JPH02139849A - Cylindrical alkaline cell - Google Patents
Cylindrical alkaline cellInfo
- Publication number
- JPH02139849A JPH02139849A JP63292818A JP29281888A JPH02139849A JP H02139849 A JPH02139849 A JP H02139849A JP 63292818 A JP63292818 A JP 63292818A JP 29281888 A JP29281888 A JP 29281888A JP H02139849 A JPH02139849 A JP H02139849A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- sealing
- resin insulator
- outer peripheral
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims description 39
- 239000011347 resin Substances 0.000 claims description 39
- 230000002093 peripheral effect Effects 0.000 claims description 37
- 239000012212 insulator Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 15
- 239000008151 electrolyte solution Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 abstract 4
- 239000000126 substance Substances 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000007773 negative electrode material Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 239000005022 packaging material Substances 0.000 description 5
- 229920002302 Nylon 6,6 Polymers 0.000 description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920000571 Nylon 11 Polymers 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- 230000020169 heat generation Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011787 zinc oxide 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
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/154—Lid or cover comprising an axial bore for receiving a central current collector
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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)
- Primary Cells (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、外周面をシュリンクラベルまたはシュリンク
チューブなどの熱収縮性外装材で外装した筒形アルカリ
電池に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cylindrical alkaline battery whose outer peripheral surface is covered with a heat-shrinkable covering material such as a shrink label or a shrink tube.
最近、筒形アルカリ電池においては、電気容量の増大を
はかるため、発電要素をより多く充填できるように、正
極缶の直径を大きくし、外装材として従来のような金属
製外装缶を用いずに、金属蒸着層を有するシュリンクラ
ベルやシュリンクチューブなどの厚みの薄い熱収縮性外
装材を用いて正極缶の外周面を外装したものが普及する
ようになってきた（例えば、実開昭６２−１６８５６１
号公報）。Recently, in order to increase the electric capacity of cylindrical alkaline batteries, the diameter of the positive electrode can has been increased so that more power generation elements can be filled, and the conventional metal outer can is not used as the outer packaging material. , it has become popular to use a thin heat-shrinkable packaging material such as a shrink label or shrink tube with a metal vapor-deposited layer on the outer surface of the positive electrode can (for example, Utility Model Application No. 62-168561).
Publication No.).
このような筒形アルカリ電池の一般的構造は、第４図に
示すとおりであり、正極缶（１）は有底円筒状をしてい
て、この正極缶（１）の内部には正極合剤（２）、セパ
レータ（３）、負極剤（４）、電解液などの発電要素が
収容され、該正極缶（１）の開口部は電気絶縁性の封口
体（５）と該封口体（５）の透孔（５ａ）に挿入した負
極集電体（６）とで封口され、正極缶（１）の外周面は
、シュリンクラベル、シュリンクチューブなどの熱収縮
性外装材（１０）で外装されている。The general structure of such a cylindrical alkaline battery is as shown in Figure 4, and the positive electrode can (1) has a cylindrical shape with a bottom, and the positive electrode mixture is inside (2), a separator (3), a negative electrode material (4), electrolyte, and other power generating elements are accommodated, and the opening of the positive electrode can (1) is connected to an electrically insulating sealing body (5). ) is sealed with the negative electrode current collector (6) inserted into the through hole (5a) of the positive electrode can (1), and the outer peripheral surface of the positive electrode can (1) is covered with a heat-shrinkable exterior material (10) such as a shrink label or shrink tube. ing.
そして、熱収縮性外装材００）による正極缶（１）の外
周面の外装にあたって、熱収縮性外装材０ωとしてシュ
リンクラベルを用いる場合は、シュリンクラベルをその
裏面に塗布した感圧接着剤により正極缶（１）の外周面
に接着し、加熱して熱収縮させ、また、熱収縮性外装材
０ωとしてシュリンクチューブを用いる場合には、円筒
状のシュリンクチューブ内に電池を挿入し、加熱してシ
ュリンクチューブを熱収縮させて、正極缶（１）の外周
面を外装してい〔発明が解決しようとする課題〕
しかしながら、上記電池では、輸送中や保管中に電池に
かかる温度や電池周囲の湿度、あるいは電池への直射日
光の照射などにより、シュリンクラベルの感圧接着剤の
接着強度が低下して、シュリンクラベルが端部から剥が
れたり、シュリンクチューブがさらに収縮して、シュリ
ンクチューブに過度の引張応力がかかり、正極缶（］）
の開口端付近のシュリンクチューブが破れやすい状態に
なる。When a shrink label is used as the heat-shrinkable sheathing material 0ω to cover the outer circumferential surface of the positive electrode can (1) with the heat-shrinkable sheathing material 00), the positive electrode It is adhered to the outer circumferential surface of the can (1) and heat-shrinked, and when a shrink tube is used as the heat-shrinkable exterior material 0ω, a battery is inserted into the cylindrical shrink tube and heated. The shrink tube is heat-shrinked to cover the outer peripheral surface of the positive electrode can (1) [Problem to be solved by the invention]. , or exposing the battery to direct sunlight may reduce the adhesive strength of the pressure-sensitive adhesive on the shrink label, causing the shrink label to peel off from the edges, or the shrink tube to shrink further, causing excessive tension on the shrink tube. Under stress, the positive electrode can (])
The shrink tube near the open end is prone to tearing.
