JPH05109427A - Sealed lead-acid battery - Google Patents
Sealed lead-acid batteryInfo
- Publication number
- JPH05109427A JPH05109427A JP3269788A JP26978891A JPH05109427A JP H05109427 A JPH05109427 A JP H05109427A JP 3269788 A JP3269788 A JP 3269788A JP 26978891 A JP26978891 A JP 26978891A JP H05109427 A JPH05109427 A JP H05109427A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- active material
- negative electrode
- current collector
- electrode current
- 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
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/131—Primary casings, jackets or wrappings of a single cell or a single battery characterised by physical properties, e.g. gas-permeability or size
- H01M50/133—Thickness
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/121—Organic material
-
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、薄形の密閉形鉛蓄電池
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin sealed lead acid battery.
【０００２】[0002]
【従来の技術】一般に密閉形鉛蓄電池は、正極板、セパ
レータ及び負極板を各１枚あるいは複数枚を順次積層し
てケース内に配置し、電解液を注入した構造となってい
る。最近、密閉形鉛蓄電池を使用する機器の小型化が進
む中で、特に密閉形鉛蓄電池の薄形化の要求が強くなっ
てきており、同一平面上に正極板と負極板をセパレータ
を介して配置した構造が提案されている。2. Description of the Related Art Generally, a sealed lead-acid battery has a structure in which one or a plurality of positive electrode plates, separators and negative electrode plates are sequentially laminated and arranged in a case, and an electrolytic solution is injected. Recently, as equipment using sealed lead-acid batteries is becoming smaller, there is a growing demand for thinner sealed lead-acid batteries, and a positive electrode plate and a negative electrode plate are placed on the same plane with a separator in between. Arranged structures have been proposed.
【０００３】[0003]
【発明が解決しようとする課題】正極板と負極板をセパ
レータなどの電解液保持体を介して同一平面上に隣接配
置させた場合、電解液と極板活物質との接触面積が非常
に小さくなり、電池内部抵抗が増大し、高率放電容量が
小さいという欠点があった。本発明は、上記問題点を解
決しようとするものである。When the positive electrode plate and the negative electrode plate are arranged adjacent to each other on the same plane through an electrolytic solution holder such as a separator, the contact area between the electrolytic solution and the electrode plate active material is very small. However, the internal resistance of the battery increases and the high rate discharge capacity is small. The present invention is intended to solve the above problems.
【０００４】[0004]
【課題を解決するための手段】本発明密閉形鉛蓄電池
は、正極集電体と負極集電体が間隔をあけて同一平面上
に隣接配置され、前記正極集電体上に塗着した正極活物
質上に電解液保持体が積層され、負極活物質が前記負極
集電体上と前記電解液保持体上にわたって塗着されてい
ること、また正極集電体と負極集電体が間隔をあけて同
一平面上に隣接配置され、前記負極集電体上に塗着した
負極活物質上に電解液保持体が積層され、正極活物質が
前記正極集電体上と前記電解液保持体上にわたって塗着
されていることを特徴とするものである。In the sealed lead-acid battery of the present invention, a positive electrode current collector and a negative electrode current collector are arranged adjacent to each other on the same plane with a gap therebetween, and a positive electrode coated on the positive electrode current collector. An electrolytic solution holder is laminated on the active material, and the negative electrode active material is applied over the negative electrode current collector and the electrolytic solution holder, and the positive electrode current collector and the negative electrode current collector are spaced apart from each other. Open and adjacent to each other on the same plane, an electrolyte solution holder is laminated on the negative electrode active material coated on the negative electrode current collector, and the positive electrode active material is on the positive electrode current collector and the electrolyte solution holder. It is characterized by being applied over.
【０００５】[0005]
【作用】本発明は、上記特徴を有することにより、電極
活物質と電解液との接触面積が増大し、電池内部抵抗が
減少して高率放電容量が増加し、また電極活物質と電解
液との間が剥離しないため、取扱い時に厚み方向に曲げ
られることがあっても容量劣化がない。By virtue of the above features, the present invention increases the contact area between the electrode active material and the electrolytic solution, reduces the internal resistance of the battery and increases the high rate discharge capacity, and the electrode active material and the electrolytic solution. Since there is no peeling between the and, there is no capacity deterioration even if it is bent in the thickness direction during handling.
