JPH08213023A - Lead-acid battery - Google Patents
Lead-acid batteryInfo
- Publication number
- JPH08213023A JPH08213023A JP7020404A JP2040495A JPH08213023A JP H08213023 A JPH08213023 A JP H08213023A JP 7020404 A JP7020404 A JP 7020404A JP 2040495 A JP2040495 A JP 2040495A JP H08213023 A JPH08213023 A JP H08213023A
- Authority
- JP
- Japan
- Prior art keywords
- bone
- frame bone
- lattice
- sectional area
- grid
- 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
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
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、鉛蓄電池に関し、とく
に鉛蓄電池の正極板に使用する格子体の周囲枠骨と格子
骨の改良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, and more particularly to improvement of a peripheral frame bone and a lattice bone of a lattice used for a positive electrode plate of the lead storage battery.
【０００２】[0002]
【従来の技術】鉛蓄電池には、鉛合金からなる鋳造格子
体に鉛粉、希硫酸、水などを練合した活物質ペーストを
充填した極板が用いられている。2. Description of the Related Art In a lead storage battery, an electrode plate is used in which a cast grid body made of a lead alloy is filled with an active material paste prepared by kneading lead powder, dilute sulfuric acid, water and the like.
【０００３】かかる鋳造格子体は、図９に示したよう
に、縦枠骨１と横枠骨２とからなる周囲枠骨３と、この
周囲枠骨内で縦方向に延びる複数本の縦格子骨４と、横
方向に延びる複数本の横格子骨５とから一体的に構成さ
れ、格子体上部の横枠骨には耳部６が備えられている。
一例として、図９におけるＣ−Ｃ′線に沿った断面を図
１０に示したように、格子体の縦枠骨１の横断面積は縦
格子骨４の最大横断面積より大きく形成されている。こ
れは、横枠骨２と横格子骨５との関係においても同様で
ある。As shown in FIG. 9, such a cast lattice body has a peripheral frame bone 3 composed of a vertical frame bone 1 and a horizontal frame bone 2, and a plurality of vertical lattices extending vertically in the peripheral frame bone. The bone 4 and a plurality of transverse lattice bones 5 extending in the lateral direction are integrally formed, and an ear portion 6 is provided on the transverse frame bone above the lattice body.
As an example, as shown in FIG. 10 as a cross section taken along the line CC ′ in FIG. 9, the cross-sectional area of the vertical frame bone 1 of the lattice is formed larger than the maximum cross-sectional area of the vertical lattice bone 4. This also applies to the relationship between the horizontal frame bones 2 and the horizontal lattice bones 5.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の格子体を用いた正極板では、電池使用時に次のよう
な問題が生じていた。However, the positive electrode plate using the above-described conventional grid body has the following problems when the battery is used.
【０００５】すなわち、電池の使用にともなって正極格
子体の腐食から生じる格子骨の体積膨張が極板の表面積
を膨張させ、極板表面の上下左右方向への伸びは、周囲
枠骨内に設けられている格子骨の最大横断面積より横断
面積の大きい枠骨によって規制されていた。したがっ
て、周囲枠骨内の上下左右方向への伸びと周囲枠骨の伸
びとのアンバランスによって正極坂はその中央部が突出
するようにおわん状に湾曲するようになる。そしてこの
湾曲した正極坂のコーナーがポリエチレン製セパレータ
に化学的あるいは物理的ストレスを与え、そのために場
合によっては、セパレータを突き破り、正極板が負極板
と接触して内部短絡を起こしてしまうことがあった。That is, the volume expansion of the lattice bone caused by the corrosion of the positive electrode lattice body with the use of the battery expands the surface area of the electrode plate, and the extension of the electrode plate surface in the vertical and horizontal directions is provided in the surrounding frame bone. It was regulated by a frame bone whose cross-sectional area was larger than the maximum cross-sectional area of the lattice bone. Therefore, due to the imbalance between the extension in the vertical and horizontal directions within the peripheral frame bone and the extension of the peripheral frame bone, the positive electrode slope is curved in a bowl shape so that the central portion thereof projects. Then, the corners of the curved positive electrode slope exert chemical or physical stress on the polyethylene separator, which may break through the separator and cause the positive electrode plate to come into contact with the negative electrode plate to cause an internal short circuit. It was
【０００６】本発明の目的は、この課題を解決するもの
であり、蓄電池使用時に格子体の腐食から生じる格子体
の体積膨張によって極板の中央部が突出するようにおわ
ん状に湾曲することを抑制して、極板の湾曲に起因した
正、負極板の内部短絡を防止することがでさる鉛蓄電池
を提供するものである。An object of the present invention is to solve this problem, and to prevent the central portion of the electrode plate from being curved so as to project due to the volume expansion of the grid body caused by the corrosion of the grid body when the storage battery is used. Provided is a lead storage battery capable of suppressing and preventing an internal short circuit of a positive electrode plate and a negative electrode plate due to the curvature of an electrode plate.
