JPH0660859A - Thin type battery - Google Patents
Thin type batteryInfo
- Publication number
- JPH0660859A JPH0660859A JP4232848A JP23284892A JPH0660859A JP H0660859 A JPH0660859 A JP H0660859A JP 4232848 A JP4232848 A JP 4232848A JP 23284892 A JP23284892 A JP 23284892A JP H0660859 A JPH0660859 A JP H0660859A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- current collector
- collector
- board
- printed
- 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.)
- Granted
Links
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
Landscapes
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、エレクトロニクス機
器、玩具、アクセサリ−などの分野に使われる薄形電池
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 battery used in fields such as electronic equipment, toys and accessories.
【０００２】[0002]
【従来の技術】薄形電池は正極集電体の周縁に接着剤を
配置し、該正極集電体の内面中央域（接着剤の介在しな
い領域）に正極活物質を配置し、さらに該正極活物質面
上に電解質を配置し正極板を作製する。また負極集電体
の周縁に前記正極用接着剤枠より内寸が僅かに小さい負
極用接着剤枠体を配置し、該負極集電体の内面中央域に
負極活物質例えばリチウム又はカ−ボンを配置し、さら
に又は該負極活物質面上に電解質を配置して負極板を作
製する。このようにして作製された正極板及び負極板を
互いに内面同士を重ね合わせ、減圧状態下または加圧下
で前記正極・負極接着剤を集電体の上からヒ−トシ−ル
し、電池を密閉し作製していた。薄形電池の端子は各極
の集電体の一部に設けた耳部からなり、該耳部を機器な
どの端子接続部に半田づけしていた。2. Description of the Related Art In a thin battery, an adhesive is arranged on the periphery of a positive electrode current collector, and a positive electrode active material is arranged in the central area (area where no adhesive is present) of the positive electrode current collector. An electrolyte is arranged on the surface of the active material to produce a positive electrode plate. Further, a negative electrode adhesive frame whose inner size is slightly smaller than the positive electrode adhesive frame is arranged on the periphery of the negative electrode current collector, and a negative electrode active material such as lithium or carbon is provided in the central area of the inner surface of the negative electrode current collector. And the electrolyte is further arranged on the surface of the negative electrode active material to prepare a negative electrode plate. The positive electrode plate and the negative electrode plate thus produced are laminated on each other with their inner surfaces overlapped with each other, and the positive electrode / negative electrode adhesive is heat-sealed from above the current collector under reduced pressure or under pressure to seal the battery. I was making it. The terminal of the thin battery is composed of an ear portion provided on a part of the current collector of each pole, and the ear portion is soldered to a terminal connecting portion of a device or the like.
【０００３】このような従来の薄形電池は柔軟性があ
り、プリント基板などに装着する際に電池を固定するこ
とが難しいばかりか、自動装着することが難しかった。
またプリント基板上に接続しても不安定で、多くの端子
を設け安定化するなどしていた。さらに電池ホルダ−な
どを必要とする場合もあった。Such a conventional thin battery is flexible, and it is difficult to fix the battery when mounting it on a printed circuit board or the like, and it is difficult to mount it automatically.
In addition, it is unstable even if it is connected to a printed circuit board, and many terminals have been provided for stabilization. Further, a battery holder or the like may be required in some cases.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上記問題点に
鑑みてなされたものであって、その目的とするところは
薄形電池の特徴を生かし、プリント基板の負荷価値を高
め、実装を容易にする薄形電池を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to enhance the load value of a printed circuit board by utilizing the characteristics of a thin battery and to facilitate mounting. The purpose is to provide a thin battery.
