JP3379870B2 - Lead storage battery - Google Patents
Lead storage batteryInfo
- Publication number
- JP3379870B2 JP3379870B2 JP03830996A JP3830996A JP3379870B2 JP 3379870 B2 JP3379870 B2 JP 3379870B2 JP 03830996 A JP03830996 A JP 03830996A JP 3830996 A JP3830996 A JP 3830996A JP 3379870 B2 JP3379870 B2 JP 3379870B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode plate
- positive electrode
- separator
- battery
- rib
- 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
-
- 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
【０００１】[0001]
【発明の属する技術分類】本発明は、鉛蓄電池、特に自
動車用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 lead storage battery, particularly a lead storage battery for automobiles.
【０００２】[0002]
【従来の技術】従来、鉛蓄電池において、正極板と負極
板の隔離には平板状セパレータが用いられていた。しか
し、平板状セパレータを用いた場合には、主に正極板よ
り脱落した活物質（ＰｂＯ2）が負極板と接触して還元
され、海綿状鉛としてデンドライト成長して内部短絡を
引き起こすことがあった。そこで、近年では、この内部
短絡を抑制するため、平板状のセパレータに代わって、
袋状セパレータの使用が増えつつある。しかしながら、
このような袋状セパレータを用いた場合においても、鉛
蓄電池を充放電しようとする際に、正極において発生す
る酸素ガスにより合成樹脂製のセパレータが酸化劣化
し、脆くなるとともに、その厚みが減少し、遂には穴が
開いてその部分で短絡を生じ、電池寿命を低下させる原
因になることがあった。従来、この問題点に対して、一
般にセパレータの正極板に対向する面にリブ状突起を設
けて対応してきた。2. Description of the Related Art Conventionally, in a lead storage battery, a flat plate-shaped separator has been used to separate a positive electrode plate and a negative electrode plate. However, when a flat plate-shaped separator is used, the active material (PbO 2 ) mainly dropped from the positive electrode plate may be contacted with the negative electrode plate to be reduced, causing dendrite growth as spongy lead and causing an internal short circuit. It was Therefore, in recent years, in order to suppress this internal short circuit, instead of a flat plate-shaped separator,
The use of bag separators is increasing. However,
Even when such a bag-shaped separator is used, when attempting to charge and discharge the lead storage battery, the synthetic resin separator is oxidatively deteriorated by the oxygen gas generated in the positive electrode and becomes brittle, and its thickness is reduced. At last, a hole was opened and a short circuit was generated at that part, which may cause a decrease in battery life. Conventionally, this problem has been generally addressed by providing rib-shaped projections on the surface of the separator facing the positive electrode plate.
【０００３】[0003]
【発明が解決しようとする課題】しかし、昨今の自動車
用鉛蓄電池の使用環境の苛酷化、例えばエンジンルーム
の高温化、電装品の多様化等により、リブ状突起を設け
たセパレータを用いた場合でも、短絡が生じる場合があ
った。これは、過充電等により正極板が湾曲し、セパレ
ータの素地部（リブのない部分）に正極板端部が直接接
触することによってその部分が酸化劣化してセパレータ
に穴が開き、短絡を生じるものである。本発明は、セパ
レータの酸化劣化を抑制し、併せて実用上問題となる振
動に対する強度を増すことで電池の寿命を向上させるこ
とを目的とする。However, when a separator provided with rib-shaped projections is used due to the severer environment of use of lead acid batteries for automobiles these days, for example, the engine room has become hotter and the electrical components have been diversified. However, there were cases where a short circuit occurred. This is because the positive electrode plate bends due to overcharging and the edge of the positive electrode plate comes into direct contact with the base part of the separator (the part without ribs), which part is oxidatively deteriorated and a hole is opened in the separator, causing a short circuit. It is a thing. It is an object of the present invention to suppress the oxidative deterioration of a separator and, at the same time, increase the strength against vibration which is a practical problem, thereby improving the life of the battery.
