JPH04249064A - Lead-acid battery - Google Patents
Lead-acid batteryInfo
- Publication number
- JPH04249064A JPH04249064A JP3032453A JP3245391A JPH04249064A JP H04249064 A JPH04249064 A JP H04249064A JP 3032453 A JP3032453 A JP 3032453A JP 3245391 A JP3245391 A JP 3245391A JP H04249064 A JPH04249064 A JP H04249064A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- electrode plate
- tab
- neg
- negative electrode
- 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
- 239000002253 acid Substances 0.000 title claims abstract description 37
- 239000011148 porous material Substances 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 6
- 239000003365 glass fiber Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 3
- 101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 abstract description 2
- 230000001458 anti-acid effect Effects 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 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
-
- 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
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、安全で信頼性の高い鉛
蓄電池に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safe and highly reliable lead acid battery.
【０００２】0002
【従来の技術とその課題】鉛蓄電池は、安価、高信頼性
などによって、自動車用、据置用、電気車用など多くの
分野で使用されている。[Prior Art and Its Problems] Lead-acid batteries are used in many fields such as automobiles, stationary batteries, and electric vehicles due to their low cost and high reliability.
【０００３】一方、鉛蓄電池が使用される環境は、最近
、特に厳しくなってきている。たとえば、自動車用鉛蓄
電池が使用されている自動車においては、クーラー装着
率の増加やエンジンの高出力化などにより熱発生量が増
える一方、スラントノーズ化や各種電装品の高密度配置
による冷気流入不足によって、ボンネット内に設置され
ている鉛蓄電池が高温にさらされやすくなっている。
さらに、オルタネータの出力アップによる充電電流の増
加によって鉛蓄電池の一層の高温化や過充電が引き起こ
される。その上、リヤ・ワイパーやパワー・ウインドウ
などの電動装置の増加や、オーディオ機器などのアクセ
サリーの増加並びにコンピュータ化による暗電流の増加
などによって、鉛蓄電池がより一層深く放電される傾向
にある。電気車用鉛蓄電池においても、バッテリー・フ
ォークリフトの稼働率の向上や充放電電流の増加によっ
て、鉛蓄電池の高温化、過充電、深放電の傾向が助長さ
れている。On the other hand, the environment in which lead-acid batteries are used has recently become particularly severe. For example, in cars that use automotive lead-acid batteries, the amount of heat generated increases due to an increase in the number of coolers installed and higher engine output, but at the same time there is a lack of cool air inflow due to the slant nose and high density arrangement of various electrical components. As a result, lead-acid batteries installed under the hood are easily exposed to high temperatures. Furthermore, an increase in charging current due to an increase in the output of the alternator causes the lead-acid battery to become even hotter and overcharged. Furthermore, lead-acid batteries tend to be discharged more deeply due to the increase in electric devices such as rear wipers and power windows, the increase in accessories such as audio equipment, and the increase in dark current due to computerization. Even in lead-acid batteries for electric vehicles, the tendency of lead-acid batteries to become hotter, overcharged, and deeply discharged is exacerbated by the improved operating rates of batteries and forklifts and the increase in charging and discharging current.
【０００４】これらの高温、過充電、深放電という要因
は、鉛蓄電池の寿命を短くするものであり、いずれもけ
っして好ましいものではないが、その中でも、特に、高
温化は重要な問題である。なぜなら、高温化によって鉛
蓄電池内の希硫酸中の水分が蒸発しやすくなるだけでな
く、充電電流が増え、水の電気分解が一層増加し、その
結果、電解液面の低下が非常に速くなる。通常、鉛蓄電
池には、適正な電解液面の範囲が、印刷・彫り込みなど
の方法によって示されており、鉛蓄電池を使用する際に
は、電解液面が常に示された範囲内にあるよう適宜補水
することになっている。しかし、あまりにも急激に電解
液面が低下すると、電解液面が適正範囲の下限よりさら
に下方に位置したままで使用されることが起こりうる。
このような状態が続くと、正・負極板が急速に劣化し、
鉛蓄電池の寿命が著しく短くなる。さらに、負極板耳の
ストラップ近傍が異常に腐食され、はなはだしい場合に
は、爆発の危険が伴うことも考えられる。[0004] These factors such as high temperature, overcharging, and deep discharge shorten the life of lead-acid batteries, and none of them are preferable, but among them, high temperature is a particularly important problem. This is because the high temperature not only makes it easier for the water in the dilute sulfuric acid in the lead-acid battery to evaporate, but also increases the charging current and further increases the electrolysis of water, resulting in the electrolyte level dropping very quickly. . Normally, the appropriate electrolyte level range is indicated on lead-acid batteries by a method such as printing or engraving, and when using a lead-acid battery, make sure that the electrolyte level is always within the indicated range. Water will be replenished as appropriate. However, if the electrolyte level drops too rapidly, the electrolyte level may be used while being located further below the lower limit of the appropriate range. If this condition continues, the positive and negative electrode plates will rapidly deteriorate.
