JPH03179662A - Flat type battery - Google Patents
Flat type batteryInfo
- Publication number
- JPH03179662A JPH03179662A JP1316877A JP31687789A JPH03179662A JP H03179662 A JPH03179662 A JP H03179662A JP 1316877 A JP1316877 A JP 1316877A JP 31687789 A JP31687789 A JP 31687789A JP H03179662 A JPH03179662 A JP H03179662A
- Authority
- JP
- Japan
- Prior art keywords
- terminal plate
- battery
- sealing material
- negative terminal
- chromate
- 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
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003566 sealing material Substances 0.000 claims abstract description 12
- 239000003792 electrolyte Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000005486 organic electrolyte Substances 0.000 abstract description 4
- -1 polypropylene Polymers 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000005055 memory storage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000007718 adhesive strength test Methods 0.000 description 1
- VFTOLAKHPLTCIF-UHFFFAOYSA-N aminoazanium;dihydrogen phosphate Chemical compound NN.OP(O)(O)=O VFTOLAKHPLTCIF-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method 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
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、薄形機器、例えばＩＣカード、電卓などの電
源となる扁平形電池の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to improvements in flat batteries that serve as power sources for thin devices such as IC cards and calculators.
従来の技術
従来この種の電池は、第２図に示すように有機電解液を
含浸させたポリプロピレン不織布からなるセパレータ１
を介在させて、金属ノ・ロゲン化物。2. Description of the Related Art Conventionally, this type of battery has a separator 1 made of a polypropylene nonwoven fabric impregnated with an organic electrolyte, as shown in FIG.
Intervening, metal norogenide.
金属酸化物からなる正極活物質２と、リチウムからなる
負極活物質３の発電要素に、変性ポリエチレン、変性ポ
リプロピレンなどからなる絶絶シール材４を配備し、ス
テンレス鋼板、あるいはステンレス鋼板の外面にニッケ
ルメッキを施した正極端子板６と、負極端子板６の周縁
部を前記絶縁シール材４を重ね合わせて熱溶着すること
により、発電要素を密封口する構成である。また、上記
正極端子板６釦よび負極端子板６のステンレス鋼は、５
ＵＳ４３０の材質で厚みが３０μｍのものが使用されて
いる。この種の電池は、ＩＣカードのメモリー保持電源
のように超薄形機器に使用され、その機器は各人がポケ
ットなどに入れて持ち運ばれる。従って、メモリー保持
のための信頼性の高い電池釦よび、ポケットなどに入れ
ても損傷しない電池が便室されている。A power generation element consisting of a positive electrode active material 2 made of a metal oxide and a negative electrode active material 3 made of lithium is provided with an insulating sealing material 4 made of modified polyethylene, modified polypropylene, etc., and a stainless steel plate or nickel is applied to the outer surface of the stainless steel plate. The power generation element is hermetically sealed by overlapping and thermally welding the insulating sealing material 4 to the peripheral edges of the plated positive terminal plate 6 and negative terminal plate 6. Further, the stainless steel of the positive terminal plate 6 button and the negative terminal plate 6 is 5.
A material of US430 with a thickness of 30 μm is used. This type of battery is used in ultra-thin devices, such as memory storage power supplies for IC cards, and these devices are carried by people in their pockets. Therefore, there is a highly reliable battery button for memory storage, and a battery that will not be damaged even when placed in a pocket.
発明が解決しようとする課題
ところが、この扁平形電池は、例えば０．７６１１１１
１のＩＣカードの電源として組み込み使用される場合、
ズボンの後ポケットに入れるケース、ＩＣカ−ドを床に
落とし踏みつけるケースが考えられる。Problems to be Solved by the Invention However, this flat battery has a 0.761111
When used as a power source for IC card 1,
Cases where the IC card is put in the back pocket of pants or cases where the IC card is dropped on the floor and stepped on are considered.
