電池Ｂは化成終了後
比重１０８０の希硫酸中で２０時間率電流に相当する電
流で１０時間放電した後水洗、乾燥し、陽極板１枚、陰
極板２枚を１５器のマット状ガラス細繊維を介して単セ
ル電池となし、該電池に比重１２００の希硫酸を注入し
て１８時間放置後ｌセル当り、２ｙ４５Ｖの定電圧で初
充電を１８時間行なった。Battery A was fully chemically formed in dilute sulfuric acid with a specific gravity of 1080 in accordance with a conventional method, washed with water, and dried. One anode plate and two cathode plates were then connected to a single cell battery through a cloak-like fine glass fiber with a thickness of 15 mm. After assembly, dilute sulfuric acid with a specific gravity of 1345 was injected into the battery, left for 24 hours to soak in thoroughly, then discharged to 175V with a constant resistance of 65Ω, and then charged for the first time at a constant voltage of 245μ per 1 cell for 18 hours. I did it for an hour. After completion of chemical formation, battery B was discharged in dilute sulfuric acid with a specific gravity of 1080 for 10 hours at a current equivalent to a 20-hour rate current, then washed with water, dried, and one anode plate and two cathode plates were assembled into 15 mat-like glass thin plates. A single cell battery was formed through the fibers, dilute sulfuric acid having a specific gravity of 1200 was injected into the battery, and after being left for 18 hours, initial charging was performed for 18 hours at a constant voltage of 2y45V per 1 cell.
図面は電池Ａおよび電池Ｂの各２０セルの２０；で６５
０定抵抗放電時の終止電圧１．７５Ｖ／セルとしたとき
の容量のバラツキを示したものである。The drawing shows battery A and battery B with 20 cells each, 20; 65
This figure shows the variation in capacity when the final voltage is 1.75 V/cell during zero constant resistance discharge.
図面に示した如く、本発明による電池Ｂは、従来の７［
／ｌｌ！Ａの容量バラツキと比べて、明らかに小さく、
而も、放電持続時間も向上している。As shown in the drawings, the battery B according to the present invention has a conventional 7 [
/ll! Compared to the capacity variation of A, it is clearly smaller,
Moreover, the discharge duration has also been improved.
従って、活物質細孔内部にまで硫酸鉛を形成させて、該
硫酸鉛を低い比重の希硫酸中で初充電したため、初充電
効率が向上したためと、放電によって生成した硫酸鉛の
酸化により一層表面積の増大がもたらされたためと考え
られる。Therefore, since lead sulfate was formed inside the pores of the active material and the lead sulfate was initially charged in dilute sulfuric acid with a low specific gravity, the initial charging efficiency was improved, and the surface area was further increased due to the oxidation of the lead sulfate produced by discharge. This is thought to be due to an increase in
上述の如く、本発明は鉛蓄電池の生産性の向上及び品質
向上環に著しく寄与する等工業的価値基だ大なるもので
ある。As mentioned above, the present invention has great industrial value as it significantly contributes to the improvement of productivity and quality of lead-acid batteries.
図面は本発明による電池と従来の電池との容量比較図で
ある。
特許出願人
電池Ａ 電池ＢThe drawing is a capacity comparison diagram between a battery according to the present invention and a conventional battery. Patent applicant battery A battery B
Claims (1)
徴とする鉛蓄電池。A lead-acid battery characterized by using electrode plates discharged in dilute sulfuric acid after completion of chemical formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58010841A JPS59138063A (en) | 1983-01-26 | 1983-01-26 | Lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58010841A JPS59138063A (en) | 1983-01-26 | 1983-01-26 | Lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59138063A true JPS59138063A (en) | 1984-08-08 |
Family
ID=11761574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58010841A Pending JPS59138063A (en) | 1983-01-26 | 1983-01-26 | Lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59138063A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04248905A (en) * | 1991-02-01 | 1992-09-04 | Ueda Noki Kk | Sheet-sowing machine for cultivation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57145277A (en) * | 1981-03-03 | 1982-09-08 | Matsushita Electric Ind Co Ltd | Operating method of lead storage battery |
-
1983
- 1983-01-26 JP JP58010841A patent/JPS59138063A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57145277A (en) * | 1981-03-03 | 1982-09-08 | Matsushita Electric Ind Co Ltd | Operating method of lead storage battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04248905A (en) * | 1991-02-01 | 1992-09-04 | Ueda Noki Kk | Sheet-sowing machine for cultivation |
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