【０００７】[0007]
【課題を解決するための手段】本発明の鉛蓄電池は、上
記の課題を解決するために、縦枠骨と横枠骨とからなる
周囲枠骨と、前記周囲枠骨内で縦方向に設けられた複数
本の縦格子骨および横方向に設けられた複数本の横格子
骨とから一体的に構成される格子体に活物質を充填した
極板を備え、正極格子体の周囲枠骨は、その横断面積が
枠骨と同方向に設けられた格子骨の最大横断面積より大
きい部分と、枠骨と同方向に設けられた格子骨の最小横
断面積より小さい部分とを有することを特徴とする。In order to solve the above-mentioned problems, a lead-acid battery of the present invention is provided with a peripheral frame bone composed of a vertical frame bone and a horizontal frame bone, and a vertical frame within the peripheral frame bone. A plurality of vertical lattice bones and a plurality of transverse lattice bones provided in the lateral direction are provided with an electrode plate filled with an active material in a lattice body integrally formed, and a peripheral frame bone of the positive electrode lattice body is , A portion having a cross-sectional area larger than the maximum cross-sectional area of the lattice bone provided in the same direction as the frame bone, and a portion smaller than the minimum cross-sectional area of the lattice bone provided in the same direction as the frame bone. To do.
【０００８】また、縦枠骨と横枠骨とからなる周囲枠骨
と、前記周囲枠骨内で縦方向に設けられた複数本の縦格
子骨および横方向に設けられた複数本の横格子骨とから
一体的に構成される格子体に活物質を充填した極板を備
え、正極格子体の周囲枠骨は、その横断面積が枠骨に対
し平行に位置する格子骨の最大横断面積より大きい部分
と、枠骨に対し平行に位置する格子骨の最小横断面積よ
り小さい部分とを有することを特徴とする。A peripheral frame bone composed of a vertical frame bone and a horizontal frame bone, a plurality of vertical lattice bones provided in the vertical direction within the peripheral frame bone, and a plurality of horizontal lattices provided in the horizontal direction. The positive electrode lattice body is provided with an electrode plate filled with an active material in a lattice body integrally formed with bone, and the peripheral frame bone of the positive electrode lattice body has a cross-sectional area that is parallel to the frame bone. It is characterized by having a large portion and a portion smaller than the minimum cross-sectional area of the lattice bone positioned parallel to the frame bone.
【０００９】上記した極板の周囲枠骨は、その横断面積
が枠骨と同方向に設けられた格子骨の最小横断面積の５
０％以上９０％以下である部分を枠骨の中央付近に有
し、その部分の長さが枠骨一辺の長さの２０％以上であ
ることが好ましい。The peripheral frame bone of the above-mentioned electrode plate has a cross-sectional area of 5 which is the minimum cross-sectional area of the lattice bone provided in the same direction as the frame bone.
It is preferable to have a portion of 0% or more and 90% or less in the vicinity of the center of the frame bone, and the length of the portion is 20% or more of the length of one side of the frame bone.
【００１０】また、上記した極板の周囲枠骨は、その横
断面積が枠骨と同方向に設けられた格子骨の最小横断面
積の５０％未満である部分を枠骨の中央付近に有し、そ
の部分の長さが枠骨一辺の長さの８０％以下であること
が好ましい。The peripheral frame bone of the above-mentioned polar plate has a portion whose cross-sectional area is less than 50% of the minimum cross-sectional area of the lattice bone provided in the same direction as the frame bone in the vicinity of the center of the frame bone. The length of that portion is preferably 80% or less of the length of one side of the frame bone.
