JP2773311B2 - Manufacturing method of sealed lead-acid battery - Google Patents
Manufacturing method of sealed lead-acid batteryInfo
- Publication number
- JP2773311B2 JP2773311B2 JP1283236A JP28323689A JP2773311B2 JP 2773311 B2 JP2773311 B2 JP 2773311B2 JP 1283236 A JP1283236 A JP 1283236A JP 28323689 A JP28323689 A JP 28323689A JP 2773311 B2 JP2773311 B2 JP 2773311B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- lead
- electrode plate
- sealed lead
- battery case
- 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.)
- Expired - Fee Related
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
- H01M4/20—Processes of manufacture of pasted electrodes
- H01M4/21—Drying of pasted 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
-
- 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
Description
【発明の詳細な説明】 産業上の利用分野 本発明は密閉形鉛蓄電池の製造法に関するものであ
り、特にペースト式正極板の寿命特性の向上を図るもの
である。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a sealed lead-acid battery, and more particularly to improving the life characteristics of a paste-type positive electrode plate.
従来の技術 密閉形鉛蓄電池は電解液である稀硫酸を正負極板およ
びリテーナー状のセパレータに含浸するか、稀硫酸をゲ
ル化して使用している。2. Description of the Related Art A sealed lead-acid battery uses dilute sulfuric acid, which is an electrolytic solution, in a positive electrode plate and a retainer-like separator or gels dilute sulfuric acid.
このような電池は、転倒あるいは横倒しにしても電解
液がこぼれない、使用中の電解液の減少がほとんどなく
補水の必要が全くない等のすぐれた特長をもつことから
今日広く使用されることになってきている。Such batteries are widely used today because they have excellent features such as no electrolyte spilling even if the battery is turned over or turned over, little decrease in electrolyte during use, and no need for water replenishment. It has become to.
発明が解決しようとする課題 このような密閉形鉛蓄電池は上記のようなすぐれた特
長をもつが電池内に流動できる電解液がほとんどないた
め、リテーナをセパレータとする密閉形鉛蓄電池では、
電池内で極板およびセパレータを緊密に密着させておか
ないと使用中に極板およびセパレータ間に電解液の遮断
された層が生じ電池性能の低下を招く。Problems to be Solved by the Invention Such sealed lead-acid batteries have such excellent features as described above, but since there is almost no electrolyte that can flow in the batteries, in sealed lead-acid batteries using a retainer as a separator,
If the electrode plate and the separator are not closely adhered to each other in the battery, a layer in which the electrolytic solution is shut off between the electrode plate and the separator during use causes deterioration of battery performance.
このため電池製作時に極板群を電槽内に挿入する際、
電槽のしきりで極板群を圧迫するように強制的に圧力が
加わるように挿入するのが一般的な方法である。For this reason, when inserting the electrode group into the battery case during battery production,
It is a general method to insert the electrode group so that pressure is forcibly applied to the electrode group at the end of the battery case.
このような方法で電池製作時に極板群を電槽内に挿入
するため、挿入しにくく生産性が悪い、極板等の変形破
損を生ずることがあるなどの課題があった。Since the electrode plate group is inserted into the battery case at the time of manufacturing the battery by such a method, there are problems that the electrode plate is difficult to insert, the productivity is poor, and the electrode plate or the like may be deformed and damaged.
この課題を解決するために例えば、セパレータ中に、
硫酸を吸収し膨張するような樹脂を添加し、電池組立後
に極板群を圧迫するような改善が提出されているが、現
時点では十分な効果をあげていない。In order to solve this problem, for example, in a separator,
Improvements such as adding a resin that absorbs and expands sulfuric acid to compress the electrode plate group after assembling the battery have been proposed, but at present no sufficient effect has been obtained.
課題を解決するための手段 本発明は密閉形鉛蓄電池に関する上記課題についてそ
の改善をするものである。Means for Solving the Problems The present invention improves the above-mentioned problems concerning the sealed lead-acid battery.