The lifespan of lead-acid batteries is significantly shortened. Furthermore, if the vicinity of the strap of the negative electrode plate lugs is abnormally corroded and the corrosion is severe, there may be a risk of explosion.
【０００５】このような事態を避けるためには、自動車
やフォークリフトなどを設計する際に、できるだけ鉛蓄
電池の温度が上昇しないように考慮するとともに、使用
する際には頻繁に電解液面をチェックし、常に適正な電
解液面を維持するようにすることが大切である。しかし
、鉛蓄電池自体も、安全性及び信頼性の観点からこのよ
うな場合にでも、できるだけ危険でないようにする事が
望ましい。[0005] In order to avoid this situation, when designing automobiles, forklifts, etc., take care to prevent the temperature of lead-acid batteries from rising as much as possible, and check the electrolyte level frequently when using them. It is important to always maintain an appropriate electrolyte level. However, from the viewpoint of safety and reliability, it is desirable to make the lead-acid battery itself as safe as possible even in such cases.
【０００６】本発明は、鉛蓄電池が厳しい状況下で使用
された場合にでも、負極板耳が腐食しないようにするこ
とである。The object of the present invention is to prevent the negative plate lugs from corroding even when a lead-acid battery is used under severe conditions.
【０００７】[0007]
【課題を解決するための手段】本発明は、負極板耳の周
辺に耐酸性を有する多孔体を耳表面と密着して配置する
ことによって、上述のような厳しい状況下で使用された
場合にでも、負極板耳の腐食を防ぐことを可能にするも
のである。[Means for Solving the Problems] The present invention provides a structure in which a porous material having acid resistance is placed around the negative electrode plate lug in close contact with the lug surface, so that when used under the above-mentioned severe conditions, However, it is possible to prevent corrosion of the negative electrode plate lugs.
【０００８】[0008]
【実施例】（実施例１） 図１は、本発明鉛蓄電池の
一実施例を示す負極ストラップ近傍の模式図である。EXAMPLES (Example 1) FIG. 1 is a schematic diagram of the vicinity of a negative electrode strap showing an example of a lead-acid battery according to the present invention.
【０００９】常法にしたがって１セル当り正極板１が４
枚、負極板２が５枚の自動車用鉛蓄電池（公称容量
２８Ａｈ、５時間率）の極板群を組み立てた。正極板１
と負極板２との間には短絡を防止するためセパレータ３
とガラスマット４とを挿入した。キャスト・オン・スト
ラップ（ＣＯＳ）法によってストラップ５を形成した後
、直径約１ミクロンの極細ガラス繊維からなるマット状
体６を、負極板２の耳７表面とよく密着するように差し
込んだ。その後、この極板群を電槽に挿入し、電槽隔壁
と端の負極板耳との間にも極細ガラス繊維からなるマッ
ト状体を差し込んだ。次いで、抵抗溶接によるセル間接
続、熱溶着による電槽と蓋との溶着、端子の溶接などを
通常の方法によって行い、自動車用鉛蓄電池を完成させ
た。According to a conventional method, the number of positive electrode plates 1 per cell is 4.
automotive lead-acid battery with 5 negative electrode plates 2 (nominal capacity
A group of electrode plates (28Ah, 5 hour rate) was assembled. Positive electrode plate 1
A separator 3 is placed between the negative electrode plate 2 and the negative electrode plate 2 to prevent short circuits.
and glass mat 4 were inserted. After forming the strap 5 by a cast-on-strap (COS) method, a mat-like body 6 made of ultrafine glass fibers having a diameter of about 1 micron was inserted so as to be in close contact with the surface of the lug 7 of the negative electrode plate 2. Thereafter, this electrode plate group was inserted into a battery case, and a mat-like body made of ultrafine glass fiber was also inserted between the battery case partition wall and the negative electrode plate lug at the end. Next, the cells were connected by resistance welding, the battery case and lid were welded together by heat welding, and the terminals were welded using conventional methods to complete the lead-acid battery for automobiles.