【００１１】[0011]
【作用】上記したように、本発明によれば、周囲枠骨
が、枠骨と同方向に設けられた格子骨の最小横断面積よ
り小さい横断面積である部分を有している構造を有する
鋳造格子体を正極板用格子体として使用するため、極板
表面の膨張に対して極板が上下左右方向に膨張すること
ができ、従来の構造において極板の中央部が突出するよ
うにおわん状に湾曲することを抑制することが可能とな
り、湾曲が少なく内部短絡のない高い信頼性のある鉛蓄
電池が作製されうる。As described above, according to the present invention, a casting having a structure in which the peripheral frame bone has a portion whose cross-sectional area is smaller than the minimum cross-sectional area of the lattice bone provided in the same direction as the frame bone. Since the grid is used as a grid for the positive electrode plate, the electrode plate can expand vertically and horizontally with respect to the expansion of the surface of the electrode plate. In the conventional structure, the central part of the electrode plate projects like a bowl. It becomes possible to suppress the curving to a large extent, and it is possible to manufacture a highly reliable lead-acid battery with a small curving and no internal short circuit.
【００１２】[0012]
【実施例】以下、本発明の実施例について図面を参照し
ながら説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１３】図ｌおよび図３は本発明の鉛蓄電池に適用
する鋳造格子体の平面図の一例である。図中、３は格子
体の縦枠骨ｌ及び横枠骨２からなる周囲枠骨である。格
子体は、この周囲枠骨３と、該枠骨３内で縦方向に延び
る複数本の縦格子骨４、即ち縦方向に設けられ上部横枠
骨と下部横枠骨とをつなぐ複数本の縦格子骨４と、その
横方向に延びる複数本の横格子骨５、即ちその横方向に
設けられ左側縦枠骨と右側縦枠骨とをつなぐ複数本の横
格子骨５とから一体的に構成されている。上部横枠骨の
上部には耳部６が設けられている。この格子体は、既知
の鉛合金、たとえばＰｂ−Ｓｂ合金を用いて鋳造するこ
とにより形成されている。FIG. 1 and FIG. 3 are examples of plan views of a cast grid body applied to the lead-acid battery of the present invention. In the figure, 3 is a peripheral frame bone composed of a vertical frame bone 1 and a horizontal frame bone 2 of the lattice. The lattice body is composed of the peripheral frame bone 3 and a plurality of vertical lattice bones 4 that extend in the frame bone 3 in the vertical direction, that is, a plurality of vertical lattice bones that are provided in the vertical direction and that connect the upper horizontal frame bone and the lower horizontal frame bone. The vertical lattice bone 4 and a plurality of horizontal lattice bones 5 extending in the lateral direction, that is, a plurality of horizontal lattice bones 5 provided in the horizontal direction and connecting the left vertical frame bone and the right vertical frame bone, It is configured. An ear portion 6 is provided on the upper portion of the upper horizontal frame bone. This lattice body is formed by casting using a known lead alloy, for example, a Pb-Sb alloy.
【００１４】また、図ｌの線Ａ1−Ａ1′およびＡ2−
Ａ2′に沿った断面図ならびに図３の線Ｂ1−Ｂ1′およ
びＢ2−Ｂ2′に沿った断面図をそれぞれ図２および図４
に示す。これらの図から明らかなように、本発明におい
ては、例えば、縦枠骨ｌは、その横断面積がこの枠骨と
同方向に延びる縦格子骨４の最小横断面積よりも小さい
部分と、同方向に延びる縦格子骨４の最大横断面積より
大きい部分とが組み合わさって構成されている。前述の
ように、従来の格子体では、極板表面の膨張が極板の周
囲を囲んだ太い枠骨で押さえられてしまうため、極板が
おわん状に湾曲していた。これに対し、本発明に適用す
る格子体においては、縦枠骨ｌの横断面積がこの枠骨と
同方向に延びる縦格子骨４の最小横断面積より小さい部
分を有しているため、極板表面の膨張が極板の内側で押
さえられてしまうことがないので、極板の湾曲を抑制で
きる。Further, the line of Figure l A 1 -A 1 'and A 2 -
2 and 4 are cross-sectional views taken along line A 2 ′ and lines B 1 -B 1 ′ and B 2 -B 2 ′ of FIG. 3, respectively.
