JPH0140471B2 - - Google Patents
Info
- Publication number
- JPH0140471B2 JPH0140471B2 JP57087548A JP8754882A JPH0140471B2 JP H0140471 B2 JPH0140471 B2 JP H0140471B2 JP 57087548 A JP57087548 A JP 57087548A JP 8754882 A JP8754882 A JP 8754882A JP H0140471 B2 JPH0140471 B2 JP H0140471B2
- Authority
- JP
- Japan
- Prior art keywords
- separator
- electrolyte
- battery
- chambers
- resin frame
- 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
- 239000003792 electrolyte Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 239000003365 glass fiber Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004063 acid-resistant material Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
-
- 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 Separators (AREA)
Description
【発明の詳細な説明】
本発明は電解液を含浸保持した隔離体を備え、
極板群以外には自由電解液が存在しない密閉形鉛
蓄電池の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention comprises a separator impregnated with an electrolyte,
This invention relates to an improvement in a sealed lead-acid battery in which no free electrolyte exists outside the electrode group.
従来この種電池は、PbあるいはPb−Ca系合金
を格子体に用い、隔離体としては、径の細いガラ
ス繊維をマツト状板にしたものを使用し、これに
比重1300〜1350程度の硫酸水溶液を電解液として
含浸保持させただけの液量のきわめて少ない電池
である。従つてこの電池は、液漏れの心配がな
く、また充電中に陽極から発生した酸素ガスは容
易に陰極に移動し、陰極板に次に示す密閉反応に
よつて吸収されるので、密閉構造にできるという
優れた特徴を有している。 Conventionally, this type of battery uses Pb or Pb-Ca type alloy as the grid, and as the separator, a pine-like plate made of thin glass fiber is used, and a sulfuric acid aqueous solution with a specific gravity of about 1300 to 1350 is used as the separator. It is a battery with an extremely small amount of liquid, which is simply impregnated and held as an electrolyte. Therefore, this battery does not have to worry about liquid leakage, and oxygen gas generated from the anode during charging easily moves to the cathode and is absorbed by the cathode plate through the following sealing reaction, so it has a sealed structure. It has the excellent feature of being able to
１／2O2＋Pb＝PbO
PbO＋H2SO4＝PbSO4＋H2O
しかし、該電池においては、ガラス繊維の密な
集合体である隔離体に毛管現象を利用して電解液
を含浸保持しているため、電極を大形化した場
合、電池の充放電を繰返すことにより電解液が移
動し、電極に接する隔離体の上部では下部に比
べ、電解液の保持量が減少し、且つ電解液比重
（すなわち濃度）が低くなる。このような電解液
の分布により、集電端子に近く電極の最も電気抵
抗の小さい上部において、放電反応に必要な電解
液が確保されないため、高率放電特性が著るしく
劣る欠点を有していた。 1/2O 2 +Pb=PbO PbO+H 2 SO 4 =PbSO 4 +H 2 O However, in this battery, the electrolyte is impregnated and held in the separator, which is a dense aggregate of glass fibers, using capillary action. Therefore, when the electrode is made larger, the electrolyte moves as the battery is repeatedly charged and discharged, and the amount of electrolyte retained in the upper part of the separator in contact with the electrode decreases compared to the lower part, and the specific gravity of the electrolyte ( In other words, the concentration) becomes lower. Due to this distribution of the electrolyte, the electrolyte necessary for the discharge reaction is not secured in the upper part of the electrode, which is near the current collector terminal and has the lowest electrical resistance, so the high rate discharge characteristics are significantly inferior. Ta.
本発明は上記の如き欠点を除去するもので、通
常の自動車用電池の電極程度に大形化しても、高
率放電特性が優れている密閉形鉛蓄電池を提供す
ることにある。 The present invention aims to eliminate the above-mentioned drawbacks and provides a sealed lead-acid battery which has excellent high rate discharge characteristics even when the battery is made as large as the electrodes of a normal automobile battery.
本発明の要点は、樹脂枠体の内部を複数室に仕
切る仕切り棧を設け、該室内にガラス繊維をマツ
ト状に充填した隔離体を用いる点にある。電解液
は各室内にマツト状に充填したガラス繊維の中に
大部分含浸されるが、仕切り棧に取り囲まれた各
室間ではガラス繊維を介した液絡が起こらないよ
うにすることが必要である。このことによつて、
各室内に含浸されている電解液は各室内だけで利
用されることになり、各室間での電解液の移動が
少なくなり、隔離体全面で電解液の分布が均等に
なる。従つて、電極を大型化しても上述したよう
な弊害はなく、十分な高率放電特性が確保出来
る。 The key point of the present invention is to provide a partition for partitioning the inside of a resin frame into a plurality of chambers, and to use a separator filled with glass fibers in a mat shape in the chambers. Most of the electrolyte is impregnated into the glass fibers packed in a mat shape in each chamber, but it is necessary to prevent liquid junctions from occurring through the glass fibers between the chambers surrounded by partitions. be. By this,
The electrolyte impregnated in each chamber is used only in each chamber, reducing movement of the electrolyte between the chambers and ensuring uniform distribution of the electrolyte over the entire surface of the separator. Therefore, even if the electrode is made larger, there is no problem as described above, and sufficient high rate discharge characteristics can be ensured.
