JPH0322346A - Organic electrolyte battery - Google Patents
Organic electrolyte batteryInfo
- Publication number
- JPH0322346A JPH0322346A JP15779889A JP15779889A JPH0322346A JP H0322346 A JPH0322346 A JP H0322346A JP 15779889 A JP15779889 A JP 15779889A JP 15779889 A JP15779889 A JP 15779889A JP H0322346 A JPH0322346 A JP H0322346A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- section
- lower flat
- case
- flat section
- 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
- 239000005486 organic electrolyte Substances 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000008188 pellet Substances 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims abstract 2
- 238000010248 power generation Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- FBDMJGHBCPNRGF-UHFFFAOYSA-M [OH-].[Li+].[O-2].[Mn+2] Chemical compound [OH-].[Li+].[O-2].[Mn+2] FBDMJGHBCPNRGF-UHFFFAOYSA-M 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- Y02E60/12—
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、有機電解液電池に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to an organic electrolyte battery.
従来の技術
従来、この種の有機電解液電池は、第３図に示すような
構成であった。第３図におて、１は負極端子を兼ねる封
口板、２は正極端子を兼ねる電池ケース、３はポリブロ
ビレンからなるガスケット、４は二酸化マンガンを活物
質とする正極、５は負極活物質であるリチウム、６はポ
リプロピレン等からなるセパレータ、７は正極リングで
ある。 発明が解決しようとする課題
このような従来構戒を応用して、電池厚さが厚い場合の
構成方法は、以下の３種類が考えられる。BACKGROUND OF THE INVENTION Conventionally, this type of organic electrolyte battery has had a structure as shown in FIG. In Figure 3, 1 is a sealing plate that also serves as a negative electrode terminal, 2 is a battery case that also serves as a positive electrode terminal, 3 is a gasket made of polypropylene, 4 is a positive electrode whose active material is manganese dioxide, and 5 is a negative electrode active material. 6 is a separator made of polypropylene or the like, and 7 is a positive electrode ring. Problems to be Solved by the Invention By applying such conventional construction principles, the following three types of construction methods can be considered when the battery thickness is thick.
（１）第４図のように、封口板１の折り返し部（ａ）の
寸法を長くする方法。(1) A method of lengthening the folded portion (a) of the sealing plate 1 as shown in FIG.
（２） 第５図のように、封口板１のＲ部（ｌ））の
形状を変化させる方法。(2) A method of changing the shape of the R portion (l) of the sealing plate 1 as shown in FIG.
（３）第６図のように、ガスケット３の底部厚さ（Ｃ）
を厚くする方法。(3) As shown in Figure 6, the bottom thickness of the gasket 3 (C)
How to make it thicker.
しかし、これら３種の方法を用いることにより耐漏液性
能が悪化することが問題となっている。However, there is a problem in that the use of these three methods deteriorates the leakage resistance.
そこで第７図に示すような、電池内ケースを使用する方
法があるが、この方法では、耐漏液性能が向上するが、
全く新しい構造である為、第８図（ａ） ． （ｂ）に
示すような内部の緊迫度不足による放電異常が発生した
。Therefore, there is a method of using a case inside the battery as shown in Figure 7, but this method improves leakage resistance, but
Since it is a completely new structure, it is shown in Figure 8(a). An abnormal discharge occurred due to insufficient internal tension as shown in (b).
課題を解決するための手段
これらの問題を解決する為に、本発明は、断面逆ハット
状の電池内ケースを使用し、■前記電池内ケースの下部
平坦部に突起をもうける、■記電池内ケース内底面に断
面凹状に成型したバネ効果を有する集電板を溶接する、
■前記電池内ケースの下部平坦部を断面ハの字形に打ち
抜き加工する、のいずれかを施したものである。Means for Solving the Problems In order to solve these problems, the present invention uses a battery inner case having an inverted hat-like cross section, (1) providing a protrusion on the lower flat part of the battery inner case, and (2) providing the battery inner case with a protrusion. A current collector plate with a spring effect and a concave cross-section is welded to the inner bottom of the case.
(2) The lower flat part of the battery inner case is punched out to have a V-shaped cross section.
作用
この構成により、電池内部の緊迫度をあらかじめ高めて
おくことによって，放電中においても、電池内部の緊迫
度を良好に保つことができる。したがって、放電異常を
効果的におさえることができる。又、電池内ケースを使
用することで、耐漏液性の向上もはかれる。Effect: With this configuration, by increasing the tension inside the battery in advance, the tension inside the battery can be maintained at a good level even during discharge. Therefore, discharge abnormalities can be effectively suppressed. Furthermore, by using a battery inner case, leakage resistance can be improved.
