JPH042042A - Thin form battery - Google Patents
Thin form batteryInfo
- Publication number
- JPH042042A JPH042042A JP2104332A JP10433290A JPH042042A JP H042042 A JPH042042 A JP H042042A JP 2104332 A JP2104332 A JP 2104332A JP 10433290 A JP10433290 A JP 10433290A JP H042042 A JPH042042 A JP H042042A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- neg
- pos
- terminal plate
- battery
- 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
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005992 thermoplastic resin Polymers 0.000 claims description 5
- 125000000524 functional group Chemical group 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 125000003700 epoxy group Chemical group 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 5
- 239000010935 stainless steel Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 239000002313 adhesive film Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 2
- 239000004593 Epoxy Substances 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 2
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical group O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 235000003385 Diospyros ebenum Nutrition 0.000 description 1
- 241000792913 Ebenaceae Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 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 本発明は薄形電池に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to a thin battery.
従来技術とその問題点
近年、携帯用電子機器や電油使用機器は、小形、薄形化
が急速に進展している。それに伴いそれら電子様器の電
源として使用される電池についても、小形、薄形化の要
求が増加している。BACKGROUND OF THE INVENTION In recent years, portable electronic devices and devices that use electric oil have rapidly become smaller and thinner. Accordingly, there is an increasing demand for smaller and thinner batteries used as power sources for these electronic devices.
特にリチウムに代表される軽金属を負極活物質とした厚
みが０．５載以下の薄形電池はＩＣカードなどのカード
状の機器に使用されることが多い。このようなカード状
の機器に内蔵される電源としては、電池の厚みが薄いこ
とと、曲げに耐える柔軟性と長期使用に耐えるｙ−７ｖ
が求められている。In particular, thin batteries with a thickness of 0.5 or less and using a light metal such as lithium as a negative electrode active material are often used in card-shaped devices such as IC cards. The built-in power source for such card-like devices is Y-7V, which has a thin battery, is flexible enough to withstand bending, and can withstand long-term use.
is required.
従来、Ｖ−＃材として変性ポリプロピレンを用いていた
。しかしながら、このシール材は、端子板との接着強度
が弱いことや界面の気密性が不十分であるために、曲げ
によって剥離したり、界面からの水分や酸素などのガス
の侵入により一長期にわたる放置あるいは使用中に電池
性能が劣化するという欠点があった。Conventionally, modified polypropylene has been used as the V-# material. However, this sealing material has weak adhesive strength with the terminal board and insufficient airtightness at the interface, so it may peel off when bent, or it may last for a long time due to the intrusion of gases such as moisture and oxygen from the interface. The drawback is that battery performance deteriorates when left unused or used.
発明の目的
本発明は上記従来の問題点に鑑みなされたものであり、
柔軟性、気密性、加工性、ｙ−〜性に優れた薄形電池を
提供することを目的とするものである。Purpose of the Invention The present invention has been made in view of the above-mentioned conventional problems.
The object of the present invention is to provide a thin battery with excellent flexibility, airtightness, workability, and y-ability.
発明の構成
本発明は上記目的を達成するべく、
正極、電極の集電体を兼ねる２枚のＦ−）状の正、負極
端子板間にセパレータを介して対向するように正極、負
極を配置し、且つ該端子板の肩縁部を接着剤で封口した
電池の接着剤が熱可塑性樹脂であり且つ部分的に熱硬化
性樹脂を混合又は／及び熱硬化性官能基を導入したこと
を特徴とする薄形電池である。Structure of the Invention In order to achieve the above-mentioned object, the present invention has the following steps: A positive electrode and a negative electrode are arranged so as to face each other with a separator interposed between two F--shaped positive and negative electrode terminal plates that also serve as current collectors for the positive electrode and the electrode. and the adhesive of the battery in which the shoulder edge of the terminal plate is sealed with adhesive is a thermoplastic resin and is partially mixed with a thermosetting resin or/and has a thermosetting functional group introduced therein. It is a thin battery.
更に、熱可塑性樹脂がエチレン酢酸ビニル共重合体であ
る前記の薄形電池である。Furthermore, in the thin battery described above, the thermoplastic resin is an ethylene vinyl acetate copolymer.
更に、熱硬化性樹脂がエポキシ系樹脂である前記の薄形
電池である。Furthermore, in the thin battery described above, the thermosetting resin is an epoxy resin.
更に、熱硬化性官能基がエボキｙｘである前記の薄形電
池である。Furthermore, the above-mentioned thin battery has the thermosetting functional group being ebony yx.
実施例 以下、本発明の詳細について一実施例により説明する。Example Hereinafter, the details of the present invention will be explained using one example.