【０００４】[0004]
【課題を解決するための手段】本発明の鉛蓄電池は、正
極板を収納する袋状セパレータの正極板に当接する部分
にリブ状突起を有し、かつその正極板が湾曲した場合に
正極板の四隅部分が当接する部分のリブ状突起の間隔を
他の部分より狭くし、正極板がセパレータの素地部に直
接接触することを防止するものである。また、正極板の
四隅部分を半径６〜８ｍｍの四分円形状に加工し、正極
板が湾曲した場合においても、正極板の四隅部分がセパ
レータの素地部に直接接触しにくくするものである。A lead-acid battery of the present invention has a rib-shaped projection in a portion of a bag-shaped separator for accommodating a positive electrode plate, the positive electrode plate being curved when the positive electrode plate is curved. The distance between the rib-shaped projections at the portions where the four corners abut is made narrower than the other portions to prevent the positive electrode plate from directly contacting the base portion of the separator. Further, the four corners of the positive electrode plate are processed into a quadrant having a radius of 6 to 8 mm so that even when the positive electrode plate is curved, the four corners of the positive electrode plate are less likely to come into direct contact with the base portion of the separator.
【０００５】[0005]
【発明の実施の形態】本発明の鉛蓄電池は、正極板を収
容する袋状セパレータを具備し、袋状セパレータが正極
板と当接する面に、正極板の上下方向に平行でかつ正極
板の端部に当接する部分の間隔を他の部分より狭くした
複数のリブ状突起を有するものである。セパレータの両
端部分のリブ状突起の間隔が他の部分よりも狭いことに
より、正極板の枠骨格子が高温下での過充電等により湾
曲した場合においても、セパレータの正極板との接触箇
所がリブ状突起に限られるため、セパレータの素地部の
酸化劣化を抑制することができる。さらに、正極板の端
部と当接する部分のリブ状突起の配置間隔が、正極板の
厚さの５０％以下であることが好ましい。また、正極板
が、半径６〜８ｍｍの四分円形状の四隅部分を有するこ
とが好ましい。これにより、電池の電圧特性を低下させ
ることなく、正極板が湾曲した場合にもセパレータと正
極板の直接接触による酸化劣化を抑制でき、さらに振動
に対する強度も増すことができる。BEST MODE FOR CARRYING OUT THE INVENTION The lead-acid battery of the present invention comprises a bag-shaped separator for accommodating a positive electrode plate, and the surface of the bag-shaped separator in contact with the positive electrode plate is parallel to the vertical direction of the positive electrode plate. It has a plurality of rib-like projections in which the intervals of the portions abutting on the ends are narrower than those of the other portions. Even if the frame skeleton of the positive electrode plate is curved due to overcharge or the like under high temperature due to the gap between the rib-shaped projections at both ends of the separator being narrower than the other parts, the contact point with the positive electrode plate of the separator is Since it is limited to the rib-shaped projections, it is possible to suppress the oxidative deterioration of the base portion of the separator. Furthermore, it is preferable that the arrangement interval of the rib-shaped projections in the portion that comes into contact with the end of the positive electrode plate is 50% or less of the thickness of the positive electrode plate. Further, it is preferable that the positive electrode plate has quadrant-shaped four corner portions having a radius of 6 to 8 mm. Thereby, even if the positive electrode plate is curved, oxidative deterioration due to direct contact between the separator and the positive electrode plate can be suppressed without lowering the voltage characteristics of the battery, and the strength against vibration can be increased.
【０００６】[0006]
【実施例】以下、本発明の鉛蓄電池について、図面を参
照して詳細に説明する。The lead-acid battery of the present invention will be described in detail below with reference to the drawings.
【０００７】［実施例１］図１に示す袋状のセパレータ
を用いて１２Ｖ−４８Ａｈの鉛蓄電池を作製した。この
セパレータは、微孔性ポリエチレンフィルムからなる厚
さ１００μｍの素地部２の外側表面に高さ０．８５ｍ
ｍ、幅０．５０ｍｍのリブ状突起１を設けたものであ
る。両端から各々セパレータの全幅の２０％の長さにあ
たる部分のリブの間隔が１ｍｍ、その他の部分のリブの
間隔が１２ｍｍである。Example 1 A 12V-48Ah lead-acid battery was manufactured using the bag-shaped separator shown in FIG. This separator has a height of 0.85 m on the outer surface of the base part 2 having a thickness of 100 μm and made of a microporous polyethylene film.
