JP2001143770A - Air cell - Google Patents
Air cellInfo
- Publication number
- JP2001143770A JP2001143770A JP32645399A JP32645399A JP2001143770A JP 2001143770 A JP2001143770 A JP 2001143770A JP 32645399 A JP32645399 A JP 32645399A JP 32645399 A JP32645399 A JP 32645399A JP 2001143770 A JP2001143770 A JP 2001143770A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- catalyst layer
- separator
- electrode catalyst
- pva
- 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
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 39
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 39
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 239000005871 repellent Substances 0.000 claims abstract description 18
- 230000002940 repellent Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 239000011701 zinc Substances 0.000 description 11
- 229910052725 zinc Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- Y02E60/128—
Landscapes
- Hybrid Cells (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は補聴器等に用いられ
ている空気電池に係わる。The present invention relates to an air battery used for a hearing aid or the like.
【０００２】[0002]
【従来の技術】近年、空気電池の主要用途である補聴器
等において、電池交換の頻度を減少させることが望まれ
るようになり、空気電池の高容量化の要望がさらに高ま
っている。そのために負極活物質である亜鉛量を増加さ
せる試みや、亜鉛の放電利用率を向上させる試みがなさ
れている。例えば、電解液量を減少させてその分負極活
物質である亜鉛量を増加させたり、部品の薄肉化により
電池内容積を大きくして負極活物質量を増加させたりす
る試みがなされている。また、亜鉛利用率を向上させる
ために、セパレータの保液率を規制してセパレータに吸
収される電解液量を最小限に抑えたり、正極触媒層とセ
パレータとを貼り合わせるポリビニルアルコール（以下
ＰＶＡ）の塗布量を多くしてこの接着性を向上させたり
して、放電利用率を向上させる試み等がなされている。2. Description of the Related Art In recent years, it has been desired to reduce the frequency of battery replacement in hearing aids and the like, which are main applications of air batteries, and the demand for higher capacity air batteries has been further increased. For this purpose, attempts have been made to increase the amount of zinc, which is a negative electrode active material, and to improve the discharge utilization rate of zinc. For example, attempts have been made to decrease the amount of the electrolytic solution to increase the amount of zinc as the negative electrode active material, or to increase the volume of the negative electrode active material by increasing the internal volume of the battery by reducing the thickness of parts. In addition, in order to improve the zinc utilization rate, the liquid retention rate of the separator is regulated to minimize the amount of electrolytic solution absorbed by the separator, or polyvinyl alcohol (hereinafter, PVA) for bonding the positive electrode catalyst layer and the separator is used. Attempts have been made to improve the adhesiveness by increasing the coating amount of, and to improve the discharge utilization rate.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、これら
の方法には次のような問題点がある。すなわち、負極活
物質の亜鉛量を増加させ電解液量を減少させた場合、電
解液量の低下により亜鉛の放電利用率が低下するおそれ
があり、必ずしも高容量化が達成できるとはいえない。
また、部品を薄肉化することは部品強度の面で問題があ
り、自ずと限界がある。さらにセパレータの保液率を規
制することについては、ある程度放電利用率向上の効果
はあるが、これも限界がある。However, these methods have the following problems. That is, when the amount of zinc in the negative electrode active material is increased and the amount of the electrolytic solution is decreased, the discharge utilization rate of zinc may decrease due to the decrease in the amount of the electrolytic solution, and it cannot be said that a high capacity cannot always be achieved.
Also, thinning the parts has a problem in terms of the strength of the parts, and there is naturally a limit. Furthermore, regulating the liquid retention of the separator has an effect of improving the discharge utilization to some extent, but this also has a limit.
【０００４】一方、正極触媒層とセパレータとを貼り合
わせる際のＰＶＡ塗布量を多くする方法では、次のよう
な問題があった。すなわち、従来の工程では、正極触媒
層に撥水膜を圧着した後、その反対面にＰＶＡを塗布し
て乾燥させていたが、多量のＰＶＡを触媒層に塗布する
と、ＰＶＡの乾燥工程で気泡が多量に発生し、ＰＶＡの
塗布にムラが発生して均一に塗布できず、そのため正極
触媒層とセパレータの貼り付けが悪くなり、かえって亜
鉛の放電利用率が低下するという問題があった。On the other hand, the method of increasing the amount of PVA applied when bonding the positive electrode catalyst layer and the separator has the following problems. That is, in the conventional process, after the water-repellent film was pressed on the positive electrode catalyst layer, PVA was applied to the opposite surface and dried, but when a large amount of PVA was applied to the catalyst layer, air bubbles were generated in the PVA drying process. Is generated in a large amount, so that the application of PVA becomes uneven and cannot be applied uniformly. Therefore, there is a problem that the adhesion of the positive electrode catalyst layer and the separator is deteriorated and the discharge utilization rate of zinc is lowered.