実施例
本発明の実施例を、径２ ０ ｍｙａ ．高さ５．０ｍ
ｍの二酸化マンガンリチウム電池を用いて説明する。EXAMPLE An example of the present invention was described with a diameter of 20 mya. Height 5.0m
This will be explained using a manganese dioxide lithium battery of 1.
第１図（１） ， （２’） ， （３）は、本発明の
実施例における電池縦断面図である。図中１はステンレ
ス鋼製の負極端子を兼ねる封目板、２はステンレス鋼製
の正極端子を兼ねる電池ケース、３はポリプロピレンか
らなるガスケット、４は二酸化マンガン，導電材，結着
材よりなる正極合剤であり、ペレット状に成型している
。５は負極活物質であるリチウム、６はボリブロビレン
製のセパレータ、８は本発明の断面逆ハット状の電池内
ケースである。電解液には、炭酸ブロビレンと１．２ジ
メトキシエタンとの等容積混合溶媒に過塩素酸リチウム
を溶解させたものを使用した。FIGS. 1 (1), (2'), and (3) are vertical cross-sectional views of a battery in an embodiment of the present invention. In the figure, 1 is a sealing plate made of stainless steel that also serves as a negative electrode terminal, 2 is a battery case made of stainless steel that also serves as a positive terminal, 3 is a gasket made of polypropylene, and 4 is a positive electrode made of manganese dioxide, a conductive material, and a binding material. It is a mixture and is molded into pellets. 5 is lithium which is a negative electrode active material, 6 is a separator made of polypropylene, and 8 is a battery case having an inverted hat-shaped cross section according to the present invention. The electrolytic solution used was one in which lithium perchlorate was dissolved in a mixed solvent of equal volume of brobylene carbonate and 1.2 dimethoxyethane.
第２図（１），（２），（３）に、本発明の実施例であ
る突起部を有した電池内ケースの縦断面図を示す。本実
施例では、突起部として、径１０ｍ＋、高さ０．２５−
の円柱台状の形状を使用した。FIGS. 2(1), (2), and (3) show longitudinal sectional views of a battery inner case having a protrusion according to an embodiment of the present invention. In this example, the protrusion has a diameter of 10m+ and a height of 0.25-
A cylindrical trapezoidal shape was used.
本実施例をＡ、従来例をＢ（第４図），Ｃ（第５図），
Ｄ〈第６図〉とした際の耐漏液性を第１表に示す。This embodiment is A, the conventional example is B (Fig. 4), C (Fig. 5),
Table 1 shows the leakage resistance when D (Figure 6) was used.
従来構造では、耐漏液性能が劣ることがわかる。It can be seen that the conventional structure has poor leakage resistance.
従来の構造において、種々のテストをする中で、第８図
（ａ） ， （ｂ）に示すような放電異常が多発した。In the conventional structure, during various tests, discharge abnormalities as shown in FIGS. 8(a) and 8(b) frequently occurred.
これは、放電によって生じるリチウムの減少に対して、
電池内部の緊迫度が不足するために、電池内部の接触が
とれなくなることにもとずくものである。そこで、第２
図に示すように、電池内ケース底部突起部をもうけ、電
池内部の緊迫度をあらかじめ高めておくことにより、放
電中においても緊迫度を良好に保つことが可能となる。This is due to the decrease in lithium caused by discharge.
This is because the inside of the battery cannot be contacted due to insufficient tension inside the battery. Therefore, the second
As shown in the figure, by providing a protrusion on the bottom of the battery inner case and increasing the degree of tension inside the battery in advance, it becomes possible to maintain a good degree of tension even during discharge.
その結果として、８図（Ｃ）に示すような良好な放電特
性が得られた。As a result, good discharge characteristics as shown in FIG. 8(C) were obtained.
突起部の形状としては、本実施例の他に、ビップ状のも
の、バネ状のもの等種々検討したがいずれも効果があっ
た。As for the shape of the protrusion, in addition to the present example, various shapes such as a bip-like shape and a spring-like shape were investigated, and all of them were effective.
発明の効果
以上のように、本発明によれば、対漏液性がすぐれ、か
つ放電異常が発生しないという効果がある。Effects of the Invention As described above, according to the present invention, there is an effect that the liquid leakage resistance is excellent and that abnormal discharge does not occur.