【０００６】[0006]
【実施例】図１及び図２は、本発明の請求項１に示す密
閉形鉛蓄電池の一実施例を示す。０．１mm厚みのポリプ
ロピレン製のフィルム１に、０．１mm厚みの櫛歯形状の
鉛箔をエポキシ系接着剤で接着して正極集電体２と負極
集電体３を同一平面上に配置した。次に正極集電体２上
に正極活物質５のペーストをスクリーン印刷により塗着
し、乾燥、熟成後、電解液保持体４としてガラス繊維を
主成分としたものを正極集電体２と負極集電体３との間
及び正極活物質５上に入れ、次いで、負極集電体３上と
電解液保持体４上にわたって負極活物質６のペーストを
塗着し、乾燥、熟成を行なった。正極活物質５は、電解
液保持体４を介して負極活物質６に覆われた形になる。
次に、化成、水洗、乾燥を行なった後に別のフィルム１
で全体を覆い、フィルム１同志を一部未溶着部（図示せ
ず）を残して周囲を溶着し、次いで、未溶着部から内部
に所定量の電解液を注入し、安全弁部（図示せず）を形
成して密閉形鉛蓄電池を製作した。1 and 2 show an embodiment of a sealed lead acid battery according to claim 1 of the present invention. A positive electrode current collector 2 and a negative electrode current collector 3 were placed on the same plane by bonding a 0.1 mm thick comb-teeth-shaped lead foil to a 0.1 mm thick polypropylene film 1 with an epoxy adhesive. .. Next, the paste of the positive electrode active material 5 is applied onto the positive electrode current collector 2 by screen printing, dried and aged, and the electrolyte solution holder 4 containing glass fiber as a main component is used as the positive electrode current collector 2 and the negative electrode. It was put between the current collector 3 and on the positive electrode active material 5, and then the paste of the negative electrode active material 6 was applied over the negative electrode current collector 3 and the electrolytic solution holder 4, and dried and aged. The positive electrode active material 5 is covered with the negative electrode active material 6 through the electrolytic solution holder 4.
Next, after performing chemical conversion, washing with water, and drying, another film 1
The entire film is covered with, and the film 1 is partially welded to the surroundings, leaving an unwelded portion (not shown). Then, a predetermined amount of electrolyte is injected from the unwelded portion into the safety valve portion (not shown). ) Was formed to produce a sealed lead acid battery.
【０００７】図３は、上記本発明品と、上記実施例にお
ける正極活物質５と負極活物質６をそれぞれ正極集電体
２上と負極集電体３上のみに塗着した他は同様に製作し
た比較品とについて、室温２５±２℃における放電持続
時間を比較したものであり、本発明品は、放電率が高率
になるほど比較品より優れていることがわかる。FIG. 3 is similar to the above-described product of the present invention except that the positive electrode active material 5 and the negative electrode active material 6 in the above embodiment are applied only on the positive electrode current collector 2 and the negative electrode current collector 3, respectively. The produced comparative product is compared with the discharge duration at room temperature of 25 ± 2 ° C., and it is understood that the product of the present invention is superior to the comparative product as the discharge rate becomes higher.
【０００８】本発明の請求項２に示す密閉形鉛蓄電池
は、上記実施例における正極（正極集電体２と正極活物
質５）と負極（負極集電体３と負極活物質６）の配置を
反転したものである。According to a second aspect of the present invention, in the sealed lead-acid battery, the arrangement of the positive electrode (the positive electrode current collector 2 and the positive electrode active material 5) and the negative electrode (the negative electrode current collector 3 and the negative electrode active material 6) in the above embodiment is arranged. Is the reverse of.
【０００９】[0009]
【発明の効果】上述のように、本発明は、正極集電体と
負極集電体が間隔をあけて同一平面上に隣接配置され、
前記正極集電体上の正極活物質（又は負極集電体上の負
極活物質）が電解液保持体を介して負極活物質（又は正
極活物質）に覆われていることにより、電極活物質と電
解液との接触面積が増大し、電池内部抵抗が減少して高
率放電容量が増加し、また電極活物質と電解液との間が
剥離しないため、取扱い時に厚み方向に曲げられること
があっても容量劣化がなく、薄くて高容量の安定した密
閉形鉛蓄電池が得られる工業的価値大なるものである。As described above, according to the present invention, the positive electrode current collector and the negative electrode current collector are arranged adjacent to each other on the same plane with a space therebetween.