【０００５】本発明はこのような問題に対処してなされ
たもので、空気電池において高容量化を達成することを
目的とするものであり、さらに詳しくは正極触媒層とセ
パレータの貼り付けを改良して高容量化を達成すること
を目的とするものである。The present invention has been made in view of the above problems, and has as its object to achieve high capacity in an air battery. More specifically, the present invention has improved the attachment of a cathode catalyst layer and a separator. The purpose of the present invention is to achieve high capacity.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
本発明者らが研究の結果、正極触媒層とセパレータの貼
り付け方法を改善し、さらに塗布するＰＶＡ量を適正化
することにより、亜鉛の放電利用率を向上させ、空気電
池の高容量化を達成し得ることがわかった。To achieve the above object, the present inventors have studied and found that the method of adhering the cathode catalyst layer and the separator was improved, and that the amount of PVA to be applied was optimized to improve the zinc content. It has been found that the discharge utilization of the battery can be improved and the capacity of the air battery can be increased.
【０００７】すなわち、本発明は、底面に空気孔を有す
る正極ケース内に、拡散紙、撥水膜、正極触媒層及びセ
パレータが順次配置され、負極ケースに収容された負極
活物質がセパレータに接して配置された空気電池におい
て、正極触媒層がＰＶＡを介してセパレータに接着され
ていて、ＰＶＡの塗布量が正極触媒層の単位面積当たり
５〜３０ｇ／ｍ2 であり、かつ正極触媒層はＰＶＡを塗
布した後にその反対面に撥水層を圧着したものであるこ
とを特徴とする。That is, in the present invention, a diffusion paper, a water-repellent film, a positive electrode catalyst layer, and a separator are sequentially arranged in a positive electrode case having an air hole on a bottom surface, and a negative electrode active material accommodated in a negative electrode case contacts the separator. The positive electrode catalyst layer is adhered to the separator via PVA, the applied amount of PVA is 5 to 30 g / m 2 per unit area of the positive electrode catalyst layer, and the positive electrode catalyst layer is PVA. Is applied and a water-repellent layer is pressure-bonded to the opposite surface.
【０００８】本発明では、ＰＶＡの塗布量を上記範囲と
したことによって、電池の内部抵抗の上昇を抑え、放電
利用率を向上させることができる。また、従来のＰＶＡ
の塗布方法は、前述したように正極触媒層に撥水膜を圧
着した後にその反対面にＰＶＡを塗布乾燥する方法であ
ったが、本発明では撥水膜を正極触媒層に圧着する前に
ＰＶＡを塗布し乾燥するので、乾燥時に発生した気泡は
正極触媒層の反対面側へも撥水膜に塞がれることなく蒸
散することができ、その結果従来のようにＰＶＡ層に気
泡が残存しない。したがって、正極触媒層とセパレータ
との接着が良好になり、亜鉛の放電利用率を高めること
ができる。In the present invention, by setting the applied amount of PVA within the above range, it is possible to suppress an increase in the internal resistance of the battery and to improve the discharge utilization rate. In addition, conventional PVA
Is a method of applying a water-repellent film to the positive electrode catalyst layer as described above, and then applying and drying PVA on the opposite surface. In the present invention, before applying the water-repellent film to the positive electrode catalyst layer, Since PVA is applied and dried, air bubbles generated during drying can evaporate to the opposite side of the positive electrode catalyst layer without being blocked by the water-repellent film. As a result, air bubbles remain in the PVA layer as in the conventional case. do not do. Therefore, the adhesion between the positive electrode catalyst layer and the separator is improved, and the discharge utilization rate of zinc can be increased.
【０００９】[0009]
【発明の実施の形態】図１は本実施例の空気亜鉛電池
（ＰＲ４４型）の断面図である。図１において、１は底
壁面に空気孔２を有し一端が開口型となっている正極ケ
ースである。この正極ケース１内には、その底壁面上に
拡散紙３、撥水膜４、金属集電体５を支持体として圧着
成形された正極触媒層６およびセパレータ７が順次積層
配置されており、正極触媒層６の下面には撥水層８が圧
着されている。これらが正極組立体９を形成している。FIG. 1 is a sectional view of a zinc-air battery (PR44 type) according to this embodiment. In FIG. 1, reference numeral 1 denotes a positive electrode case having an air hole 2 on a bottom wall surface and one end of which is an open type. In the positive electrode case 1, a diffusion paper 3, a water-repellent film 4, a positive electrode catalyst layer 6 and a separator 7 formed by pressure bonding with a metal current collector 5 as a support are sequentially laminated on the bottom wall surface thereof. A water-repellent layer 8 is pressed on the lower surface of the positive electrode catalyst layer 6. These form the positive electrode assembly 9.