なお、内部に仕切り棧を設けた樹脂枠体は通常
の射出成形や樹脂体をプレス打抜きすることによ
つて得られる。樹脂枠体の材質はポリプロピレン
樹脂、ABS樹脂、ポリ塩化ビニル樹脂、他耐酸
性を有するものが良い。仕切り棧によつて区画さ
れた各室内へのガラス繊維の充填は、ガラス繊維
のマツト体を各室の寸法に裁断してはめ込むか、
該マツト体の両側からあらかじめ分割しておいた
樹脂枠体ではさんで、樹脂枠体とガラスマツトを
一体に貼り合わせても良い。 Note that the resin frame provided with the partition rod inside can be obtained by ordinary injection molding or press punching of the resin body. The material of the resin frame is preferably polypropylene resin, ABS resin, polyvinyl chloride resin, or other acid-resistant material. To fill each room divided by partition beams with glass fiber, either cut a glass fiber mat to the dimensions of each room and fit it.
The resin frame and the glass mat may be bonded together by sandwiching resin frames that have been previously divided from both sides of the mat.
次に本発明の実施例を説明する。 Next, embodiments of the present invention will be described.
第１図に本発明の一実施例である隔離体４を示
した。樹脂枠体１はポリプロピレン樹脂の板材
（幅127mm、長さ148mm、厚さ２mm）を仕切り棧３
の幅１mmを残して、幅20mm×長さ20mmの大きさの
複数の室に切抜いたもので、各室にガラス繊維の
マツト体２がはめ込まれている。ガラス繊維のマ
ツト体２は径1μｍのガラス繊維をバインダーで
結着させたもので、各室の寸法にあわせて幅20mm
×長さ20mmの大きさにあらかじめ切り出した。該
ガラスマツトの厚みは、20Kg／ｄm2荷重下で1.0
mmになるものを２枚重ねて使用した。 FIG. 1 shows a separator 4 which is an embodiment of the present invention. Resin frame 1 is made of polypropylene resin board (width 127 mm, length 148 mm, thickness 2 mm) and partitions 3
A plurality of chambers of 20 mm width x 20 mm length are cut out, leaving a width of 1 mm, and a glass fiber mat body 2 is fitted into each chamber. The glass fiber mat body 2 is made by binding glass fibers with a diameter of 1 μm with a binder, and has a width of 20 mm to match the dimensions of each chamber.
It was cut out in advance to a size of 20 mm in length. The thickness of the glass mat is 1.0 under a load of 20Kg/ dm2 .
I used two sheets of the same size as each other.
陽極板と陰極板は常法に従い、ペースト充填、
熟成、乾燥、化成を経て作製した。陽極板の厚さ
は2.0mm、陰極板の厚さは1.4mmそれぞれの幅と長
さは上記隔離体と同一で、格子体の合金組成は
0.08wt％Ca−1.0wt％Sn残部Pbである。 Fill the anode and cathode plates with paste according to the usual method.
It was produced through aging, drying, and chemical conversion. The thickness of the anode plate is 2.0mm, the thickness of the cathode plate is 1.4mm, the width and length are the same as the above separator, and the alloy composition of the grid body is
0.08 wt %Ca−1.0 wt %Sn balance Pb.
上述した隔離体４と電極を用いて電池を組立て
た。電池の構成は陽極板１枚の両側に本発明によ
る隔離体４を配し、更にその外側に陰極板を１枚
づつ配したもので、これら極板群には20Kg／ｄm2
の荷重がかかるようにしてある。電解液は比重
1345の硫酸95ml注液した。比較のため同一条件で
作製した電極とガラスマツトだけの隔離体を用い
た電池も作製した。この場合の注液量は99mlであ
る。いずれの電池も密閉状態にしてから14.7V定
電圧充電（5A制限）を８時間行つた後、室温で
１週間放置し、高率放電特性を比較した。結果は
第２図に示した。放電々流は30A、室温雰囲気で
ある。第２図から明らかなように、本発明による
隔離体４を用いた電池Ａは、ガラスマツトのみの
隔離体を用いた電池Ｂと比べ、放電電圧が高く、
且つ放電持続時間も長く、いずれにおいても優れ
ており、本発明による隔離体４によつて電極全体
に対して均等に電解液濃度と量が供給されるため
であると考えられる。 A battery was assembled using the separator 4 and electrodes described above. The battery has a structure in which separators 4 according to the present invention are placed on both sides of one anode plate, and one cathode plate is placed on the outside of the separator 4, and each of these electrode plates has a capacity of 20 kg/dm 2
It is designed so that the load is applied to it. Electrolyte has specific gravity
95ml of 1345 sulfuric acid was injected. For comparison, we also fabricated a battery using electrodes fabricated under the same conditions and a separator consisting only of glass mat. The injection volume in this case is 99ml. After each battery was sealed and charged at a constant voltage of 14.7V (limited to 5A) for 8 hours, it was left at room temperature for one week, and its high rate discharge characteristics were compared. The results are shown in Figure 2. The discharge current is 30A at room temperature. As is clear from FIG. 2, battery A using the separator 4 according to the present invention has a higher discharge voltage than battery B using the separator made of only glass mats.
