JPH0656771B2 - Method for manufacturing sealed lead-acid battery - Google Patents
Method for manufacturing sealed lead-acid batteryInfo
- Publication number
- JPH0656771B2 JPH0656771B2 JP1282497A JP28249789A JPH0656771B2 JP H0656771 B2 JPH0656771 B2 JP H0656771B2 JP 1282497 A JP1282497 A JP 1282497A JP 28249789 A JP28249789 A JP 28249789A JP H0656771 B2 JPH0656771 B2 JP H0656771B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- sealed lead
- formation
- gelling agent
- electrode plate
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/08—Selection of materials as electrolytes
- H01M10/10—Immobilising of electrolyte
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明はコロイダルシリカあるいはコロイダルアルミナ
等のゲル化剤を数％入れてゲル化させた希硫酸を電解液
として使用する、いわゆるゲル式密閉形鉛電池の製造方
法の改良に関するもので、特に放電容量およびサイクル
寿命性能のすぐれた密閉形鉛電池を提供することも目的
とするものである。TECHNICAL FIELD The present invention relates to a so-called gel-type sealed lead battery in which a dilute sulfuric acid gelled with a gelling agent such as colloidal silica or colloidal alumina is used as an electrolytic solution. It is also an object of the present invention to provide a sealed lead battery having excellent discharge capacity and cycle life performance.
従来の技術 従来のゲル式密閉形鉛電池は、極板を未化成の状態で組
み立て、電槽内に収納した後、ゲル化剤を数％入れたゾ
ル状希硫酸を注液して通電することにより極板を電槽内
で化成するとともに、化成中に電解液をゲル化させるこ
とにより製造していた。2. Description of the Related Art Conventional gel-type sealed lead-acid batteries are assembled in an unformed state with the electrode plate, stored in a battery case, and then injected with sol-like dilute sulfuric acid containing a few percent of a gelling agent to conduct electricity. As a result, the electrode plate was formed in the battery case, and the electrolytic solution was gelled during the formation.
発明が解決しようとする課題 しかしこのような方法で製造したゲル式密閉形鉛電池は
化成途中に極板から出てきた高濃度硫酸が電池下部に移
行して、いわゆる電解液の成層化を生じ、しかも電解液
が化成の進行につれてゲル化いていくため、液式電池の
ように極板から発生するＨ２，Ｏ２ガスによって上記電
解液の成層化を解消することができない。その結果放電
容量が少ない、あるいはサイクル寿命性能が悪いという
欠点を有していた。However, in the gel-type sealed lead-acid battery manufactured by such a method, the high-concentration sulfuric acid that has come out of the electrode plate during the formation migrates to the lower part of the battery, causing so-called stratification of the electrolyte solution. Moreover, since the electrolytic solution gels as the chemical conversion progresses, the stratification of the electrolytic solution cannot be canceled by the H 2 and O 2 gas generated from the electrode plate as in the liquid battery. As a result, they have the drawbacks of low discharge capacity or poor cycle life performance.
課題を解決するための手段 本発明はゲル式密閉形鉛電池において、極板を未化成の
状態で組立て電槽内に挿入した後、まず希硫酸を注液し
て電槽内で化成し、化成途中でゲル化剤あるいはゲル化
剤の水溶液を注液して製造することにより上記問題点を
解決するものである。Means for Solving the Problems The present invention is a gel-type sealed lead battery, after the electrode plate is assembled in an unformed state and inserted into a battery case, first dilute sulfuric acid is poured to form the battery in the battery case, The above problems are solved by injecting a gelling agent or an aqueous solution of a gelling agent during the formation of the chemical composition.
実施例 本発明製造方法によってゲル式電池を製作し、試験を行
った。以下に電池の製作工程と試験結果について詳述す
る。Example A gel battery was manufactured by the manufacturing method of the present invention and tested. The manufacturing process of the battery and the test results will be described in detail below.
まず、約20cm高さのクラッド式正極板４枚とペースト式
負極板５枚、セパレータには微細ガラス繊維をシート状
にしたものを用いて極板群を作製し、これを電槽内に収
納した。次に比重1.20（20℃）の希硫酸を1400cc注液し
て34Ａの電流で極板群の化成を開始し、化成電気量が正
極板の理論容量の約70％，約170 ％あるいは約270 ％に
達した時点でゲル化剤であるコロイダルシリカの20％溶
液を730cc 注液し、さらに化成を続け、正極板理論容量
の350 ％（1750Ah）の電気量を通電した。First, an electrode plate group was prepared using four clad type positive electrode plates with a height of about 20 cm, five paste type negative electrode plates, and a sheet-shaped separator made of fine glass fiber, and stored in a battery case. did. Next, 1400 cc of dilute sulfuric acid having a specific gravity of 1.20 (20 ° C) was injected and the formation of the electrode plate group was started at a current of 34 A, and the amount of electricity formed was about 70%, about 170% or about 270% of the theoretical capacity of the positive electrode plate. At the time when the concentration reached 100%, 730 cc of a 20% solution of gelling agent colloidal silica was injected, the formation was further continued, and electricity of 350% (1750 Ah) of the theoretical capacity of the positive electrode plate was applied.