The rib-shaped projection 1 having a width of m and a width of 0.50 mm is provided. The distance between the ribs is 1 mm at the portion corresponding to 20% of the total width of the separator from both ends, and the distance between the ribs at the other portions is 12 mm.
【０００８】Ｐｂ合金を鋳造加工した正極極板格子に活
物質ペーストを塗着させた正極板に上記セパレータを被
せたものと負極板を、交互に積層して電槽に挿入し、鉛
蓄電池を作製した。これを実施例１の電池とする。A positive electrode plate formed by casting a Pb alloy on a positive electrode plate coated with an active material paste, the positive electrode plate covered with the above separator, and the negative electrode plate are alternately laminated and inserted into a battery case to form a lead acid battery. It was made. This is the battery of Example 1.
【０００９】［比較例１］図２に示す袋状セパレータを
用いて実施例１の鉛蓄電池と同様の鉛蓄電池を作製し
た。このセパレータは、実施例１で用いたものと同様に
ポリエチレン製であり、厚さ１００μｍの素地部４の外
側表面に高さ０．８５ｍｍ、幅１．００ｍｍのリブ状突
起３を１２ｍｍの等間隔で設けたものである。これを比
較例１の電池とする。Comparative Example 1 Using the bag-shaped separator shown in FIG. 2, a lead storage battery similar to the lead storage battery of Example 1 was produced. This separator is made of polyethylene like the one used in Example 1, and has rib-like protrusions 3 having a height of 0.85 mm and a width of 1.00 mm on the outer surface of the base part 4 having a thickness of 100 μm, which are equally spaced by 12 mm. It was provided in. This is the battery of Comparative Example 1.
【００１０】これら実施例１の電池および比較例１の電
池それぞれ６個に対し、環境温度９０℃、１３．８Ｖの
一定電圧で、充電電流値が２５Ａを越えないようにした
充電試験（１１０時間充電、４８時間休止で４週間）を
行い、試験後のセパレータの酸化劣化の程度および短絡
の有無を検証した。また、試験後のセパレータをポリエ
ステル樹脂中に固め、顕微鏡観察によりその厚みを測定
した。これらの結果を表１に示す。A charging test was carried out on each of the six batteries of Example 1 and six batteries of Comparative Example 1 at an environmental temperature of 90 ° C. and a constant voltage of 13.8 V so that the charging current value did not exceed 25 A (110 hours. Charging and 48 hours rest for 4 weeks), the degree of oxidative deterioration of the separator after the test and the presence or absence of a short circuit were verified. Further, the separator after the test was fixed in a polyester resin, and its thickness was measured by observing with a microscope. The results are shown in Table 1.
【００１１】[0011]
【表１】 [Table 1]
【００１２】試験終了後に電池を解体して観察した結
果、実施例１の電池および比較例１の電池の双方とも正
極板は湾曲していたが、ともに短絡は確認されなかっ
た。比較例１の電池では正極板とセパレータ素地部４と
の直接接触が確認されたのに対して、実施例１の電池で
は正極板のリブ状突起１への接触は確認されたものの、
セパレータ素地部２への直接接触は認められず、素地部
２の酸化劣化の程度も低かった。セパレータの厚みは、
実施例１の電池では劣化の度合いの比較的大きかった正
極板との接触が認められたリブ状突起に近接した素地部
２上の３箇所、比較例の電池では正極板が直接接触して
いた素地部４上の３箇所で測定し、それぞれその平均値
を示したものである。実施例１のようにセパレータの両
端部分のリブ状突起の間隔を他の部分のリブ状突起の間
隔より狭くすることにより、セパレータの酸化劣化およ
びそれに伴う厚みの減少を従来のセパレータに比べて抑
制することができる。すなわち、これにより、短絡を抑
制することができる。セパレータのリブ状突起は、素地
部に比べて電気抵抗が大きいため、電流密度が小さくな
る。従って、充電時に正極板から発生する酸素ガスによ
るセパレータの酸化劣化を抑制できると考えられる。As a result of disassembling and observing the battery after the completion of the test, the positive electrode plates of both the battery of Example 1 and the battery of Comparative Example 1 were curved, but no short circuit was confirmed. In the battery of Comparative Example 1, direct contact between the positive electrode plate and the separator base portion 4 was confirmed, whereas in the battery of Example 1, contact with the rib-shaped projections 1 of the positive electrode plate was confirmed,
No direct contact with the separator base part 2 was observed, and the degree of oxidative deterioration of the base part 2 was also low. The thickness of the separator is
In the battery of Example 1, the degree of deterioration was relatively large, and the positive electrode plate was in direct contact with three points on the base portion 2 close to the rib-like protrusion where contact with the positive electrode plate was observed. The measurement is performed at three points on the base portion 4, and the average value is shown. By making the distance between the rib-like protrusions at both end portions of the separator smaller than that between the rib-like protrusions at other portions as in Example 1, the deterioration of the separator due to oxidation and the accompanying reduction in thickness are suppressed as compared with the conventional separator. can do. That is, this can suppress a short circuit. Since the rib-shaped protrusions of the separator have a higher electric resistance than the base portion, the current density becomes smaller. Therefore, it is considered that the oxidative deterioration of the separator due to the oxygen gas generated from the positive electrode plate during charging can be suppressed.