【００１０】ここで、拡散紙３はクラフト紙からなり、
撥水膜４はポリテトラフロロエチレン（ＰＴＦＥ）から
なっている。また、正極触媒層６は、活性炭にマンガン
酸化物、黒鉛（導電性材料）およびＰＴＦＥ粉末を混合
し、シート状にしたものであり、セパレータ７はポリプ
ロピレン微多孔質膜からなっている。Here, the diffusion paper 3 is made of kraft paper,
The water-repellent film 4 is made of polytetrafluoroethylene (PTFE). The cathode catalyst layer 6 is a sheet obtained by mixing manganese oxide, graphite (conductive material) and PTFE powder with activated carbon, and the separator 7 is formed of a microporous polypropylene film.
【００１１】１０は正極組立体９のセパレータ７の上に
配置された負極ゲルで、３０質量％の水酸化カリウム水
溶液からなる電解液に、ポリアクリル酸（ゲル化剤）、
および亜鉛粉末もしくは亜鉛合金粉末を配合して調製し
たゲル状混合物である。また、１１は負極ケースで、負
極ゲル１０にその内壁面が電気的に接する一方、正極ケ
ース１の開口部を封止している。１２は負極ケース１１
および正極ケース１の被封止部間に介挿配置された絶縁
ガスケットで、１３は空気孔２を封止するため正極ケー
ス１の外壁面に貼付されたシーテープである。上記負極
ケース１１はニッケル、ステンレス鋼および銅の三層ク
ラッド製であり、絶縁ガスケット１２はポリアミド樹脂
系のものである。Reference numeral 10 denotes a negative electrode gel disposed on the separator 7 of the positive electrode assembly 9. The negative electrode gel is formed by adding polyacrylic acid (gelling agent) to an electrolyte comprising a 30% by mass aqueous solution of potassium hydroxide.
And a gel-like mixture prepared by mixing zinc powder or zinc alloy powder. Reference numeral 11 denotes a negative electrode case, which has an inner wall surface in electrical contact with the negative electrode gel 10 and seals an opening of the positive electrode case 1. 12 is a negative electrode case 11
And an insulating gasket interposed between the sealed portions of the positive electrode case 1, and a sealing tape 13 attached to the outer wall surface of the positive electrode case 1 to seal the air holes 2. The negative electrode case 11 is made of a three-layer clad of nickel, stainless steel and copper, and the insulating gasket 12 is made of a polyamide resin.
【００１２】（実施例１）上記の正極触媒層６、セパレ
ータ７および撥水層８を積層配置するに当たって、正極
触媒層６にＰＶＡを５ｇ／ｍ2 塗布し、乾燥した後、こ
れをセパレータ７に貼り付け、次にＰＶＡ塗布面と反対
側の正極触媒層面に撥水層８を圧着した。(Example 1) In stacking the positive electrode catalyst layer 6, the separator 7 and the water repellent layer 8, 5 g / m 2 of PVA was applied to the positive electrode catalyst layer 6, dried, and then dried. Then, a water-repellent layer 8 was pressure-bonded to the surface of the positive electrode catalyst layer opposite to the surface coated with PVA.
【００１３】（実施例２）ＰＶＡの塗布量を１５ｇ／ｍ
2 とした以外は実施例１と同様にした。 （実施例３）ＰＶＡの塗布量を３０ｇ／ｍ2 とした以外
は実施例１と同様にした。(Example 2) The coating amount of PVA was 15 g / m
Except that it was set to 2 , it was the same as Example 1. Example 3 The procedure was the same as Example 1 except that the amount of PVA applied was 30 g / m 2 .
【００１４】（比較例１）ＰＶＡの塗布量を３ｇ／ｍ2
とした以外は実施例１と同様にした。 （比較例２）ＰＶＡの塗布量を３５ｇ／ｍ2 とした以外
は実施例１と同様にした。Comparative Example 1 The amount of PVA applied was 3 g / m 2.
The procedure was the same as in Example 1 except for the above. (Comparative Example 2) The same procedure as in Example 1 was performed except that the amount of applied PVA was 35 g / m 2 .
