JPH0251853A - Enclosed lead storage battery - Google Patents
Enclosed lead storage batteryInfo
- Publication number
- JPH0251853A JPH0251853A JP63201410A JP20141088A JPH0251853A JP H0251853 A JPH0251853 A JP H0251853A JP 63201410 A JP63201410 A JP 63201410A JP 20141088 A JP20141088 A JP 20141088A JP H0251853 A JPH0251853 A JP H0251853A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- partition wall
- synthetic rubber
- connecting body
- partition
- 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
- 238000005192 partition Methods 0.000 claims abstract description 34
- 229920003051 synthetic elastomer Polymers 0.000 claims abstract description 17
- 239000005061 synthetic rubber Substances 0.000 claims abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 10
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 9
- 239000000057 synthetic resin Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims description 4
- 229920002681 hypalon Polymers 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 13
- 239000003792 electrolyte Substances 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 4
- 238000007654 immersion Methods 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910020220 Pb—Sn Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 229910021514 lead(II) hydroxide Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
- H01M50/529—Intercell connections through partitions, e.g. in a battery casing
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は密閉型鉛蓄電池に関するもので、合成樹脂製電
槽の隔壁を介して隣接するセルを、隔壁に設けた透孔な
通して接続する密閉型鉛蓄電池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 a sealed lead-acid battery, in which adjacent cells are connected through a partition wall of a synthetic resin battery case through a through hole provided in the partition wall. This paper concerns improvements to type lead-acid batteries.
従来の技術
従来、この神の密閉型鉛り電池は、第２図に示すように
合成樹脂製電槽の隔壁ｌを介して隣り合う２個のセルの
うち、負極用接続体３には隔壁に設けた透孔２と対向す
る透孔を、ＩＥ極田川接続体４は隔壁の透孔２を貫通し
て負極用接続体：３に設けた透孔に嵌合する突起をそれ
ぞれ設け、この両接続体の嵌合部に対向してトーチを配
；γｔするとともに、前記嵌合部に対向して溶接案内部
を設けた加圧片と導電体を兼ねた加圧片とを両接続体の
外側面に位置させ、この両加圧片によって両方の接続体
を隔壁に面接触状態で加圧し、この加圧状態で両接続体
の嵌合部を１１；ｉ記溶接案内部を介してプラズマ溶接
するものであった。Conventional technology Conventionally, as shown in Fig. 2, this sealed type lead-acid battery has two cells adjacent to each other with a partition wall l of a synthetic resin battery case interposed therebetween, and a partition wall is attached to the negative electrode connector 3. The IE pole Tagawa connector 4 has a through hole opposite to the through hole 2 provided in the partition wall, and the IE pole Tagawa connector 4 is provided with a protrusion that passes through the through hole 2 of the partition wall and fits into the through hole provided in the negative electrode connector 3. A torch is arranged facing the fitting part of both the connecting bodies, and a pressure piece having a welding guide part facing the fitting part and a pressing piece serving as a conductor are connected to both the connecting bodies. The pressure pieces are placed on the outer surfaces of the connecting bodies, and the pressure pieces are used to apply pressure to both connecting bodies in surface contact with the partition wall, and in this pressurized state, the fitting portions of both connecting bodies are It was to be plasma welded.
発明が解決しようとする課題
１４ ＋？Ｌ！のようなセル間接続構造をもった従来の
蓄電池を定電圧充電、いわゆるトリクル充電を行なった
ところ、第３図に示すように１′１極川接続体３表面に
腐食生成物７ができるとともに、隔壁と接続体との微小
間隙にも電解液が入ることにより腐食生成物ができ、最
悪の場合、未溶接部へにまで腐食が進行して、ついには
接続体が分断することがあった。Problems to be solved by the invention 14 +? L! When a conventional storage battery with an inter-cell connection structure as shown in FIG. When the electrolyte enters the minute gap between the partition wall and the connection body, corrosion products are formed, and in the worst case, corrosion progresses to the unwelded parts, eventually causing the connection body to separate. .
密閉型鉛蓄電池をトリクル充電して使用する場合、負極
用接続体には次のような機構で硫酸鉛（１〕ｔ）ｓｏ、
）を主成分とする腐食物が生成すると考えられる。When using a sealed lead-acid battery with trickle charging, the negative electrode connector is charged with lead sulfate (1) t)so,
) is considered to be the main component.