第１図は本発明の薄形電池の断面図、第２図は本発明の
電池と従来品の電池における保存性能を比較した図であ
る。FIG. 1 is a sectional view of the thin battery of the present invention, and FIG. 2 is a diagram comparing the storage performance of the battery of the present invention and a conventional battery.
ここで１は正極の集電体を兼ねるステンレス製の正極端
子板、２は負極の集電体を兼ねるステンレス製の負極端
子板、３は二酸化マンガンを主成分とする正極合剤、４
はリチウムからなる負極、５は過塩素酸リチウムのプロ
ピレンカーボネート溶液をポリプロピレン微孔膜又はポ
リプロピレン不織布に含浸させたもの、あるいはポリエ
チレンオキシド等に過塩素酸リチウムを溶解させた高分
子固体電解質フィルムからなるセバレー！、６は封口接
着剤であり、例えば住友化学社製のボンドファーストム
、ポンドファーストＢ１ボンドファースト０１ポンドフ
ア−ス）Ｅ等がある。Here, 1 is a stainless steel positive electrode terminal plate that also serves as a positive electrode current collector, 2 is a stainless steel negative electrode terminal plate that also serves as a negative electrode current collector, 3 is a positive electrode mixture whose main component is manganese dioxide, and 4
5 is a negative electrode made of lithium, and 5 is a polypropylene microporous membrane or polypropylene nonwoven fabric impregnated with a propylene carbonate solution of lithium perchlorate, or a polymer solid electrolyte film made of lithium perchlorate dissolved in polyethylene oxide, etc. Severe! , 6 are sealing adhesives, such as Bond First B1, Bond First B1, Bond First 01, Pond First E, etc. manufactured by Sumitomo Chemical Co., Ltd.
Ｖ−Ｆ状の正、負極端子板に用いるステンレス製のシー
トを準備し、１．１．１−）リクロロメタンで周縁部即
ち封口する部分を脱脂処理した。その後正極合剤を載置
した正極端子板と、負極を載置した負極端子板とに加工
し、セパレータを介して積層する際に、各端子板間に電
極部分を打抜いた。室枠型のエポキシ変性エチレン酢酸
ビニ〜共重合体系接着剤フィｙムをも介して積層し、そ
の接着剤部分を約１８０℃で１秒間２＃／ｄで加熱Ｖ−
〜した。これにより本発明の電池が得られる。1.1.1-) A stainless steel sheet used for a V-F-shaped positive and negative terminal plate was prepared, and the peripheral edge, that is, the portion to be sealed, was degreased with dichloromethane. Thereafter, they were processed into a positive terminal plate on which the positive electrode mixture was placed and a negative electrode terminal plate on which the negative electrode was placed, and when laminated with a separator in between, electrode portions were punched out between each terminal plate. A chamber frame-shaped epoxy-modified ethylene vinyl acetate-copolymer adhesive film was also laminated, and the adhesive portion was heated at about 180°C for 1 second at 2#/d.
~did. Thereby, the battery of the present invention is obtained.
上記接着剤は短時間でＶ−ルできる利点と金属との接着
性がよいという利点を有する。これは熱可塑性樹脂の利
点と熱硬化性樹脂の利点である。The above adhesive has the advantage of being able to be bonded in a short time and having good adhesion to metals. This is an advantage of thermoplastic resins and thermosetting resins.
上記接着剤の剥離強度を調べるために、２枚のステンレ
ス＆−）の一端に前記条件によって住友化学社製のボン
ドファーストＢ″′ｒ：接着した試料ｌを準備し、２枚
のステンレスＶ−）の他端を互に反対方向に引張るＴ形
剥離試験を温度２５℃、温度４０℃、引張速度１０１／
分で実施した。試料ｌの剥離強度は５．２幻／２５＠１
ｍであった。In order to examine the peel strength of the above adhesive, a sample 1 bonded to one end of two sheets of stainless steel V- ) was subjected to a T-peel test by pulling the other ends in opposite directions at a temperature of 25°C, a temperature of 40°C, and a pulling rate of 101/
It was carried out in minutes. The peel strength of sample 1 is 5.2 phantom/25@1
It was m.
又、上記試料ｌを本発明の電池に用いる有機Ｍ［のプロ
ピレンカーボネートに−２ケ月間浸漬し、同様の条件で
Ｔ形剥離試験を行った。剥離強度には変化がなかった。Further, the above sample 1 was immersed in propylene carbonate of organic M used in the battery of the present invention for -2 months, and a T-peel test was conducted under the same conditions. There was no change in peel strength.