【００１５】（比較例３）撥水層８を正極触媒層６に圧
着した後、正極触媒層６の反対面にＰＶＡを塗布・乾燥
し、これをセパレータ７に貼り付けた。ＰＶＡ塗布量は
５ｇ／ｍ2 であった。Comparative Example 3 After the water-repellent layer 8 was pressed against the positive electrode catalyst layer 6, PVA was applied to the opposite surface of the positive electrode catalyst layer 6, dried and attached to the separator 7. The PVA coating amount was 5 g / m 2 .
【００１６】（比較例４）撥水層８を正極触媒層６に圧
着した後、正極触媒層６の反対面にＰＶＡを塗布・乾燥
し、これをセパレータ７に貼り付けた。ＰＶＡ塗布量は
３０ｇ／ｍ2 であった。(Comparative Example 4) After the water-repellent layer 8 was pressed against the positive electrode catalyst layer 6, PVA was applied to the opposite surface of the positive electrode catalyst layer 6, dried and attached to the separator 7. The PVA coating amount was 30 g / m 2 .
【００１７】上記実施例１〜３および比較例１〜４の空
気電池を各５０個組立て、ＰＶＡ塗布乾燥時の気泡発生
状態を観察した。結果を表１に示す。○は気泡なし、△
はまばらに気泡が発生している、×は全面に気泡が発生
していることを示している。また、これらの電池につい
て、放電特性および内部抵抗の測定を行なった。これら
の結果も表１に示す。Fifty air cells of Examples 1 to 3 and Comparative Examples 1 to 4 were assembled, and the state of air bubbles generated during PVA coating and drying was observed. Table 1 shows the results. ○ means no air bubbles, △
X indicates that air bubbles are generated sparsely, and X indicates that air bubbles are generated over the entire surface. The discharge characteristics and internal resistance of these batteries were measured. These results are also shown in Table 1.
【００１８】[0018]
【表１】 [Table 1]
【００１９】表１において、実施例１〜３と比較例１〜
２とを比較すると、比較例１のようにＰＶＡ塗布量が少
なすぎるとセパレータの貼り付けが困難になり、内部抵
抗が高くなり亜鉛の放電利用率が低下して放電容量が少
なくなってしまう。逆に比較例２のようにＰＶＡ塗布量
が多すぎる場合は、ＰＶＡ自体が抵抗体となって電池の
内部抵抗が高くなり、また放電容量も若干ではあるが低
下する。In Table 1, Examples 1 to 3 and Comparative Examples 1 to
In comparison with Comparative Example 2, if the applied amount of PVA is too small as in Comparative Example 1, it becomes difficult to attach the separator, the internal resistance increases, the discharge utilization rate of zinc decreases, and the discharge capacity decreases. Conversely, when the applied amount of PVA is too large as in Comparative Example 2, the PVA itself becomes a resistor and the internal resistance of the battery is increased, and the discharge capacity is slightly reduced.
【００２０】さらに実施例１，３と比較例３，４とをそ
れぞれ比較すると、比較例３，４のように、ＰＶＡを従
来の方法で塗布した場合には、ＰＶＡ乾燥時に気泡が発
生してＰＶＡの塗布ムラが発生する。そのため内部抵抗
がそれぞれ実施例１，３と比べて高くなり、亜鉛放電利
用率も若干ではあるが低下してしまう。この傾向はＰＶ
Ａ塗布量が多くなるにしたがって激しくなる。Further, when Examples 1 and 3 are compared with Comparative Examples 3 and 4, when PVA is applied by a conventional method as in Comparative Examples 3 and 4, air bubbles are generated when the PVA is dried. PVA coating unevenness occurs. Therefore, the internal resistance is higher than those of Examples 1 and 3, respectively, and the zinc discharge utilization rate is slightly reduced. This trend is PV
A becomes more intense as the application amount of A increases.
【００２１】なお、上記の実施例はボタン形の空気亜鉛
電池について説明したが、本発明はこれに限定されるも
のではなく、ボタン形以外の空気電池、例えば円筒形空
気電池であってもよい。In the above embodiment, the button-type zinc-air battery has been described. However, the present invention is not limited to this, and an air-cell other than the button-type, such as a cylindrical air-cell, may be used. .
【００２２】[0022]
【発明の効果】以上説明したように、本発明によれば、
高容量化した空気電池を提供することができる。As described above, according to the present invention,
An air battery with a high capacity can be provided.
【図１】本発明の一実施例である空気電池の断面図。FIG. 1 is a sectional view of an air battery according to an embodiment of the present invention.