In addition, the discharge duration is long, which is excellent in both respects, and it is thought that this is because the electrolyte solution concentration and amount are uniformly supplied to the entire electrode by the separator 4 according to the present invention.
なお本発明においては、樹脂枠体１の各室は、
格子形状にしたが、例えば中空の六角柱の仕切り
棧を接合した所謂ハニカム構造や、中空の円柱仕
切り棧を接合した形状等各室間で電解液の移動が
生じないような形状を使用することができる。 In addition, in the present invention, each chamber of the resin frame 1 is
Although the lattice shape is used, for example, a so-called honeycomb structure in which hollow hexagonal columnar partitions are joined together, or a shape in which hollow cylindrical partitions are joined, etc., should be used in a shape that prevents the movement of electrolyte between each chamber. I can do it.
上述のように本発明によれば樹脂枠体中に複数
の室を設け、その中にガラス繊維をマツト状に充
填した隔離体を用いることによつて、電極が大形
化しても高率放電特性が優れており、隔離体の強
度も向上し取扱い性が良い等工業的価値きわめて
大なるものである。 As described above, according to the present invention, by providing a plurality of chambers in a resin frame and using a separator in which glass fibers are filled in a mat shape, high rate discharge can be achieved even if the electrode becomes large. It has excellent properties, improves the strength of the separator, and is easy to handle, making it extremely valuable industrially.
第１図は本発明による隔離体の構成図、第２図
は室温、30A放電したときの電池電圧と放電時間
の関係曲線図である。
１は樹脂枠体、２はガラス繊維マツト体、３は
仕切り棧、４は隔離体。
FIG. 1 is a block diagram of the separator according to the present invention, and FIG. 2 is a graph showing the relationship between battery voltage and discharge time when discharged at 30 A at room temperature. 1 is a resin frame body, 2 is a glass fiber mat body, 3 is a partition frame, and 4 is an isolation body.
Claims (1)
群以外には自由電解液が存在しない密閉形鉛蓄電
池において、 前記隔離体４は、樹脂枠体１と、ガラス繊維と
を有し、 前記隔離体４は、前記樹脂枠体１の内部を複数
室に仕切る仕切り棧３が設けられてあり、前記室
内に前記ガラス繊維をマツト状２に充填せしめた
ものである、 密閉形鉛蓄電池。[Scope of Claims] 1. A sealed lead-acid battery comprising a separator 4 impregnated with an electrolyte and in which no free electrolyte exists outside the electrode plate group, wherein the separator 4 comprises a resin frame 1 and a glass The isolator 4 is provided with a partition 3 that partitions the inside of the resin frame 1 into a plurality of chambers, and the chambers are filled with the glass fibers in a mat shape 2. , sealed lead-acid battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57087548A JPS58204471A (en) | 1982-05-24 | 1982-05-24 | Lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57087548A JPS58204471A (en) | 1982-05-24 | 1982-05-24 | Lead storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58204471A JPS58204471A (en) | 1983-11-29 |
| JPH0140471B2 true JPH0140471B2 (en) | 1989-08-29 |
Family
ID=13918035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57087548A Granted JPS58204471A (en) | 1982-05-24 | 1982-05-24 | Lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58204471A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022185790A1 (en) | 2021-03-03 | 2022-09-09 | 大王製紙株式会社 | Tape-type disposable diaper |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6124956U (en) * | 1984-07-19 | 1986-02-14 | 日本電池株式会社 | Large capacity sealed lead acid battery |
| CN102347475B (en) * | 2010-07-27 | 2016-01-20 | 鲁南煤化工研究院 | A kind of high performance lithium ion battery and manufacture craft thereof |
-
1982
- 1982-05-24 JP JP57087548A patent/JPS58204471A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022185790A1 (en) | 2021-03-03 | 2022-09-09 | 大王製紙株式会社 | Tape-type disposable diaper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58204471A (en) | 1983-11-29 |
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