化成後、常法にしたがって安全弁などを装着して本発明
による約120Ah(5HR)容量の電池、すなわちゲル化剤の投
入時期を正極板理論容量の70％，170 ％あるいは270 ％
に達した時点とした電池Ａ，Ｂ，Ｃを製作した。また、
比較のため上記希硫酸とゲル化剤の水溶液とを予め混合
した後注液して化成を行った従来方法による電池Ｄも製
作した。After formation, a battery having a capacity of about 120 Ah (5 HR) according to the present invention, that is, a gelling agent is put in 70%, 170% or 270% of the theoretical capacity of the positive electrode plate by attaching a safety valve or the like according to a conventional method.
The batteries A, B, and C were manufactured at the time when the battery reached the temperature. Also,
For comparison, a battery D was also manufactured by a conventional method in which the above dilute sulfuric acid and an aqueous solution of a gelling agent were mixed in advance and then poured to perform chemical conversion.
なお、電槽化成中の電解液比重（希硫酸濃度）の推移を
調べるためこれらの電池には、極板群と電槽との間の
上，下部に小さな正・負極板からなる比重センサーを取
り付けた。In addition, in order to investigate the transition of the specific gravity (dilute sulfuric acid concentration) of the electrolytic solution during formation of the battery case, these batteries have specific gravity sensors consisting of small positive and negative electrode plates above and below the electrode plate group and the battery case. I installed it.
これらの電池を電槽化成した後５時間率放電容量試験を
行った。その結果を第１表に示す。本発明による電池
Ａ，Ｂ，Ｃの放電容量は従来法による電池Ｄのそれより
もかなり多いことがわかる。 After forming these batteries in a battery case, a 5-hour rate discharge capacity test was conducted. The results are shown in Table 1. It can be seen that the discharge capacities of the batteries A, B, C according to the invention are considerably higher than that of the battery D according to the conventional method.
また、上記電池を放電深さ75％の充放電サイクル試験に
供したところ、第１図に示したように、本発明による電
池Ａ，Ｂ，Ｃはいずれも従来法による電池Ｄに比べ著し
く寿命性能が優れていた。Further, when the above battery was subjected to a charge / discharge cycle test with a discharge depth of 75%, as shown in FIG. 1, all of the batteries A, B and C according to the present invention had a significantly longer life than the battery D according to the conventional method. The performance was excellent.
この理由を明らかにするためこれらの電池の電槽化成中
の電解液比重の推移を第２図に示す。図においてＢ−上
およびＢ−下は電池Ｂの上部および下部の電解液比重の
推移を、Ｄ−上およびＤ−下は電池Ｄの上部および下部
の電解液比重の推移をそれぞれ示す。In order to clarify the reason for this, FIG. 2 shows the transition of the specific gravity of the electrolytic solution during the formation of the battery case of these batteries. In the figure, B-upper and B-lower represent changes in the electrolytic solution specific gravity of the upper and lower parts of the battery B, and D-upper and D-lower represent changes in the electrolytic solution specific gravity of the upper and lower parts of the battery D, respectively.
また、化成終期の電池上，下部の電解液比重を第２表に
示す。Table 2 shows the specific gravity of the electrolyte above and below the battery at the end of formation.