そのため、この電池を電池使用機器の電池ホルダーに出
し入れする際に、電池ホルダーの接続端子との接触によ
り、シュリンクラベルやシュリンクチューブなどの熱収
縮性外装材００が剥がれたり、破れたりすることがある
。特に、正極缶（１）の開口端は負極端子板（８）に近
接しているので、正極缶（１）の開口端を覆っている熱
収縮性外装材０ωが剥がれたり、破れたりすると、正極
缶（１）の開口端が電池ホルダーの負極側の接続端子に
接触して、外部短絡が生じ、電池寿命が短くなったり、
極端な場合には、電解液の漏出や電池の発熱を引き起こ
して、電池ホルダーを損傷させるという問題があった。Therefore, when this battery is inserted into or removed from the battery holder of a battery-using device, the heat-shrinkable exterior material 00 such as a shrink label or shrink tube may be peeled off or torn due to contact with the connection terminal of the battery holder. . In particular, since the open end of the positive electrode can (1) is close to the negative terminal plate (8), if the heat-shrinkable exterior material 0ω covering the open end of the positive electrode can (1) is peeled off or torn, The open end of the positive electrode can (1) may come into contact with the negative electrode side connection terminal of the battery holder, causing an external short circuit and shortening the battery life.
In extreme cases, there is a problem in that the electrolyte leaks and the battery generates heat, damaging the battery holder.
本発明は、上記のようにシュリンクラベルやシュリンク
チューブなどの熱収縮性外装材０■で外装した筒形アル
カリ電池が、外装の信頼性に欠け、それら熱収縮性外装
材００）の剥がれや破損により外部短絡を引き起こして
いたという問題点を解決し、そのような信頼性に欠ける
熱収縮性外装材Ｏｍで外装した場合でも、外部短絡が生
じない筒形アルカリ電池を提供することを目的とする。The present invention is directed to a cylindrical alkaline battery that is packaged with heat-shrinkable packaging materials such as shrink labels and shrink tubes, as described above, which lacks reliability in the packaging, and which causes peeling and damage of the heat-shrinkable packaging materials. The purpose of the present invention is to solve the problem of external short circuits caused by cylindrical batteries, and to provide a cylindrical alkaline battery that does not cause external short circuits even when packaged with such unreliable heat-shrinkable exterior material Om. .
（課題を解決するための手段〕
上記課題を解決するための手段を本発明の実施例に対応
する第１〜２図を用いて説明すると、本発明は、正極缶
（１）の封口体（５）の外周縁部（５Ｃ）と接触して封
口にかかわる封口部（１Ａ）の外径を正極合剤（２）と
接触する集電部（１Ｂ）の外径より小さくし、該正極缶
（１）の封口部（１＾）の外周面に樹脂製ｗＡ縁体（９
）を装着して、正極缶（１）の封口部（１Ａ）の外周面
を樹脂製絶縁体（９）で覆い、かつ樹脂製絶縁体（９）
の外径を正極缶（１）の集電部（１Ｂ）の外径と同一寸
法にし、正極缶（］）の集電部（ｉＢ）の外周面と樹脂
製絶縁体（９）の外周面とをシュリンクラベル、シュリ
ンクチューブなどの熱収縮性外装材θωで外装したもの
である。(Means for Solving the Problems) The means for solving the above problems will be explained using FIGS. 1 and 2 corresponding to the embodiments of the present invention. The outer diameter of the sealing part (1A) that contacts the outer peripheral edge part (5C) of 5) and is involved in the sealing is made smaller than the outer diameter of the current collector part (1B) that contacts the positive electrode mixture (2), and the positive electrode can (1) A resin wA edge (9
), the outer peripheral surface of the sealing part (1A) of the positive electrode can (1) is covered with a resin insulator (9), and the resin insulator (9)
The outer diameter of the current collector (1B) of the positive electrode can (1) is the same as the outer diameter of the current collector (1B) of the positive electrode can (]) and the outer peripheral surface of the resin insulator (9). and is packaged with a heat-shrinkable packaging material θω such as a shrink label or shrink tube.
すなわち、上記構成の電池では、正極缶（１）の開口端
上のシュリンクラベルやシュリンクチューブなどの熱収
縮性外装材００）が剥がれたり、破れたりしても、正極
缶（１）の封口部（ｌ＾）の外周面に装着した樹脂製絶
縁体（９）が該封口部（１＾）の先端に当たる正極缶（
１）の開口端を覆って電気絶縁性を確保しているので、
電池使用機器の電池ホルダーの接続端子による負極端子
板（８）と正極缶（１）との外部短絡が住しない。In other words, in the battery configured as described above, even if the heat-shrinkable exterior material 00) such as a shrink label or shrink tube on the open end of the positive electrode can (1) is peeled off or torn, the sealing part of the positive electrode can (1) remains intact. The resin insulator (9) attached to the outer peripheral surface of the positive electrode can (l^) is in contact with the tip of the sealing part (1^).
Since it covers the open end of 1) to ensure electrical insulation,
No external short circuit between the negative terminal plate (8) and the positive electrode can (1) caused by the connection terminal of the battery holder of the battery-using device.
（実施例〕 つぎに本発明の実施例を図面を参照して説明する。(Example〕 Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明の筒形アルカリ電池の一実施例を示す断
面図であり、第２図は第１図に示す電池の要部拡大断面
図である。FIG. 1 is a cross-sectional view showing one embodiment of a cylindrical alkaline battery of the present invention, and FIG. 2 is an enlarged cross-sectional view of a main part of the battery shown in FIG. 1.
