JPS6241383B2 - - Google Patents
Info
- Publication number
- JPS6241383B2 JPS6241383B2 JP57099694A JP9969482A JPS6241383B2 JP S6241383 B2 JPS6241383 B2 JP S6241383B2 JP 57099694 A JP57099694 A JP 57099694A JP 9969482 A JP9969482 A JP 9969482A JP S6241383 B2 JPS6241383 B2 JP S6241383B2
- Authority
- JP
- Japan
- Prior art keywords
- lead
- plastic
- coating
- lead coating
- 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.)
- Expired
Links
- 239000011248 coating agent Substances 0.000 claims description 35
- 238000000576 coating method Methods 0.000 claims description 35
- 239000004033 plastic Substances 0.000 claims description 28
- 210000000988 bone and bone Anatomy 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 229910000978 Pb alloy Inorganic materials 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000011149 active material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013585 weight reducing agent 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
-
- 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)
- Cell Electrode Carriers And Collectors (AREA)
Description
【発明の詳細な説明】
本発明は鉛蓄電池の極板格子に関するものであ
る。鉛蓄電池の極板格子は活物質を保持して極板
の形状を維持する骨格の作用と電流を導く導電体
の作用を有し、鉛蓄電池においては、鉛又は鉛合
金が使用される。一方、蓄電池は軽量化が重要な
課題であつて、極板格子の軽量化は蓄電池の軽量
化を意味する。鉛蓄電池の極板格子は通常、鉛合
金の鋳造によつて製造されるが、厚さ１mm以下に
鋳造することはきわめて困難であり、また、厚さ
１mm以下の鋳造格子は機械的強度に乏しく、鉛合
金の鋳造格子の軽量化には限界がある。そこで鉛
合金の鋳造格子に代る極板格子としてプラスチツ
ク格子が着目されている。プラスチツク格子は耐
酸性合成樹脂によつて格子体を形成し、その表面
に鉛合金の被膜を設けたもので、重量が鉛の1/10
の合成樹脂により鉛合金の一部を置換することに
よつて格子の軽量化をはかるものである。本発明
はこのプラスチツク格子に関するものであつて、
その目的とするところは従来のプラスチツク格子
を改良することにある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a plate grid for a lead-acid battery. The electrode plate lattice of a lead-acid battery has the function of a skeleton that holds the active material and maintains the shape of the electrode plate, and the function of a conductor that guides current. Lead or a lead alloy is used in a lead-acid battery. On the other hand, reducing the weight of storage batteries is an important issue, and reducing the weight of the electrode grid means reducing the weight of the storage battery. Plate grids for lead-acid batteries are usually manufactured by casting lead alloy, but it is extremely difficult to cast them to a thickness of 1 mm or less, and cast grids with a thickness of 1 mm or less lack mechanical strength. However, there is a limit to the weight reduction of lead alloy cast grids. Therefore, plastic grids are attracting attention as an electrode plate grid in place of lead alloy cast grids. Plastic lattice is made of acid-resistant synthetic resin and has a lead alloy coating on its surface, and its weight is 1/10 that of lead.
By replacing part of the lead alloy with synthetic resin, the weight of the grid is reduced. The present invention relates to this plastic grid,
The aim is to improve upon conventional plastic grids.
本発明の改良の対象となる従来のプラスチツク
格子を第１図について説明する。１は合成樹脂に
より形成されたプラスチツク格子で、その上半分
Ａは下半分Ｂより肉薄に形成されている。この肉
薄の上半分Ａに鉛合金の被膜２を設けることによ
つて上半分Ａは下半分Ｂと同一の厚さとなる。こ
のプラスチツク格子は導電に必要なＡの部分にの
み鉛被膜２を設け、下半分Ｂには鉛を省略してい
る。上半分Ａの鉛被膜を含めた厚さを下半分Ｂの
厚さと等しくするのは活物質ペーストの充填を円
滑にするためである。鉛被膜は浸漬あるいは流し
かけによつて形成される。330℃の溶融鉛に0.3秒
浸漬すると厚さ約0.3mmの鉛被膜を形成すること
ができる。したがつてプラスチツク格子の下半分
Ｂの厚さを1.7mm、上半分Ａの厚さを1.1mmとすれ
ば、鉛被膜を形成した上半分Ａの厚さは0.3＋1.1
＋0.3＝1.7mmとなる。 A conventional plastic grid, which is the subject of improvements of the present invention, will be described with reference to FIG. Reference numeral 1 denotes a plastic grid made of synthetic resin, the upper half A of which is thinner than the lower half B. By providing the lead alloy coating 2 on this thin upper half A, the upper half A has the same thickness as the lower half B. In this plastic grid, a lead coating 2 is provided only in the portion A necessary for conductivity, and lead is omitted in the lower half B. The reason why the thickness of the upper half A including the lead coating is made equal to the thickness of the lower half B is to ensure smooth filling of the active material paste. The lead coating is formed by dipping or pouring. When immersed in molten lead at 330°C for 0.3 seconds, a lead film approximately 0.3 mm thick can be formed. Therefore, if the thickness of the lower half B of the plastic grid is 1.7 mm and the thickness of the upper half A is 1.1 mm, the thickness of the upper half A on which the lead coating is formed is 0.3 + 1.1.
+0.3=1.7mm.
ところで第１図のプラスチツク格子に鉛被膜を
設ける場合に、鉛被膜の先端が第１図に示すよう
に、ＡとＢの境界線Ｃにピタリ一致すればよいが
第２図イに示すように境界線Ｃに達しない場合
と、同図ロに示すように境界線Ｃをこえる場合と
がある。第１図のように、鉛被膜２の先端が境界
線Ｃと一致すると格子全体の厚さが均一になり問
題はないが、第２図イのように境界線Ｃに達しな
いとプラスチツク格子のＡの一部が露出する。こ
の露出した肉薄の部分３は強度が弱く、極板が変
形し、かつ活物質が脱落する原因となる。また、
第２図ロのように鉛被膜２の先端が境界線Ｃをこ
えると、こえた部分４の格子の厚さが厚くなつて
ペーストを充填するときの障害となる。したがつ
て鉛被膜の形成作業は第２図イおよびロのような
状態にならないように管理することが必要とな
る。しかし、プラスチツク格子を溶融鉛に浸漬
し、あるいは流しかけによつて鉛被膜を形成する
作業は、浸漬法においては溶融鉛の液面の変化、
流しかけ法においては流しかけの位置のバラツキ
によつて、鉛被膜の形成を均一に保持することは
きわめて困難である。本発明はこの点にかんがみ
鉛被膜の形成にバラツキを許容することのできる
プラスチツク格子、換言すれば鉛被膜の形成に高
度の管理を必要としないプラスチツク格子とする
ことを意図するものである。 By the way, when providing a lead coating on the plastic grid shown in Figure 1, the tip of the lead coating should exactly match the boundary line C between A and B as shown in Figure 1, but as shown in Figure 2 A. There are cases in which the boundary line C is not reached, and cases in which the boundary line C is exceeded as shown in FIG. As shown in Fig. 1, if the tip of the lead coating 2 coincides with the boundary line C, the thickness of the entire lattice becomes uniform and there is no problem, but if it does not reach the boundary line C as shown in Fig. 2 A part of A is exposed. This exposed thin portion 3 has low strength and causes the electrode plate to deform and the active material to fall off. Also,
When the tip of the lead coating 2 crosses the boundary line C as shown in FIG. Therefore, it is necessary to manage the lead coating formation work so as not to result in the conditions shown in FIG. 2 A and B. However, the process of forming a lead coating by immersing a plastic grid in molten lead or by pouring over it requires changes in the liquid level of the molten lead.
In the pouring method, it is extremely difficult to maintain uniform formation of a lead film due to variations in the position of the pouring. In view of this, the present invention is intended to provide a plastic lattice that can tolerate variations in the formation of a lead coating, in other words, a plastic lattice that does not require sophisticated control in the formation of a lead coating.
本発明の実施例を第３図および第４図について
説明する。第３図は本発明のプラスチツク格子を
示している。同図において１はポリプロピレン等
の耐酸性合成樹脂によつて形成されたプラスチツ
ク格子で、鉛被膜が形成される厚さａの肉薄の部
分Ａと、鉛被膜の形成されない厚さｂの肉厚の部
分Ｂと、Ａと等しい厚さａの中間部Ｄとよりな
る。中間部Ｄの両側の枠骨の巾ｃはＡの巾ｆより
も十分に大きく、Ｂの巾ｇよりも若干大きい。ま
たその長さｄは鉛被膜の先端が位置する範囲であ
るから鉛被膜形成のバラツキを吸収する長さにし
てある。具体的な例としてａ＝ｆ＝1.1mm ｂ＝
ｇ＝1.7mmのときｃ＝２mm、ｄ＝５mmである。な
お鉛被膜の厚さは0.3mmである。 An embodiment of the invention will be described with reference to FIGS. 3 and 4. FIG. 3 shows a plastic grid of the present invention. In the figure, 1 is a plastic grid made of acid-resistant synthetic resin such as polypropylene, which has a thin part A with a thickness a where a lead coating is formed and a thickness b where no lead coating is formed. It consists of a portion B and an intermediate portion D having a thickness a equal to that of A. The width c of the frame bones on both sides of the intermediate portion D is sufficiently larger than the width f of A and slightly larger than the width g of B. Further, since the length d is within the range where the tip of the lead coating is located, it is set to a length that absorbs variations in the formation of the lead coating. As a specific example, a=f=1.1mm b=
When g=1.7mm, c=2mm and d=5mm. Note that the thickness of the lead coating is 0.3 mm.
第４図は第３図のプラスチツク格子に鉛被膜２
を形成した状態を示している。Ｃは鉛被膜２の先
端の位置であり、Ｅは中間部Ｄの露出している部
分である。このＥの長さｅは鉛被膜を形成する際
のバラツキによつて異なり中間部Ｄの長さｄの範
囲内において許容される（ｄ＞ｅ）ができるだけ
小さい方がよい。本発明のプラスチツク格子は中
間部Ｄの両側の枠骨１ａの巾ｃを大きくしてある
のでその露出した部分Ｅは鉛被膜を有するＡの部
分およびプラスチツク格子の肉厚の部分Ｂとほゞ
同等の強度を有する。 Figure 4 shows a lead coating 2 on the plastic grid in Figure 3.
The figure shows the state in which it has been formed. C is the position of the tip of the lead coating 2, and E is the exposed portion of the intermediate portion D. The length e of this E varies depending on the variation in forming the lead coating, and it is preferable that the allowable (d>e) within the range of the length d of the intermediate portion D be as small as possible. In the plastic lattice of the present invention, the width c of the frame ribs 1a on both sides of the intermediate portion D is increased, so that the exposed portion E is approximately equal to the portion A having the lead coating and the thick portion B of the plastic lattice. It has the strength of
第５図は本発明の他の実施例を示している。こ
の実施例はプラスチツク格子の中間部Ｄの両側の
枠骨に近接してこれと平行に補助骨５を設けてい
る。この補助骨５は両側の枠骨を補強するのが目
的であるからあまり離れると補強効果がなく、ま
た近すぎると枠骨１ａとの間に鉛膜が生じて重量
が増加する。なお前記ａ＝1.1mm、ｂ＝1.7mmのプ
ラスチツク格子においては枠骨との間隔ｈは２〜
５mmである。 FIG. 5 shows another embodiment of the invention. In this embodiment, auxiliary bones 5 are provided close to and parallel to the frame bones on both sides of the intermediate portion D of the plastic lattice. Since the purpose of this auxiliary bone 5 is to reinforce the frame bones on both sides, if it is too far away, it will not have a reinforcing effect, and if it is too close, a lead film will be formed between it and the frame bone 1a, resulting in an increase in weight. In addition, in the plastic lattice with a = 1.1 mm and b = 1.7 mm, the distance h from the frame bone is 2~
It is 5mm.
以上述べたように本発明の極板格子は、上部に
鉛被膜を設ける肉薄の部分Ａを有し、下部に鉛被
膜を設けない肉厚の部分Ｂを有し、前記ABの中
間にＡと等しい厚さの肉薄の中間部Ｄを有する耐
酸性合成樹脂よりなるプラスチツク格子におい
て、前記ＡおよびＤの厚さはこれらに鉛被膜を設
けたときの厚さが前記Ｂの厚さと等しくなる厚さ
となし、前記肉薄の中間部Ｄは、その両側の枠骨
１ａの巾を大にするか又はこれと平行に補助骨を
設けることによつて補強されていることを特徴と
する。したがつてＡに鉛被膜を設けたとき、中間
部Ｄに露出する部分Ｅが生じても、中間部Ｄはそ
の両側の枠骨１ａが補強されているので十分な強
度を有し、極板変形の原因にはならない、すなわ
ち、本発明のプラスチツク格子は鉛被膜を形成す
るに当つて、鉛被膜の先端が第２図の境界線Ｃを
こえないように管理すればよく、またそのバラツ
キの巾は中間部Ｄの長さｄの範囲内に許容される
から高度の管理の必要がなく、極板格子製造の生
産性を著しく向上するすぐれた効果を有する。 As described above, the electrode plate grid of the present invention has a thin part A with a lead coating on the upper part, a thick part B with no lead coating on the lower part, and A and A in the middle of AB. In a plastic lattice made of acid-resistant synthetic resin having a thin middle part D of equal thickness, the thicknesses of A and D are such that the thickness when a lead coating is provided on them is equal to the thickness of B. None, the thin intermediate portion D is reinforced by increasing the width of the frame ribs 1a on both sides thereof or by providing auxiliary bones parallel thereto. Therefore, when a lead coating is provided on A, even if a portion E is exposed at the intermediate portion D, the intermediate portion D has sufficient strength because the frame ribs 1a on both sides are reinforced, and the electrode plate In other words, when forming a lead coating on the plastic lattice of the present invention, it is only necessary to control the leading edge of the lead coating so that it does not exceed the boundary line C in Fig. 2, and to prevent the dispersion of the lead coating. Since the width is allowed within the range of the length d of the intermediate portion D, there is no need for sophisticated control, and this has the excellent effect of significantly improving the productivity of electrode plate grating manufacturing.
