JPH0331005Y2 - - Google Patents
Info
- Publication number
- JPH0331005Y2 JPH0331005Y2 JP1983065531U JP6553183U JPH0331005Y2 JP H0331005 Y2 JPH0331005 Y2 JP H0331005Y2 JP 1983065531 U JP1983065531 U JP 1983065531U JP 6553183 U JP6553183 U JP 6553183U JP H0331005 Y2 JPH0331005 Y2 JP H0331005Y2
- Authority
- JP
- Japan
- Prior art keywords
- active material
- case
- button
- lead
- disc
- 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
- 239000011149 active material Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- Y02E60/12—
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
Description
本考案は水酸化ニツケルを主たる正極活物質と
し、カドミウム、亜鉛等を主たる負極活物質と
し、それぞれの活物質保持部が円盤状の極板を使
用し、セパレータとともに金属ケースに収納して
なるボタン型アルカリ電池に関するものである。
本考案の目的は円盤状の活物質保持部に連接さ
れるリード部として、円弧状部を有し、且つ円弧
状部のいずれか一方にずらした位置にて活物質保
持部と連接される形状とすることにより、電池の
組立てを容易にし、且つ極板の中心がケースの中
心に一致しやすくし、その結果組立時の不良率の
少ないボタン型アルカリ電池を得ることにある。
従来のこの種の電池の極板の形状は、第１図イ
あるいはロが一般的である。イの場合は円盤状の
活物質保持部１に短冊状のリード部２′が連接さ
れており、極板をケースの中心に合わせにくく、
又ロでは円盤状のリード部２″の円弧部分にほヾ
中央部で活物質保持部１と連接されている。この
場合はケースへのスポツト溶接が難しいなどの欠
点がある。本考案は従来の電池のこれらの欠点を
除去するもので、以下に本考案の詳細を実施例に
よつて説明する。第５図は本考案によるボタン型
アルカリ電池に使用する極板Ｘを示し、１は円盤
状の活物質保持部であり、中央部の集電体の両側
面に多孔質のニツケル焼結体を有し、正極には主
として水酸化ニツケル、負極には主としてカドミ
ウムが含浸されている。２はリード部で１の集電
部と一体のニツケルメツキした薄鋼板からなり、
形状は片側が円弧状で該円弧の曲率は、正負両極
ケースそれぞれの内側、側壁部の曲率と同等であ
る。Ｚは円盤状の活物質保持部１とリード部２と
の連結部である。本考案によるボタン型アルカリ
電池に使用する極板の製造は、第２図に示すニツ
ケルメツキを施した薄鋼板からなる集電体ｂとこ
れに連なる上下の集電体の両側面に帯状の活物質
層を保持させた部分ａからなる原極板を金型に使
用して、所定の形状に打ち抜けばよい。
次に本考案によるボタン型アルカリ電池の組立
の方法は、第３図に示す如く正極側は正極側の電
池ケース（正極ケース）３の内側側壁部７に極板
のリード部の円弧状部分を当てた状態で端子とな
る電池ケース底部１０とをスポツト溶接した後、
円盤状の活物質保持部１をリード部２とのつけ根
から折り曲げ、正極ケース底部に当てる事で接続
が完了する。負極側も正極側と同様の方法で接続
する。次に第４図に本考案によるボタン型アルカ
リ電池の断面図を示す如く、正極板１１はリード
部２によつて正極ケース３と接続され、同様に、
負極板１２もリード２によつて負極側の電池ケー
ス（負極ケース）４に接続されており、正負極板
間にセパレータ５を挿入し、所定の電解液を注入
した後、正極ケース３、負極ケース４を嵌合し、
封口を行う事によつて完成する。なお６は絶縁を
兼ねたパツキングである。
この様な方法にて極板をケースにスポツト溶接
し、つけ根で折り曲げると極板の中心は自然にケ
ースの中心に非常に近い部分に位置する様にな
る。
本考案の効果を立証するために、第２図に示し
た本考案による極板を用いた公称容量50mAhの
ボタン型アルカリ電池Ａを１千個又同じ極板面積
を持つ第１図イ及びロに示した形の極板を用いた
従来型電池それぞれＢ及びＣも各１千個作りその
製作に要する時間及び不良の発生率を調べると次
表の如く本考案が一段と優れている。
This invention uses nickel hydroxide as the main positive electrode active material, cadmium, zinc, etc. as the main negative electrode active materials, and each active material holding part uses a disc-shaped electrode plate, which is housed in a metal case together with a separator. This relates to type alkaline batteries. The purpose of the present invention is to provide a lead part connected to a disc-shaped active material holding part that has an arcuate part and is connected to the active material holding part at a position shifted to either side of the arcuate part. By doing so, it is possible to easily assemble the battery, and to make it easier for the center of the electrode plate to coincide with the center of the case, thereby obtaining a button-type alkaline battery with a low defect rate during assembly. The shape of the electrode plate of a conventional battery of this type is generally as shown in FIG. 1A or 1B. In case A, the strip-shaped lead part 2' is connected to the disc-shaped active material holding part 1, making it difficult to align the electrode plate with the center of the case.