図中、（１）は正極缶であり、この正極缶（１）は鉄製
で表面にニッケルメッキが施されており、この正極缶（
１）の内部には、正極合剤（２）、セパレータ（３）、
負極剤（４）、電解液などの発電要素が収容され、正極
缶（１）の開口部はナイロン６６などの合成樹脂で作製
された電気絶縁性の封口体（５）と該封口体（５）の透
孔（５ａ）に挿入した黄銅型の負＠集電体（６）とで封
口されている。In the figure, (1) is a positive electrode can, and this positive electrode can (1) is made of iron and has a nickel plated surface.
1) contains a positive electrode mixture (2), a separator (3),
Power generation elements such as a negative electrode agent (4) and an electrolyte are accommodated, and the opening of the positive electrode can (1) is surrounded by an electrically insulating sealing body (5) made of synthetic resin such as nylon 66 and the sealing body (5). ) is sealed with a brass-type negative current collector (6) inserted into the through hole (5a).
正極合剤（２）は、正極活物質の二酸化マンガンと導電
助剤としてのりん状黒鉛とを主体とする混合物を加圧成
形したもので、リング状をしていて、その内周側にビニ
ロンを主材とする不織布でコツプ状に成形されたセパレ
ータ（３）が配置され、該セパレータ（３）の内周側の
中空部には負極剤（４）が充填されている。正極合剤（
２）の外周面は正極缶（１）の内周面に接触し、その結
果、正極缶（１）は正極集電体としての機能も有してい
る。このように、上記正極缶（１）の正極合剤（２）と
接触する部分が集電作用をするので、この正極缶（１）
の正極合剤（２）と接触する部分を正極缶（１）の集電
部（１Ｂ）という。The positive electrode mixture (2) is made by pressure-molding a mixture mainly consisting of manganese dioxide as a positive electrode active material and phosphorous graphite as a conductive agent. A separator (3) formed into a pot shape from a nonwoven fabric mainly composed of is disposed, and a hollow part on the inner peripheral side of the separator (3) is filled with a negative electrode material (4). Positive electrode mixture (
The outer peripheral surface of 2) contacts the inner peripheral surface of the positive electrode can (1), and as a result, the positive electrode can (1) also has a function as a positive electrode current collector. In this way, since the portion of the positive electrode can (1) that comes into contact with the positive electrode mixture (2) acts as a current collector, the positive electrode can (1)
The part that comes into contact with the positive electrode mixture (2) is called the current collecting part (1B) of the positive electrode can (1).
電解液は水酸化カリウムの高濃度水溶液からなるアルカ
リ電解液であって、この電解液には亜鉛の自己腐食を防
止するための酸化亜鉛が溶解されている。負極剤（４）
はこの電解液に氷化亜鉛粉末とゲル化剤としてのポリア
クリル酸ソーダとを混合したもので、電解液はこのよう
に負極剤（４）中に含まれているとともに、一部が前記
セパレータ（３）と正極合剤（２）に含浸した状態で正
極缶（１）内に収容されている。The electrolytic solution is an alkaline electrolytic solution consisting of a highly concentrated aqueous solution of potassium hydroxide, and zinc oxide is dissolved in this electrolytic solution to prevent self-corrosion of zinc. Negative electrode material (4)
is a mixture of this electrolytic solution with frozen zinc powder and sodium polyacrylate as a gelling agent, and the electrolytic solution is thus contained in the negative electrode material (4), and a part of it is contained in the separator. (3) and the positive electrode mixture (2) are impregnated in the positive electrode can (1).
正極缶（１）の開口部は、封口体（５）と該封口体（５
）の透孔（５ａ）に挿入した負極集電体（６）とで封口
されているが、この正極缶（１）の開口部の封口にあた
っては、まず、正極缶（すの内部に正極合剤（２）、セ
パレータ（３）、負極剤（４）、電解液などを収容し、
それらの収容後、正極缶（１）の開口端近傍に電池内部
側に底部を有する環状の凹溝（１ａ）を設け、この正極
缶（１）の開口部に、透孔（５ａ）に負極集電体（６）
を挿入し、厚肉部（５ｂ）と外周縁部（５Ｇ）との間に
鉄製の環状支持体（７）を装着した封口体（５）を挿入
し、封口体（５）の外周縁部（５ｃ）の下部を前記凹溝
（１ａ）で支え、正極缶（１）の封口体（５）周囲の部
分、つまり正極缶（１）の凹溝（１ａ）から先の部分を
、その先端部がほぼ水平に折れ曲がるようにして、内方
に締め付け、その内周面を封口体（５）の外周縁部（５
ｃ）の外周面に圧接させることにより、正極缶（１）の
開口部の封口が行われている。The opening of the positive electrode can (1) has a sealing body (5) and a sealing body (5).
) is sealed with the negative electrode current collector (6) inserted into the through hole (5a) of the positive electrode can. agent (2), separator (3), negative electrode agent (4), electrolyte, etc.
After housing them, an annular groove (1a) having a bottom inside the battery is provided near the open end of the positive electrode can (1), and the negative electrode is inserted into the through hole (5a) in the opening of the positive electrode can (1). Current collector (6)
Insert the sealing body (5) equipped with the iron annular support (7) between the thick part (5b) and the outer peripheral edge (5G), and (5c) is supported by the groove (1a), and the part around the sealing body (5) of the positive electrode can (1), that is, the part beyond the groove (1a) of the positive electrode can (1), is supported by the tip of the positive electrode can (1). The inner circumferential surface is bent inward so that the outer circumferential edge (5) of the sealing body (5) is bent almost horizontally.