【０００５】[0005]
【課題を解決するための手段】本発明は上記目的を達成
するもので、負極集電体と正極集電体の間に負極活物
質、電解質、正極活物質を配置した薄形電池において、
プリント基板上のプリント配線の少なくとも一部を集電
体とすること、該プリント配線を銅箔とし負極集電体と
すること、前記負極集電体の上に負極活物質、電解質、
正極活物質、正極集電体を配置し、正極集電体の少なく
とも一部がプリント基板上の他の配線用銅箔に接続され
ていること、前記正極集電体がプリント基板上の他の配
線用アルミニウム層からなること、前記銅箔または配線
用アルミニウム層の一部に大電流切断部としてのくびれ
部が設けられていること、前記負極集電体と前記正極集
電体上にそれぞれ活物質及び電解質を配置すること、プ
リント基板を折り曲げて該負極集電体と該正極集電体を
重ね合わせて周縁を接着することなどを特徴とし、これ
により上述の問題点を解決するものである。Means for Solving the Problems The present invention achieves the above object, and in a thin battery in which a negative electrode active material, an electrolyte and a positive electrode active material are arranged between a negative electrode current collector and a positive electrode current collector,
At least a part of the printed wiring on the printed circuit board is a current collector, the printed wiring is a copper foil and a negative electrode current collector, a negative electrode active material on the negative electrode current collector, an electrolyte,
A positive electrode active material and a positive electrode current collector are arranged, at least a part of the positive electrode current collector is connected to another wiring copper foil on the printed circuit board, and the positive electrode current collector is connected to another printed circuit board. It is composed of an aluminum layer for wiring, a constriction portion is provided as a large current cutting portion in a part of the copper foil or the aluminum layer for wiring, and each of the negative electrode current collector and the positive electrode current collector is activated. The present invention is characterized by arranging a substance and an electrolyte, bending a printed circuit board to overlap the negative electrode current collector and the positive electrode current collector, and adhering a peripheral edge thereof, thereby solving the above-mentioned problems. .
【０００６】[0006]
【作用】請求項１及び２によりプリント基板の負荷価値
を高め、機器への電池接続工程を無くし、且つ接続によ
る電圧降下をなくす。請求項５によりヒュ−ズの効果を
持たせ、異常時に電池を回路から切り離す。請求項３、
４及び６により薄形電池の生産を容易にし、実装を簡単
にする。According to the first and second aspects, the load value of the printed circuit board is increased, the step of connecting the battery to the device is eliminated, and the voltage drop due to the connection is eliminated. According to the fifth aspect, the fuse effect is provided, and the battery is disconnected from the circuit when an abnormality occurs. Claim 3,
4 and 6 facilitate the production of the thin battery and simplify the mounting.
【０００７】[0007]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１に本発明に係わるプリント基板の平面図を示
す。樹脂フィルムからなるプリント基板１上にプリント
配線用銅箔２を形成し、その一部を大きく形成して負極
集電体３とした。次にプリント基板１の一部にアルミニ
ウム蒸着を行い正極集電体４を形成した。なお該正極集
電体４は銅箔上にニッケルメッキまたはアルミニウムメ
ッキなどしても良い。またプリント配線は金属粉末（例
えば銅、ニッケル、アルミ、鉛系半田、カ−ボンな
ど）、バインダ−などの合剤をプリント基板上に印刷
し、熱処理されたものでも良い。正極集電体４の端部に
大電流切断部としてのくびれ部５を設けた。該くびれ部
５は配線用銅箔６の上にアルミニウムを重ねて蒸着する
だけでも良い。該配線用銅箔６は配線用銅箔７と切り離
されており、プリント基板上に電子回路部品が配置さ
れ、回路の導通試験で異常がないと判定された後に薄形
電池の正極回路の一部となる配線用銅箔６と配線用銅箔
７が結線される。なお負極集電体３の上面に負極活物質
８としてのリチウム（又はカ−ボン）を配置し、該負極
活物質の外周縁に接着剤を接着した。また正極集電体４
の上面に正極活物質９（例えばＭｎＯ2 にアセチレンブ
ラックなどの導電剤、フッ素樹脂のような結着剤を定量
混合した）を印刷、塗布、吹きつけなどで配置し硬化さ
せた後、さらに正極活物質の上面に電解質を印刷、塗
布、吹きつけなどで配置し硬化させて正極板を作製し
た。なおここで熱硬化、電子線硬化などについての詳細
な説明は省略した。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a plan view of a printed circuit board according to the present invention. A copper foil 2 for printed wiring was formed on a printed circuit board 1 made of a resin film, and a part of the copper foil 2 was formed to be large and used as a negative electrode collector 3. Next, aluminum was vapor-deposited on a part of the printed board 1 to form the positive electrode current collector 4. The positive electrode current collector 4 may be plated with nickel or aluminum on a copper foil. The printed wiring may be heat-treated by printing a mixture of metal powder (for example, copper, nickel, aluminum, lead-based solder, carbon, etc.) and binder on the printed circuit board. A constricted portion 5 as a large current cutting portion was provided at the end of the positive electrode current collector 4. The constricted portion 5 may be formed by stacking aluminum on the wiring copper foil 6 and depositing the aluminum. The wiring copper foil 6 is separated from the wiring copper foil 7, electronic circuit parts are arranged on a printed circuit board, and after a circuit continuity test determines that there is no abnormality, one of the positive electrode circuits of thin batteries is The copper foil 6 for wiring and the copper foil 7 for wiring, which serve as a part, are connected. Lithium (or carbon) as the negative electrode active material 8 was placed on the upper surface of the negative electrode current collector 3, and an adhesive was bonded to the outer peripheral edge of the negative electrode active material. In addition, the positive electrode current collector 4
After the positive electrode active material 9 (for example, MnO 2 is mixed with a conductive agent such as acetylene black and a binder such as a fluororesin in a fixed amount) on the upper surface of the substrate by printing, coating, spraying or the like and curing, the positive electrode is further formed. An electrolyte was placed on the upper surface of the active material by printing, coating, spraying or the like and cured to prepare a positive electrode plate. It should be noted that detailed description of heat curing, electron beam curing, and the like is omitted here.
