JPS608584B2 - battery - Google Patents
batteryInfo
- Publication number
- JPS608584B2 JPS608584B2 JP53165682A JP16568278A JPS608584B2 JP S608584 B2 JPS608584 B2 JP S608584B2 JP 53165682 A JP53165682 A JP 53165682A JP 16568278 A JP16568278 A JP 16568278A JP S608584 B2 JPS608584 B2 JP S608584B2
- Authority
- JP
- Japan
- Prior art keywords
- sealing
- molecular weight
- resin
- case
- average molecular
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 21
- 239000000565 sealant Substances 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 229920002554 vinyl polymer Polymers 0.000 claims description 8
- 150000005215 alkyl ethers Chemical class 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 7
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910001923 silver oxide Inorganic materials 0.000 description 3
- SZNYYWIUQFZLLT-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxy)propane Chemical compound CC(C)COCC(C)C SZNYYWIUQFZLLT-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 241000124033 Salix Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000108 silver(I,III) oxide Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/197—Sealing members characterised by the material having a layered structure
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
【発明の詳細な説明】
本発明は電池、とくにアルカリ電池における封□部分の
改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvements in the sealing part of batteries, particularly alkaline batteries.
従来より発電要素、すなわち腸陰極活物質、電解液、隔
離紙などを内填したケースの関口部を、封□パッキング
、封□板で閉塞し、ケースの関口先端部を内方に折曲し
て封口を行なったボタン型又は局平電池、例えば、リチ
ウム電池、ニッケル亜鉛電池、過酸化銀電池、ニカド電
池等は、昨今の半導体技術の進歩によりその需要を著し
く増大しつつある。Conventionally, the entrance of a case containing power generation elements, i.e., intestinal cathode active material, electrolyte, isolation paper, etc., is closed with sealing packing or a sealing board, and the end of the entrance of the case is bent inward. The demand for sealed button-type or square batteries, such as lithium batteries, nickel-zinc batteries, silver peroxide batteries, and nickel-cadmium batteries, is increasing significantly due to recent advances in semiconductor technology.
しかしこれらのボタン型電池の問題点は、長期保存時、
あるいは電池使用時のガス発生に起因した内圧上昇によ
り、封□パッキング「封□板、ケース間における微細な
間隙の発生があり、これ等の間隙が発生した場合には内
蔵電解液の電池端子面への漏出が起こる場合があった。
これを改善するため種々の改良が行なわれて来た。その
一例として、例えば、封□パッキングとケースとの間お
よび封□パッキングと封□板との間にシー化性のある間
隙充填剤を用いることが提案されたが、満足のいくもの
は見出せなかった。本発明はこの液密化のためのシール
剤について種々検討を行なった結果、ポリビニルアルキ
ルェーテル樹脂、ェポキシ樹脂及びフェノール樹脂の混
合組成物を用いることにより優れたシール効果を発薄で
きることを見出したものである。すなわち、ポリビニル
アルキルェーテル樹脂、例えばポリビニルメチルエーテ
ル「ポリビニルイソブチルエーテル樹脂は永久不鞍性で
適度な流動性を有し、かつ柔軟性も有し接合面に対して
極めて良好に密着する反面、耐薬品性において若干問題
点を有している。従ってこのポリビニルアルキルェーテ
ル樹脂に耐薬品性に優れたェポキシ樹脂を添加し、かつ
フェノール樹脂を添加することによりシール剤自身の粘
穂性と適当な硬度を付与することが可能となり、シール
剤としての必要条件、つまり、０；耐薬品性、耐水性、
耐候性に優れること、【２｝シ−ル部分に対し最大の作
用面積を確保するに必要な流動性、柔軟性、弾性を有し
ていること、職長期にわたって老化や固化を起こさなく
、シール性を発揮すること「等の諸条件を満足し得るシ
ール剤を提供できるものである。以下その一実施例につ
き「図面とともに説明する。図は本発明による酸化銀電
池の断面図であり「 この図において軍！ま有底筒状の
金属ケースでステンレス鋼もあるいは鋼材に耐食ニッケ
ルメッキを施したものより構成され、その内底部には陽
極合剤２が位置している。陽極合剤は酸化銀とアセチレ
ンブラックとを混合したものからなりふ これが円盤状
にケース内で加圧成形されている。３は陽極合剤２上に
配したセパレータで多孔性合成樹脂フィルム〜例えばポ
リ４フツ化エチレン〜ポリフツ化ビニリデン樹脂より構
成される。恥ま電解液舎浸材でコットン〜ビスコースレ
ーョン等の不織布あるいは織布より構成されている。歌
ま黍化亜鉛粉末よりなる陰極、６‘まケース１の関口部
を封□する金属封口板で陰極端子を兼ねている。孔ま合
成樹脂ｔ合成ゴムよりなる封□パッキングでト腸陰両極
間の絶縁および内蔵電解液の外部への漏出を防止してい