The opening of the positive electrode can (1) is sealed by pressing it against the outer circumferential surface of the positive electrode can (1).
この封口後の正極缶（１）の凹溝（１ａ）から先の部分
、つまり封口体（５）の外周縁部（５ｃ）と接触して正
極缶（１）の開口部の封口にかかわる部分を正極缶（１
）の封口部（１Ａ）といい、本発明においては、この封
口部（ｌ＾）の外径を前記集電部（１Ｂ）の外径より０
．２〜０．６１程度小さくする。このように、正極缶（
１）の封口部（１Ａ）の外径が集電部（１Ｂ）の外径よ
り小さい状態で正極缶（１）の開口部の封口ができるよ
うに、封口体（５）や環状支持体（７）の寸法を従来よ
り０．２〜０．６ｍｌ１１程度小さめに設定する。After this sealing, the part of the positive electrode can (1) beyond the groove (1a), that is, the part that comes into contact with the outer peripheral edge (5c) of the sealing body (5) and is involved in sealing the opening of the positive electrode can (1). The positive electrode can (1
) is referred to as a sealing part (1A), and in the present invention, the outer diameter of this sealing part (l^) is set to 0 from the outer diameter of the current collecting part (1B).
．． Reduce it by about 2 to 0.61. In this way, the positive electrode can (
The sealing body (5) and the annular support ( The size of 7) is set to be about 0.2 to 0.6 ml11 smaller than the conventional one.
負極端子板（８）は、鉄製で表面にニッケルメッキを施
したものであり、キャップ状をしていて、正極缶（１）
の封口に先立って、その中央部を負極集電体（６）の頭
部に溶接しており、その周縁鍔部が封口体（５）の外周
縁部（５ｃ）の上部と環状支持体（７）の外周縁部とで
固定されている。The negative electrode terminal plate (8) is made of iron and has a nickel-plated surface, has a cap shape, and is connected to the positive electrode can (1).
Prior to sealing, its central part is welded to the head of the negative electrode current collector (6), and its peripheral flange is connected to the upper part of the outer peripheral edge (5c) of the sealing body (5) and the annular support ( 7) is fixed at the outer peripheral edge.
正極缶（１）の封口部（１Ａ）の外周面には樹脂製絶縁
体（９）が装着されていて、正極缶（１）の封口部（１
Ａ）の外周面は該封口部（１Ａ）の先端に当たる正極缶
（１）の開口端も含んで樹脂製絶縁体（９）で覆われて
いる。A resin insulator (9) is attached to the outer peripheral surface of the sealing part (1A) of the positive electrode can (1).
The outer peripheral surface of A), including the open end of the positive electrode can (1) corresponding to the tip of the sealing part (1A), is covered with a resin insulator (9).
そして、上記樹脂製絶縁体（９）の外径は正極缶（１）
の集電部（１Ｂ）の外径と同一寸法であって、樹脂製絶
縁体（９）の外周面と正極缶（１）の集電部（１Ｂ）の
外周面は同一面になっており、この正極缶（１）の集電
部（１Ｂ）の外周面と樹脂製絶縁体（９）の外周面をシ
ュリンクラベルまたはシュリンクチューブなどの熱収縮
性外装材（１０）で外装することにより、電池は第１〜
２図に示す状態に作製される。The outer diameter of the resin insulator (9) is the same as that of the positive electrode can (1).
The outer circumferential surface of the resin insulator (9) and the outer circumferential surface of the current collecting section (1B) of the positive electrode can (1) are on the same plane. By wrapping the outer circumferential surface of the current collector part (1B) of this positive electrode can (1) and the outer circumferential surface of the resin insulator (9) with a heat-shrinkable outer material (10) such as a shrink label or a shrink tube, Batteries are the first
It is manufactured in the state shown in Figure 2.
上記樹脂製絶縁体（９）は、例えばポリエチレン、ポリ
プロピレン、ナイロン６６、ナイロン６、ナイロン６１
０、ナイロン１１、ナイロン１２、ＡＢＳ樹脂、ポリカ
ーボネート、ポリスチロール、塩化ビニル樹脂などの合
成樹脂、あるいはクロロプレン系ゴム、ブチルゴムなど
のゴム系樹脂などの絶縁性材料で、肉厚が約０．２〜０
．６ ｆｆｍ程度の厚みに作製される、一般にシュリン
クラベルやシュリンクチューブなどの熱収縮性外装材０
０）の厚みは０．０８〜０．１０１１Ｉ１１程度であり
、樹脂製絶縁体（９）の厚みを上記のように０．２〜０
．６ ｎｖ＋程度にすれば、熱収縮性外装材０ωより強
度が大きく、電池使用機器の電池ホルダーとの接触など
によって容易に破損するようなことはない、なお、熱収
縮性外装材０ωとしてシュリンクラベルを用いる場合に
は、シュリンクラベルには一般にアクリル系感圧接着剤
が塗布されているので、樹脂製絶縁体（９）の材質とし
ては、上記シュリンクラベルのアクリル系感圧接着剤と
初期接着性が良好で、貯蔵後も接着状態が安定している
ナイロン６６、ナイロン６、ナイロン６１０１ナイロン
１１、ナイロン１２、ポリスチロール、ＡＢＳ樹脂、塩
化ビニル樹脂、ポリカーボネートなどを用いることが好
ましい。The resin insulator (9) is made of polyethylene, polypropylene, nylon 66, nylon 6, nylon 61, for example.