Ｐ ｂ 十坏０２ − ＰｂＯ・・・・・・ （
１）ｐｂｏ＋Ｈｚｓｏ４→１）ｂｓｏ４＋Ｈ，０叉は１
）ｂｏ＋、ｌＩ２０ − １）ｂ （Ｏｌｌ） ｚ・
・・・・・ （３）
トリクル充電で発生した酸素と接触した鉛は酸化鉛［（
１）式］を経て硫酸と反応し、硫酸鉛となる［（２）式
］。Pb Jujyo 02 - PbO・・・・・・ (
1) pbo+Hzso4→1)bso4+H, 0 or 1
)bo+, lI20 − 1)b (Oll) z・
(3) Lead that comes into contact with oxygen generated during trickle charging becomes lead oxide [(
It reacts with sulfuric acid through the formula (1)] and becomes lead sulfate [formula (2)].
叉、接続体部分では硫酸の供給が少ないために硫酸は消
費され中性域に近づくことから、（３）式に小ずような
水酸化鉛の生成も考えられる。このようにして生成され
た腐食物は微小間隙にもはいり込み、いわゆる隙間腐食
としてクサビ状に接続体内部へと腐食を進行させ、つい
には接続体が分断することとなる。Furthermore, since the supply of sulfuric acid is small in the connecting body portion, the sulfuric acid is consumed and approaches the neutral region, so it is possible that lead hydroxide as shown in equation (3) is generated in small amounts. The corrosive substances thus generated enter into minute gaps, causing so-called crevice corrosion to progress into the connecting body in a wedge-like manner, and eventually causing the connecting body to split.
本発明はこのような問題点を解決したもので、セル間接
続部への電解液の浸入を防１にし、腐食に対する信頼性
を向上させると共に電池の長寿命化を図ることを目的と
する。The present invention solves these problems, and aims to prevent electrolyte from entering the inter-cell connections, improve reliability against corrosion, and extend battery life.
課題を解決するための手段
１−記目的を達成するために本発明は、合成樹脂”製電
槽の隔壁に設けた透孔を介して隣り合う２個のセルを接
続する密閉型鉛１％電池において、加圧溶接される接続
体と隔壁とが互いに対向する而に耐酸性な有する合成ゴ
ムを配置し、隔壁と接続体とでこの合成ゴムを加圧し、
前記２個の接続体を溶接して一体に固定したものである
。Means for Solving the Problems 1 - In order to achieve the object described above, the present invention provides a sealed 1% lead battery that connects two adjacent cells through a through hole provided in the partition wall of a battery case made of synthetic resin. In the battery, acid-resistant synthetic rubber is placed between the connection body and the partition wall to be pressure welded, facing each other, and the synthetic rubber is pressurized between the partition wall and the connection body,
The two connecting bodies are welded and fixed together.
作 用
本発明は上記のような構成を採ったので、加圧された合
成ゴムは接続体と合成樹脂製電槽隔壁との間の微小間隙
を塞ぐバッキングの役割を果たし、微小間隙への電解液
の浸入を抑制して腐食の進１１を防ｔ！−することがで
きる。Function Since the present invention adopts the above-mentioned configuration, the pressurized synthetic rubber plays the role of a backing that closes the minute gap between the connecting body and the synthetic resin battery cell partition wall, and prevents electrolysis from entering the minute gap. Prevent corrosion by suppressing liquid infiltration! -Can be done.
実施例
以ド、本発明の実施例について、第１図を参照して説明
する。ｌは合成樹脂例えばポリプロピレン樹脂からなる
電槽の隔壁、２は隔壁ｌに設けた接続用透孔、３は鉛合
金製負極用接続体で、本実施例ではＰ ｂ −Ｓ ｎ合
金製であり、透孔２と対向−４゛る透孔を何している。Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIG. 1 is a partition wall of the battery case made of a synthetic resin such as polypropylene resin, 2 is a connecting hole provided in the partition wall 1, and 3 is a negative electrode connector made of a lead alloy, in this example, it is made of a Pb-Sn alloy. , what are the through holes 2 and 4 opposite to each other?
４は船台金製のＩＥ極川用続体で、透孔２を貫通し負極
用接続体３の透孔と嵌合する突起５が設けられている。Reference numeral 4 denotes an IE polar river connection body made of ship metal, and is provided with a protrusion 5 that passes through the through hole 2 and fits into the through hole of the negative electrode connector 3.