上記ケースを考えて、人の体重、例えば１００ＫＰの荷
重をＩＣカード上にかけると電池の絶縁シール材４と、
正極端子板６．負極端子板６０間から、電池内部の有機
電解液が外部にはみ出してし！うというｎ題がある。こ
れは、カード内の回路を損傷させるだけでなく、電池と
しての機能も果さなくなる。Considering the above case, if a person's weight, for example 100 KP, is applied on the IC card, the insulation sealing material 4 of the battery will
Positive terminal plate6. The organic electrolyte inside the battery is leaking out from between the negative terminal plate 60! There are n questions. This not only damages the circuitry within the card, but also prevents it from functioning as a battery.
本発明は、このような課題を解消するもので、１００与
程度の荷重を加えても、電池内部の有機電解液が外部に
はみ出すことのない、信頼性の高い扁平形電池とするこ
とを目的とするものである。The present invention aims to solve these problems and to provide a highly reliable flat battery in which the organic electrolyte inside the battery does not leak out even when a load of approximately 100% is applied. That is.
課題を解決するための手段
本発明は、上記課題を解消するために、正極端子板６．
負極端子板６の絶縁シール材４と対向する面をクロメー
ト処理したものである。Means for Solving the Problems In order to solve the above problems, the present invention provides a positive terminal plate 6.
The surface of the negative electrode terminal plate 6 facing the insulating sealing material 4 is chromate-treated.
作 用
このように本発明は、正極端子板６．負極端子板６の絶
縁シール材４と対向する面をクロメート処理することに
より、正、負極端子板と、絶縁シール材４を重ね合わせ
て熱溶着した際に、強固に溶着され、１００ＫＰの荷重
が電池にかかっても耐え得る電池を供給できる。Operation As described above, the present invention provides a positive terminal plate 6. By chromating the surface of the negative terminal plate 6 facing the insulating seal material 4, when the positive and negative terminal plates and the insulating seal material 4 are overlapped and thermally welded, they are firmly welded and a load of 100 KP can be applied. We can supply batteries that can withstand battery damage.
これは、一般的に金属と樹脂の接着あるいは溶着による
接着強度は、ファンデルワールスカッ水素結合、酸塩基
相互作用により影響される。このクロメート処理は、一
般的に、クロム酸またはクロム酸塩を主成分とする水溶
液中に金属を浸漬し、化学反応によって金属表面に不溶
性のクロム酸塩（クロメート）の皮膜をつくる処理をい
う。この皮膜組成は、ｍＣｒ２Ｏ３＋＋ｎＣｒＯ３＊ｘ
Ｈ２Ｏ，Ｃｒ （ＯＨ）３＋＋ ｎＨ２Ｏのような化合
物である。This is because, in general, the adhesive strength of adhesion or welding between metal and resin is influenced by van der Waals hydrogen bonding and acid-base interaction. Chromate treatment is generally a process in which a metal is immersed in an aqueous solution containing chromic acid or a chromate as a main component, and a chemical reaction forms an insoluble chromate film on the metal surface. This film composition is mCr2O3++nCrO3*x
It is a compound such as H2O, Cr(OH)3++ nH2O.
この水酸化物などは、水素結合に大きく寄与し、接着強
度が犬になる。実際に、クロメート処理前の端子板と、
クロメート処理後の端子板を変性ポリプロピレンにより
熱溶着し、接着強度の比較をすると、クロメート処理前
の端子板を用いたものに比べ約２倍の強度が得られた。These hydroxides greatly contribute to hydrogen bonding and improve adhesive strength. In fact, the terminal board before chromate treatment,
When the terminal plate after chromate treatment was thermally welded with modified polypropylene and the adhesive strength was compared, the strength was approximately twice as strong as that using the terminal plate before chromate treatment.
上記、端子板と絶縁シール材（変性ポリプロピレン）の
接着強度が大きくなったことにより、電池に１００％、
の荷重がかかった場合でも、電池内部より電解液が外部
にはみ出す現象がなくなった。As mentioned above, due to the increased adhesive strength between the terminal board and the insulating sealing material (modified polypropylene), 100%
Even when a load is applied, the electrolyte no longer leaks out from inside the battery.
実施例 以下本発明について実施例により詳述する。Example The present invention will be explained in detail below using examples.