0, insulating material such as nylon 11, nylon 12, ABS resin, polycarbonate, polystyrene, synthetic resin such as vinyl chloride resin, or rubber resin such as chloroprene rubber or butyl rubber, with a wall thickness of approximately 0.2~ 0
．． Heat-shrinkable exterior materials such as shrink labels and shrink tubes that are generally manufactured to a thickness of about 6 ffm0
The thickness of the resin insulator (9) is about 0.08 to 0.1011I11, and the thickness of the resin insulator (9) is about 0.2 to 0.
．． If it is around 6 nv+, it will have greater strength than the heat-shrinkable exterior material 0ω, and will not be easily damaged by contact with the battery holder of a battery-using device. When using a shrink label, the shrink label is generally coated with an acrylic pressure-sensitive adhesive, so the material of the resin insulator (9) should have an initial adhesive property that is equal to the acrylic pressure-sensitive adhesive of the shrink label. It is preferable to use nylon 66, nylon 6, nylon 6101, nylon 11, nylon 12, polystyrene, ABS resin, vinyl chloride resin, polycarbonate, etc., which have good adhesive properties and a stable adhesive state even after storage.
上記樹脂製絶縁体（９）は、正極缶（１）の封口部（１
Ａ）の先端部がほぼ水平に近い状態に折れ曲がっている
ことと、正極缶（１）の凹溝（１ａ）を利用して装着安
定性を高めるために、第３回に示すように、環状でほぼ
垂直な周壁部（９ａ）の上端部に内向きの鍔部（９ｂ）
を有し、かつ下端部に環状で内向きの突起（９Ｃ）を有
する形状の環状成形体に成形したものを用いることが好
ましい。The resin insulator (9) is connected to the sealing part (1) of the positive electrode can (1).
As shown in Part 3, in order to improve mounting stability by utilizing the fact that the tip of A) is bent almost horizontally and the concave groove (1a) of the positive electrode can (1), an annular shape is used. An inward flange (9b) is attached to the upper end of the almost vertical peripheral wall (9a).
It is preferable to use an annular molded body having a shape and having an annular inward protrusion (9C) at the lower end.
樹脂製絶縁体（９）として第３図に示す形状の環状成形
体を用いる場合、正極缶（１）の封口部（１八）の外周
面への装着は、上記樹脂製絶縁体（９）を正極缶（１）
の封口部（ｌ＾）にかぶせるようにすればよいが、その
場合、樹脂製絶縁体（９）の内向きの鍔部（９ｂ）が正
極缶（１）の封口部（１＾）におけるほぼ水平に折り曲
げた先端部上に配置し、下端部の内向きの突起（９Ｃ〉
が正極缶（１）の凹溝（１ａ）内に入って、樹脂製絶縁
体（９）の装着安定性が向上する。そして、外部短絡の
発生をより確実に防止するために、樹脂製絶縁体（９）
はその内向きの鍔部（９ｂ）の内周側端部が正極缶（１
）の開口端より、さらに内周側に突出する状態に成形し
ておくことが好ましい。また、突起（９Ｃ）の外面形状
は正極缶（１）の凹溝（１ａ）の内面形状に密接する形
状に形成しておくことが好ましい。このようにすること
によって、樹脂製絶縁体（９）の装着安定性がより向上
するとともに、熱収縮性外装材０■で外装する部分の外
周面がすべて同一面となるので、熱収縮性外装材０ωを
外装したときにシワ（皺）が生じない。When an annular molded body having the shape shown in FIG. 3 is used as the resin insulator (9), the resin insulator (9) is attached to the outer peripheral surface of the sealing part (18) of the positive electrode can (1). The positive electrode can (1)
In that case, the inward flange (9b) of the resin insulator (9) should cover the sealing part (1^) of the positive electrode can (1). Place it on the horizontally bent tip, and insert the inward protrusion (9C) on the lower end.
enters the concave groove (1a) of the positive electrode can (1), improving the mounting stability of the resin insulator (9). In order to more reliably prevent the occurrence of external short circuits, a resin insulator (9)
The inner circumferential end of the inward facing flange (9b) is connected to the positive electrode can (1).
) is preferably formed so as to protrude further inward from the open end. Further, it is preferable that the outer surface shape of the protrusion (9C) is formed in a shape closely matching the inner surface shape of the groove (1a) of the positive electrode can (1). By doing this, the installation stability of the resin insulator (9) is further improved, and the outer circumferential surfaces of the parts to be covered with the heat-shrinkable sheathing material are all the same surface, so the heat-shrinkable sheathing material No wrinkles occur when the material 0ω is packaged.
この樹脂製絶縁体（９）は、前記のように種々の樹脂で
作製することができるが、本実施例では、ナイロン６６
を用い、また、本実施例が単３形電池を対象とし正極缶
（１）の集電部（１Ｂ）の外径を１３．７５＋ａｍにし
、封口部（１Ａ）の外径を１３．３５１１Ｉｎ＋にして
いる関係で、樹脂製絶縁体（９）はその周壁部（９ａ）
の肉厚を０．２ｍｍにし、第３図に示すように周壁部（
９ａ）の上端部に内向きの鍔部（９ｂ） （この内向き
の鍔部（９ｂ）の肉厚も０．２ｍｍである〕を有し、下
端部に内向きの突起（９ｃ）を有する形状に成形した環
状成形体を用いている。This resin insulator (9) can be made of various resins as described above, but in this example, nylon 66
In addition, since this example targets AA batteries, the outer diameter of the current collecting part (1B) of the positive electrode can (1) is set to 13.75+ am, and the outer diameter of the sealing part (1A) is set to 13.3511 In+. Because of this, the resin insulator (9) has a peripheral wall (9a)
The thickness of the wall is set to 0.2 mm, and the peripheral wall part (
9a) has an inward facing flange (9b) (the wall thickness of this inward facing flange (9b) is also 0.2 mm) at the upper end, and has an inward protrusion (9c) at the lower end. An annular molded body is used.
