JPH0724226B2 - Air button battery - Google Patents
Air button batteryInfo
- Publication number
- JPH0724226B2 JPH0724226B2 JP61044404A JP4440486A JPH0724226B2 JP H0724226 B2 JPH0724226 B2 JP H0724226B2 JP 61044404 A JP61044404 A JP 61044404A JP 4440486 A JP4440486 A JP 4440486A JP H0724226 B2 JPH0724226 B2 JP H0724226B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- positive electrode
- electrode case
- button battery
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hybrid Cells (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は空気ボタン電池に関する。FIELD OF THE INVENTION The present invention relates to air button batteries.
従来の技術 従来、空気ボタン電池を構成する場合、底部中央部に凹
部を有し、この凹部中に空気孔を開口した有底円筒状正
極ケースの前記凹部に、多孔質の空気拡散紙を載置し、
さらに正極ケース内径とほぼ同径の撥水膜を載置する。
次に、金属集電体と一体化した触媒物質を空気極として
載置する。2. Description of the Related Art Conventionally, when an air button battery is constructed, a porous air diffusion paper is placed in the recess of a bottomed cylindrical positive electrode case having a recess at the center of the bottom and air holes opened in the recess. Place
Further, a water repellent film having a diameter substantially the same as the inner diameter of the positive electrode case is placed.
Next, the catalyst substance integrated with the metal current collector is placed as an air electrode.
空気ボタン電池の正極ケースは大別して下記の２つの構
造がある。The positive electrode case of the air button battery is roughly classified into the following two structures.
（１）正極ケース外底部の凸部にドリル等で真直に空気
孔を開口したもの。(1) An air hole is opened straight on the convex portion on the outer bottom of the positive electrode case with a drill or the like.
（２）正極ケース外底部を内側に浅くくぼませ、このく
ぼみの中央部に空気孔をあけたもの。(2) The outer bottom of the positive electrode case is shallowly recessed inward, and an air hole is opened in the center of this recess.
発明が解決しようとする問題点 しかし（１）の方法による正極ケースを備えた空気ボタ
ン電池は、補聴器等の電子機器に挿入した場合、電子機
器のプラス端子の形状によっては、作動しない場合があ
る。Problems to be Solved by the Invention However, when the air button battery provided with the positive electrode case according to the method (1) is inserted into an electronic device such as a hearing aid, it may not operate depending on the shape of the positive terminal of the electronic device. .
つまり、プラス端子が空気孔を密封してしまう場合があ
り、大気中の酸素が電池内に供給されなくなり、電池が
作動しないことがあった。That is, the positive terminal may seal the air hole, oxygen in the atmosphere may not be supplied into the battery, and the battery may not operate.
（１）の方法の欠点を解決するための手段として考案さ
れた（２）の方法の正極ケースを使用して空気ボタン電
池を組み立てた場合、くぼみによる正極ケース内側への
張出しにより空気孔上に載置される空気拡散紙を電池内
部へ持ち上げ、電池放電時に空気孔から漏液する場合が
あり、空気極の支持も不安定となって充分な解決方法と
はならなかった。When an air button battery is assembled using the positive electrode case of the method (2) devised as a means for solving the drawbacks of the method (1), it is overlaid on the air hole by the protrusion to the inside of the positive electrode case due to the depression. The placed air diffusion paper was lifted inside the battery, and liquid might leak from the air holes when the battery was discharged, and the support of the air electrode was also unstable, which was not a sufficient solution.
本発明は、上記のような従来の問題点を解消し、接片端
子の形状にかかわらず、安定した酸素供給を可能にした
空気ボタン電池を提供することを目的とする。It is an object of the present invention to solve the above conventional problems and provide an air button battery that enables stable oxygen supply regardless of the shape of the contact piece terminal.
問題点を解決するための手段 本発明の空気ボタン電池は、底部に空気孔を開口した有
底円筒状の正極ケースを有し、前記正極ケースの内底部
は空気孔を除いて平坦であり、前記正極ケースの外底部
には空気孔と同心円のくぼみが設けられ、このくぼみは
直径1.0〜1.5mmの凹状とする構成である。Means for Solving the Problems The air button battery of the present invention has a bottomed cylindrical positive electrode case with an air hole at the bottom, and the inner bottom of the positive electrode case is flat except for the air hole, The outer bottom of the positive electrode case is provided with a hollow concentric with the air hole, and the hollow has a concave shape with a diameter of 1.0 to 1.5 mm.
作用 この構成によると、電子機器装填使用時に、機器のプラ
ス端子によって空気孔が塞がることもなく、正極ケース
の内底部は空気孔を除いて平坦であるから、電池の内容
物も良好な状態で存在し、空気孔からの漏液等の問題も
発生することがなく、また凹状であって直径が1.0〜1.5
mmのくぼみとすることにより、テープの密封不良を防ぐ
ことができるものである。Operation According to this configuration, when the electronic device is loaded and used, the positive hole of the device is not blocked by the positive terminal of the device, and the inner bottom of the positive electrode case is flat except the air hole, so that the battery contents are in good condition. There is no problem such as liquid leakage from the air holes, and it is concave and has a diameter of 1.0 to 1.5.