【００１０】このようにして作製した鉛蓄電池を７５℃
の恒温槽に入れ、ＳＡＥＪ ２４０による寿命試験に
供した。比較のため、極細ガラス繊維からなるマット状
体を使用していない従来の鉛蓄電池も同時に試験した。
なお、寿命試験中の電解液面は、常に負極板耳７より下
方に位置するようにした。３週間後に負極板耳の腐食状
態を観察した。[0010] The lead-acid battery produced in this way was heated to 75°C.
It was placed in a constant temperature bath and subjected to a life test according to SAEJ 240. For comparison, a conventional lead-acid battery that does not use a mat made of ultra-fine glass fibers was also tested at the same time. Note that the electrolyte level during the life test was always located below the negative electrode plate lug 7. Three weeks later, the state of corrosion of the negative electrode plate lugs was observed.
【００１１】従来品では、図４に示すように負極板耳の
腐食が非常に進行していたが、本発明によるものでは、
図３に示すようにほとんど腐食は見られなかった。
（実施例２） 実施例１と同様な極板群を組み立てた
後、この極板群を電槽に挿入し、抵抗溶接によってセル
間を接続した。その後、負極ストラップ周辺の極板群と
電槽との隙間をホットメルトで目張りした。次に、フェ
ノール発泡樹脂の原料液を負極板耳と耳との間及び負極
ストラップ周辺に注入した。ここでフェノール発泡樹脂
の原料液は主剤、硬化剤、発泡剤及び界面活性剤からな
る混合液で、注入後十数分で発泡及び硬化が完了し負極
板耳と耳との間にほぼ隙間なく存在し、耳とよく密着し
ていた。また、ここでは平均孔径１０ミクロン、気泡率
９２％の連続気泡を有するフェノール樹脂が生成した。
孔径及び気泡率は、発泡剤や界面活性剤、発泡温度など
によって制御することができる。[0011] In the conventional product, the corrosion of the negative electrode plate lugs was extremely advanced as shown in FIG. 4, but in the product according to the present invention,
As shown in Figure 3, almost no corrosion was observed. (Example 2) After assembling the same electrode plate group as in Example 1, this electrode plate group was inserted into a battery case, and the cells were connected by resistance welding. After that, the gap between the electrode plate group and the battery case around the negative electrode strap was sealed with hot melt. Next, a raw material solution of phenol foam resin was injected between the negative electrode plate lugs and around the negative electrode strap. The raw material liquid for the phenol foam resin is a mixed liquid consisting of a base agent, a curing agent, a foaming agent, and a surfactant, and foaming and curing are completed within ten minutes after injection, leaving almost no gap between the edges of the negative electrode plate. It was present and was in close contact with the ear. In addition, a phenolic resin having open cells with an average pore diameter of 10 microns and a cell ratio of 92% was produced here. The pore size and cell rate can be controlled by the foaming agent, surfactant, foaming temperature, and the like.
【００１２】上述のようにして負極板耳と耳との間に連
続気泡を有するフェノール発泡樹脂を充填した後、電槽
と蓋との溶着、端子の溶接などを通常の方法によって行
い、自動車用鉛蓄電池を完成させた。[0012] After filling the spaces between the negative electrode plate ears with phenolic foamed resin having open cells as described above, welding the battery case and the lid, welding the terminals, etc. are carried out by the usual methods, and then Completed the lead-acid battery.
【００１３】負極ストラップ近傍の模式図を図２に示す
。ここで、５は負極ストラップ、７は負極板耳、８は電
槽の隔壁、９は連続気泡を有するフェノール発泡樹脂、
１０は目張りに用いたホットメルトである。FIG. 2 shows a schematic diagram of the vicinity of the negative electrode strap. Here, 5 is a negative electrode strap, 7 is a negative electrode plate lug, 8 is a partition wall of a battery case, 9 is a phenol foam resin having open cells,
10 is a hot melt used for filling.
【００１４】この鉛蓄電池を実施例１と同様な試験に供
したところ、負極板耳の腐食はほとんど観察されなかっ
た。When this lead-acid battery was subjected to the same test as in Example 1, almost no corrosion of the negative electrode plate lugs was observed.