第１図に本発明の実施例の断面図を示す。プロピレンカ
ーボネートに１モル／ｆｔの過塩素酸リチウムを溶解し
た電解液を含浸させたポリプロピレン不織布からなるセ
パレータ１の上面に、二酸化マンガンとカーボンと結着
剤を混合した正極活物質２を配備し、クロメート処理し
た５ＵＳ４３０のステンレス鋼板の中央部を外側へ膨出
させた正極端子板６と、平板のクロメート処理した５Ｕ
Ｓ４３０のステンレス鋼板を用いた負極端子板６で包含
し、正極端子板６と負極端子板６の周縁部を、変性ポリ
プロピレンからなる絶縁シール材４と重ね合わせて、周
縁部を熱溶着により封止して本発明電池を組み立てた。FIG. 1 shows a sectional view of an embodiment of the present invention. A positive electrode active material 2 made of a mixture of manganese dioxide, carbon, and a binder is provided on the upper surface of a separator 1 made of a polypropylene nonwoven fabric impregnated with an electrolytic solution containing 1 mol/ft of lithium perchlorate dissolved in propylene carbonate. A positive terminal plate 6 is made of a chromate-treated 5US430 stainless steel plate with the central part bulging outward, and a flat chromate-treated 5U
The negative terminal plate 6 is made of S430 stainless steel plate, and the peripheral edges of the positive terminal plate 6 and the negative terminal plate 6 are overlapped with an insulating sealing material 4 made of modified polypropylene, and the peripheral edges are sealed by heat welding. A battery of the present invention was assembled.
７，８はクロメート処理層を示す。7 and 8 indicate chromate treatment layers.
この５ＵＳ４３０からなる正、負極端子板のクロメート
処理の方法は、３０μｍの厚みの５ＵＳ４３０の片面を
クロメート処理液（Ｚ ｎ Ｏ２Ｐ／Ｉｌ ＋ Ｃｒ
０３１ｏｙ／Ｉｔ、Ｈ２Ｓ１Ｆ６（４０％）１０ｙ／ｆ
、リン酸ヒドラジン４ ｙ／ｆｌの混合液）で処理を
行った。The method for chromate treatment of the positive and negative terminal plates made of 5US430 is to treat one side of 5US430 with a thickness of 30 μm with a chromate treatment solution (Z n O2P/Il + Cr
031oy/It, H2S1F6 (40%) 10y/f
, a mixture of 4 y/fl of hydrazine phosphate).
次に従来例として上記正極端子板６、負極端子板６にク
ロメート処理前の５ＵＳ４３０を用いて同様にして電池
を組み立てて従来電池としたものを第２図に示す。この
各々の電池サイズは、２２調Ｘ ２９ ｍ 、厚み０．
５園とし、電池容量は４５ｍＡｈである。Next, as a conventional example, a conventional battery is shown in FIG. 2, which is assembled in the same manner using 5US430 before chromate treatment for the positive terminal plate 6 and negative terminal plate 6. The size of each battery is 22 mm x 29 m, and the thickness is 0.
There are 5 gardens, and the battery capacity is 45mAh.
この本発明電池と従来電池を上部より１００聾の荷重を
１分間、電池全面にかけた後に外観を調査した。電池数
３個ずつ試験を行った結果、本発明電池は、変化がなか
った。しかし、従来電池は、電池内部より電解液が３個
共にはみ出していた。After applying a load of 100 mm from above to the entire surface of the battery for 1 minute, the appearance of the battery of the present invention and the conventional battery was examined. As a result of testing three batteries at a time, there was no change in the batteries of the present invention. However, in the conventional battery, all three electrolytes protruded from inside the battery.
次に、上記本発明電池と従来電池を切断し、第３図に示
すように、正極端子板６．負極端子板６を上下に引っ張
り接着強度を測定した。この時の端子板の幅は、１６簡
であり、引っ張り速度を８ ｗ／分とした。Next, the battery of the present invention and the conventional battery were cut, and as shown in FIG. 3, the positive terminal plate 6. The negative electrode terminal plate 6 was pulled up and down to measure the adhesive strength. The width of the terminal plate at this time was 16 strips, and the pulling speed was 8 W/min.