その方法は、赤色リサージ〔PbO（RED）という〕，金
属鉛，黄色リサージ〔PbO（YELLOW）という〕および鉛
丹からなる混合粉末と水および稀硫酸を混練してペース
ト状とし、これを格子体に充填したのち、温度80〜95℃
湿度90％以上の条件下で熟成乾燥された正極板を用い、
これを電解液を保持するリテーナおよび負荷板を用いて
極板群となし電槽内に挿入した後、電槽化成して密閉形
鉛蓄電池を製造するものである。The method consists of kneading a mixed powder consisting of red litharge (referred to as PbO (RED)), metallic lead, yellow litharge (referred to as PbO (YELLOW)) and lead, water and dilute sulfuric acid to form a paste, and then form a grid. After filling, the temperature is 80 ~ 95 ℃
Using a positive electrode plate that has been aged and dried under conditions of humidity of 90% or more,
This is inserted into a battery case using a retainer and a load plate for holding an electrolytic solution, and then formed into a battery case to produce a sealed lead-acid battery.
作用 以上のような手段により熟成乾燥させた正極板未化成
板は４塩基硫酸鉛を主成分とし、他に酸化鉛等を含んだ
多孔体を形成する。Action The positive electrode plate unformed plate aged and dried by the above-described means forms a porous body mainly containing tetrabasic lead sulfate and additionally containing lead oxide and the like.
これに対して従来はPbO（RED）を主成分としてこれに
少量の金属鉛黄色を含んた鉛粉を原料粉末としたものが
殆どであった。この鉛粉と水および稀硫酸を混練したペ
ーストを格子に充填したのち従来は温度が約65℃以下の
状態で熟成乾燥が行なわれていた。On the other hand, in the past, lead powder containing PbO (RED) as a main component and a small amount of metallic lead yellow as a raw material powder was mostly used. After filling the grid with a paste obtained by kneading the lead powder, water and dilute sulfuric acid, aging and drying were conventionally performed at a temperature of about 65 ° C. or less.
この場合は正極未化成板中には３塩基性硫酸鉛を主成
分とし他に酸化鉛等を含んだ多孔体を形成する。In this case, a porous body containing tribasic lead sulfate as a main component and other components such as lead oxide is formed in the unformed positive electrode plate.
ところで本発明にかかわる前者の極板活物質は、従来
例である後者とくらべ化成後の体積膨張がきわめて大き
く、厚さ方向の増加も大きいことがわかった。By the way, the former electrode plate active material according to the present invention was found to have a much larger volume expansion after chemical formation and a larger increase in the thickness direction than the latter, which is a conventional example.
このため本発明によりこの極板を用いて密閉電池を製
作し電槽化成を行うと、正極の厚さ増加により極板群を
圧迫する力が得られ、従来極板群を電槽に挿入する際、
必要とされた大きな圧縮力を軽減またはなくすることが
可能となる。For this reason, when a sealed battery is manufactured using this electrode plate according to the present invention and the battery case is formed, a force for pressing the electrode group is obtained by increasing the thickness of the positive electrode, and the conventional electrode group is inserted into the battery case. When
The required large compressive force can be reduced or eliminated.
実 施 例 以下実施例により本発明について述べる。EXAMPLES The present invention will be described below with reference to examples.
PbO（RED）60重量％，金属鉛15重量％,PbO（YELLOW）
５重量％および鉛丹20重量％を含有する混合粉末と水お
よび稀硫酸を混練しペースト状とし、これを縦100mm,横
100mmの厚さ2.0mmの格子体に充填し温度85℃，湿度90％
の雰囲気中で20時間熟成乾燥し、４塩基性硫酸鉛を主成
分とする正極未化成を作成した。この未化成の厚さは2.
1mmであった。60% by weight of PbO (RED), 15% by weight of metallic lead, PbO (YELLOW)
A mixed powder containing 5% by weight and 20% by weight of lead red, water and dilute sulfuric acid are kneaded to form a paste, which is 100 mm long and horizontal.
Filled in a 100mm 2.0mm grid, temperature 85 ℃, humidity 90%
After aging and drying for 20 hours in the atmosphere described above, an unformed positive electrode mainly composed of 4-basic lead sulfate was prepared. This unformed thickness is 2.