る。またその表面にはも下記の配合により構成されるシ
ール剤塗膜８を形成している。〔シール剤の組成〕
ポリビニルアルキルェ−テル樹脂
６６。However, the problem with these button batteries is that when stored for a long time,
Or, due to the increase in internal pressure caused by gas generation during battery use, minute gaps may occur between the sealing plate and the case. Leakage may occur.
Various improvements have been made to improve this problem. As an example, it has been proposed to use a gap filler with sealing properties between the sealing packing and the case and between the sealing packing and the sealing board, but no satisfactory solution has been found. Ta. As a result of various studies on sealants for liquid-tightness, the present invention has found that excellent sealing effects can be achieved by using a mixed composition of polyvinyl alkyl ether resin, epoxy resin, and phenol resin. It is something that In other words, polyvinyl alkyl ether resins, such as polyvinyl methyl ether and polyvinyl isobutyl ether resins, are permanently instable and have appropriate fluidity, and are also flexible and adhere extremely well to joint surfaces. There are some problems in chemical resistance.Therefore, by adding an epoxy resin with excellent chemical resistance to this polyvinyl alkyl ether resin and also adding a phenol resin, the viscosity of the sealant itself can be improved. It is now possible to impart appropriate hardness and meet the necessary conditions as a sealant: 0; chemical resistance, water resistance,
It has excellent weather resistance, [2] It has the necessary fluidity, flexibility, and elasticity to ensure the maximum area of action for the sealing part, and it does not deteriorate or harden over a long period of time, and the seal The present invention provides a sealant that satisfies various conditions such as "exhibiting properties".An example thereof will be explained below with reference to a drawing.The figure is a cross-sectional view of a silver oxide battery according to the present invention. In the figure, it is a bottomed cylindrical metal case made of stainless steel or steel with corrosion-resistant nickel plating, and an anode mixture 2 is located at the inner bottom.The anode mixture is oxidized. It is made of a mixture of silver and acetylene black and is pressure-molded into a disk shape inside a case. 3 is a separator placed on the anode mixture 2, which is a porous synthetic resin film, such as polytetrafluoroethylene. ~Constructed from polyvinylidene fluoride resin.Constructed from non-woven fabric or woven fabric such as cotton or viscose rayon, which is soaked in electrolyte material.Cathode made from powdered zinc powder, 6' A metal sealing plate that seals the entrance of case 1 also serves as a cathode terminal.The sealing and packing made of perforated synthetic resin and synthetic rubber provide insulation between the cathode and cathode and prevent leakage of the built-in electrolyte to the outside. A sealant coating film 8 composed of the following composition is also formed on its surface. [Composition of sealant] Polyvinyl alkyl ether resin 66.
７〜５亀重量％
（平均分子量フィケンチャーＫ値３５〜６０）ェポキシ
樹脂 ２６。7-5% by weight (average molecular weight Fikentscher K value 35-60) Epoxy resin 26.