上記接着強度の試験結果は、本発明電池が４．５聾であ
り、従来電池が２．５Ｋｐであった。The adhesive strength test results were 4.5 Kp for the battery of the present invention and 2.5 Kp for the conventional battery.
以上の結果からクロメート処理した正、負極端子板を用
いた本発明電池は、従来電池に比べて、接着強度が１．
８倍となり、１００ＫＰの荷重にも耐え得ることがわか
る。From the above results, the battery of the present invention using chromate-treated positive and negative terminal plates has an adhesive strength of 1.0% compared to the conventional battery.
It can be seen that it is 8 times as large and can withstand a load of 100 KP.
発明の効果
以上のように本発明によれば、電池をＩＣカードに組み
込みズボンの後ポケット、あるいはＩＣカードを踏みつ
けても耐えることができ、信頼性の高い、薄形機器の電
源として最適なものを得るという効果が得られる。Effects of the Invention As described above, according to the present invention, a battery is incorporated into an IC card and can withstand even if the IC card is stomped on or placed in the back pocket of pants, and is highly reliable and ideal as a power source for thin devices. This has the effect of obtaining .
第１図は本発明の実施例における電池要部の従断面図、
第２図は従来の実施例における電池要部の縦断面図、第
３図は実施例における接着強度測定の状態を示す図であ
る。
１・・・・・・セパレータ、２・・・・・・正極活物質
、３・・・・・・負極活物質、４・・・・・・絶縁シー
ル材、５・・・・・・正極端子板、６・・・・・・負極
端子板、７．８・・・・・・クロメート処理層。FIG. 1 is a cross-sectional view of the main parts of a battery in an embodiment of the present invention;
FIG. 2 is a vertical cross-sectional view of the main parts of a battery in a conventional embodiment, and FIG. 3 is a diagram showing the state of adhesive strength measurement in the embodiment. 1...Separator, 2...Positive electrode active material, 3...Negative electrode active material, 4...Insulating sealing material, 5...Positive electrode Terminal plate, 6... Negative terminal plate, 7.8... Chromate treatment layer.
Claims (1)
発電要素を、シート状の正、負極端子板およびこの両者
の周縁部間に介在した窓枠状の絶縁シール材により密封
した扁平形電池であつて、前記窓枠状の絶縁シール材と
対向する正極端子板および負極端子板の表面をクロメー
ト処理したことを特徴とする扁平形電池。It is a flat battery in which a power generating element consisting of a positive electrode, a negative electrode, and a separator holding an electrolyte is sealed with a sheet-shaped positive and negative terminal plate and a window frame-shaped insulating sealing material interposed between the peripheral edges of the two. A flat battery characterized in that surfaces of a positive terminal plate and a negative terminal plate facing the window frame-shaped insulating sealing material are subjected to chromate treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1316877A JPH03179662A (en) | 1989-12-06 | 1989-12-06 | Flat type battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1316877A JPH03179662A (en) | 1989-12-06 | 1989-12-06 | Flat type battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03179662A true JPH03179662A (en) | 1991-08-05 |
Family
ID=18081910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1316877A Pending JPH03179662A (en) | 1989-12-06 | 1989-12-06 | Flat type battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03179662A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10312788A (en) * | 1997-05-14 | 1998-11-24 | Ricoh Co Ltd | Flat battery |
| JP2001307715A (en) * | 2000-04-19 | 2001-11-02 | Dainippon Printing Co Ltd | Lithium ion battery tab and conversion treatment method of tab material |
| JP2002216741A (en) * | 2001-01-18 | 2002-08-02 | Dainippon Printing Co Ltd | Lithium ion battery tab |
-
1989
- 1989-12-06 JP JP1316877A patent/JPH03179662A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10312788A (en) * | 1997-05-14 | 1998-11-24 | Ricoh Co Ltd | Flat battery |
| JP2001307715A (en) * | 2000-04-19 | 2001-11-02 | Dainippon Printing Co Ltd | Lithium ion battery tab and conversion treatment method of tab material |
| JP2002216741A (en) * | 2001-01-18 | 2002-08-02 | Dainippon Printing Co Ltd | Lithium ion battery tab |
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