JPH0447264U - - Google Patents
Info
- Publication number
- JPH0447264U JPH0447264U JP8945090U JP8945090U JPH0447264U JP H0447264 U JPH0447264 U JP H0447264U JP 8945090 U JP8945090 U JP 8945090U JP 8945090 U JP8945090 U JP 8945090U JP H0447264 U JPH0447264 U JP H0447264U
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- current collector
- electrode current
- dish
- shaped projection
- 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- Y02E60/12—
Description
第１図はこの考案をスパイラル形リチウム電池
に適用した場合の発電要素の分解説明図、第２図
は同リチウム電池の組立状態を示す断面図、第３
図は負極集電体の圧着部を拡大して示す断面図、
第４図Ａ，Ｂは従来の負極集電体の説明図、第５
図Ａ，Ｂは従来の他の負極集電体の説明図である
。
２……リチウムシート、３……セパレータ、４
……正極、１２……負極集電体、１２ａ……圧着
部、１２ｂ……リード部、２０……皿状突起、２
０ａ……先端、２０ｂ……孔、２０ｃ……エツジ
部、Ａ……発電要素。
Figure 1 is an exploded explanatory diagram of the power generation element when this invention is applied to a spiral-shaped lithium battery, Figure 2 is a cross-sectional view showing the assembled state of the lithium battery, and Figure 3
The figure is an enlarged cross-sectional view of the crimped part of the negative electrode current collector.
Figures 4A and 4B are explanatory diagrams of conventional negative electrode current collectors, Figure 5
Figures A and B are explanatory diagrams of other conventional negative electrode current collectors. 2...Lithium sheet, 3...Separator, 4
...Positive electrode, 12...Negative electrode current collector, 12a...Crimp part, 12b...Lead part, 20...Dish-shaped projection, 2
0a... tip, 20b... hole, 20c... edge portion, A... power generation element.
Claims (1)
れる負極集電体と、前記リチウムシートの背面に
セパレータを介して積層された正極とを備え、前
記リチウムシート、セパレータ及び正極を積層状
態で巻回することにより筒形の発電要素を構成し
たリチウム電池において： 前記負極集電体は、前記リチウムシートに対す
る圧着面に向けて突出形成された複数の皿状突起
と、この各皿状突起に穿設された孔と、この孔の
周縁にあつて前記皿状突起の内側に向けて立ち上
がるエツジ部とを備えたことを特徴とするリチウ
ム電池用負極集電体。[Claims for Utility Model Registration] A negative electrode current collector press-bonded to the surface of a lithium sheet constituting a negative electrode, and a positive electrode laminated on the back surface of the lithium sheet with a separator in between; In a lithium battery in which a cylindrical power generation element is constructed by winding positive electrodes in a laminated state: 1. A negative electrode current collector for a lithium battery, comprising a hole formed in each dish-shaped projection, and an edge portion that is located at the periphery of the hole and rises toward the inside of the dish-shaped projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8945090U JPH0637569Y2 (en) | 1990-08-29 | 1990-08-29 | Negative electrode current collector for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8945090U JPH0637569Y2 (en) | 1990-08-29 | 1990-08-29 | Negative electrode current collector for lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0447264U true JPH0447264U (en) | 1992-04-22 |
| JPH0637569Y2 JPH0637569Y2 (en) | 1994-09-28 |
Family
ID=31823437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8945090U Expired - Lifetime JPH0637569Y2 (en) | 1990-08-29 | 1990-08-29 | Negative electrode current collector for lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0637569Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016058220A (en) * | 2014-09-09 | 2016-04-21 | Fdk株式会社 | Bobbin type lithium primary battery |
| JP2018032522A (en) * | 2016-08-24 | 2018-03-01 | Fdk株式会社 | Cylindrical lithium primary battery, and negative electrode collector for cylindrical lithium primary battery |
-
1990
- 1990-08-29 JP JP8945090U patent/JPH0637569Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016058220A (en) * | 2014-09-09 | 2016-04-21 | Fdk株式会社 | Bobbin type lithium primary battery |
| JP2018032522A (en) * | 2016-08-24 | 2018-03-01 | Fdk株式会社 | Cylindrical lithium primary battery, and negative electrode collector for cylindrical lithium primary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0637569Y2 (en) | 1994-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |