JPH02177266A - Lead accumulator - Google Patents
Lead accumulatorInfo
- Publication number
- JPH02177266A JPH02177266A JP63334463A JP33446388A JPH02177266A JP H02177266 A JPH02177266 A JP H02177266A JP 63334463 A JP63334463 A JP 63334463A JP 33446388 A JP33446388 A JP 33446388A JP H02177266 A JPH02177266 A JP H02177266A
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- plate group
- battery
- battery jar
- polymer
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 229920000642 polymer Polymers 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 239000007774 positive electrode material Substances 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 239000003365 glass fiber Substances 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000004063 acid-resistant material Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 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
Landscapes
- Secondary Cells (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明はフォークリフト用、ゴルフカート用。[Detailed description of the invention] Industrial applications This invention is for forklifts and golf carts.
電気自動車用、小形ＡＶ機器用などのサイクルサービス
用ベースト式鉛蓄電池に関するものである。The present invention relates to base type lead-acid batteries for cycle service such as electric vehicles and small AV equipment.
従来の技術
鉛蓄電池の充電放電反応は次式に示す反応であり、充電
、放電によって活物質の体積変化が起ここのため、サイ
クルサービス用のペースト式鉛蓄電池においては、深い
充放電サイクルとなるため、正極活物質の軟化１脱落現
象を生じ寿命に至ることが多い。Conventional technology The charging and discharging reaction of lead-acid batteries is as shown in the following equation, and since the volume of the active material changes due to charging and discharging, paste-type lead-acid batteries for cycle service require deep charging and discharging cycles. , the positive electrode active material often softens and falls off, leading to the end of its life.
そのためペースト式鉛蓄電池ではガラスマントを当てて
、圧迫を加え、正極活物質の軟化、脱落を押えている。For this reason, in paste-type lead-acid batteries, a glass cloak is applied to apply pressure to prevent the positive electrode active material from softening or falling off.
しかし、電池の電槽は合成樹脂ＩＭ（−収約にはポリプ
ロピレンやムＢＳ”ｌであるため、圧迫をかけすぎると
第１図の破線で示すように電槽がふくれてしまい実質的
を圧迫力が極板にはかからない。However, since the battery case is made of synthetic resin IM (polypropylene or BS), if too much pressure is applied, the case will swell as shown by the broken line in Figure 1, effectively putting pressure on the case. No force is applied to the plate.
また圧迫力を大きくするためには厚い極板群を狭い電槽
中に入れる必要があるため、圧迫力を大きく設計した場
合には極板群を電槽に入れにくくなるため、生産性が大
幅に悪くなる。In addition, in order to increase the compression force, it is necessary to place a thick group of electrode plates into a narrow battery case, so if the pressure force is designed to be large, it will be difficult to insert the plate group into the battery case, which will greatly reduce productivity. It gets worse.
発明が解決しようとする課題 本発明は上記欠点を解決するために、七ヲミ。Problems that the invention aims to solve The present invention aims to solve the above-mentioned drawbacks.
り、ガラス俄維強化フェノールなどの表面だ硫酸水溶液
を吸収することにより膨張する高分子をシート状、不織
缶状あるいは織物状態で取付けたスペーサを、電槽外側
セルの壁面に面して挿入し、極板群よりの圧迫をこのス
ペーサで受けることにより電槽の変形をおさえ、かつ硫
酸水溶液を吸収することによって膨張する高分子を配す
ることによって極板表面へのガラスマットの圧迫力を強
化し、正極活物質の軟化・脱落を防止し、電池寿命を改
善するとともに極板群の電槽への挿入を簡便にし、製造
効率を向上させようとするものである。Insert a spacer, such as glass fiber-reinforced phenol, on which a polymer that expands by absorbing an aqueous sulfuric acid solution is attached in the form of a sheet, non-woven can, or fabric, facing the outer cell wall of the battery case. The spacer suppresses the deformation of the battery case by receiving the pressure from the electrode plate group, and the pressure force of the glass mat on the electrode plate surface is reduced by arranging a polymer that expands by absorbing the sulfuric acid aqueous solution. This aims to strengthen the battery, prevent the positive electrode active material from softening and falling off, improve battery life, and facilitate the insertion of the electrode plate group into the battery case, thereby improving manufacturing efficiency.