比較のため従来のり一ル材として変性ポリプロピレンで
同じ試料皿を作成した。同様の２ケ月間浸漬し、剥離強
度を測定した。剥離強度は浸漬前、０．８＃７ｚｓ、、
、’ｌ ＩＦ 後ｏ・’ ｋｇ／ ２５ ｇＩｓ以下で
あった。For comparison, the same sample dish was made using modified polypropylene as a conventional glue material. It was immersed in the same manner for two months and its peel strength was measured. Peel strength is 0.8#7zs before immersion.
, after 'l IF o·' kg/25 gIs or less.
第２図に、試料ＩＩＣ用いた接着剤により封口された本
発明の電池と試料■に用いた接着剤により封口された従
来品の電池との温度４０℃・湿度９０％以下での保存に
おける放電容量の経時変化を示した。（初期容量を１０
０とする。）発明の効果
上述した如く、本発明は柔軟性、９に密性、加工性、シ
ール性に優れた薄形電池を提供することが出来るので、
その工業的価値は極めて大である。Figure 2 shows the discharge of a battery of the present invention sealed with the adhesive used in Sample IIC and a conventional battery sealed with the adhesive used in Sample ■ when stored at a temperature of 40°C and humidity of 90% or less. It shows the change in capacity over time. (Initial capacity is 10
Set to 0. ) Effects of the Invention As mentioned above, the present invention can provide a thin battery with excellent flexibility, density, processability, and sealability.
Its industrial value is extremely large.
第１図は本発明の薄形電池の断面図、第２図は本発明と
従来品との保存性能の比較図である。
１・・・正極端子板 ２・・・負極端子板３・・・
正極合剤 ４・・・負極５・・・セパレータ
６・・・封０１２ 着剤、出願人 湯浅電池株式会社
第１図
第２図FIG. 1 is a sectional view of a thin battery of the present invention, and FIG. 2 is a comparison diagram of storage performance between the present invention and a conventional product. 1...Positive terminal plate 2...Negative terminal plate 3...
Positive electrode mixture 4...Negative electrode 5...Separator
6... Seal 012 Adhesive, Applicant Yuasa Battery Co., Ltd. Figure 1 Figure 2
Claims (4)
、負極端子板間にセパレータを介して対向するように正
極、負極を配置し、且つ該端子板の周縁部を接着剤で封
口した電池の接着剤が熱可塑性樹脂であり且つ部分的に
熱硬化性樹脂を混合又は／及び熱硬化性官能基を導入し
たことを特徴とする薄形電池。(1) The positive and negative electrodes are arranged so as to face each other with a separator in between two sheet-shaped positive and negative terminal plates that also serve as current collectors for the positive and negative electrodes, and the peripheral edges of the terminal plates are bonded with adhesive. 1. A thin battery, characterized in that the adhesive of the battery is a thermoplastic resin and is partially mixed with a thermosetting resin or/and has a thermosetting functional group introduced therein.
る請求項１記載の薄形電池。(2) The thin battery according to claim 1, wherein the thermoplastic resin is an ethylene vinyl acetate copolymer.
載の薄形電池。(3) The thin battery according to claim 1, wherein the thermosetting resin is an epoxy resin.
の薄形電池。(4) The thin battery according to claim 1, wherein the thermosetting functional group is an epoxy group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2104332A JPH042042A (en) | 1990-04-18 | 1990-04-18 | Thin form battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2104332A JPH042042A (en) | 1990-04-18 | 1990-04-18 | Thin form battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042042A true JPH042042A (en) | 1992-01-07 |
Family
ID=14377984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2104332A Pending JPH042042A (en) | 1990-04-18 | 1990-04-18 | Thin form battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042042A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0677667U (en) * | 1993-04-12 | 1994-11-01 | 弘誠 本名 | Electric curtain rail using ladder chain |
| US5454979A (en) * | 1992-08-27 | 1995-10-03 | Dow Corning Toray Silicon Co., Ltd. | Fluorosilicone antifoam |
| US5531929A (en) * | 1993-08-26 | 1996-07-02 | Dow Corning Toray Silicone Co., Ltd. | Silicone antifoam compositions |
-
1990
- 1990-04-18 JP JP2104332A patent/JPH042042A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5454979A (en) * | 1992-08-27 | 1995-10-03 | Dow Corning Toray Silicon Co., Ltd. | Fluorosilicone antifoam |
| JPH0677667U (en) * | 1993-04-12 | 1994-11-01 | 弘誠 本名 | Electric curtain rail using ladder chain |
| US5531929A (en) * | 1993-08-26 | 1996-07-02 | Dow Corning Toray Silicone Co., Ltd. | Silicone antifoam compositions |
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