【０００８】このように作製された負極集電体３と正極
集電体４の活物質面が密着するようにプリント基板を図
中点線の箇所で折り曲げて重ね合わせた後、接着剤によ
り負極集電体３と正極集電体４の周縁を封止した。この
ようにしてプリント基板上に薄形電池を形成した。The printed circuit boards are bent at the dotted line in the figure so that the active material surfaces of the negative electrode current collector 3 and the positive electrode current collector 4 thus produced are in close contact with each other, and the negative electrode current collector 3 is bonded with an adhesive. The periphery of the current collector 3 and the positive electrode current collector 4 was sealed. In this way, a thin battery was formed on the printed board.
【０００９】なお以上の説明において、実施例に記載し
なかったが負極集電体の上に負極活物質、電解質、正極
活物質及び正極集電体を順次積層していってもよい。ま
た電池の密封は正極及び負極集電体の間隙に流動性接着
剤を配置してもよく、プリント基板を接着性樹脂で形成
させておいてもよい。Although not described in the examples in the above description, the negative electrode active material, the electrolyte, the positive electrode active material and the positive electrode current collector may be sequentially laminated on the negative electrode current collector. To seal the battery, a fluid adhesive may be arranged in the gap between the positive electrode and the negative electrode current collector, or the printed board may be made of an adhesive resin.
【００１０】[0010]
【発明の効果】本発明は次に記載する効果を奏する。 （１）負荷価値を高める （２）電池接続による電圧ロスがない。 （３）電池の機器への実装が容易である。 （４）特別な電池配置容積を必要とせず、余剰容積を利
用できる。 （５）電池に異常があった場合に大電流切断部が溶断さ
れ安全である。 なお本発明においては実施例に示すものに限定されるも
のではなく、各集電体の厚み・形状、電池容量・厚さ、
端子の細部形状などについては特に限定するものではな
く、用途に応じて種種変更されるものである。The present invention has the following effects. (1) Increase load value (2) No voltage loss due to battery connection. (3) It is easy to mount the battery on the device. (4) The extra volume can be used without requiring a special battery arrangement volume. (5) It is safe because the large current disconnection part is blown out when the battery is abnormal. The present invention is not limited to those shown in the examples, but the thickness / shape of each current collector, the battery capacity / thickness,
The detailed shape of the terminal is not particularly limited, and may be changed according to the application.
【図１】本発明に係わる薄形電池を形成したプリント基
板の平面図である。FIG. 1 is a plan view of a printed circuit board on which a thin battery according to the present invention is formed.
１ プリント基板 ２、６、７ 配線用銅箔 ３ 負極集電体 ４ 正極集電体 ５ 大電流切断部 ８ 負極活物質 ９ 正極活物質 1 Printed Circuit Boards 2, 6 and 7 Copper Foil for Wiring 3 Negative Current Collector 4 Positive Electrode Current Collector 5 Large Current Cut Section 8 Negative Electrode Active Material 9 Positive Electrode Active Material
Claims (6)
質、電解質、正極活物質を配置した薄形電池において、
プリント基板上のプリント配線の少なくとも一部を集電
体とすることを特徴とする薄形電池。1. A thin battery in which a negative electrode active material, an electrolyte, and a positive electrode active material are arranged between a negative electrode current collector and a positive electrode current collector,
A thin battery, wherein at least a part of a printed wiring on a printed circuit board is used as a current collector.