第１図（１） ， （２） ， （３）は本発明の実施
例による有機電解液電池の縦断面図、第２図（１），（
２），（３）は本発明の電池内ケースの縦断面図、第３
図は従来の有機電解液電池の縦断面図、第４図〜第６図
１ま電池厚さが厚い場合の縦断面図、第７図は電池内ケ
ースを使用した場合の縦断面図、第８図は放電特性図で
ある。
１・・・・・・封目板、２・・・・・・電池ケース、３
・・・・・・ガスケット、４・・・・・・正極、５・・
・・・・負極、６・・・・・・セパレータ、７・・・・
・・正極リング、８・・・・・・電池内ケース。FIG. 1 (1), (2), and (3) are longitudinal sectional views of an organic electrolyte battery according to an embodiment of the present invention, and FIG. 2 (1), (
2) and (3) are longitudinal sectional views of the battery inner case of the present invention, and the third
The figures are a vertical cross-sectional view of a conventional organic electrolyte battery, Figures 4 to 6 are vertical cross-sectional views when the battery is thick, Figure 7 is a vertical cross-sectional view when a battery inner case is used, Figure 8 is a discharge characteristic diagram. 1... Sealing plate, 2... Battery case, 3
...Gasket, 4...Positive electrode, 5...
... Negative electrode, 6 ... Separator, 7 ...
...Positive electrode ring, 8...Battery inner case.
Claims (3)
、有機電解液、セパレータよりなる発電要素を、封口板
、電池ケース、この両者間に介在するガスケット、及び
前記ガスケット底部にその上部外周平坦部、前記電池ケ
ース内底部にその下部平坦部が当接する断面逆ハット状
の電池内ケースによって密封した有機電解液電池であっ
て、前記電池内ケースの下部平坦部に、突起を設けたこ
とを特徴とする有機電解液電池。(1) A power generation element consisting of a positive electrode molded into a pellet, a negative electrode made of a light metal, an organic electrolyte, and a separator is placed on a sealing plate, a battery case, a gasket interposed between the two, and a flat portion on the upper outer periphery of the bottom of the gasket. , an organic electrolyte battery sealed by an inner battery case having an inverted hat-shaped cross section, the lower flat part of which is in contact with the inner bottom of the battery case, characterized in that the lower flat part of the battery inner case is provided with a protrusion. Organic electrolyte battery.
型しバネ効果を有する集電板を溶接したことを特徴とす
る特許請求の範囲第１項記載の有機電解液電池。(2) The organic electrolyte battery according to claim 1, characterized in that a current collector plate having a concave cross section and having a spring effect is welded to the inner surface of the lower flat part of the battery inner case.
抜き加工したことを特徴とする特許請求の範囲第１項記
載の有機電解液電池。(3) The organic electrolyte battery according to claim 1, wherein the lower flat part of the battery inner case is punched out to have a V-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15779889A JPH0322346A (en) | 1989-06-20 | 1989-06-20 | Organic electrolyte battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15779889A JPH0322346A (en) | 1989-06-20 | 1989-06-20 | Organic electrolyte battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0322346A true JPH0322346A (en) | 1991-01-30 |
Family
ID=15657521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15779889A Pending JPH0322346A (en) | 1989-06-20 | 1989-06-20 | Organic electrolyte battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322346A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100416080B1 (en) * | 1996-09-25 | 2004-03-26 | 삼성에스디아이 주식회사 | Battery with reinforcing structure for preventing expansion |
| JP2005243338A (en) * | 2004-02-25 | 2005-09-08 | Matsushita Electric Ind Co Ltd | Battery with terminal |
| JP2009259627A (en) * | 2008-04-17 | 2009-11-05 | Hitachi Maxell Ltd | Flat battery and tire air pressure detection sensor |
| JP2011129253A (en) * | 2009-12-15 | 2011-06-30 | Panasonic Corp | Coin-type cell |
| US8043740B2 (en) | 2007-03-19 | 2011-10-25 | Hitachi Maxell Energy, Ltd. | Flat-shaped battery |
-
1989
- 1989-06-20 JP JP15779889A patent/JPH0322346A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100416080B1 (en) * | 1996-09-25 | 2004-03-26 | 삼성에스디아이 주식회사 | Battery with reinforcing structure for preventing expansion |
| JP2005243338A (en) * | 2004-02-25 | 2005-09-08 | Matsushita Electric Ind Co Ltd | Battery with terminal |
| US8043740B2 (en) | 2007-03-19 | 2011-10-25 | Hitachi Maxell Energy, Ltd. | Flat-shaped battery |
| JP2009259627A (en) * | 2008-04-17 | 2009-11-05 | Hitachi Maxell Ltd | Flat battery and tire air pressure detection sensor |
| JP2011129253A (en) * | 2009-12-15 | 2011-06-30 | Panasonic Corp | Coin-type cell |
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