従来法による電池Ｄは、化成初期から電池上，下部の電
解液比重の差が大きく、化成が進行してもその比重差は
解消されず逆に広がって行く傾向にある。一方本発明法
による電池は、化成初期では上，下部の比重差はかなり
大きいものの、化成が進行するにつれ、その差は著しく
て小さくなった。また、本発明法による電池の中でも化
成終期の電池上，下部の電解液比重の差はゲル化剤を注
液する時期を遅らせた方が小さかった。このことから、
本発明法による電池の放電容量が従来法による電池Ｄに
比べて優れていたのは、本発明法による電池では化成後
の電解液の成層化がほとんどなく、正・負極板が均一に
放電できたためと考えられる。また、寿命性能について
も本発明法による電池では極板全体にわたって均一な放
電をされるため、正・負極活物質の劣化が少なく、その
結果、従来法による電池Ｄに比べて著しく優れていたと
考えられる。 In the battery D manufactured by the conventional method, the difference in the specific gravity of the electrolytic solution between the upper and lower parts of the battery is large from the beginning of the formation, and even if the formation is advanced, the difference in the specific gravity is not eliminated but tends to widen. On the other hand, in the battery according to the method of the present invention, the difference in specific gravity between the upper and lower portions was considerably large in the early stage of formation, but as the formation proceeded, the difference became significantly smaller. Further, among the batteries prepared by the method of the present invention, the difference in the specific gravity of the electrolyte above and below the battery at the end of formation was smaller when the time for injecting the gelling agent was delayed. From this,
The discharge capacity of the battery according to the method of the present invention was superior to that of the battery D according to the conventional method, because the battery according to the present invention showed almost no stratification of the electrolytic solution after formation, and the positive and negative electrode plates could be uniformly discharged. It is thought to be a tame. Further, regarding the life performance, since the battery according to the method of the present invention is uniformly discharged over the entire electrode plate, the positive and negative electrode active materials are less deteriorated, and as a result, it is considered that the battery D is significantly superior to the battery D according to the conventional method. To be
なお、本発明による電池Ａ，Ｂ，Ｃの中でも化成終期の
上，下電解液比重の差が小さいほど放電容量，寿命性能
が優れており、正極板の理論容量の約270 ％を化成した
時点でゲル化剤を注液するのが最も好ましいと考えられ
る。In the batteries A, B, and C according to the present invention, the discharge capacity and life performance are more excellent as the difference in the specific gravity of the lower and lower electrolytes is smaller at the end of the formation, and when about 270% of the theoretical capacity of the positive electrode plate is formed. It is considered most preferable to inject the gelling agent with.
発明の効果 以上のべたように本発明によるゲル式密閉形鉛電池は従
来のゲル式密閉形鉛電池に比べて、放電容量およびサイ
クル寿命性能が著しく優れており、その工業的価値は極
めて大きい。EFFECTS OF THE INVENTION As described above, the gel sealed lead-acid battery according to the present invention is significantly superior in discharge capacity and cycle life performance to the conventional gel sealed lead-acid battery, and its industrial value is extremely large.
第１図は充放電サイクル試験中の放電容量の推移を示す
特性図、第２図は電槽化成中電池上，下部の電解液比重
の推移を示す特性図である。FIG. 1 is a characteristic diagram showing a change in discharge capacity during a charge-discharge cycle test, and FIG. 2 is a characteristic diagram showing a change in specific gravity of an electrolytic solution above and below a battery during battery case formation.
Claims (1)
解液として使用する密閉形鉛電池において、極板を未化
成の状態で組立て電槽内に収納した後、まず希硫酸を注
液して電槽内で化成し、化成中にゲル化剤あるいはゲル
化剤の水溶液を注液することにより製造することを特徴
とする密閉形鉛電池の製造方法。1. In a sealed lead-acid battery using dilute sulfuric acid gelled with a gelling agent as an electrolyte, the electrode plate is assembled in an unformed state and stored in a battery case, and then dilute sulfuric acid is first added. A method for producing a sealed lead-acid battery, which comprises producing by injecting a solution, forming it in a battery case, and injecting a gelling agent or an aqueous solution of a gelling agent during the formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1282497A JPH0656771B2 (en) | 1989-10-30 | 1989-10-30 | Method for manufacturing sealed lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1282497A JPH0656771B2 (en) | 1989-10-30 | 1989-10-30 | Method for manufacturing sealed lead-acid battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03145067A JPH03145067A (en) | 1991-06-20 |
| JPH0656771B2 true JPH0656771B2 (en) | 1994-07-27 |
Family
ID=17653210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1282497A Expired - Lifetime JPH0656771B2 (en) | 1989-10-30 | 1989-10-30 | Method for manufacturing sealed lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0656771B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5031332A (en) * | 1973-07-25 | 1975-03-27 | ||
| JPS524730A (en) * | 1975-06-30 | 1977-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Progressive-jumping scanning conversion type frame video memory |
-
1989
- 1989-10-30 JP JP1282497A patent/JPH0656771B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5031332A (en) * | 1973-07-25 | 1975-03-27 | ||
| JPS524730A (en) * | 1975-06-30 | 1977-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Progressive-jumping scanning conversion type frame video memory |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03145067A (en) | 1991-06-20 |
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