Shown in As is clear from these figures, in the present invention, for example, the vertical frame bone 1 has a cross-sectional area that is smaller than the minimum cross-sectional area of the vertical lattice bone 4 that extends in the same direction as this frame bone, and the same direction. Is formed in combination with a portion larger than the maximum cross-sectional area of the vertical lattice bone 4 extending in the. As described above, in the conventional grid, the expansion of the surface of the electrode plate is suppressed by the thick frame bones surrounding the electrode plate, so that the electrode plate is curved in a bowl shape. On the other hand, in the lattice body applied to the present invention, since the cross-sectional area of the vertical frame bone 1 has a portion smaller than the minimum cross-sectional area of the vertical lattice bone 4 extending in the same direction as this frame bone, the polar plate Since the expansion of the surface is not suppressed inside the electrode plate, the bending of the electrode plate can be suppressed.
【００１５】本発明に適用する格子体の効果を明らかに
するために次の実験を行った。まず、本発明に適用する
鋳造格子体の一例として、図５に示すように左右の縦枠
骨の横断面積を２．５ｍｍ2 とし、縦格子骨の横断面積
を２．８ｍ2 から３．２ｍｍ 2 までとした鋳造格子体
（Ａ）を用意した。また、比較として図９および図１０
に示したように縦枠骨の横断面積を３．４ｍｍ2 とし、
縦格子骨の横断面積を２．８ｍｍ2 から３．２ｍｍ2 ま
でとした鋳造格子体を作成し、これを従来の鋳造格子体
（Ｂ）とした。次に、本発明と従来の格子体に所定の活
物質ペーストを充填し、それぞれ本発明と従来の正極板
とした。そしてこれらの正極板を所定のポリエチレン製
袋状セパレータに包み、負極には鉛カルシウム合金系格
子の極板を組み合わせて公称仕様１２Ｖ、４８Ａｈの鉛
蓄電池を作製し、それぞれ本発明と従来の鉛蓄電池とし
た。The effect of the lattice body applied to the present invention is clarified
In order to do so, the following experiment was conducted. First, apply to the present invention
As an example of the cast lattice, as shown in FIG. 5, left and right vertical frames
2.5 mm cross-sectional area of bone2 And the cross-sectional area of the vertical lattice bone
2.8m2 To 3.2 mm 2 Cast grid body
(A) was prepared. In addition, as a comparison, FIG. 9 and FIG.
As shown in, the cross-sectional area of the vertical frame bone is 3.4 mm.2 age,
The cross-sectional area of the vertical lattice bone is 2.8 mm2 To 3.2 mm2 Well
We created a cast grid body and made it a conventional cast grid body.
(B). Next, according to the present invention and the conventional grid,
The positive electrode plate according to the present invention and the conventional positive electrode plate filled with material paste, respectively.
And And these positive plates are made of polyethylene
Wrapped in a bag-shaped separator, the negative electrode is made of lead-calcium alloy
Lead of nominal specification 12V, 48Ah by combining the child's electrode plate
A storage battery was prepared and used as the present invention and a conventional lead storage battery, respectively.
Was.
【００１６】これらの電池を用い、過充電試験を行っ
た。この試験は、４０℃において５．６Ａでｌ１０時間
充電し、ついで４８時間放置した場合をｌサイクルと
し、５サイクルまで行った。このときの正極板の湾曲量
を図６に示したように極板中央部の厚み方向の長さＸ
（ｍｍ）を測定することによって評価した。そして、正
極板の湾曲状態の測定をサイクル試験前、２サイクル
後、４サイクル後、５サイクル後にそれぞれ行い、それ
らの測定結果を図７に示した。従来の格子体（Ｂ）では
その湾曲度合いはセパレータを突き破るレベルにまで達
しており、実際に極板のコーナ一部で短絡しているもの
が確認された。これに対して、本発明の格子体（Ａ）に
おいてはその湾曲度合いは非常に軽減されているため、
セパレータが破れるまでには至っていなかった。An overcharge test was conducted using these batteries. This test was carried out up to 5 cycles, which was defined as 1 cycle when the battery was charged at 5.6 A at 40 ° C. for 110 hours and then left for 48 hours. As shown in FIG. 6, the bending amount of the positive electrode plate at this time is the length X in the thickness direction of the central part of the electrode plate.
