JP2592362Y2 - Lithium battery - Google Patents
Lithium batteryInfo
- Publication number
- JP2592362Y2 JP2592362Y2 JP5114493U JP5114493U JP2592362Y2 JP 2592362 Y2 JP2592362 Y2 JP 2592362Y2 JP 5114493 U JP5114493 U JP 5114493U JP 5114493 U JP5114493 U JP 5114493U JP 2592362 Y2 JP2592362 Y2 JP 2592362Y2
- Authority
- JP
- Japan
- Prior art keywords
- electrode plate
- lithium battery
- negative electrode
- positive electrode
- distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- Y02E60/12—
Landscapes
- Primary Cells (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案はリチウム電池に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lithium battery.
【０００２】[0002]
【従来の技術】リチウム電池は、耳部を有するグリッド
に二酸化マンガンと導電剤としてのアセチレンブラック
との混合物を圧着した正極板と、耳部を有するグリッド
にリチウムシートを圧着した負極板とをポリプロピレン
製の不織布からなるセパレータを介して交互に重ねてな
る極群が用いられている。2. Description of the Related Art A lithium battery has a positive electrode plate formed by pressing a mixture of manganese dioxide and acetylene black as a conductive agent on a grid having ears, and a negative electrode plate formed by pressing a lithium sheet on a grid having ears. A pole group alternately stacked with a separator made of a nonwoven fabric made of steel is used.
【０００３】このようなリチウム電池に用いられるグリ
ッドは、製造原価を低減させるために正極板、負極板の
両方に使用できるような形状にし、正極板と負極板とを
左右対称にして交互に重ねられていた。The grid used in such a lithium battery is shaped so that it can be used for both a positive electrode plate and a negative electrode plate in order to reduce the manufacturing cost, and the positive electrode plate and the negative electrode plate are symmetrically stacked alternately. Had been.
【０００４】[0004]
【考案が解決しようとする問題】上記した従来のリチウ
ム電池では、正極板と負極板の外観形状が同一であるた
め、正極板、負極板をセパレータを介して交互に重ねる
場合に重ね間違いを生じる場合があり、リチウム電池の
不良が発生するという問題があった。In the above-described conventional lithium battery, since the positive electrode plate and the negative electrode plate have the same external shape, when the positive electrode plate and the negative electrode plate are alternately overlapped with a separator therebetween, an error occurs. In some cases, there is a problem that a failure of the lithium battery occurs.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、本考案は、正極板、負極板をセパレータを介して交
互に重ねてなる極群を有するリチウム電池において、前
記正極板の端部と正極板の上縁に形成した耳部との距離
が負極板の端部と負極板の上縁に形成した耳部との距離
に対して異なっていることを特徴とするものである。Means for Solving the Problems To solve the above problems, the present invention provides a lithium battery having a group of electrodes in which a positive electrode plate and a negative electrode plate are alternately stacked with a separator interposed therebetween. The distance between the ear formed on the upper edge of the positive electrode plate is different from the distance between the end of the negative electrode plate and the ear formed on the upper edge of the negative electrode plate.
【０００６】[0006]
【作用】従って、本考案は正極板と負極板の外観形状を
異ならせることができるので、正極板と負極板をセパレ
ータを介して交互に重ねる場合に重ね間違いを生じるこ
とがなくなる。Therefore, according to the present invention, since the positive electrode plate and the negative electrode plate can have different appearances, when the positive electrode plate and the negative electrode plate are alternately stacked with the separator interposed therebetween, mistakes in stacking do not occur.
【０００７】[0007]
【実施例】以下、本考案を実施例により説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments.
【０００８】図１は、本考案のリチウム電池に用いられ
る正極板の正面図である。FIG. 1 is a front view of a positive electrode plate used in the lithium battery of the present invention.
【０００９】図２は、本考案のリチウム電池に用いられ
る負極板の正面図である。FIG. 2 is a front view of the negative electrode plate used in the lithium battery of the present invention.
【００１０】図３は、本考案のリチウム電池に用いられ
る極群の斜視図である。FIG. 3 is a perspective view of a pole group used in the lithium battery of the present invention.
【００１１】本考案の特徴は、図１、図２に示したよう
に、正極板１の端部とその上縁に形成した耳部２との距
離ａを負極板３の端部とその上縁に形成した耳部４との
距離ｂに対して異ならせ、正極板１と負極板３の外観形
状が異なるようにしたものである。As shown in FIGS. 1 and 2, the feature of the present invention is that the distance a between the end of the positive electrode plate 1 and the lug 2 formed on the upper edge thereof is determined by the distance a between the end of the negative electrode plate 3 and the upper end thereof. The outer shape of the positive electrode plate 1 is different from that of the negative electrode plate 3 with respect to the distance b between the lug 4 formed on the edge.