７〜３母重量％（数平均分子量３００〜５００）フェノ
ール樹脂 ６７〜８重量％（数平均分子量
２００〜３００）なお、ポリビニルアルキルヱーテル樹
脂の分子量は、粘度を表わすフイケンチヤー（Ｆｉｋｅ
ｎｔｓｈｅｒ）Ｋ値で示した。7-3% by weight (number average molecular weight 300-500) Phenol resin 67-8% by weight (number average molecular weight 200-300)
ntsher) K value.
高分子物質の分子量の測定法の一つにフィケンチャ−の
粘度式がある。すなわちＬ高分子物質の分子量と（濃度
）と粘度との間には直線的な関係があり、フイケンチャ
−Ｋ値はフィケンチャ〜が示した次の実験式の定数項Ｋ
の値をいい「 この値をもっても従来より高分子物質の
分子量表示としている。ｂ＆。One of the methods for measuring the molecular weight of polymeric substances is the Fikentscher viscosity equation. In other words, there is a linear relationship between the molecular weight (concentration) and viscosity of the L-polymer substance, and the Fikentscher K value is the constant term K in the following empirical formula shown by Fikentscher.
This value is also used to indicate the molecular weight of polymeric substances.b&.
刀＝〈古里；十Ｋ）Ｃここでりは相対粘度、Ｃは濃度（
多ノｃｃ）を示す。Katana=〈Kori; 10K) C here is the relative viscosity, C is the concentration (
Tano cc) is shown.
またェポキシ樹脂とフェノール樹脂については数平均分
子量で示しも数平均分子量は沸点法によって求めた分子
量である。Epoxy resins and phenol resins are expressed in number average molecular weight, but the number average molecular weight is the molecular weight determined by the boiling point method.
上述の如き量で各樹脂を配合することにより、相溶性が
あって適度な粘性を有した塗布性の優れたシール剤にで
き、ポリビニルアルキルェーテル樹脂の弾性を損なうこ
となく〜生成被膜の耐薬品性および封口構成時における
シール剤塗膜の流動による電池封口部分よりの飛出し〜
ズレ等を阻止でき、シール剤塗膜の効果を十分発揮でき
る。By blending each resin in the above-mentioned amounts, it is possible to create a sealant that is compatible, has appropriate viscosity, and has excellent applicability, without impairing the elasticity of the polyvinyl alkyl ether resin. Chemical resistance and protrusion from the battery sealing part due to flow of sealant coating during sealing configuration ~
It can prevent misalignment, etc., and the effect of the sealant coating can be fully demonstrated.
またこのシール剤を塗布する方法としてはＬ封□パッキ
ングをシール剤中に浸債するか〜あるいは封□板外周部
、ケース内面等の塗布する個所に入り込む筆トハケ等を
定量注入器に組み込んだものを使用して塗布しても良い
。また量産性を考慮した場合には、封□パッキングの浸
債が好ましい。またトこの配合組成をもった混合物は「
１６０〜２００００に加熱することにより〜かなり低
粘度のものとなり〜前述のような浸債法を用いることに
より極めて量産性に富み、かつ各々の樹脂が均一に相溶
することになって「形成された塗膜もその効果をさらに
増すこととなる。このようにして得られた封□パッキン
グに封口板を競合させてケースの開口を閉塞し、ケース
の閉口先端部を内方に折り曲げて電池を構成する。In addition, the method for applying this sealant is to immerse the L seal packing into the sealant, or to incorporate a brush or the like into the metering syringe that can penetrate into the areas to be applied, such as the outer periphery of the seal plate and the inner surface of the case. It may also be applied using a material. In addition, when mass production is considered, it is preferable to use sealed packing. Also, a mixture with this composition is “
By heating to 160 to 20,000 viscosity, the viscosity becomes considerably low. By using the above-mentioned bonding method, it is extremely easy to mass produce, and each resin is uniformly dissolved, resulting in a "formed" The coating film obtained in this way will further increase the effect.A sealing plate is placed against the thus obtained sealing packing to close the opening of the case, and the closed end of the case is bent inward to close the battery. Configure.