【００１３】なお、上記実施例では、両端からそれぞれ
全幅の２０％の長さにあたる部分のリブ状突起の間隔を
１ｍｍとしたセパレータを用いたが、正極板端部に当接
する部分のリブ状突起の間隔は、正極板が湾曲した際に
端部がセパレータの素地部に直接接触することを防ぐこ
とができる大きさであればよい。具体的には、用いる正
極板の厚さの５０％以下であれば上記実施例と同様の効
果を得ることができる。また、ここでは枠骨を有する極
板格子を用いた例について説明したが、エキスパンド格
子のように枠骨が無い場合であっても、正極板端部の接
触を抑制することができ、同様の効果を得ることができ
る。In the above embodiments, the rib-shaped projections at the portions corresponding to 20% of the total width from both ends were set to 1 mm, but the rib-shaped projections at the portions contacting the end of the positive electrode plate were used. The spacing may be of a size that can prevent the end portion from directly contacting the base portion of the separator when the positive electrode plate is curved. Specifically, if the thickness of the positive electrode plate used is 50% or less, the same effect as that of the above-described embodiment can be obtained. In addition, although an example using an electrode plate lattice having a frame bone is described here, even when there is no frame bone like an expanded lattice, contact of the positive electrode plate end can be suppressed, and the same. The effect can be obtained.
【００１４】［実施例２］次に、図３に示すように四隅
部分５を半径（以下、Ｒとする）がそれぞれ２、４、
６、８、１０ｍｍの四分円形状に加工した正極極板格子
を用い、これと、従来の負極板を用いてそれぞれ実施例
１と同様の鉛蓄電池を作製した。セパレータには、いず
れも実施例１で用いたものと同様の両端部分のリブ状突
起の間隔の狭いものを用いた。これら５種の電池に対し
て、１０〜３３Ｈｚの振動数を往復２０分でスイープさ
せた振動を付加する振動試験を、３Ｇ、４Ｇおよび５Ｇ
の各加速度条件でそれぞれ６個ずつ行った。ここでＧと
は重力加速度である。試験後、電池を解体し、セパレー
タの状態を観察した。振動試験において１箇所でもセパ
レータに破れの発生した電池の数を表２に示す。[Embodiment 2] Next, as shown in FIG. 3, the four corner portions 5 have radii (hereinafter, R) of 2, 4 and 5, respectively.
Lead-acid batteries similar to those of Example 1 were produced using a positive electrode plate grid processed into a quadrant shape of 6, 8, 10 mm and a conventional negative electrode plate. As the separators, the same separators as those used in Example 1 were used, in which the rib-shaped projections at both ends were narrow. Vibration tests were performed on these 5 types of batteries by applying vibrations that were swept at a frequency of 10 to 33 Hz in 20 minutes of reciprocation for 3G, 4G and 5G.
6 were performed under each acceleration condition. Here, G is gravitational acceleration. After the test, the battery was disassembled and the state of the separator was observed. Table 2 shows the number of batteries in which the separator broke even at one location in the vibration test.
