JPH0426051A - Organic electrolyte battery - Google Patents
Organic electrolyte batteryInfo
- Publication number
- JPH0426051A JPH0426051A JP12961990A JP12961990A JPH0426051A JP H0426051 A JPH0426051 A JP H0426051A JP 12961990 A JP12961990 A JP 12961990A JP 12961990 A JP12961990 A JP 12961990A JP H0426051 A JPH0426051 A JP H0426051A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- positive pole
- inner case
- organic electrolyte
- positive electrode
- 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 description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000008188 pellet Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 1
- 238000010248 power generation Methods 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 abstract description 6
- -1 polypropylene Polymers 0.000 abstract description 6
- 229920001155 polypropylene Polymers 0.000 abstract description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 2
- 239000011149 active material Substances 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 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
- FBDMJGHBCPNRGF-UHFFFAOYSA-M [OH-].[Li+].[O-2].[Mn+2] Chemical compound [OH-].[Li+].[O-2].[Mn+2] FBDMJGHBCPNRGF-UHFFFAOYSA-M 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte 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
- 239000012046 mixed solvent Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 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2図に示すような
構成であった。第2図において、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はポリプ
ロピレンからなるガスケット、6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。BACKGROUND OF THE INVENTION Conventionally, this type of organic electrolyte battery has had a structure as shown in FIG. In FIG. 2, 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, 6 is lithium which is a negative electrode active material, 6 is a separator made of polypropylene, etc., 7
is the positive ring.
発明が解決しようとする課萌
このような従来構成を応用して、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。Problems to be Solved by the Invention The following three types of configuration methods can be considered when the battery is thick by applying such a conventional configuration.
(1)第3図のように、封口板1の折り返し部(a)
v寸法を長くする方法。(1) As shown in Figure 3, the folded part (a) of the sealing plate 1
How to lengthen the v dimension.
(2)第4図のように、封口板1のR部(b)の形状を
変化させる方法。(2) A method of changing the shape of the R portion (b) of the sealing plate 1 as shown in FIG.
+3)第5図のように、ガスケノと3の底部厚さfc)
を厚くする方法。+3) As shown in Figure 5, the bottom thickness of Gaskeno and 3 fc)
How to make it thicker.
しかし、これら3種の方法を用いることによシ5耐漏液
注能が悪化することが間萌になっている。However, the use of these three methods often results in a deterioration in leakage resistance.
課題を解決するための手段
これらの問題を解決するために、本発明は断面逆り字状
の電池内ケースおよび正極合剤の側面をおおう正!jリ
ングを設け、両者を遇池内ケース端面にて当接させたも
のである。Means for Solving the Problems In order to solve these problems, the present invention provides a positive electrode that covers the inside of the battery case, which has an inverted cross section, and the side surface of the positive electrode mixture. A J-ring is provided, and the two are brought into contact at the end of the case inside the reservoir.
作用
この構成により、電池の耐漏液性を低下させることなく
、又放電中の電圧の安定性を確保することができる。Function: With this configuration, it is possible to ensure voltage stability during discharge without reducing the leakage resistance of the battery.
実施例
本発明の実施例を、径2Qff1m、高さ5−0mmつ
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 will be described using a lithium manganese dioxide battery with a diameter of 2 Qff1 m and a height of 5-0 mm.
第1図(1)(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
封口板、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、結着材よシなる三原合剤であり
、ペレット状に成形している。5は負極活物質であるリ
チウム、6はポリプロピレン製のセパレータ、8は断面
逆り字状の電池内ケース、9は正極リングである。電解
液には、炭酸プロピレンと1,2ジメトキシエタンとの
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。本実施例をム、従来列をB(第3図)、C(第4図
)、D(第6図)とした際の耐漏液汁を第1表に示す。FIG. 1 (1) is a vertical cross-sectional view of a battery in an embodiment of the present invention. In the figure, 1 is a stainless steel sealing plate that also serves as a negative electrode terminal, 2 is a stainless steel battery case that also serves as a positive terminal, 3 is a gasket made of polypropylene, 4 is a ternary mixture of manganese dioxide, a conductive material, and a binder, which are molded into pellets. 5 is lithium, which is a negative electrode active material, and 6 is a separator made of polypropylene. , 8 is a battery case with an inverted cross section, and 9 is a positive electrode ring.The electrolyte used was lithium perchlorate dissolved in a mixed solvent of propylene carbonate and 1,2 dimethoxyethane. Table 1 shows the leakage resistance when the present example is designated as M, and the conventional rows are designated as B (FIG. 3), C (FIG. 4), and D (FIG. 6).
第 表 従来構造では、耐漏液性が劣ることがわかる。No. table It can be seen that the conventional structure has poor leakage resistance.
本発明において、正極合剤の側面をおおう正極リングは
、放電中の電池内部の接触を良好に保つ役割りをはたす
が、電池内ケースとの位置関係第1図(ム)部を第1図
(2)に示すように正極リング側面と電池ケース端面と
を当接さ亡る場合、第1図(3)。In the present invention, the positive electrode ring that covers the side surface of the positive electrode mixture plays the role of maintaining good contact inside the battery during discharging. If the side surface of the positive electrode ring and the end surface of the battery case fail as shown in (2), FIG. 1 (3).