By making the depressions of mm, it is possible to prevent the tape from being poorly sealed.
実施例 以下、本発明の一実施例を図面に基づいて説明する。１
は負極ケース、２は封口リング、３は正極ケースで、外
径11.6mm、総高5.4mmで規格されているR44サイズの電池
用に作られている。Embodiment An embodiment of the present invention will be described below with reference to the drawings. 1
Is a negative electrode case, 2 is a sealing ring, and 3 is a positive electrode case, and is made for R44 size batteries that are standardized with an outer diameter of 11.6 mm and a total height of 5.4 mm.
正極ケース３はまずプレスによって、図のように空気孔
９が開孔する位置にその開孔径の約２〜３倍で深さ0.03
〜0.05mmの凹状のくぼみ12が形成される。R44サイズの
場合は、くぼみ12の内径は直径1.0〜1.5mmである。この
時、くぼみ12の対面、つまり正極ケース３の内底部は平
坦にしておくことが必要である。この加工は、一般的な
プレス加工で容易に達成できる。The positive electrode case 3 is first pressed by a press at a position where the air holes 9 are opened as shown in FIG.
A concave depression 12 of ~ 0.05 mm is formed. In the case of R44 size, the inner diameter of the recess 12 is 1.0 to 1.5 mm in diameter. At this time, it is necessary to make the facing surface of the recess 12, that is, the inner bottom portion of the positive electrode case 3 flat. This processing can be easily achieved by general press processing.
正極ケース３の空気孔周辺部の拡大断面図を第２図に示
す。あらかじめ成形した正極ケース３の凹状くぼみ12の
中心に、プレス加工で外径0.4〜0.6mmの空気孔９を開口
する。また正極ケース３の内底部側には凹状のくぼみ11
が形成されており、このくぼみは空気孔９と通じてい
る。なお、くぼみ11には空気拡散紙８が載置される。４
は空気極で、線径0.15mm、厚さ0.3mmで40メッシュのニ
ッケルスクリーンに、活性炭，アセチレンブラックを、
ポリテトラフルオロエチレンの結着剤とともに、厚さ0.
3〜0.35mmに成型されている。空気極４はその片面に、
多孔性のフッ素樹脂膜７を圧着し、次に金型で正極ケー
ス３に挿入できるように打ち抜かれる。打ち抜かれた空
気極４は、空気拡散紙８上に載置され、次にセパレータ
６を挿入して、正極ケース側が完成する。FIG. 2 shows an enlarged cross-sectional view of the air hole peripheral portion of the positive electrode case 3. An air hole 9 having an outer diameter of 0.4 to 0.6 mm is opened by pressing at the center of the concave recess 12 of the positive electrode case 3 which has been formed in advance. In addition, a concave recess 11 is formed on the inner bottom side of the positive electrode case 3.
Is formed, and this recess communicates with the air hole 9. The air diffusion paper 8 is placed in the recess 11. Four
Is an air electrode, wire mesh 0.15 mm, thickness 0.3 mm, 40 mesh nickel screen, activated carbon, acetylene black,
With a binder of polytetrafluoroethylene, a thickness of 0.
It is molded to 3 to 0.35 mm. Air electrode 4 is on one side,
The porous fluororesin film 7 is pressure-bonded and then punched so that it can be inserted into the positive electrode case 3 with a mold. The punched air electrode 4 is placed on the air diffusion paper 8, and then the separator 6 is inserted to complete the positive electrode case side.
１の負極ケースは、封口リング２と嵌着され、負極活物
質となる亜鉛粉５とアルカリ電解液が内部に充てんされ
ている。この負極ケース１と前記の正極ケース３を嵌合
して、正極ケース３の開口部を封口リング２を介して負
極ケース側に締め付けることによって、電池が完成す
る。10は密封用テープである。The negative electrode case No. 1 is fitted with the sealing ring 2, and the inside thereof is filled with zinc powder 5 serving as a negative electrode active material and an alkaline electrolyte. The battery is completed by fitting the negative electrode case 1 and the positive electrode case 3 and tightening the opening of the positive electrode case 3 to the negative electrode case side through the sealing ring 2. 10 is a sealing tape.
以上、前記した本発明の空気ボタン電池をＡ、また、空
気孔が単にケース底部の水平面に対して垂直に開口され
ている従来の電池をＢ、そして、その改良例である外底
面を浅くくぼませてここに空気孔をあけた電池をＣとし
たときの、補聴器のプラス端子が空気孔を密封する確率
と、使用後空気孔から漏液する確率を下表に示す。As described above, the air button battery of the present invention described above is A, the conventional battery in which the air holes are simply opened perpendicularly to the horizontal surface of the bottom of the case is B, and its improvement is a shallow recess on the outer bottom surface. The probability of the positive terminal of the hearing aid sealing the air hole and the probability of leaking from the air hole after use is shown in the table below, where C is a battery having an air hole.