課題を解決するための手段
上記の課題を解決するため本発明の鉛蓄電池は使用する
電槽材料よりも機械的強度のすぐれた耐酸性の材料と硫
酸水溶液を吸収することによって膨張するとともに耐酸
性を有する高分子を組合せたスペーサを用い、これを複
数のセル内にそれぞれ極板群を同じ方向に向けて収容し
た、いわゆるサイド・ツウ・サイドタイプの樹脂電槽で
は少なくとも両端セル内の外側面に各セル内に極板群を
向き不揃いで収容した、いわゆるコンビネーションタイ
プの樹脂電槽では少なくとも各セル内の外側面に面して
配置するものである。Means for Solving the Problems In order to solve the above problems, the lead-acid battery of the present invention is made of an acid-resistant material that has better mechanical strength than the battery case material used, and expands by absorbing an aqueous sulfuric acid solution and is acid-resistant. In a so-called side-to-side type resin battery case, in which a spacer made of a polymer having In a so-called combination type resin battery case in which a group of electrode plates are housed in each cell with different orientations, the electrode plates are arranged so as to face at least the outer surface of each cell.
作用
以下１本発明を図面を用いて説明すると、第１図はセル
の並びがシリーズに並んだサイド・ツウ・サイドタイプ
の代表的電池を示す概略図で、１はｐｐ、五ＢＳなどの
樹脂電槽、２はペースト式の極板群である。２の極板群
の圧迫度を２０ ｋｇ／ｄｍ２以上の高圧迫度で、電槽
に挿入すると、破線のようにふくれる。Functions Below 1 The present invention will be explained using drawings. Fig. 1 is a schematic diagram showing a typical side-to-side type battery in which cells are arranged in series, and 1 is made of resin such as PP, 5BS, etc. The battery case 2 is a paste-type electrode plate group. When the electrode plate group No. 2 is inserted into a battery case with a pressure level of 20 kg/dm2 or higher, it bulges as shown by the broken line.
そのため２ｏｋｇ／ｄｍ２以上の圧迫度で挿入しても。Therefore, even if it is inserted with a pressure level of 2okg/dm2 or more.
実質的に極板群にかかる圧迫度は小さくなってしまう。Substantially, the degree of pressure applied to the electrode plate group becomes smaller.
また第２図中のムに、一般的に用いられているガラス繊
維製のリテーナの電解液によって濡れた場合の圧迫度の
低下現象を示す。In addition, a phenomenon in which the degree of compression of a commonly used glass fiber retainer is reduced when the retainer is wetted by an electrolytic solution is shown in FIG.
この両者の現象によって、一般的に用いられる樹脂電槽
およびガラス繊維製のリテーナを使用した場合には電解
液注入後の圧迫度を高圧迫度に保った電池を設計しよう
とした場合には極板群を電１に挿入時の圧迫度をリテー
ナの濡れによる収縮度を補正した値にする必要があるた
め、電遭へ押入しにくく、生産性も悪くなる。Due to both of these phenomena, when trying to design a battery that maintains a high degree of compression after electrolyte injection when using commonly used resin battery containers and glass fiber retainers, it is extremely difficult to Since it is necessary to adjust the degree of compression when inserting the plate group into the electric wire 1 to a value that corrects the degree of shrinkage due to wetting of the retainer, it is difficult to push the plate group into the electric wire 1, and productivity also deteriorates.
またあわせて図中のＢに本発明のスペーサを配置した場
合の圧迫度の変化も示す。In addition, B in the figure also shows changes in the degree of compression when the spacer of the present invention is placed.
この結果からも明らかな様に本発明のスペーサを用いる
ことによって圧迫度を任意にかつ容易に設計出来るもの
である。As is clear from this result, by using the spacer of the present invention, the degree of compression can be arbitrarily and easily designed.
第３図は本発明の一例である。図中３はｐｐおよびＡＢ
Ｓよりも硬度の高い耐酸性を有する物質、例えばセラミ
ック、ガラス繊維強化タイプのエポキシ、フェノールな
どであり、４は硫酸水溶液を吸収して膨張する高分子で
あり、両者は熱溶着により部分的に接着されているもの
である。FIG. 3 is an example of the present invention. 3 in the figure is pp and AB
4 is a material that has acid resistance and is harder than S, such as ceramic, glass fiber reinforced epoxy, phenol, etc. 4 is a polymer that expands by absorbing an aqueous sulfuric acid solution, and both are partially bonded by heat welding. It is glued.
このスペーサを電槽外側セルの圧迫を受ける列間壁面に
当接させ、極板群の圧迫をスペーサで受けることにより
、電槽の変形を防ぎ高圧迫を推持するとともに、膨張性
の高分子が膨張することによって、さらに極板群とリテ
ーナの圧迫度を上げ。This spacer is placed in contact with the wall between the rows that is subjected to pressure from the outer cells of the battery case, and the pressure of the electrode plate group is received by the spacer, thereby preventing deformation of the battery case and supporting high pressure. By expanding, the pressure on the electrode plate group and retainer is further increased.
長寿命を達成するものである。It achieves long life.
この膨張性高分子の膨張率をあらかじめ測定しておくこ
とによって、電槽挿入時の圧迫倹を必要に応じて設計出
来るため、極板群の電槽入れはスムーズに出来、生産性
を悪くすることなく製造出来るものである。By measuring the expansion rate of this expandable polymer in advance, it is possible to design the compression when inserting the battery case as necessary, so the electrode plate group can be inserted smoothly into the battery case, which reduces productivity. It can be manufactured without any problems.
実施例 本発明の一実施例を図面に基づいて説明する。Example An embodiment of the present invention will be described based on the drawings.
第３図は本発明電池に用いるスベーブーの１例で、３は
ガラス繊維強化エポキシのシートであり、圧迫力の程度
でその厚みは選択すべきものであるが、２０ ｋｇ／
ｄ！１２程度の圧迫に対しては１〜２ｏｕｎ程度で充分
である。Figure 3 shows an example of the substrate used in the battery of the present invention, and 3 is a sheet of glass fiber reinforced epoxy, the thickness of which should be selected depending on the degree of compression force.
d! About 1 to 2 oun is sufficient for about 12 degrees of compression.
４は硫酸水溶液を吸収することによってその体積が膨張
する特性を有する高分子であり、例えばポリビニルホル
マール樹脂である。4 is a polymer having the property of expanding in volume by absorbing an aqueous sulfuric acid solution, such as polyvinyl formal resin.
この高分子樹脂は５０％希硫酸水溶液中で約２６％膨張
する特性を有するものである。This polymer resin has the property of expanding approximately 26% in a 50% dilute sulfuric acid aqueous solution.
この膨張は等方性を有するものであるため、電槽のふく
れを押える役割を持つ。今回の場合はガラス繊維強化エ
ポキシのサイズ、すなわち電１の外側内面のサイズの２
５％の縮少サイズであり、両者の数点を溶着したもので
ある。厚みは両者合せて２印のものである。Since this expansion is isotropic, it has the role of suppressing the swelling of the battery case. In this case, the size of the glass fiber reinforced epoxy is 2
It is a 5% reduced size, and several points of both are welded together. The total thickness is 2 marks.
第４図はこのスペーサを用いて構成した２セルからなる
サイド・ツウ・サイドタイプの鉛蓄電池である。FIG. 4 shows a two-cell side-to-side type lead-acid battery constructed using this spacer.
５は正極、６は負極であり通常の方法によって製作され
たものである。Ｔは一般的に使用されるガラス繊維製の
リテーナであり、厚みは１市である。5 is a positive electrode, and 6 is a negative electrode, which were manufactured by a conventional method. T is a commonly used retainer made of glass fiber and has a thickness of 1 inch.
極板の構成は正極１枚、負極２枚、リテーナ２枚からな
るものであり、容量は１０時間率で１０ムｈである。The structure of the electrode plates is one positive electrode, two negative electrodes, and two retainers, and the capacity is 10 mh at a 10 hour rate.
この電池をＣとした。また同様の極板構成により、電解
液注入前の圧迫度を上記Ｃの値と同一に設計した従来の
鉛蓄電池をＤとし、この両者８０時間率における充放電
試験を行ない、サイクル寿命の比較を行った。This battery was designated as C. In addition, a conventional lead-acid battery with a similar plate configuration and a compression degree before electrolyte injection designed to be the same as the value of C above was designated as D, and a charge/discharge test was conducted on both at an 80-hour rate to compare the cycle life. went.
その結果を第５図に示した。この結果からも明らかなよ
うに、本発明の鉛蓄電池は従来の構成より成る鉛蓄電池
に比較し大幅にサイクル寿命が向上することが明確にな
った。The results are shown in FIG. As is clear from these results, it is clear that the lead-acid battery of the present invention has a significantly improved cycle life as compared to a lead-acid battery having a conventional configuration.