第１図：従来のプラスチツク極板格子を示す図
で、イは正面図、ロはそのXY断面図、第２図：
従来のプラスチツク極板格子の要部拡大断面図
で、イ，ロはその好ましくない状態を示す図、第
３図：本発明のプラスチツク格子の実施例を示す
図で、イは正面図、ロは側面図、第４図：本発明
のプラスチツク極板格子の実施例で、イは正面
図、ロはそのXY断面図、第５図：本発明のプラ
スチツク極板格子の他の実施例の正面図。
〔記号〕 １……プラスチツク格子、１ａ……
枠骨、２……鉛被膜、３……露出した肉薄の部
分、４……境界線をこえた部分、５……補助骨、
Ａ……鉛被膜を設ける部分、Ｂ……鉛被膜を設け
ない部分、Ｃ……境界線、Ｄ……中間部、Ｅ……
中間部の露出した部分。
Figure 1: A diagram showing a conventional plastic electrode grid, where A is a front view, B is an XY cross-sectional view, and Figure 2:
FIG. 3 is an enlarged cross-sectional view of the main part of a conventional plastic electrode plate grid, in which A and B are views showing unfavorable conditions; FIG. 3 is a view showing an embodiment of the plastic grid of the present invention; Side view, FIG. 4: An embodiment of the plastic electrode plate lattice of the present invention, A is a front view, B is an XY sectional view thereof, FIG. 5: A front view of another embodiment of the plastic electrode plate lattice of the present invention. . [Symbol] 1...Plastic grid, 1a...
Frame bone, 2... Lead coating, 3... Exposed thin part, 4... Part beyond the boundary line, 5... Auxiliary bone,
A... Part where lead coating is provided, B... Part where lead coating is not provided, C... Boundary line, D... Middle part, E...
Exposed midsection.
Claims (1)
し、下部に鉛被膜を設けない肉厚の部分Ｂを有
し、前記Ａ，Ｂの中間にＡと等しい厚さの肉薄の
中間部Ｄを有する耐酸性合成樹脂よりなるプラス
チツク格子１において、前記ＡおよびＤの厚さは
これらに鉛被膜２を設けたときの厚さが前記Ｂの
厚さと等しくなる厚さとなし、前記肉薄部分Ａの
肉厚の部分Ｂとの中間部Ｄは、その両側の枠骨１
ａの巾ｃを大にするか、又は枠骨１ａと平行に補
助骨５を設けることによつて補強されていること
を特徴とする鉛蓄電池の極板格子。1. It has a thin part A with a lead coating 2 on the upper part, a thick part B with no lead coating on the lower part, and a thin middle part D with the same thickness as A between A and B. In the plastic grid 1 made of acid-resistant synthetic resin having The middle part D between the thick part B and the frame bone 1 on both sides
An electrode plate lattice for a lead-acid battery, characterized in that it is reinforced by increasing the width c of a or by providing auxiliary ribs 5 in parallel with frame ribs 1a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57099694A JPS58216361A (en) | 1982-06-10 | 1982-06-10 | Plate grid for lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57099694A JPS58216361A (en) | 1982-06-10 | 1982-06-10 | Plate grid for lead storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58216361A JPS58216361A (en) | 1983-12-16 |
| JPS6241383B2 true JPS6241383B2 (en) | 1987-09-02 |
Family
ID=14254148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57099694A Granted JPS58216361A (en) | 1982-06-10 | 1982-06-10 | Plate grid for lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58216361A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326030B (en) * | 2013-07-09 | 2015-08-26 | 山东瑞宇蓄电池有限公司 | A kind of grid |
| CN113366675A (en) * | 2019-02-05 | 2021-09-07 | 昭和电工材料株式会社 | Grid base material, electrode and lead storage battery |
-
1982
- 1982-06-10 JP JP57099694A patent/JPS58216361A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58216361A (en) | 1983-12-16 |
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