It was evaluated by measuring (mm). Then, the curved state of the positive electrode plate was measured before the cycle test, after 2 cycles, after 4 cycles, and after 5 cycles, and the measurement results are shown in FIG. 7. In the conventional grid body (B), the degree of curvature has reached a level at which it breaks through the separator, and it was confirmed that some of the corners of the electrode plate were actually short-circuited. On the other hand, in the lattice body (A) of the present invention, the degree of curvature is greatly reduced,
It wasn't until the separator broke.
【００１７】この効果についてさらにくわしく調べるた
め、鋳造格子体の縦枠骨の横断面積をＳl また縦方向の
格子骨の最小横断面積をＳ2 とした場合のＳl とＳ2 と
の比率Ｓl ／Ｓ2 を０．３、０．５、０．７、０．９、
１．２とし、それぞれの格子体を用いて上記と同様に電
池を作製し、同様の過充電試験を行って、４サイクル後
の正極板の湾曲量Ｘ（ｍｍ）を測定した。この結果を図
８に示す。The ratio S of the S l and S 2 when to investigate further detail for this effect, the cross-sectional area of the vertical frame bone cast grid body the minimum cross section of the S l The longitudinal direction of the grating bone was S 2 l / S 2 is 0.3, 0.5, 0.7, 0.9,
1.2, a battery was manufactured in the same manner as above using each grid, and the same overcharge test was performed to measure the bending amount X (mm) of the positive electrode plate after 4 cycles. The result is shown in FIG.
【００１８】図８に示したように、Ｓ1 ／Ｓ2 の値が
１．０以上では正極板の湾曲量が７ｍｍ以上になり、正
極板を包んだ袋状セパレータの一部が破けて正、負極板
が接触していた。一方、Ｓl ／Ｓ2 の値が０．９以下に
なると、正極板の湾曲量は小さく、袋状セパレータが破
ける事はなかった。しかし、Ｓl ／Ｓ2 の値が０．５よ
り小さくなると縦枠骨の太さが細くなりすぎ、格子体の
鋳造性が困難になるとともに左右両端部における活物質
の保持力が低下し、活物質が格子体から脱落していた。
そこで、細い縦枠骨部分が縦枠骨全体に対して占める割
合に着目し、Ｓl／Ｓ2 の値が０．９以下で、鋳造格子
体の鋳造性および活物質の保持力（生産性）を湾曲量と
共に上記と同様の過充電試験によって比較した。この結
果を表ｌに示す。As shown in FIG. 8, when the value of S 1 / S 2 is 1.0 or more, the bending amount of the positive electrode plate becomes 7 mm or more, and a part of the bag-shaped separator wrapping the positive electrode plate is broken and the positive electrode plate is rectified. The negative electrode plate was in contact. On the other hand, when the value of S 1 / S 2 was 0.9 or less, the amount of bending of the positive electrode plate was small, and the bag-shaped separator did not break. However, when the value of S 1 / S 2 is less than 0.5, the thickness of the vertical frame bone becomes too thin, which makes casting of the lattice difficult and reduces the holding power of the active material at the left and right ends. The active material had fallen off the lattice.
Therefore, paying attention to the ratio of the thin vertical frame bone portion to the entire vertical frame bone, when the value of S 1 / S 2 is 0.9 or less, the castability of the cast lattice and the holding ability of the active material (productivity) ) Together with the amount of bending by the same overcharge test as above. The results are shown in Table 1.
【００１９】[0019]
【表１】 [Table 1]
【００２０】表１に示したようにＳl ／Ｓ2 の値が０．
５以上０．９以下では、細い枠骨の部分が縦枠骨の全長
に対して占める割合で２０％以上が望ましく、またＳl
／Ｓ 2 の値が０．５未満では、細い枠骨の部分が縦枠骨
の全長に対して占める割合で８０％以下が望ましいこと
がわかった。また、細い枠骨部分は枠骨の中央付近に配
するとより効果があった。As shown in Table 1, Sl / S2 Value of 0.
If it is 5 or more and 0.9 or less, the thin frame bone part is the entire length of the vertical frame
20% or more of the ratio is desirable, and Sl
/ S 2 If the value of is less than 0.5, the part of the thin frame bone is the vertical frame bone.
80% or less of the total length of the
I understood. Also, place the thin frame bone near the center of the frame bone.
Then it was more effective.
【００２１】なお、上記実施例では、説明のため、縦枠
骨と縦格子骨との関係において示したが、横枠骨と横格
子骨との関係においてもまた縦・横両方の場合において
も同様に行い、同様な効果を示すことがわかった。In the above embodiment, for the sake of explanation, the relationship between the vertical frame bones and the vertical lattice bones is shown. However, in the relationship between the horizontal frame bones and the horizontal lattice bones, and in both the vertical and horizontal cases. It was found that the same effect was obtained by performing the same operation.
【００２２】[0022]
【発明の効果】以上詳細に説明したように、本発明の鉛
蓄電池によれば、周囲枠骨が、枠骨と同方向に設けられ
た格子骨の最小横断面積より小さい横断面積である部分
を有している構造を有する鋳造格子体を正極板用格子体
として使用するので、格子骨の腐食による体積膨張に対
して、正極板が湾曲することを抑制することができる。
これは、極板の湾曲を軽減して内部短絡を防止し、鉛蓄
電池の信頼性を大幅に向上させるもので、その工業的価
値はきわめて大である。As described in detail above, according to the lead-acid battery of the present invention, the surrounding frame bone has a cross-sectional area smaller than the minimum cross-sectional area of the lattice bone provided in the same direction as the frame bone. Since the cast lattice body having the above structure is used as the lattice body for the positive electrode plate, it is possible to prevent the positive electrode plate from being bent due to the volume expansion due to the corrosion of the lattice bone.
This reduces the curvature of the electrode plate to prevent an internal short circuit and greatly improves the reliability of the lead storage battery, and its industrial value is extremely large.
【図１】本発明の鉛蓄電池に用いる鋳造格子体を示す平
面図FIG. 1 is a plan view showing a cast grid used in the lead storage battery of the present invention.
【図２】図１の格子体のＡ1−Ａ1′線およびＡ2−Ａ2′
線に沿った断面図2 is the A 1 -A 1 ′ line and A 2 -A 2 ′ of the lattice of FIG.
Cross section along the line
【図３】本発明の鉛蓄電池に用いる別の鋳造格子体を示
す平面図FIG. 3 is a plan view showing another cast grid body used in the lead storage battery of the present invention.
【図４】図３の格子体のＢ1−Ｂ1′線およびＢ2−Ｂ2′
線に沿った断面図4 is a B 1 -B 1 ′ line and B 2 -B 2 ′ of the lattice body of FIG.
Cross section along the line
【図５】本発明の鉛蓄電池に用いる鋳造格子体を示す平
面図FIG. 5 is a plan view showing a cast grid used in the lead storage battery of the present invention.
【図６】湾曲した正極板の側面図FIG. 6 is a side view of a curved positive electrode plate.
【図７】本発明と従来の鋳造格子体を用いた正極板の充
電量と湾曲量との関係を示す特性図FIG. 7 is a characteristic diagram showing a relationship between a charge amount and a bending amount of a positive electrode plate using the present invention and a conventional cast lattice.
【図８】鋳造格子体の縦枠骨の横断面積と縦格子骨の最
小横断面積との比率と、正極板の湾曲量との関係を示す
特性図FIG. 8 is a characteristic diagram showing the relationship between the ratio of the cross-sectional area of the vertical frame bones of the cast lattice and the minimum cross-sectional area of the vertical lattice bones and the amount of bending of the positive electrode plate.
【図９】従来の鉛蓄電池に用いる鋳造格子体を示す平面
図FIG. 9 is a plan view showing a cast grid body used in a conventional lead storage battery.