１…正極ケース、２…空気孔、３…拡散紙、４…撥水
膜、５…集電体、６…正極触媒層、７…セパレータ、８
…撥水層、９…正極組立体、１０…ゲル負極、１１負極
ケース…、１２…絶縁性ガスケット、１３…シールテー
プ。DESCRIPTION OF SYMBOLS 1 ... Positive electrode case, 2 ... Air hole, 3 ... Diffusion paper, 4 ... Water repellent film, 5 ... Current collector, 6 ... Positive catalyst layer, 7 ... Separator, 8
... water repellent layer, 9 ... positive electrode assembly, 10 ... gel negative electrode, 11 negative electrode case ..., 12 ... insulating gasket, 13 ... seal tape.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大橋 真智 東京都品川区南品川三丁目４番10号 東芝 電池株式会社内 (72)発明者 塚越 敦志 東京都品川区南品川三丁目４番10号 東芝 電池株式会社内 Ｆターム(参考） 5H032 AA02 AS03 BB04 BB05 EE04 EE15 HH00 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Machiko Ohashi 3-4-10 Minamishinagawa, Shinagawa-ku, Tokyo Toshiba Battery Corporation (72) Inventor Atsushi Tsukagoshi 3-4-1 Minamishinagawa, Shinagawa-ku, Tokyo F-term (reference) in Toshiba Battery Corporation 5H032 AA02 AS03 BB04 BB05 EE04 EE15 HH00
Claims (1)
拡散紙、撥水膜、正極触媒層及びセパレータが順次配置
され、負極ケースに収容された負極活物質がセパレータ
に接して配置された空気電池において、正極触媒層がポ
リビニルアルコールを介してセパレータに接着されてい
て、ポリビニルアルコールの塗布量が正極触媒層の単位
面積当たり５〜３０ｇ／ｍ2 であり、かつ正極触媒層は
ポリビニルアルコールを塗布した後にその反対面に撥水
層を圧着したものであることを特徴とする空気電池。In a positive electrode case having an air hole on a bottom surface,
In an air battery in which a diffusion paper, a water-repellent film, a positive electrode catalyst layer, and a separator are sequentially disposed, and a negative electrode active material contained in a negative electrode case is disposed in contact with the separator, the positive electrode catalyst layer adheres to the separator via polyvinyl alcohol. The coating amount of polyvinyl alcohol is 5 to 30 g / m 2 per unit area of the positive electrode catalyst layer, and the positive electrode catalyst layer is formed by applying polyvinyl alcohol and then pressing the water repellent layer on the opposite surface. An air battery characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32645399A JP4639372B2 (en) | 1999-11-17 | 1999-11-17 | Air battery manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32645399A JP4639372B2 (en) | 1999-11-17 | 1999-11-17 | Air battery manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001143770A true JP2001143770A (en) | 2001-05-25 |
| JP4639372B2 JP4639372B2 (en) | 2011-02-23 |
Family
ID=18187992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32645399A Expired - Fee Related JP4639372B2 (en) | 1999-11-17 | 1999-11-17 | Air battery manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4639372B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002067628A1 (en) * | 2001-02-17 | 2002-08-29 | Oticon A/S | Communication device for mounting on or in the ear |
| JPWO2022209009A1 (en) * | 2021-03-30 | 2022-10-06 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6276251A (en) * | 1985-09-30 | 1987-04-08 | Toshiba Corp | Air-cell |
| JPS62170174A (en) * | 1986-01-22 | 1987-07-27 | Matsushita Electric Ind Co Ltd | Button air battery |
| JPH10326631A (en) * | 1997-05-27 | 1998-12-08 | Matsushita Electric Ind Co Ltd | Manufacturing method of air battery cathode body |
-
1999
- 1999-11-17 JP JP32645399A patent/JP4639372B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6276251A (en) * | 1985-09-30 | 1987-04-08 | Toshiba Corp | Air-cell |
| JPS62170174A (en) * | 1986-01-22 | 1987-07-27 | Matsushita Electric Ind Co Ltd | Button air battery |
| JPH10326631A (en) * | 1997-05-27 | 1998-12-08 | Matsushita Electric Ind Co Ltd | Manufacturing method of air battery cathode body |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002067628A1 (en) * | 2001-02-17 | 2002-08-29 | Oticon A/S | Communication device for mounting on or in the ear |
| JPWO2022209009A1 (en) * | 2021-03-30 | 2022-10-06 | ||
| WO2022209009A1 (en) * | 2021-03-30 | 2022-10-06 | 日本碍子株式会社 | Air electrode/separator assembly and metal-air secondary battery |
| JP7577196B2 (en) | 2021-03-30 | 2024-11-01 | 日本碍子株式会社 | Air electrode/separator assembly and metal-air secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4639372B2 (en) | 2011-02-23 |
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