封口体（５）は、その中心部に透孔（５ａ）を設けた環
状の厚肉部（５ｂ）と環状の外周縁部（５ｃ）とそれら
厚肉部（５ｂ）と外周縁部（５ｃ）とを連結する連結部
（５ｄ）とからなり、該連結部（５ｄ）は上記外周縁部
（５ｃ〉の近傍にセパレータ（３）の先端部を案内する
ためのＶ字状部と厚肉部（５ｂ）の近傍に薄肉部（５ｄ
ｌ）を有していて、過放電や誤充電などの異常事態の発
生により電池内部にガスが発生して電池内部の圧力が異
常上昇する場合には、その圧力が一定圧力に達すると、
上記薄肉部（５ｄｌ）が破壊して電池内部のガスを電池
外部に放出して電池の高圧下での破裂、いわゆる爆発を
防ぐ、防ｔｙＡａ構が採り入れられている。そして、封
口体（５）の薄肉部（５ｄ＋）が破壊して電池内部のガ
スを電池外部に放出する際にその妨げにならないように
、環状支持体（７）や負極端子板（８）にはそれぞれガ
ス抜き孔（７ａ）、（８ａ）を設けている。なお、本実
施例の電池においては、封口体（５）に防爆用の薄肉部
（５ｃｔ ＋ ）を設ける関係もあって、厚肉部（５ｂ
）と外周縁部（５ｃ）とを連結する連結部（５ｄ）の肉
厚を厚肉部（５ｂ）や外周縁部（５ｃ）より薄くし、厚
肉部（５ｂ）と外周縁部（５ｃ）との間に環状支持体（
７）を装着しているが、封口体（５）の形状によっては
、環状支持体（７）は必ずしも必要なものではない。The sealing body (5) has an annular thick-walled part (5b) with a through hole (5a) in its center, an annular outer peripheral edge (5c), and the thick-walled part (5b) and the outer peripheral edge (5c). ), and the connecting part (5d) has a V-shaped part for guiding the tip of the separator (3) near the outer peripheral edge part (5c>) and a thick-walled part. There is a thin part (5d) near the part (5b).
l), and if an abnormal situation such as over-discharging or incorrect charging occurs, gas is generated inside the battery and the pressure inside the battery rises abnormally, and when the pressure reaches a certain level,
An anti-tyAa structure is adopted in which the thin wall portion (5 dl) breaks and releases the gas inside the battery to the outside of the battery to prevent the battery from bursting under high pressure, so-called explosion. Then, the annular support (7) and the negative electrode terminal plate (8) are attached to the annular support (7) and the negative electrode terminal plate (8) so that the thin wall part (5d+) of the sealing body (5) does not become an obstacle when it breaks and releases the gas inside the battery to the outside of the battery. are provided with gas vent holes (7a) and (8a), respectively. In addition, in the battery of this example, a thin wall portion (5ct + ) for explosion protection is provided in the sealing body (5), and a thick wall portion (5b
) and the outer peripheral edge (5c) is made thinner than the thick wall part (5b) and the outer peripheral edge (5c), so that the thick wall part (5b) and the outer peripheral edge (5c) are connected to each other. ) and an annular support (
7), but depending on the shape of the sealing body (5), the annular support body (7) is not necessarily required.
上記のように構成される電池では、たとえ輸送中や保管
中に電池にかかる温度や電池周囲の湿度、あるいは電池
への直射日光の照射などにより、シュリンクラベルの感
圧接着剤の接着力が低下して、シュリンクラベルの端部
が剥がれたり、シュリンクチューブがさらに収縮して、
シュリンクチューブに引張応力がかかって破れやすい状
態になり、電池使用機器の電池ホルダーへの出し入れに
よって、シュリンクラベルやシュリンクチューブなどの
熱収縮性外装材０ＩＩＩｌが剥がれたり、破れたりした
としても、正極缶（１）の封口部（１Ａ）の外周面に装
着した樹脂製絶縁体（９）が該封口部（１Ａ）の先端に
当たる正極缶（１）の開口端を覆っているので、電池ホ
ルダーの負極・側の接続端子などの金属材が接触しても
、負極端子板（８）と正極缶（１）との外部短絡が生じ
ず、従来電池にみられたような外部短絡による電池寿命
の低下や、電解液の漏出、電池の発熱などによる電池ホ
ルダーの損傷が防止される。For batteries configured as above, the adhesive strength of the pressure-sensitive adhesive on the shrink label may decrease due to the temperature applied to the battery during transportation or storage, the humidity around the battery, or direct sunlight on the battery. This may cause the end of the shrink label to peel off or the shrink tube to shrink further.
Even if the shrink tube becomes susceptible to tearing due to tensile stress, and the heat-shrinkable exterior material such as the shrink label or shrink tube is peeled off or torn when the battery-using equipment is put in and taken out of the battery holder, the cathode can Since the resin insulator (9) attached to the outer peripheral surface of the sealing part (1A) of (1) covers the open end of the positive electrode can (1), which is the tip of the sealing part (1A), the negative electrode of the battery holder・Even if metal materials such as side connection terminals come into contact with each other, an external short circuit between the negative terminal plate (8) and the positive electrode can (1) does not occur, which reduces battery life due to external short circuits that occur in conventional batteries. This prevents damage to the battery holder due to electrolyte leakage, battery heat generation, etc.