【００１５】これらの実施例において、本発明による鉛
蓄電池負極板耳がほとんど腐食されなかったのは、負極
板耳と密着している多孔体の微細な空隙に電解液が保持
されたために負極板耳が常に電解液に接するようになっ
たこと、充電時に発生する酸素による負極板耳の酸化が
多孔体によって防がれたことなどによるものと考えられ
る。In these examples, the lead-acid battery negative plate lug according to the present invention was hardly corroded because the electrolyte was retained in the fine voids of the porous material that was in close contact with the negative plate lug. This is thought to be due to the fact that the lugs are now in constant contact with the electrolyte, and that the porous material prevents oxidation of the lugs of the negative electrode plate due to oxygen generated during charging.
【００１６】[0016]
【発明の効果】以上詳述したように、本発明による鉛蓄
電池は厳しい状況下で使用されても負極板耳が腐食する
ことがなく安全で信頼性の高い鉛蓄電池を提供するもの
であり、その工業的価値は非常に大きい。[Effects of the Invention] As detailed above, the lead-acid battery according to the present invention provides a lead-acid battery that is safe and highly reliable because the negative electrode plate lugs do not corrode even when used under severe conditions. Its industrial value is enormous.
【図１】本発明鉛蓄電池の一実施例を示す負極ストラッ
プ近傍の模式図である。FIG. 1 is a schematic diagram of the vicinity of a negative electrode strap showing an embodiment of a lead-acid battery according to the present invention.
【図２】本発明鉛蓄電池の他の一実施例を示す負極スト
ラップ近傍の模式図である。FIG. 2 is a schematic diagram of the vicinity of the negative electrode strap showing another embodiment of the lead-acid battery of the present invention.
【図３】試験後の本発明による鉛蓄電池の負極ストラッ
プの腐食状態を示す模式図である。FIG. 3 is a schematic diagram showing the corrosion state of the negative electrode strap of the lead-acid battery according to the present invention after a test.
【図４】試験後の従来品の鉛蓄電池の負極ストラップの
腐食状態を示す模式図である。FIG. 4 is a schematic diagram showing the corrosion state of the negative electrode strap of a conventional lead-acid battery after a test.
１ 正極板 ２ 負極板 ３ セパレータ ４ ガラスマット ５ 負極ストラップ ６ マット状体 ７ 負極板耳 ８ 電槽の隔壁 ９ フェノール発泡樹脂 １０ ホットメルト 1 Positive electrode plate 2 Negative electrode plate 3 Separator 4 Glass mat 5 Negative electrode strap 6 Mat-like body 7 Negative electrode plate lug 8 Partition wall of battery case 9 Phenol foam resin 10 Hot melt
Claims (1)
体を耳表面と密着して配置したことを特徴とする鉛蓄電
池。1. A lead-acid battery characterized in that an acid-resistant porous material is disposed around a negative electrode plate lug in close contact with the lug surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3032453A JPH04249064A (en) | 1991-01-31 | 1991-01-31 | Lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3032453A JPH04249064A (en) | 1991-01-31 | 1991-01-31 | Lead-acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04249064A true JPH04249064A (en) | 1992-09-04 |
Family
ID=12359389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3032453A Pending JPH04249064A (en) | 1991-01-31 | 1991-01-31 | Lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04249064A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631071U (en) * | 1992-09-22 | 1994-04-22 | 株式会社ユアサコーポレーション | Sealed lead acid battery |
| JP2014072155A (en) * | 2012-10-02 | 2014-04-21 | Gs Yuasa Corp | Lead-acid battery |
| KR20180034660A (en) | 2015-09-18 | 2018-04-04 | 가부시키가이샤 지에스 유아사 | Lead accumulator |
| JP2018060615A (en) * | 2016-10-03 | 2018-04-12 | 株式会社Ｇｓユアサ | Lead-acid battery and method of manufacturing the same |
| JP2020068068A (en) * | 2018-10-22 | 2020-04-30 | 古河電池株式会社 | Lead acid storage battery |
-
1991
- 1991-01-31 JP JP3032453A patent/JPH04249064A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631071U (en) * | 1992-09-22 | 1994-04-22 | 株式会社ユアサコーポレーション | Sealed lead acid battery |
| JP2014072155A (en) * | 2012-10-02 | 2014-04-21 | Gs Yuasa Corp | Lead-acid battery |
| KR20180034660A (en) | 2015-09-18 | 2018-04-04 | 가부시키가이샤 지에스 유아사 | Lead accumulator |
| JP2018060615A (en) * | 2016-10-03 | 2018-04-12 | 株式会社Ｇｓユアサ | Lead-acid battery and method of manufacturing the same |
| JP2020068068A (en) * | 2018-10-22 | 2020-04-30 | 古河電池株式会社 | Lead acid storage battery |
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