６は隔壁１とＣ’Ｊ ｈ用接続体３との間に介在固定し
た合成ゴムで、この合成ゴム６は負極用接続体３と対向
する隔壁１面にアセトンを溶剤として溶かしたクロロス
ルフォン化ポリエチレンを塗布した後、７０℃の恒温槽
中に２時間入れて溶剤を揮発させることにより付着され
ている。6 is a synthetic rubber interposed and fixed between the partition wall 1 and the C'J h connection body 3, and this synthetic rubber 6 is chlorosulfonated by dissolving acetone as a solvent on the surface of the partition wall facing the negative electrode connection body 3. After applying polyethylene, it is placed in a constant temperature bath at 70° C. for 2 hours to volatilize the solvent.
Ｉｉいに隣り合ったＣ’ｓ極用接続体３と正極用接続体
４との透孔と突起５とによる嵌合部に対向してトーチを
配置するとともに、＋ｉｉｉ記嵌合部に対向して溶接案
内部を設けた加圧片と導電体を兼ねた加圧片とを両接続
体３．４の外側面に位置させ、この両加圧片によって両
方の接続体３，４および１ｊ；１記合成ゴム６を隔壁に
面接触状態で加圧し、この加圧状態で両接続体３．４の
嵌合部を１ｒｉ記溶接案内部を介してプラズマ溶接する
。The torch is arranged opposite to the fitting part between the through hole and the protrusion 5 between the adjacent C's electrode connecting body 3 and the positive electrode connecting body 4, and the torch is placed opposite to the fitting part described in +iii. A pressure piece provided with a welding guide and a pressure piece that also serves as a conductor are positioned on the outer surface of both connecting bodies 3.4, and these pressure pieces are used to connect both connecting bodies 3, 4 and 1j; 1. The synthetic rubber 6 is pressurized in surface contact with the partition wall, and in this pressurized state, the fitting portions of both connectors 3.4 are plasma welded via the welding guide portions 1ri.
本実施例では合成ゴムを電槽の隔壁と負極用接続体の対
向面に配置したが、隔壁と＋Ｅ極川用続体の対向面に配
置してもよい。In this embodiment, the synthetic rubber is placed on the opposing surfaces of the partition wall of the battery case and the negative electrode connection body, but it may be placed on the opposing surfaces of the partition wall and the +E electrode connection body.
上記実施例によって形成した１２Ｖ ２４△１１／２
０１１１１＋’Ｗ電池と従来品について、それぞれ２０
個を６０℃の環境−ドで、２．３Ｖ／セルの定電圧充電
を６ケに目ｊ１１実施した場合の嵌合部の未溶接部へへ
の゛電解液の浸入および腐食の発生状況を観察したとこ
ろ５発生個所の数は次の通りであった。12V 24△11/2 formed according to the above example
20 each for 01111+'W batteries and conventional products.
The following table shows the occurrence of electrolyte infiltration and corrosion into the unwelded parts of the mating parts when 6 cells were charged at a constant voltage of 2.3 V/cell in an environment at 60°C. As a result of observation, the number of 5 occurrence locations was as follows.
尚２電池１個当り５ケ所の接続部を何するのでン；１池
２０個で１００ケ所の接続部がある。What should I do with the 5 connections per 2 batteries? There are 100 connections in 20 batteries.
Δ部への液浸入の発生数 Δ部での腐食発生数従来品
ｌ ００／ｌ ００ ’６３／ｌ ００本発明
品 １０／Ｉ ００ ０／ｌ ００Ｌ記の通
り、従来品では１００ケ所の接続体未溶接部Δの全てに
ついて液の浸入があり、そのうち６３ケ所では腐食が発
生している。これに対し、本実施例では液の浸入は１０
ケ所みられるものの腐食の発生は全くなかった。Number of occurrences of liquid intrusion into the Δ section Number of occurrences of corrosion at the Δ section Conventional product
l 00/l 00 '63/l 00Product of the present invention 10/I 00 0/l 00LAs noted, in the conventional product, liquid intruded into all of the 100 unwelded parts Δ of the connection body, and 63 of them had leakage. Corrosion is occurring. On the other hand, in this example, the liquid infiltration was 10
Although corrosion was observed in some places, no corrosion occurred at all.