以上説明したように、本発明によれば、正極缶（１）の
封口部（１Ａ）の外周面に装着した樹脂製絶縁体（９）
が正極缶（１）の開口端も含んで正極缶（］）の封口部
（１Ａ）を覆っているので、電池使用機器の電池ホルダ
ーへの出し入れによってシュリンクラベルやシュリンク
チューブなどの熱収縮性外装材ＯＩの端部が剥がれたり
、破れたりした場合でも、電池ホルダーの接続端子によ
る外部短絡が生じないかまた、正極缶（１）の封口部（
１Ａ）の外周面を樹脂製絶縁体（９）で覆っているので
、万一電池が落下した場合でも、封口部（１八）の変形
が防止され、封口部（１Ａ）の変形による漏液発生を防
止することができる。As explained above, according to the present invention, the resin insulator (9) attached to the outer peripheral surface of the sealing part (1A) of the positive electrode can (1)
covers the sealing part (1A) of the positive electrode can (1), including the open end of the positive electrode can (1), so when a battery-using device is inserted into or removed from the battery holder, heat-shrinkable exteriors such as shrink labels and shrink tubes are removed. Even if the end of the material OI is peeled off or torn, make sure that there is no external short circuit caused by the connection terminal of the battery holder.
1A) is covered with a resin insulator (9), so even if the battery is dropped, the sealing part (18) will be prevented from deforming and liquid leakage due to deformation of the sealing part (1A) will be prevented. Occurrence can be prevented.
第１図は本発明の筒形アルカリ電池の一実施例を示す断
面図であり、第２図は第１図に示す電池の要部拡大断面
図である。第３図は本発明の電池に使用する樹脂製絶縁
体の一例を拡大して示す断面図である。第４図は従来の
筒形アルカリ電池を示す断面図である。
（１）・・・正極缶、 （１ａ）・・・凹溝、 （１Ａ
）・・・封口部、（１Ｂ）・・・集電部、 （２）・・
・正極合剤、 （３）・・・セパレータ、 （４）・・
・負極剤、 （５）・・・封口体、（５ａ）・・・透孔
、 （５ｃ）・・・外周縁部、 （６）・・・負極集電
体、 （９）・・・樹脂製絶縁体、 （９ａ）・・・周
壁部、（９ｂ）・・・内向きの鍔部、 （９ｃ）・・・
内向きの突起、０■・・・熱収縮性外装材
第
図
第３
図
Ｃ
１・・・正極缶
Ｉａ・・・凹溝
１Ａ・・・封口部
１Ｂ・・・集電部
２・・・正極合剤
３・・・セパレータ
４・・・負極剤
５・・・封口体
５ａ・・・透孔
５ｃ・・・外周縁部
６・・・負極集電体
９・・・樹脂製絶縁体
９ａ・・・周壁部
９ｂ・・・内向きの鍔部
９ｃ・・・内向きの突起
ｉｏ・・・熱収縮性外装。
第
図
Ｉ・・・正極缶
Ｉａ・・・凹溝
１Ａ・・・封口部
１Ｂ・・集電部
２・・・正極合剤
３・・・セノぐレー〜り
４・・・負極剤
５・・・封口体
５ａ・・・透孔
５ｃ・・外周縁部
６・−・負極集電体
９・・・樹脂製絶縁体
９ａ・・周壁部
９ｂ・・・内向きの鍔部
９ｃ・・内向きの突起
ＩＯ・・・熱収縮性外装材
第
４ 図FIG. 1 is a cross-sectional view showing one embodiment of a cylindrical alkaline battery of the present invention, and FIG. 2 is an enlarged cross-sectional view of a main part of the battery shown in FIG. 1. FIG. 3 is an enlarged sectional view showing an example of a resin insulator used in the battery of the present invention. FIG. 4 is a sectional view showing a conventional cylindrical alkaline battery. (1)...Positive electrode can, (1a)...Concave groove, (1A
)... Sealing part, (1B)... Current collecting part, (2)...
・Positive electrode mixture, (3)...Separator, (4)...
・Anode agent, (5)...Sealing body, (5a)...Through hole, (5c)...Outer periphery, (6)...Negative electrode current collector, (9)...Resin (9a)...peripheral wall part, (9b)...inward flange part, (9c)...