が負極集電体であることを特徴とする請求項１記載の薄
形電池。2. The thin battery according to claim 1, wherein the printed wiring is a copper foil and the current collector is a negative electrode current collector.
質、正極活物質、正極集電体を配置し、正極集電体の少
なくとも一部がプリント基板上の他のプリント配線に接
続されていることを特徴とする請求項２記載の薄形電
池。3. A negative electrode active material, an electrolyte, a positive electrode active material, and a positive electrode current collector are arranged on the negative electrode current collector, and at least a part of the positive electrode current collector is connected to another printed wiring on a printed circuit board. The thin battery according to claim 2, wherein the thin battery is provided.
プリント配線からなることを特徴とする請求項３記載の
薄形電池。4. The thin battery according to claim 3, wherein the positive electrode current collector is composed of another printed wiring on a printed circuit board.
が設けられていることを特徴とする請求項１、２、３又
は４記載の薄形電池。5. The thin battery according to claim 1, wherein a large current cutting portion is provided in a part of the printed wiring.
れぞれ活物質及び電解質を配置すること、該負極集電体
と該正極集電体を重ね合わせて周縁を接着することを特
徴とする請求項３又は４記載の薄形電池。6. An active material and an electrolyte are arranged on the negative electrode current collector and the positive electrode current collector, respectively, and the negative electrode current collector and the positive electrode current collector are overlapped with each other to bond the periphery. The thin battery according to claim 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23284892A JP3159226B2 (en) | 1992-08-07 | 1992-08-07 | Thin battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23284892A JP3159226B2 (en) | 1992-08-07 | 1992-08-07 | Thin battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0660859A true JPH0660859A (en) | 1994-03-04 |
| JP3159226B2 JP3159226B2 (en) | 2001-04-23 |
Family
ID=16945758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23284892A Expired - Fee Related JP3159226B2 (en) | 1992-08-07 | 1992-08-07 | Thin battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3159226B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012077707A1 (en) * | 2010-12-08 | 2012-06-14 | 財団法人三重県産業支援センター | Method of manufacturing lithium rechargeable battery, method of manufacturing stacked battery, and method of manufacturing complex |
| JP2013537690A (en) * | 2010-08-04 | 2013-10-03 | フロント エッジ テクノロジー，インコーポレイテッド | Rechargeable battery with current limiter |
| CN112332042A (en) * | 2020-11-10 | 2021-02-05 | 深圳新源柔性科技有限公司 | Electronic device and method for manufacturing the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200487632Y1 (en) * | 2015-12-23 | 2018-10-15 | 주식회사 유아이케이 | Advertisement structure using led |
-
1992
- 1992-08-07 JP JP23284892A patent/JP3159226B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013537690A (en) * | 2010-08-04 | 2013-10-03 | フロント エッジ テクノロジー，インコーポレイテッド | Rechargeable battery with current limiter |
| WO2012077707A1 (en) * | 2010-12-08 | 2012-06-14 | 財団法人三重県産業支援センター | Method of manufacturing lithium rechargeable battery, method of manufacturing stacked battery, and method of manufacturing complex |
| CN102687333A (en) * | 2010-12-08 | 2012-09-19 | 财团法人三重县产业支援中心 | Method of manufacturing lithium rechargeable battery,method of manufacturing stacked battery,and method of manufacturing complex |
| KR101384073B1 (en) * | 2010-12-08 | 2014-04-09 | 공익재단법인 미에켄 산업지원 센터 | Method for manufacturing lithium secondary battery, method for manufacturing stacked battery, and method for manufacturing composite body |
| JP5554400B2 (en) * | 2010-12-08 | 2014-07-23 | 公益財団法人三重県産業支援センター | Method for producing lithium secondary battery and method for producing laminated battery |
| US9039789B2 (en) | 2010-12-08 | 2015-05-26 | Mie Industry And Enterprise Support Center | Method for manufacturing lithium secondary battery, method for manufacturing stacked battery, and method for manufacturing composite body |
| CN112332042A (en) * | 2020-11-10 | 2021-02-05 | 深圳新源柔性科技有限公司 | Electronic device and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3159226B2 (en) | 2001-04-23 |
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