【図１０】図９の格子体のＣ−Ｃ′線に沿った断面図10 is a cross-sectional view of the lattice body of FIG. 9 taken along the line CC ′.
１ 縦枠骨 ２ 横枠骨 ３ 周囲枠骨 ４ 縦格子骨 ５ 横格子骨 ６ 耳部 1 Vertical frame bone 2 Horizontal frame bone 3 Surrounding frame bone 4 Vertical lattice bone 5 Horizontal lattice bone 6 Ear
Claims (4)
前記周囲枠骨内で縦方向に設けられた複数本の縦格子骨
および横方向に設けられた複数本の横格子骨とから一体
的に構成される格子体に活物質を充填した極板を備え、
正極格子体の周囲枠骨は、その横断面積が枠骨と同方向
に設けられた格子骨の最大横断面積より大きい部分と、
枠骨と同方向に設けられた格子骨の最小横断面積より小
さい部分とを有することを特徴とする鉛蓄電池。1. A peripheral frame bone composed of a vertical frame bone and a horizontal frame bone,
A polar plate filled with an active material in a lattice body integrally formed from a plurality of vertical lattice bones provided in the vertical direction in the peripheral frame bone and a plurality of horizontal lattice bones provided in the horizontal direction, Prepare,
The peripheral frame bone of the positive electrode grid is a portion whose cross-sectional area is larger than the maximum cross-sectional area of the grid bone provided in the same direction as the frame bone,
A lead-acid battery having a frame bone and a portion smaller than the minimum cross-sectional area of a lattice bone provided in the same direction.
前記周囲枠骨内で縦方向に設けられた複数本の縦格子骨
および横方向に設けられた複数本の横格子骨とから一体
的に構成される格子体に活物質を充填した極板を備え、
正極格子体の周囲枠骨は、その横断面積が枠骨に対し平
行に位置する格子骨の最大横断面積より大きい部分と、
枠骨に対し平行に位置する格子骨の最小横断面積より小
さい部分とを有することを特徴とする鉛蓄電池。2. A peripheral frame bone composed of a vertical frame bone and a horizontal frame bone,
A polar plate filled with an active material in a lattice body integrally formed from a plurality of vertical lattice bones provided in the vertical direction in the peripheral frame bone and a plurality of horizontal lattice bones provided in the horizontal direction, Prepare,
The surrounding frame bone of the positive electrode grid is a portion whose cross-sectional area is larger than the maximum cross-sectional area of the grid bone located parallel to the frame bone,
A lead-acid battery having a portion smaller than the minimum cross-sectional area of the lattice bone positioned parallel to the frame bone.
と同方向に設けられた格子骨の最小横断面積の５０％以
上９０％以下である部分を枠骨の中央付近に有し、その
部分の長さが枠骨一辺の長さの２０％以上である請求項
１または２に記載の鉛蓄電池。3. The surrounding frame bone of the polar plate has a portion whose cross-sectional area is 50% or more and 90% or less of the minimum cross-sectional area of the lattice bone provided in the same direction as the frame bone, near the center of the frame bone. The lead acid battery according to claim 1 or 2, wherein the length of the portion is 20% or more of the length of one side of the frame bone.
と同方向に設けられた格子骨の最小横断面積の５０％未
満である部分を枠骨の中央付近に有し、その部分の長さ
が枠骨一辺の長さの８０％以下である請求項１または２
に記載の鉛蓄電池。4. The perimeter frame bone of the polar plate has a portion whose cross-sectional area is less than 50% of the minimum cross-sectional area of a lattice bone provided in the same direction as the frame bone, near the center of the frame bone. The length of the portion is 80% or less of the length of one side of the frame bone.
Lead acid battery described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7020404A JPH08213023A (en) | 1995-02-08 | 1995-02-08 | Lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7020404A JPH08213023A (en) | 1995-02-08 | 1995-02-08 | Lead-acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08213023A true JPH08213023A (en) | 1996-08-20 |
Family
ID=12026096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7020404A Pending JPH08213023A (en) | 1995-02-08 | 1995-02-08 | Lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08213023A (en) |
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