発明の効果
以上のように本発明の鉛蓄電池によれば、上記のごとき
構成を有するものである、次の様な効果を有するもので
ある。Effects of the Invention As described above, the lead-acid battery of the present invention, which has the above structure, has the following effects.
（１）従来から使ってきた標準の材料を用いた電槽で圧
迫度の高い長寿命の鉛蓄電池が容易につくれる。(1) Lead-acid batteries with high compression and long life can be easily made using standard materials that have been used in the past.
（２） スペーサの１部に硫酸水溶液を吸収して膨張
する特性を有する材料を用いるため、電解液を注入後の
圧迫度を従来の電池と同一に設計した場合には極板群の
電槽への挿入が容易になり、生産性が向上する。(2) Because part of the spacer is made of a material that absorbs sulfuric acid aqueous solution and expands, if the compression degree after injecting the electrolyte is designed to be the same as that of conventional batteries, the battery cell of the electrode plate group This makes insertion easier and improves productivity.
（３） 厚みの薄いスペーサで強度的九満足出来るも
のが得られるため、内容積の犠牲亀が少なく、同一容量
での長寿命鉛蓄電池が得られる。(3) Since it is possible to obtain a spacer with a thin thickness that satisfies the requirements in terms of strength, a long-life lead-acid battery with the same capacity can be obtained with less sacrificial internal volume.
第１図はサイド・ツウ・サイドタイプの代表的な鉛蓄電
池の概略図、第２図は本発明のスペーサを用いた場合と
従来の構成における圧迫度の変化を比較した図、第３図
は本発明のスペーサの概略図、第４図は本発明のスペー
サを配置したサイド・ツウ・サイドタイプの鉛蓄電池の
概略図、第６図は本発明によるサイクル寿命の改善効果
を示す特性図である。
１・・・・・・ｔＮｌ、２・・・・・・極板群、３・・
・・・・ガラス繊維強化エポキシシート、４・・・・・
・硫酸吸収膨張性高分子シート、５・・・・・・正極板
、６・・・・・・負極板、７・・・・・・セパレータ（
ガラス繊維製）。
代理人の氏名 弁理士 粟 野 重 孝 ほか１名第
２ 図
Ｂ〜 間 （１イｒ）Fig. 1 is a schematic diagram of a typical side-to-side type lead-acid battery, Fig. 2 is a comparison of changes in the degree of compression when using the spacer of the present invention and a conventional configuration, and Fig. 3 is FIG. 4 is a schematic diagram of a side-to-side type lead-acid battery in which the spacer of the present invention is arranged, and FIG. 6 is a characteristic diagram showing the cycle life improvement effect of the present invention. . 1... tNl, 2... Plate group, 3...
...Glass fiber reinforced epoxy sheet, 4...
・Sulfuric acid absorbing expandable polymer sheet, 5... Positive electrode plate, 6... Negative electrode plate, 7... Separator (
Made of glass fiber). Name of agent: Patent attorney Shigetaka Awano and 1 other person
2 Between Figure B and (1r)
Claims (1)
した樹脂電槽では少なくとも両端セル内の外側面に各セ
ル内に極板群を向き不揃いで収容した樹脂電槽では少な
くとも各セル内の外側面に面して使用する電槽材料より
も機械的強度に優れ、かつ耐酸性を有する材料と硫酸水
溶液を吸収して膨張する高分子とを組合せたスペーサを
配置したことを特徴とするペースト式鉛蓄電池。In a resin battery case in which a plurality of cells are housed with electrode plate groups facing the same direction, at least the outer surfaces of the cells at both ends are placed in the same direction. A spacer made of a combination of a material that has better mechanical strength and acid resistance than the battery case material used facing the outer surface of the container and a polymer that expands by absorbing an aqueous sulfuric acid solution is arranged. Paste type lead acid battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63334463A JPH02177266A (en) | 1988-12-28 | 1988-12-28 | Lead accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63334463A JPH02177266A (en) | 1988-12-28 | 1988-12-28 | Lead accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02177266A true JPH02177266A (en) | 1990-07-10 |
Family
ID=18277672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63334463A Pending JPH02177266A (en) | 1988-12-28 | 1988-12-28 | Lead accumulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02177266A (en) |
-
1988
- 1988-12-28 JP JP63334463A patent/JPH02177266A/en active Pending
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