1 mm.
一方、比較のために同一条件でペーストを充槽した極
板を温度60℃，湿度70％で20時間熟成乾燥し３塩基性硫
酸鉛を主成分とする正極未化成板を作成した、この未化
成板の厚さもやはり2.1mmであった。On the other hand, for comparison, the electrode plate filled with the paste under the same conditions was aged at a temperature of 60 ° C. and a humidity of 70% for 20 hours to prepare a positive electrode non-formed plate mainly composed of tribasic lead sulfate. The thickness of the chemical conversion plate was also 2.1 mm.
これらの正極板と厚さ1.5mmの負極板および厚さ1.3mm
のガラス繊維を主成分とするセパレータ（これは20Kg/1
00cm2で加圧したときは厚さ1.1mmとなる）を用い、正極
３枚負極４枚構成の極板群を構成した。セパレータは各
正負極の間に設けられるので６枚必要であり、この極板
群の厚さは３×2.1＋４×1.5＋1.1×６＝18.9mmとなる
が、これを軽く圧縮し幅16.3mmの電槽内に挿入した。そ
の後この極板群を６ケ直列にすることにより12Vの電池
とした。These positive plates and negative plates with a thickness of 1.5 mm and 1.3 mm
Separator mainly composed of glass fiber (This is 20kg / 1
When pressed at 00 cm 2 , the thickness becomes 1.1 mm) to form an electrode plate group including three positive electrodes and four negative electrodes. Since the separators are provided between the positive and negative electrodes, six separators are required. The thickness of the electrode plate group is 3 × 2.1 + 4 × 1.5 + 1.1 × 6 = 18.9 mm. It was inserted into an mm battery case. Thereafter, a 12 V battery was obtained by connecting the electrode plates in a series of six.
本発明による電池をA,比較品をＢとする。 The battery according to the present invention is A, and the comparative product is B.
それぞれを稀硫酸を注入後10Aの電流で40時間電槽化
成した。After injecting diluted sulfuric acid, each was formed into a battery container at a current of 10 A for 40 hours.
電槽化成後の電池Ａの正極板厚みは2.3mmで未化成と
くらべ0.2mm増加した。その結果、極板群は約30Kg/100c
m2の力で加圧されていた。これは初期の約20Kg/100cm2
の圧力とくらべて約10Kg/100cm2の増加であった。The thickness of the positive electrode plate of Battery A after the battery case formation was 2.3 mm, which was 0.2 mm larger than that of the unformed case. As a result, the electrode group is about 30Kg / 100c
It was pressurized with a force of m 2 . This is the initial about 20Kg / 100cm 2
The pressure was increased by about 10 kg / 100 cm 2 compared to the pressure.
一方電池Ｂでは化成前後で正極板厚みは変化せず2.1m
mであり、極板群は初期の同じ20Kg/100cm2の力で加圧さ
れていた。On the other hand, in battery B, the thickness of the positive electrode plate did not change before and after
m, and the electrode group was pressurized with the same initial force of 20 kg / 100 cm 2 .
これらの電池とそれぞれに対応した圧力を加えていな
い電池（電槽幅を20mmと広くし電槽しきりからの圧力が
加わらないようにした）Ａ′およびＢ′を用意した。These batteries and batteries A 'and B' to which pressure was not applied correspondingly (the battery case width was widened to 20 mm so that pressure from the battery case was not applied) were prepared.
これら４種類の電池を充電14.8V,放電1CAでサイクル
試験を行なった。These four types of batteries were subjected to a cycle test at a charge of 14.8 V and a discharge of 1 CA.
結果を第１図に示す。 The results are shown in FIG.
圧力が全くかかっていない電池Ａ′,B′は早期にほぼ
同サイクル数で寿命がつきた。Batteries A 'and B', which were not subjected to any pressure at all, had an early life with almost the same number of cycles.
一方圧力を通常に加えている従来電池Ｂはこれらより
約２倍または本発明による電池Ａではさらに電池Ｂにく
らべ1.5倍の寿命が得られた。On the other hand, the life of the conventional battery B to which the pressure was normally applied was about twice as long as that of the conventional battery B or 1.5 times longer than that of the battery B according to the present invention.