【００１２】そして、図３に示したように正極板１、負
極板３をセパレータ５を介して交互に重ねて極群とす
る。Then, as shown in FIG. 3, the positive electrode plate 1 and the negative electrode plate 3 are alternately overlapped with a separator 5 therebetween to form a pole group.
【００１３】こうして得られた極群では、正極板１、負
極板３の重ね間違いがあると、その極板の耳部の位置が
異なるため、容易に重ね間違いを発見することができ
る。In the electrode group thus obtained, if there is an error in the stacking of the positive electrode plate 1 and the negative electrode plate 3, the positions of the ears of the electrode plates are different.
【００１４】上記した正極板１における距離ａと負極板
３における距離ｂに対して、耳部２、４の幅をｃとする
と、ａとｂの差がｃより大であるようにすると、耳部２
と耳部４との間隔を確保することができるので、リチウ
ム電池の組立時の作業性を向上することができる。Assuming that the width of the ear portions 2 and 4 is c with respect to the distance a on the positive electrode plate 1 and the distance b on the negative electrode plate 3, the difference between a and b is larger than c. Part 2
Therefore, the workability at the time of assembling the lithium battery can be improved.
【００１５】[0015]
【考案の効果】上記したとおりであるから、本考案は極
板の重ね間違いによるリチウム電池の不良をなくすこと
ができ、その組立時の作業性も向上させることができ
る。As described above, according to the present invention, it is possible to eliminate the defect of the lithium battery due to the misplacement of the electrode plates, and to improve the workability during the assembly.
【図１】本考案のリチウム電池に用いられる正極板の正
面図である。FIG. 1 is a front view of a positive electrode plate used in the lithium battery of the present invention.
【図２】本考案のリチウム電池に用いられる負極板の正
面図である。FIG. 2 is a front view of the negative electrode plate used in the lithium battery of the present invention.
【図３】本考案のリチウム電池に用いられる極群の斜視
図である。FIG. 3 is a perspective view of a pole group used in the lithium battery of the present invention.
１ 正極板 ２ 耳部 ３ 負極板 ４ 耳部 ５ セパレータ DESCRIPTION OF SYMBOLS 1 Positive electrode plate 2 Ear part 3 Negative electrode plate 4 Ear part 5 Separator
Claims (2)
互に重ねてなる極群を有するリチウム電池において、前
記正極板の端部と正極板の上縁に形成した耳部との距離
が負極板の端部と負極板の上縁に形成した耳部との距離
に対して異なっていることを特徴とするリチウム電池。1. A lithium battery having a group of electrodes in which a positive electrode plate and a negative electrode plate are alternately stacked with a separator interposed therebetween, wherein a distance between an end of the positive electrode plate and a lug formed on an upper edge of the positive electrode plate is a negative electrode. A lithium battery, wherein the distance between an edge of the plate and an ear formed on an upper edge of the negative electrode plate is different.
板の端部と耳部との距離をｂ、耳部の幅をｃとし、ａと
ｂの差がｃより大であることを特徴とする請求項第１項
記載のリチウム電池。2. The distance between the end of the positive electrode plate and the ear is a, the distance between the end of the negative electrode plate and the ear is b, the width of the ear is c, and the difference between a and b is larger than c. The lithium battery according to claim 1, wherein:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5114493U JP2592362Y2 (en) | 1993-08-25 | 1993-08-25 | Lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5114493U JP2592362Y2 (en) | 1993-08-25 | 1993-08-25 | Lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0716359U JPH0716359U (en) | 1995-03-17 |
| JP2592362Y2 true JP2592362Y2 (en) | 1999-03-17 |
Family
ID=12878637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5114493U Expired - Lifetime JP2592362Y2 (en) | 1993-08-25 | 1993-08-25 | Lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2592362Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5676095B2 (en) * | 2009-11-19 | 2015-02-25 | Ｎｅｃエナジーデバイス株式会社 | Multilayer secondary battery |
| KR101433666B1 (en) | 2012-02-07 | 2014-08-25 | 주식회사 엘지화학 | Method for Battery Cell Having Uncoated Part of Battery Case |
| EP2802027B1 (en) * | 2012-04-16 | 2018-05-30 | Lg Chem, Ltd. | Electrode assembly including differently shaped positive electrode and negative electrode, and secondary battery |
| JP6058037B2 (en) * | 2012-04-16 | 2017-01-11 | エルジー・ケム・リミテッド | ELECTRODE ASSEMBLY WITH DIFFERENT SHAPE TYPE OF POSITIVE ELECTRODE AND NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME |
-
1993
- 1993-08-25 JP JP5114493U patent/JP2592362Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716359U (en) | 1995-03-17 |
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