【００１５】[0015]
【表２】 [Table 2]
【００１６】表２より、正極板の四隅部分５のＲが大き
いものほど耐振動性が優れることがわかる。特に、Ｒが
４ｍｍ以下の正極板を用いた電池では５Ｇまでにセパレ
ータに破れが見られたが、Ｒが６ｍｍ以上のものを用い
た電池では、５Ｇを付加してもセパレータに破れは見ら
れなかった。従って、正極板の四隅部分５に形成する四
分円形状は、Ｒが６ｍｍ以上であることが好ましい。From Table 2, it can be seen that the larger the R of the four corners 5 of the positive electrode plate, the better the vibration resistance. In particular, in the battery using the positive electrode plate having R of 4 mm or less, the separator was broken by 5 G, but in the battery using R of 6 mm or more, the separator was broken even if 5 G was added. There wasn't. Therefore, the quadrant shape formed at the four corners 5 of the positive electrode plate preferably has R of 6 mm or more.
【００１７】次に、これら５種の鉛蓄電池各６個につい
て放電試験を行った。−１５℃の温度下で、電流値３０
０Ａにて急激に放電させ、同時に電池の電圧の経時変化
を測定した。表３に、各電池の電圧が７．２Ｖに低下す
るまでにかかる時間の平均値を示す。Next, a discharge test was conducted on each of these five types of lead-acid batteries. Current value 30 at -15 ℃
It was discharged rapidly at 0 A, and at the same time, the change with time of the voltage of the battery was measured. Table 3 shows the average value of the time taken for the voltage of each battery to drop to 7.2V.
【００１８】[0018]
【表３】 [Table 3]
【００１９】表３より、Ｒの大きい電池ほど、７．２Ｖ
までの低下にかかる時間が短くなることが分かった。こ
れは、Ｒが大きくなるほど、正極板の表面積が小さくな
るため、急激に放電する場合の電池電圧特性が低下する
ものと考えられる。特に、Ｒが８ｍｍを越えると急激に
性能が低下することが分かる。From Table 3, it can be seen that the larger the R, the higher the voltage is 7.2 V.
It has been found that the time required to decrease to It is considered that the larger the value of R, the smaller the surface area of the positive electrode plate, and thus the battery voltage characteristic in the case of rapid discharge deteriorates. In particular, it can be seen that when R exceeds 8 mm, the performance drops sharply.
【００２０】これらの検討より、四隅部分をＲが６ｍｍ
から８ｍｍの四分円形状に加工した正極板を用いること
により、電池の放電特性を低下させることなく、耐振動
性を向上させることができることがわかる。From these examinations, R is 6 mm at the four corners.
Therefore, it is understood that by using the positive electrode plate processed into a quadrant shape of 8 mm, the vibration resistance can be improved without deteriorating the discharge characteristics of the battery.
【００２１】[0021]
【発明の効果】本発明によると、短絡を抑制し、かつ耐
振動性を向上させることができ、信頼性の優れた鉛蓄電
池を得ることができる。According to the present invention, it is possible to obtain a lead-acid battery which is capable of suppressing short circuits and improving vibration resistance, and which is excellent in reliability.
【図１】本発明の一実施例の電池に用いたセパレータの
概略を示す図であり、（ａ）は平面図であり、（ｂ）は
要部の断面図である。FIG. 1 is a diagram showing an outline of a separator used in a battery of an example of the present invention, (a) is a plan view, and (b) is a sectional view of a main part.
【図２】比較例の電池に用いたセパレータの概略を示す
平面図である。FIG. 2 is a plan view showing an outline of a separator used in a battery of a comparative example.
【図３】本発明の一実施例の電池に用いた正極極板格子
の概略を示す平面図である。FIG. 3 is a plan view showing an outline of a positive electrode plate grid used in a battery of one example of the present invention.