In addition, in B, the circular arc portion of the disc-shaped lead portion 2'' is connected to the active material holding portion 1 almost at the center.In this case, there are drawbacks such as difficulty in spot welding to the case. The present invention is intended to eliminate these drawbacks of the battery, and the details of the present invention will be explained below with reference to examples. Fig. 5 shows the electrode plate X used in the button-type alkaline battery according to the present invention, and 1 is a disk. It is a shaped active material holding part, and has a porous sintered nickel body on both sides of a current collector in the center, and the positive electrode is mainly impregnated with nickel hydroxide, and the negative electrode is mainly impregnated with cadmium. The lead part is made of a nickel-plated thin steel plate that is integrated with the current collector part 1.
The shape is a circular arc on one side, and the curvature of the circular arc is equivalent to the curvature of the inner side wall portion of each of the positive and negative polarity cases. Z is a connecting portion between the disk-shaped active material holding portion 1 and the lead portion 2. The production of the electrode plate used in the button-type alkaline battery according to the present invention consists of a current collector b made of a nickel-plated thin steel plate as shown in Fig. 2, and a band-shaped active material on both sides of the upper and lower current collectors. The original electrode plate consisting of the portion a holding the layer may be used as a mold and punched into a predetermined shape. Next, as shown in FIG. 3, the method for assembling the button-type alkaline battery according to the present invention is as shown in FIG. After spot welding the bottom part 10 of the battery case which will become the terminal in the state where it is applied,
The connection is completed by bending the disc-shaped active material holding part 1 from the base of the lead part 2 and applying it to the bottom of the positive electrode case. Connect the negative electrode side in the same way as the positive electrode side. Next, as shown in FIG. 4, which is a cross-sectional view of the button-type alkaline battery according to the present invention, the positive electrode plate 11 is connected to the positive electrode case 3 through the lead part 2, and similarly,
The negative electrode plate 12 is also connected to the negative electrode side battery case (negative electrode case) 4 by the lead 2. After inserting a separator 5 between the positive and negative electrode plates and injecting a predetermined electrolyte, the positive electrode case 3 and the negative electrode are connected to each other. Fit case 4,
It is completed by sealing it. Note that 6 is a packing that also serves as insulation. If the electrode plate is spot-welded to the case in this way and bent at the base, the center of the electrode plate will naturally be located very close to the center of the case. In order to prove the effects of the present invention, 1,000 button-type alkaline batteries A with a nominal capacity of 50 mAh using the plate according to the present invention shown in Fig. 1,000 of each of conventional batteries B and C were made using the electrode plates of the shape shown in Figure 1, and the time required to manufacture them and the incidence of defects were examined. As shown in the following table, the present invention is far superior.
【表】
なおリード部の円弧はその70％以上が片側にあ
れば、作業上、性能上において本考案の目的を達
成する事が出来た。よつて、円盤状の活物質保持
部とリード部との連結部Ｚは、リード部の円弧部
の一方の端から円弧長の30％以内の位置に設ける
ことが望ましい。
以上説明した如く、本考案によるボタン型アル
カリ電池は極板のケースへの接続が、極板のリー
ドの円弧状部をケースの内側の側壁部に当てる事
によつて正確に素速く位置決めが出来る。従つて
本考案によるボタン型アルカリ電池は組立作業が
能率的で作業性が良く、しかも極板のケースへの
接続作業に於ける位置決めが正確に出来る為に不
良率を極めて少くする事を可能ならしめるもので
ある。[Table] If more than 70% of the arc of the lead portion was on one side, the purpose of the present invention could be achieved in terms of work and performance. Therefore, it is desirable that the connection part Z between the disc-shaped active material holding part and the lead part be provided at a position within 30% of the arc length from one end of the arc part of the lead part. As explained above, in the button-type alkaline battery according to the present invention, the connection of the electrode plate to the case can be performed accurately and quickly by applying the arc-shaped part of the lead of the electrode plate to the inner side wall of the case. . Therefore, the button-type alkaline battery according to the present invention has efficient assembly work and good workability, and it is possible to extremely reduce the defective rate because the positioning of the electrode plate to the case can be performed accurately. It is something to tighten.