Inward protrusion, 0■... Heat-shrinkable exterior material Fig. 3 Fig. C 1... Positive electrode can Ia... Concave groove 1A... Sealing part 1B... Current collecting part 2... Positive electrode mixture 3... Separator 4... Negative electrode material 5... Sealing body 5a... Through hole 5c... Outer periphery 6... Negative electrode current collector 9... Resin insulator 9a ... Peripheral wall portion 9b... Inward flange portion 9c... Inward protrusion io... Heat-shrinkable exterior. Diagram I...Positive electrode can Ia...Concave groove 1A...Sealing part 1B...Current collecting part 2...Positive electrode mixture 3...Senoguri 4...Negative electrode material 5. ... Sealing body 5a ... Hole 5c ... Outer peripheral edge 6 - Negative electrode current collector 9 ... Resin insulator 9a ... Peripheral wall 9b ... Inward flange 9c ... Inside Directional protrusion IO...Heat-shrinkable exterior material Fig. 4
Claims (2)
）、セパレータ（３）、負極剤（４）および電解液を収
容し、該正極缶（１）の開口部に、透孔（５ａ）に負極
集電体（６）を挿入した電気絶縁性の封口体（５）を挿
入し、上記封口体（５）の外周縁部（５ｃ）の下部を正
極缶（１）に設けた環状の凹溝（１ａ）で支え、正極缶
（１）の凹溝（１ａ）から先の部分を内方に締め付けて
正極缶（１）の開口部を封口した筒形アルカリ電池にお
いて、上記正極缶（１）の封口体（５）の外周縁部（５
ｃ）と接触して封口にかかわる封口部（１Ａ）の外径を
正極合剤（２）と接触する集電部（１Ｂ）の外径より小
さくし、該正極缶（１）の封口部（１Ａ）の外周面に樹
脂製絶縁体（９）を装着して、正極缶（１）の封口部（
１Ａ）の外周面を樹脂製絶縁体（９）で覆い、かつ樹脂
製絶縁体（９）の外径と正極缶（１）の集電部（１Ｂ）
の外径とを同一寸法にし、正極缶（１）の集電部（１Ｂ
）の外周面と樹脂製絶縁体（９）の外周面とを熱収縮性
外装材（１０）で外装したことを特徴とする筒形アルカ
リ電池。(1) Inside the bottomed cylindrical positive electrode can (1), the positive electrode mixture (2
), a separator (3), a negative electrode agent (4), and an electrolytic solution are accommodated, and the negative electrode current collector (6) is inserted into the through hole (5a) in the opening of the positive electrode can (1). Insert the sealing body (5), support the lower part of the outer peripheral edge (5c) of the sealing body (5) in the annular groove (1a) provided in the positive electrode can (1), and In a cylindrical alkaline battery in which the opening of the positive electrode can (1) is sealed by tightening the part beyond the groove (1a) inward, the outer peripheral edge (5) of the sealing body (5) of the positive electrode can (1) is
The outer diameter of the sealing part (1A) that is in contact with c) and is involved in the sealing is made smaller than the outer diameter of the current collector part (1B) that is in contact with the positive electrode mixture (2), and the sealing part (1A) of the positive electrode can (1) is A resin insulator (9) is attached to the outer peripheral surface of the positive electrode can (1A), and the sealing part (
1A) is covered with a resin insulator (9), and the outer diameter of the resin insulator (9) and the current collecting part (1B) of the positive electrode can (1) are
The current collecting part (1B) of the positive electrode can (1) is
) and the outer peripheral surface of the resin insulator (9) are covered with a heat-shrinkable sheathing material (10).
９ａ）の上端部に内向きの鍔部（９ｂ）を有し、かつ下
端部に環状で内向きの突起（９ｃ）を有する環状成形体
からなる請求項１記載の筒形アルカリ電池。(2) The resin insulator (9) is annular and almost vertical surrounding wall (
The cylindrical alkaline battery according to claim 1, comprising an annular molded body having an inward flange (9b) at the upper end of the cell 9a) and an annular inward protrusion (9c) at the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292818A JPH02139849A (en) | 1988-11-19 | 1988-11-19 | Cylindrical alkaline cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292818A JPH02139849A (en) | 1988-11-19 | 1988-11-19 | Cylindrical alkaline cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139849A true JPH02139849A (en) | 1990-05-29 |
Family
ID=17786745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63292818A Pending JPH02139849A (en) | 1988-11-19 | 1988-11-19 | Cylindrical alkaline cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139849A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0607675A1 (en) * | 1992-12-22 | 1994-07-27 | Honda Giken Kogyo Kabushiki Kaisha | Battery with rust preventive structure |
| JP2002151017A (en) * | 2000-09-01 | 2002-05-24 | Hitachi Maxell Ltd | Alkaline dry cell |
| JP2004071446A (en) * | 2002-08-08 | 2004-03-04 | Fdk Corp | Alkaline battery |
| JP2012146516A (en) * | 2011-01-12 | 2012-08-02 | Hitachi Vehicle Energy Ltd | Battery with resin film |
| WO2014158984A1 (en) * | 2013-03-29 | 2014-10-02 | The Gillette Company | End cap assembly for an electrochemical cell |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193461A (en) * | 1987-02-05 | 1988-08-10 | Matsushita Electric Ind Co Ltd | Alkaline dry battery |
-
1988
- 1988-11-19 JP JP63292818A patent/JPH02139849A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193461A (en) * | 1987-02-05 | 1988-08-10 | Matsushita Electric Ind Co Ltd | Alkaline dry battery |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0607675A1 (en) * | 1992-12-22 | 1994-07-27 | Honda Giken Kogyo Kabushiki Kaisha | Battery with rust preventive structure |
| US5418083A (en) * | 1992-12-22 | 1995-05-23 | Honda Giken Kogyo Kabushiki Kaisha | Battery with rust preventive structure |
| JP2002151017A (en) * | 2000-09-01 | 2002-05-24 | Hitachi Maxell Ltd | Alkaline dry cell |
| JP2004071446A (en) * | 2002-08-08 | 2004-03-04 | Fdk Corp | Alkaline battery |
| JP2012146516A (en) * | 2011-01-12 | 2012-08-02 | Hitachi Vehicle Energy Ltd | Battery with resin film |
| WO2014158984A1 (en) * | 2013-03-29 | 2014-10-02 | The Gillette Company | End cap assembly for an electrochemical cell |
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