１ リブ状突起 ２ 素地部 ３ リブ状突起 ４ 素地部 ５ 四隅部分 1 rib-shaped protrusion 2 Base part 3 rib-shaped protrusions 4 Base part 5 four corners
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平４−167356（ＪＰ，Ａ) 特開 昭58−165245（ＪＰ，Ａ) 特開 昭61−10866（ＪＰ，Ａ) 実開 平５−43462（ＪＰ，Ｕ) 実開 昭57−115175（ＪＰ，Ｕ) 実開 平１−77264（ＪＰ，Ｕ) 実開 平７−36360（ＪＰ，Ｕ) 実開 平５−2369（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 10/06 - 10/22 H01M 2/14 - 2/18 H01M 4/14 - 4/20 ─────────────────────────────────────────────────── ─── Continuation of front page (56) Reference JP-A-4-167356 (JP, A) JP-A-58-165245 (JP, A) JP-A-61-10866 (JP, A) 43462 (JP, U) Actually open 57-115175 (JP, U) Actually open 1-77264 (JP, U) Actually open 7-36360 (JP, U) Actually open 5-2369 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) H01M 10/06-10/22 H01M 2/14-2/18 H01M 4/14-4/20
Claims (3)
し、前記袋状セパレータが前記正極板と当接する面に、
前記正極板の上下方向に平行でかつ前記正極板の端部に
当接する部分の間隔を他の部分より狭くした複数のリブ
状突起を有する鉛蓄電池。1. A bag-shaped separator accommodating a positive electrode plate, wherein the bag-shaped separator abuts on the positive electrode plate,
A lead-acid battery having a plurality of rib-shaped projections that are parallel to the up-down direction of the positive electrode plate and have a narrower interval between parts that come into contact with the ends of the positive electrode plate than other parts.
リブ状突起の配置間隔が、前記正極板の厚さの５０％以
下である請求項１記載の鉛蓄電池。2. The lead-acid battery according to claim 1, wherein an arrangement interval of the rib-shaped projections in a portion contacting an end of the positive electrode plate is 50% or less of a thickness of the positive electrode plate.
形状の四隅部分を有する請求項１記載の鉛蓄電池。3. The lead acid battery according to claim 1, wherein the positive electrode plate has quadrant-shaped four corner portions having a radius of 6 to 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03830996A JP3379870B2 (en) | 1996-02-26 | 1996-02-26 | Lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03830996A JP3379870B2 (en) | 1996-02-26 | 1996-02-26 | Lead storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09231995A JPH09231995A (en) | 1997-09-05 |
| JP3379870B2 true JP3379870B2 (en) | 2003-02-24 |
Family
ID=12521706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03830996A Expired - Fee Related JP3379870B2 (en) | 1996-02-26 | 1996-02-26 | Lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3379870B2 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4422829B2 (en) * | 1998-09-18 | 2010-02-24 | パナソニック株式会社 | Lead acid battery |
| JP4961067B2 (en) * | 1999-09-24 | 2012-06-27 | 日本板硝子株式会社 | Lead-acid battery separator |
| WO2006127575A1 (en) * | 2005-05-23 | 2006-11-30 | Johnson Controls Technology Company | Battery grid |
| AU2008223058B2 (en) | 2007-03-02 | 2014-05-29 | Cps Technology Holdings Llc | Negative grid for battery |
| JP5347514B2 (en) * | 2009-01-08 | 2013-11-20 | パナソニック株式会社 | Lead acid battery |
| BR112012022067B1 (en) | 2010-03-03 | 2022-01-04 | Cps Technology Holdings Llc | GRID FOR A BATTERY AND METHODS FOR MANUFACTURING IT |
| US9761883B2 (en) | 2011-11-03 | 2017-09-12 | Johnson Controls Technology Company | Battery grid with varied corrosion resistance |
| DE202013012569U1 (en) | 2013-10-08 | 2017-07-17 | Johnson Controls Autobatterie Gmbh & Co. Kgaa | Grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator and accumulator |
| DE102013111667A1 (en) | 2013-10-23 | 2015-04-23 | Johnson Controls Autobatterie Gmbh & Co. Kgaa | Grid arrangement for a plate-shaped battery electrode and accumulator |
| WO2016204049A1 (en) * | 2015-06-18 | 2016-12-22 | 日立化成株式会社 | Lead storage cell |
| JP6421895B2 (en) * | 2016-06-08 | 2018-11-14 | 日立化成株式会社 | Lead acid battery |
| JP6760347B2 (en) * | 2018-10-10 | 2020-09-23 | 日立化成株式会社 | Lead-acid battery |
| JP6958693B2 (en) * | 2018-10-10 | 2021-11-02 | 昭和電工マテリアルズ株式会社 | Lead-acid battery |
-
1996
- 1996-02-26 JP JP03830996A patent/JP3379870B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09231995A (en) | 1997-09-05 |
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