発明の効果
１−記のように本発明によれば、合成樹脂製電槽の隔壁
に設けた透孔な介して隣り合う２個のセルを接続する密
閉７％＋４鉛岳電池において、隔壁と接続体が対向する
而に耐酸性を有する合成ゴムを配置し加ＩＩ・すること
により、接続体と隔壁との間に浸透する電解液の浸入を
抑制することができ、この１ｕ解液浸人の抑制により、
電解液の介在で起こる腐食、例えば［１極側に発生ずる
硫酸鉛などの生成を防ＩＬすることができる。その結果
、電池としての接続部のイ、イ頼性が向−１−シ、電池
の長寿命化を図ることかできる等の効果なイ１゛する。Effects of the Invention 1 - According to the present invention, in a sealed 7% + 4 lead battery that connects two adjacent cells through a through hole provided in the partition wall of a synthetic resin battery case, the partition wall and By placing acid-resistant synthetic rubber between the connecting bodies and the partition wall, it is possible to suppress the infiltration of the electrolytic solution between the connecting body and the partition wall. By suppressing
Corrosion caused by the presence of electrolyte, such as the formation of lead sulfate on the single electrode side, can be prevented. As a result, the reliability of the connecting portion as a battery is improved, and the life of the battery can be extended.
第１図は本発明による密閉型鉛ｌｉ電池の一実施例を示
した要部断面図、第２図は従来例の要部断面図、第３図
は従来品のトリクル使用後のセル間接続部断面図である
。
１・・・電槽隔壁 ２・・・隔壁の透孔３・・・負極
用接続体 ４・・・正極用接続体６・・・合成ゴム
出願人 松ド電器産業株式会社
代理人 ブ↑理１で 犬 島 −分筆
閏
＠３図Figure 1 is a sectional view of the main parts of an embodiment of the sealed lead-li battery according to the present invention, Figure 2 is a sectional view of the main parts of the conventional example, and Figure 3 is the connection between cells after trickle use in the conventional product. FIG. 1... Battery case partition wall 2... Through hole in partition wall 3... Connector for negative electrode 4... Connector for positive electrode 6... Synthetic rubber Applicant Matsuda Denki Sangyo Co., Ltd. Agent B↑R. 1. Inujima - Bunpencho@3 diagrams
Claims (2)
合う２個のセルを接続する密閉型鉛蓄電池において、加
圧溶接される接続体と隔壁とが互いに対向する面に耐酸
性を有する合成ゴムを配置し、隔壁と接続体とでこの合
成ゴムを加圧し、前記２個の接続体を溶接して一体に固
定したことを特徴とする密閉型鉛蓄電池。(1) In a sealed lead-acid battery that connects two adjacent cells through a hole in the partition wall of a synthetic resin battery case, acid-proof surfaces where the connection body to be pressure welded and the partition wall face each other are What is claimed is: 1. A sealed lead-acid battery, characterized in that a synthetic rubber having properties of elasticity is arranged, the synthetic rubber is pressurized by a partition wall and a connecting body, and the two connecting bodies are welded and fixed together.
に溶かしたクロロスルフォン化ポリエチレン等の合成ゴ
ムを隔壁又は接続体に塗布し、溶剤を揮発させて配置し
た請求項（１）記載の密閉型鉛蓄電池。(2) Claim (1) that the synthetic rubber provided on the opposing surfaces of the partition wall and the connecting body is a synthetic rubber such as chlorosulfonated polyethylene dissolved in a solvent that is applied to the partition wall or the connecting body and the solvent is volatilized. Sealed lead acid battery as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63201410A JPH0251853A (en) | 1988-08-11 | 1988-08-11 | Enclosed lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63201410A JPH0251853A (en) | 1988-08-11 | 1988-08-11 | Enclosed lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0251853A true JPH0251853A (en) | 1990-02-21 |
Family
ID=16440622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63201410A Pending JPH0251853A (en) | 1988-08-11 | 1988-08-11 | Enclosed lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0251853A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004518009A (en) * | 2001-01-23 | 2004-06-17 | アクゾ・ノーベル・ナムローゼ・フエンノートシャップ | Drag reduction of heat distribution water-based liquid containing large amount of antifreeze |
| JP2013253198A (en) * | 2012-06-08 | 2013-12-19 | Toyota Motor Corp | Coolant composition and method for driving internal combustion engine by using the same |
| JP2014012831A (en) * | 2012-06-08 | 2014-01-23 | Toyota Motor Corp | Coolant composition and method of operating internal combustion engine using the same |
-
1988
- 1988-08-11 JP JP63201410A patent/JPH0251853A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004518009A (en) * | 2001-01-23 | 2004-06-17 | アクゾ・ノーベル・ナムローゼ・フエンノートシャップ | Drag reduction of heat distribution water-based liquid containing large amount of antifreeze |
| JP2013253198A (en) * | 2012-06-08 | 2013-12-19 | Toyota Motor Corp | Coolant composition and method for driving internal combustion engine by using the same |
| JP2014012831A (en) * | 2012-06-08 | 2014-01-23 | Toyota Motor Corp | Coolant composition and method of operating internal combustion engine using the same |
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