第１図は従来のボタン型アルカリ電池用極板の
形状を示す図、第２図は本考案によるボタン型ア
ルカリ電池用極板の製造方法を説明するための
図、第３図は本考案のボタン型アルカリ電池の正
極ケースと正極リード部の取り付け方法を示す
図、第４図は本考案によるボタン型アルカリ電池
の断面図を示す。第５図は本考案によるボタン型
アルカリ電池に使用する極板を示した図である。
１……円盤状の活物質保持部、２……リード
部、４……負極ケース（電池ケース）、５……セ
パレータ、６……パツキング、３……正極ケース
（電池ケース）、７……ケースの内側側壁部、１０
……電池ケース底部、１１……正極、１２……負
極、Ｘ……極板、Ｚ……円盤状の活物質保持部と
リード部との連結部。
Figure 1 is a diagram showing the shape of a conventional button-type alkaline battery plate, Figure 2 is a diagram illustrating the method of manufacturing a button-type alkaline battery plate according to the present invention, and Figure 3 is a diagram showing the shape of a button-type alkaline battery plate according to the present invention. A diagram showing a method of attaching a positive electrode case and a positive electrode lead part of a button-type alkaline battery, and FIG. 4 is a sectional view of the button-type alkaline battery according to the present invention. FIG. 5 is a diagram showing an electrode plate used in a button-type alkaline battery according to the present invention. DESCRIPTION OF SYMBOLS 1... Disc-shaped active material holding part, 2... Lead part, 4... Negative electrode case (battery case), 5... Separator, 6... Packing, 3... Positive electrode case (battery case), 7... Inner side wall of case, 10
. . . Bottom of battery case, 11 . . . Positive electrode, 12 . . . Negative electrode, X .
Claims (1)
型アルカリ電池であつて、 極板Ｘは、円盤状の活物質保持部１とリード部
２とからなり、 円盤状の活物質保持部１は円盤状の集電部の両
側面に活物質層を具備したものであり、 該円盤状の集電部とリード部２とは、薄鋼板
ａ，ｂから一体に打抜き形成されたものであり、 リード部２の外形が電池ケース３，４に内接す
る円板の円弧部の一部を残した形であつて、円盤
状の活物質保持部１との連結部Ｚが該円弧部の一
方の端から円弧長の30％以内の位置に形成された
ものであり、 極板Ｘは、リード部２が電池ケース３，４の内
側側壁部にその円弧部分が当接する状態で電池ケ
ース３，４の底部１０とスポツト溶接され、円盤
状の活物質保持部１が連結部Ｚで折曲げられて電
池ケース３，４内に収納されている ボタン型アルカリ電池。[Scope of Claim for Utility Model Registration] A button-type alkaline battery having an electrode plate The disk-shaped active material holding section 1 is provided with active material layers on both sides of a disk-shaped current collecting section, and the disk-shaped current collecting section and the lead section 2 are integrally formed from thin steel plates a and b. The outer shape of the lead part 2 is a shape that leaves a part of the circular arc part of the disc inscribed in the battery cases 3 and 4, and the lead part 2 is connected to the disc-shaped active material holding part 1. A portion Z is formed at a position within 30% of the arc length from one end of the arc portion, and the electrode plate This button-type alkaline battery is spot-welded to the bottoms 10 of battery cases 3 and 4 in abutting state, and a disc-shaped active material holding part 1 is bent at a connecting part Z and housed in the battery cases 3 and 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983065531U JPS59170967U (en) | 1983-04-30 | 1983-04-30 | Button alkaline battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983065531U JPS59170967U (en) | 1983-04-30 | 1983-04-30 | Button alkaline battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59170967U JPS59170967U (en) | 1984-11-15 |
| JPH0331005Y2 true JPH0331005Y2 (en) | 1991-07-01 |
Family
ID=30195732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983065531U Granted JPS59170967U (en) | 1983-04-30 | 1983-04-30 | Button alkaline battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59170967U (en) |
-
1983
- 1983-04-30 JP JP1983065531U patent/JPS59170967U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59170967U (en) | 1984-11-15 |
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