(4)に示すように電池ケース端面に平面(a) 、
(b)をもうけ、正極リングと当接させることにより、
放電中の正極集電面積を増加させることができ、第6図
FA>に示すように当接させない場合(E)に比較して
内部抵抗が低い値となり、放電電圧も上昇し、放電容量
も大となる。As shown in (4), there is a flat surface (a) on the end surface of the battery case,
(b) and by bringing it into contact with the positive electrode ring,
It is possible to increase the current collecting area of the positive electrode during discharge, and as shown in Figure 6 FA, the internal resistance becomes lower than in the case of no contact (E), the discharge voltage increases, and the discharge capacity also decreases. Becomes large.
発明の効果
以上のように、本発明によれば耐漏液性がすぐれ、かつ
放電特性がすぐれた電池を得られる効果がある。Effects of the Invention As described above, the present invention has the effect of providing a battery with excellent leakage resistance and excellent discharge characteristics.
第1図(1)は本発明の実施例による有機電解液電池の
縦断面図、@1図(2) # (3) 、 (4)は本
発明の実施(列による有機電解液電池の一部縦断面図、
第2図は従来の有機電解i電池の縦断面図、第3図〜第
6図は電池厚さが厚い場合の縦断面図、第6図は放電特
性を示す図である。
1・・・・・・封口板、2・・・・・・電池ケース、3
・・・・ガスケット、4・・・・・・正極、6・・・・
・負極、6・・・・・セパレータ、7・・・・正極リン
グ、8・・・・・・電池内ケース。
代理人の氏名 弁理士 粟 野 重 孝 ほか1名(−
t:rot陸
ぜ−t:、tグス
ク一一−!rスゲ ・卜
セ八′LQFigure 1 (1) is a vertical cross-sectional view of an organic electrolyte battery according to an embodiment of the present invention, and Figure 1 (2) # (3) and (4) are views of an organic electrolyte battery according to an embodiment of the present invention (an organic electrolyte battery in rows). vertical sectional view,
FIG. 2 is a longitudinal sectional view of a conventional organic electrolytic i-cell, FIGS. 3 to 6 are longitudinal sectional views of a thick battery, and FIG. 6 is a diagram showing discharge characteristics. 1...Sealing plate, 2...Battery case, 3
...Gasket, 4...Positive electrode, 6...
・Negative electrode, 6... Separator, 7... Positive electrode ring, 8... Battery inner case. Name of agent: Patent attorney Shigetaka Awano and one other person (-
t:rot land-t:, tgusuku 11-! r Suge ・Busehachi'LQ
Claims (1)
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で密封し、
前記ガスケット底部にその上部外周平坦部が当接する断
面逆L字状の電池内ケース、この電池内ケース内周端面
に当接する正極リングを備えたことを特徴とする有機電
解液電池。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 sealed with a sealing plate, a battery case, and a gasket interposed between the two.
An organic electrolyte battery comprising: a battery inner case having an inverted L-shaped cross section, the upper peripheral flat part of which contacts the gasket bottom; and a positive electrode ring contacting the inner peripheral end surface of the battery inner case.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12961990A JPH0426051A (en) | 1990-05-18 | 1990-05-18 | Organic electrolyte battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12961990A JPH0426051A (en) | 1990-05-18 | 1990-05-18 | Organic electrolyte battery |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0426051A true JPH0426051A (en) | 1992-01-29 |
Family
ID=15013951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12961990A Pending JPH0426051A (en) | 1990-05-18 | 1990-05-18 | Organic electrolyte battery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0426051A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5250467A (en) * | 1991-03-29 | 1993-10-05 | Applied Materials, Inc. | Method for forming low resistance and low defect density tungsten contacts to silicon semiconductor wafer |
WO2014076894A1 (en) * | 2012-11-19 | 2014-05-22 | パナソニック株式会社 | Flat battery |
-
1990
- 1990-05-18 JP JP12961990A patent/JPH0426051A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5250467A (en) * | 1991-03-29 | 1993-10-05 | Applied Materials, Inc. | Method for forming low resistance and low defect density tungsten contacts to silicon semiconductor wafer |
WO2014076894A1 (en) * | 2012-11-19 | 2014-05-22 | パナソニック株式会社 | Flat battery |
CN104838528A (en) * | 2012-11-19 | 2015-08-12 | 松下知识产权经营株式会社 | Flat battery |
JP6008337B2 (en) * | 2012-11-19 | 2016-10-19 | パナソニックIpマネジメント株式会社 | Flat battery |
JPWO2014076894A1 (en) * | 2012-11-19 | 2017-01-05 | パナソニックIpマネジメント株式会社 | Flat battery |
US9577238B2 (en) | 2012-11-19 | 2017-02-21 | Panasonic Intellectual Property Management Co., Ltd. | Flat-shaped battery |
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