次に本発明により構成した封□体を用いて〜直径７．９
松高さ１．５柳の酸化銀電池を構成し、温度４５±５℃
も相対湿度８０〜８６％の雰囲気中に保存して糠液発生
率を比較したところ「本発明のものは「シール剤のない
従来のものに比して１２ケ月経過時において漏液発生率
が７０〜８０％低下することが判明した。以上のように
本発明のものは漏液防止に極めて有効である。Next, using the enclosure constructed according to the present invention, ~7.9 in diameter
Constructs a silver oxide battery of pine height 1.5 willow, temperature 45±5℃
When the rice bran was stored in an atmosphere with a relative humidity of 80 to 86% and the rate of occurrence of bran liquid was compared, it was found that the product of the present invention had a lower rate of leakage after 12 months than the conventional product without a sealant. It was found that the liquid leakage was reduced by 70 to 80%.As described above, the present invention is extremely effective in preventing liquid leakage.
図は本発明の一実施例における酸化銀電池の半裁側断面
図である。
１……ケース、２……陽極合剤、３……セパレ−夕、５
……陰極、６……封□板、７……封○パッキング、函…
…シール剤。The figure is a half-cut side sectional view of a silver oxide battery in one embodiment of the present invention. 1...Case, 2...Anode mixture, 3...Separator, 5
...Cathode, 6...Seal □ board, 7...Seal ○ packing, box...
...Sealing agent.
Claims (1)
グ及び封口板を位置させケースの開口先端部を内方に折
曲して封口した電池であって、前記封口パツキング表面
又はパツキングに接するケース内面と封口板周縁部にポ
リビニルアルキルエーテル樹脂、エポキシ樹脂及びフエ
ノール樹脂からなるシール剤を塗布したことを特徴とす
る電池。 ２ 前記シール剤が、平均分子量がフイケンチヤ−Ｋ値
で３５〜６０のポリビニルアルキルエーテル樹脂と、数
平均分子量３００〜５００のエポキシ樹脂と、数平均分
子量２００〜３００のフエノール樹脂を重量％で６６．
７〜５６：２６．７〜３６：６．７〜８に配合した混合
組成物である特許請求の範囲第１項記載の電池。[Scope of Claims] 1. A battery in which a sealing packing and a sealing plate are placed in the opening of a case containing a power generating element, and the opening end of the case is bent inward to seal the opening, wherein the sealing packing surface Alternatively, a battery characterized in that a sealant made of polyvinyl alkyl ether resin, epoxy resin, and phenol resin is applied to the inner surface of the case and the peripheral edge of the sealing plate that are in contact with the packing. 2. The sealant contains a polyvinyl alkyl ether resin having an average molecular weight of 35 to 60 in terms of Fekencher K value, an epoxy resin having a number average molecular weight of 300 to 500, and a phenol resin having a number average molecular weight of 200 to 300 in weight percent of 66.
7-56: 26.7-36: 6.7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53165682A JPS608584B2 (en) | 1978-12-29 | 1978-12-29 | battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53165682A JPS608584B2 (en) | 1978-12-29 | 1978-12-29 | battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5591563A JPS5591563A (en) | 1980-07-11 |
| JPS608584B2 true JPS608584B2 (en) | 1985-03-04 |
Family
ID=15817029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53165682A Expired JPS608584B2 (en) | 1978-12-29 | 1978-12-29 | battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS608584B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57158948A (en) * | 1981-03-25 | 1982-09-30 | Fuji Elelctrochem Co Ltd | Nonaqueous electrolyte battery |
| WO2025197889A1 (en) * | 2024-03-22 | 2025-09-25 | マクセル株式会社 | Button-type battery |
| WO2025197890A1 (en) * | 2024-03-22 | 2025-09-25 | マクセル株式会社 | Button-shaped battery |
| WO2025197891A1 (en) * | 2024-03-22 | 2025-09-25 | マクセル株式会社 | Button-type battery and method for manufacturing same |
-
1978
- 1978-12-29 JP JP53165682A patent/JPS608584B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5591563A (en) | 1980-07-11 |
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