Since the positive electrode active material on the positive electrode current collector (or the negative electrode active material on the negative electrode current collector) is covered with the negative electrode active material (or the positive electrode active material) via the electrolytic solution holder, the electrode active material The contact area between the electrolyte and the electrolyte increases, the internal resistance of the battery decreases, the high-rate discharge capacity increases, and since the electrode active material and the electrolyte do not separate, they may be bent in the thickness direction during handling. Even if there is, the capacity is not deteriorated, and a thin and high-capacity stable sealed lead acid battery can be obtained, which is of great industrial value.
【図１】本発明の密閉形鉛蓄電池の一実施例を示す平面
図である。FIG. 1 is a plan view showing an embodiment of a sealed lead acid battery of the present invention.
【図２】図１のＡ−Ａ線に沿う断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】本発明品と比較品における放電容量の比較特性
図である。FIG. 3 is a comparative characteristic diagram of the discharge capacities of the product of the present invention and the comparative product.
１はフィルム、２は正極集電体、３は負極集電体、４は
電解液保持体、５は正極活物質、６は負極活物質1 is a film, 2 is a positive electrode current collector, 3 is a negative electrode current collector, 4 is an electrolyte solution holder, 5 is a positive electrode active material, 6 is a negative electrode active material
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小牧 昭夫 東京都新宿区西新宿２丁目１番１号 新神 戸電機株式会社内 (72)発明者 阿久戸 敬治 東京都千代田区内幸町１丁目１番６号 日 本電信電話株式会社 (72)発明者 尾形 務 東京都千代田区内幸町１丁目１番６号 日 本電信電話株式会社 (72)発明者 堀江 利夫 東京都千代田区内幸町１丁目１番６号 日 本電信電話株式会社 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akio Komaki 2-1-1, Nishishinjuku, Shinjuku-ku, Tokyo Shin-Kindo Electric Co., Ltd. Japan Telegraph and Telephone Corporation (72) Inventor Tsutomu Ogata 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan Telegraph and Telephone Corporation (72) Toshio Horie 1-1-6 Uchisaiwai-cho, Chiyoda-ku, Tokyo Japan Honden Telephone Co., Ltd.
Claims (2)
一平面上に隣接配置され、前記正極集電体上に塗着した
正極活物質上に電解液保持体が積層され、負極活物質が
前記負極集電体上と前記電解液保持体上にわたって塗着
されていることを特徴とする密閉形鉛蓄電池。1. A positive electrode current collector and a negative electrode current collector are arranged adjacent to each other on the same plane with a gap therebetween, and an electrolyte solution holder is laminated on the positive electrode active material coated on the positive electrode current collector. A sealed lead acid battery, characterized in that a negative electrode active material is applied over the negative electrode current collector and the electrolytic solution holder.
一平面上に隣接配置され、前記負極集電体上に塗着した
負極活物質上に電解液保持体が積層され、正極活物質が
前記正極集電体上と前記電解液保持体上にわたって塗着
されていることを特徴とする密閉形鉛蓄電池。2. A positive electrode current collector and a negative electrode current collector are arranged adjacent to each other on the same plane with a space therebetween, and an electrolyte solution holder is laminated on the negative electrode active material coated on the negative electrode current collector. A sealed lead acid battery in which a positive electrode active material is applied over the positive electrode current collector and the electrolyte solution holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3269788A JPH05109427A (en) | 1991-10-18 | 1991-10-18 | Sealed lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3269788A JPH05109427A (en) | 1991-10-18 | 1991-10-18 | Sealed lead-acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05109427A true JPH05109427A (en) | 1993-04-30 |
Family
ID=17477170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3269788A Pending JPH05109427A (en) | 1991-10-18 | 1991-10-18 | Sealed lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05109427A (en) |
-
1991
- 1991-10-18 JP JP3269788A patent/JPH05109427A/en active Pending
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