以上のことより本発明の電池では電槽化成後に極板群
を加圧する力を正極の膨張より高めることができ、その
結果寿命特性も向上できることが分った。From the above, it has been found that in the battery of the present invention, the force for pressing the electrode plate group after the battery case formation can be higher than the expansion of the positive electrode, and as a result, the life characteristics can be improved.
発明の効果 以上のように本発明では電池組立後に極板群に加わる
加圧力が増すことができる。Effect of the Invention As described above, in the present invention, the pressure applied to the electrode plate group after the battery is assembled can be increased.
このため従来密閉形鉛蓄電池生産時に支障となってい
た。固く極板群を電槽内に入れなければならないという
条件を緩和できると同時に、特性的にも従来とくらべ寿
命が長い密閉形鉛蓄電池を提供できその価値は大きなも
のがある。For this reason, it has been a problem during the production of sealed lead-acid batteries. It is possible to provide a sealed lead-acid battery having a longer service life than the conventional one, while at the same time relaxing the condition that the electrode group must be firmly put in the battery case.
第１図は寿命試験における容量の推移を示したものであ
る。Ａは本発明による密閉形鉛蓄電池、Ｂは熟成温度の
低い比較品、Ａ′はＡにおいて極板群に圧力を加えない
ようにしたもの、Ｂ′はＢにおいて極板群に圧力を加え
ないようにしたものである。FIG. 1 shows the transition of the capacity in the life test. A is a sealed lead-acid battery according to the present invention, B is a comparative product having a low aging temperature, A 'is one in which pressure is not applied to the electrode group in A, B' is one in which no pressure is applied to the electrode group in B It is like that.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−51053（ＪＰ，Ａ) 特開 昭64−89262（ＪＰ，Ａ) 特開 昭62−26766（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) H01M 4/14 H01M 4/20 H01M 4/21 H01M 4/57────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-51053 (JP, A) JP-A-64-89262 (JP, A) JP-A-62-26766 (JP, A) (58) Field (Int.Cl. 6 , DB name) H01M 4/14 H01M 4/20 H01M 4/21 H01M 4/57
Claims (1)
負極板からなる未化成極板群を電槽内に挿入した後、電
槽化成する密閉形鉛蓄電池であって、前記正極板が赤色
リサージ〔PbO（RED）〕，金属鉛，黄色リサージ〔PbO
（YELLOW）〕および鉛丹からなる混合粉末と水および稀
硫酸を混練してペーストとし、このペーストを格子体に
充填したのち、温度80〜95℃，湿度90％以上の雰囲気中
で熟成乾燥することを特徴とする密閉形鉛蓄電池の製造
法。1. A sealed lead-acid battery in which an unformed electrode plate group comprising a positive electrode plate, a retainer for holding an electrolytic solution and a negative electrode plate is inserted into a battery case, and then formed into a battery case. Litharge [PbO (RED)], metallic lead, yellow litharge [PbO
(YELLOW)] and water and dilute sulfuric acid to form a paste by kneading a mixed powder of lead and red lead, fill this paste into a lattice, and ripen and dry in an atmosphere at a temperature of 80 to 95 ° C and a humidity of 90% or more. A method for producing a sealed lead-acid battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283236A JP2773311B2 (en) | 1989-10-30 | 1989-10-30 | Manufacturing method of sealed lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283236A JP2773311B2 (en) | 1989-10-30 | 1989-10-30 | Manufacturing method of sealed lead-acid battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03145055A JPH03145055A (en) | 1991-06-20 |
| JP2773311B2 true JP2773311B2 (en) | 1998-07-09 |
Family
ID=17662853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1283236A Expired - Fee Related JP2773311B2 (en) | 1989-10-30 | 1989-10-30 | Manufacturing method of sealed lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2773311B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384010B (en) * | 2013-07-05 | 2016-04-06 | 超威电源有限公司 | A kind of preparation method of four basic lead sulphates |
-
1989
- 1989-10-30 JP JP1283236A patent/JP2773311B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03145055A (en) | 1991-06-20 |
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