この結果からＡの電池が空気孔の閉塞されない度合、漏
液を生じない度合で最もよいことが明らかである。 From this result, it is clear that the battery A is the best in the degree that the air holes are not blocked and the degree that the leakage does not occur.
発明の効果 本発明の構成による空気ボタン電池は、電子機器装填使
用時に、機器のプラス端子による酸素の供給障害を解決
できるとともに、正極ケースのプレス加工により空気孔
の開口した正極ケース内底部もほとんど変形することが
なく平坦であるため、電池内容物も良好な状態で存在
し、空気孔からの漏液等の問題も発生することもなく、
また密封用テープによって確実に密封されるため未使用
時の劣化を防ぐことができる、非常に良好な空気ボタン
電池を提供するものである。EFFECTS OF THE INVENTION The air button battery according to the configuration of the present invention can solve the oxygen supply failure due to the positive terminal of the device when the electronic device is loaded and used, and the bottom part of the positive electrode case in which air holes are opened by pressing the positive electrode case is almost Since it is flat without deformation, the battery contents also exist in a good state, and problems such as liquid leakage from air holes do not occur,
Further, the present invention provides a very good air button battery capable of preventing deterioration when not in use because it is surely sealed by the sealing tape.
第１図は本発明の空気ボタン電池の一実施例の断面図、
第２図は本発明による正極ケースの一実施例の拡大断面
図である。 １……負極ケース、２……封口リング、３……正極ケー
ス、４……空気極、５……負極亜鉛、６……セパレー
タ、７……空気極と圧着されたフッ素樹脂膜、８……空
気拡散紙、９……空気孔、10……密封用テープ、11……
正極ケース中央内底側に形成された凹状のくぼみ、12…
…正極ケース外底側の空気孔外周部に形成された凹状の
くぼみ。FIG. 1 is a sectional view of an embodiment of the air button battery of the present invention,
FIG. 2 is an enlarged sectional view of an embodiment of the positive electrode case according to the present invention. 1 ... Negative electrode case, 2 ... Sealing ring, 3 ... Positive electrode case, 4 ... Air electrode, 5 ... Negative electrode zinc, 6 ... Separator, 7 ... Fluororesin film pressure-bonded to air electrode, 8 ... … Air diffusion paper, 9 …… Air holes, 10 …… Sealing tape, 11 ……
Concave dent formed in the bottom of the center of the positive electrode case, 12 ...
... A concave recess formed on the outer periphery of the air hole on the outer bottom side of the positive electrode case.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 沢井 忠 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (56)参考文献 特開 昭54−50930（ＪＰ，Ａ) 実開 昭58−120565（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tadashi Sawai 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) Reference JP-A-54-50930 (JP, A) (JP, U)
Claims (1)
ケースを有し、前記正極ケースの内底部は空気孔を除い
て平坦であり、前記正極ケースの外底部には空気孔と同
心円のくぼみが設けられ、このくぼみは直径1.0〜1.5mm
の凹状であることを特徴とした空気ボタン電池。1. A bottomed cylindrical positive electrode case having an air hole opened at the bottom, the inner bottom of the positive electrode case is flat except for the air hole, and the outer bottom of the positive electrode case has an air hole. Concentric indentations are provided, which are 1.0-1.5 mm in diameter
Air button battery characterized by being concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61044404A JPH0724226B2 (en) | 1986-02-28 | 1986-02-28 | Air button battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61044404A JPH0724226B2 (en) | 1986-02-28 | 1986-02-28 | Air button battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62202470A JPS62202470A (en) | 1987-09-07 |
| JPH0724226B2 true JPH0724226B2 (en) | 1995-03-15 |
Family
ID=12690570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61044404A Expired - Lifetime JPH0724226B2 (en) | 1986-02-28 | 1986-02-28 | Air button battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724226B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040074A (en) * | 1995-05-05 | 2000-03-21 | Rayovac Corporation | Metal-air cathode can, and electrochemical cell made therewith |
| US5795667A (en) * | 1995-05-05 | 1998-08-18 | Rayovac Corporation | Metal-air cathode can, and electrochemical cell made therewith |
| US6436571B1 (en) | 1998-03-06 | 2002-08-20 | Rayovac Corporation | Bottom seals in air depolarized electrochemical cells |
| JP2017174795A (en) * | 2016-03-22 | 2017-09-28 | 日立マクセル株式会社 | Flat battery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118544A (en) * | 1977-09-28 | 1978-10-03 | P.R. Mallory & Co. Inc. | Metal-air depolarized cell having restricted gas passageway |
| JPS58120565U (en) * | 1982-02-10 | 1983-08-17 | 東芝電池株式会社 | Button air battery |
-
1986
- 1986-02-28 JP JP61044404A patent/JPH0724226B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62202470A (en) | 1987-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |