JPS5991660A - Organic electrolyte battery - Google Patents
Organic electrolyte batteryInfo
- Publication number
- JPS5991660A JPS5991660A JP57203252A JP20325282A JPS5991660A JP S5991660 A JPS5991660 A JP S5991660A JP 57203252 A JP57203252 A JP 57203252A JP 20325282 A JP20325282 A JP 20325282A JP S5991660 A JPS5991660 A JP S5991660A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- vinyl acetate
- sealing plate
- organic electrolyte
- annular gasket
- 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
- 239000005486 organic electrolyte Substances 0.000 title claims abstract description 14
- 229920001577 copolymer Polymers 0.000 claims abstract description 17
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000010426 asphalt Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000000565 sealant Substances 0.000 claims description 27
- 239000003792 electrolyte Substances 0.000 claims description 9
- 229920001519 homopolymer Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 31
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 7
- 239000010935 stainless steel Substances 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 6
- 239000003960 organic solvent Substances 0.000 abstract description 5
- 239000007774 positive electrode material Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 abstract description 3
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- -1 polypropylene Polymers 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 3
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229960004643 cupric oxide Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 1
- GXIWMALOYDSQMW-UHFFFAOYSA-N ClCl(=O)=O Chemical compound ClCl(=O)=O GXIWMALOYDSQMW-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 241001185311 Lyticum Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- NFMAZVUSKIJEIH-UHFFFAOYSA-N bis(sulfanylidene)iron Chemical compound S=[Fe]=S NFMAZVUSKIJEIH-UHFFFAOYSA-N 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000339 iron disulfide Inorganic materials 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
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/191—Inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は軽金属を負、販に用いた有機電解質電池の改良
に係り、耐漏液性の向上と貯蔵性能の向上をはかること
を目的とする。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvement of an organic electrolyte battery using a light metal as a negative material, and aims to improve leakage resistance and storage performance.
一般に軽金属を負極に用いた有機電解質電池では、耐有
機溶媒性を有するポリプロピレン製の環状ガスケットを
電池ケースの開口部と封口板の間に配設し、電池ケース
の開口端部の内方への締め付は釦より環状ガスケットを
電池ケースの開口端部と封目板の周縁部忙圧接させて密
封する封口構造が採用されている。Generally, in organic electrolyte batteries that use a light metal as the negative electrode, an annular gasket made of polypropylene that is resistant to organic solvents is placed between the opening of the battery case and the sealing plate, and the opening end of the battery case is tightened inward. A sealing structure is adopted in which an annular gasket is pressed into contact with the open end of the battery case and the peripheral edge of the sealing plate from the button to create a seal.
ところが、電池ケースや封口板の表面に存在する傷や環
状ガスケット自身の傷によって、電池ケースとガスケッ
トとの接面や封目板とガスグツトとの接面にどうしても
微細な間隙が存在し、この間隙を通って電解液が電池外
部へ漏出したり、また該間隙を通って空気中の水分が電
池内に侵入し、リチクムやナトリウムなどの軽金属負極
と反応して電池の内部抵抗の増加を引き起すという問題
がある。However, due to scratches on the surface of the battery case and sealing plate, as well as scratches on the annular gasket itself, minute gaps inevitably exist at the contact surfaces between the battery case and the gasket, and between the sealing plate and the gas grip. The electrolyte leaks out of the battery through the gap, and moisture in the air enters the battery through the gap and reacts with the light metal negative electrode such as lyticum or sodium, causing an increase in the internal resistance of the battery. There is a problem.
本発明者らはそのような事情に鑑み、ガスグツトと電池
ケースとの間やガスケットと封口板との間にシール剤を
介在させることによって耐漏液性を向上させ併せて貯蔵
中における内部抵抗の増加を抑制すべく種々研呪を重ね
た結果、ストレートアスファルトに酢酸ビニルの単独重
合体または共重合体を添加してシール剤として用いると
きは、耐漏液性が良好でかつ貯蔵中における内部抵抗の
増加が少ない有機電解質電池が得られることを見出し、
本発明を完成するＫいたった。In view of such circumstances, the inventors of the present invention interposed sealants between the gas gut and the battery case and between the gasket and the sealing plate to improve leakage resistance and to increase internal resistance during storage. As a result of various efforts to suppress this phenomenon, we have found that when a vinyl acetate homopolymer or copolymer is added to straight asphalt and used as a sealant, it has good leakage resistance and increases internal resistance during storage. discovered that an organic electrolyte battery with less
K completed the present invention.
本発明においては、上述のようにストレートアスファル
トに酢酸ビミニルの単独重合体または共重合体を添加す
るが、その際の酢酸ビニルの共重合体としては、例えば
酢酸ビニルとエチレンとの共重合体、酢酸ビニルとアク
リル酸エステルとの共重合体、酢酸ビニルと塩化ビニル
との共重合体、酢酸ビニルとビニルエーテルとの共重合
体、酢酸ビニルとビニルエステルとの共重合体などが用
いられる。そして、ストレートアスファルトへの酢酸ビ
ニルの単独重合体または共重合体の添加量としては０．
２〜６．０４（重ｆＩＬ係、以下同様）の範囲が好まし
い。これは、酢酸ビニルの単独電合体または共重合体の
添加量が０．２％より少ないとシール剤と環状ガスケッ
トとの接着性が悪く、逆に６％を超えるとシール剤が電
解液と反応して電池特性の低下を招くおそれがあるから
である。In the present invention, a homopolymer or copolymer of vinyl acetate is added to straight asphalt as described above, and examples of the copolymer of vinyl acetate include, for example, a copolymer of vinyl acetate and ethylene; Copolymers of vinyl acetate and acrylic esters, copolymers of vinyl acetate and vinyl chloride, copolymers of vinyl acetate and vinyl ether, copolymers of vinyl acetate and vinyl esters, etc. are used. The amount of vinyl acetate homopolymer or copolymer added to straight asphalt is 0.
A range of 2 to 6.04 (heavy fIL ratio, hereinafter the same) is preferable. This is because if the amount of the vinyl acetate homopolymer or copolymer added is less than 0.2%, the adhesion between the sealant and the annular gasket will be poor, and if it exceeds 6%, the sealant will react with the electrolyte. This is because there is a risk that the battery characteristics will deteriorate.
そして、上述のシール剤は使用に際して、トルエン、キ
シレンなどの有機溶媒に溶解され、溶液状で環状ガスケ
ット、電池ケース、封口板などの所望位置に塗布される
。そしてそれらシール剤の塗布された部材は、乾燥して
有機溶媒を除去したのち、電池組立忙供される。When the sealant is used, it is dissolved in an organic solvent such as toluene or xylene, and applied as a solution to a desired position such as an annular gasket, a battery case, or a sealing plate. After the members coated with the sealant are dried to remove the organic solvent, they are used for battery assembly.
前記のシール剤は電解液に対しては耐性が良好であり、
それ故、電解液に使用する有機溶媒は特に制限を受けな
い。従って電解液としてはこの種電池に通常使用される
ようなものがすべて使用でき、例えばプロピレンカーボ
ネート、ｒ−ブチロラクトン、テトラヒドロフラン、１
．２−ジメトキシエタン、ジオキソランなどの単独また
は２種以上の混合溶媒忙過塩素酸すチクム、ホクフツ化
すチクムなどの電解質を溶解させたものが好ましく使用
される。The above sealant has good resistance to electrolytes,
Therefore, the organic solvent used in the electrolyte is not particularly limited. Therefore, as the electrolyte, all those commonly used in this type of battery can be used, such as propylene carbonate, r-butyrolactone, tetrahydrofuran,
．． Preferably used is a solvent such as 2-dimethoxyethane or dioxolane, or a mixed solvent of two or more thereof, in which an electrolyte such as chloric acid chloride or chlorinated chloride is dissolved.
本発明の電池において負極活物質としては、例えばリチ
ウム、ナトリウム、゛マグネシウム、アルミニウムなど
が用いられ、正極活物質としては例えば二酸化マンガン
、フッ化炭素、硫化鉄、酸化鋼などが単独でまたは２種
以上混合して用いられる。In the battery of the present invention, as the negative electrode active material, for example, lithium, sodium, magnesium, aluminum, etc. are used, and as the positive electrode active material, for example, manganese dioxide, carbon fluoride, iron sulfide, oxidized steel, etc. are used alone or in combination. A mixture of the above is used.
つぎに本発明の実施例を図面とともに説明する。Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明の有機電解質電池の一実施例を示す部分
断面図であり、第２図はその要部拡大図である。FIG. 1 is a partial sectional view showing an embodiment of the organic electrolyte battery of the present invention, and FIG. 2 is an enlarged view of the main parts thereof.
図示の本発明電池はプロピレンカーボネートト１．８−
ジオキソランとの容量比が１：１の混合溶媒忙過塩素酸
すチクムを０．５モル／ｌ溶解させた電解液を用い、電
池寸法が直径１１．５ｍ、高さ８．０６ ａｍのボタン
形電池である。図面忙おいて、（１）は負極端子を兼ね
るニッケルーステンレス鋼クラッド板製の封目板であり
、この封口板（１）の内面にステンレス鋼製の網（２）
がスポット溶接され、該網部分（２）にリチウムが圧着
されて負極（３）が形成されている。The illustrated battery of the present invention is made of propylene carbonate 1.8-
A button-shaped battery with dimensions of 11.5 m in diameter and 8.06 am in height is used, using an electrolyte in which 0.5 mol/l of chloric acid is dissolved in a mixed solvent with a volume ratio of 1:1 with dioxolane. It's a battery. In the drawing, (1) is a sealing plate made of a nickel-stainless steel clad plate that also serves as a negative electrode terminal, and a stainless steel mesh (2) is attached to the inner surface of this sealing plate (1).
are spot welded, and lithium is pressed onto the net portion (2) to form a negative electrode (3).
（４）は二酸化マンガン、フッ化炭素、硫化鉄、酸化銅
などの正極活物質を主成分とする正極合剤を成形して形
成した正極で、（６）はステンレス鋼製の環状台座であ
り、（６）は微孔性ポリプロピレンフィルムを２枚積重
してなるセパレータである。（７）は正極端子を兼ねる
電池ケースで、この電池ケース（７）は鉄製で表面にニ
ッケルメッキを施したものあるいはステンレス鋼、ニッ
ケルーステンレス鋼クラツド板などで構成される。(4) is a positive electrode formed by molding a positive electrode mixture whose main components are positive electrode active materials such as manganese dioxide, carbon fluoride, iron sulfide, and copper oxide, and (6) is an annular pedestal made of stainless steel. , (6) is a separator made by stacking two microporous polypropylene films. (7) is a battery case which also serves as a positive terminal, and this battery case (7) is made of iron with nickel plating on the surface, stainless steel, nickel-stainless steel clad plate, etc.
（８）はポリプロピレン製の環状ガスグツトで、（９）
はストレートアスツアル）Ｋ酢酸ビニルの単独重合体ま
たは共重合体を添加してなるシール剤であり、上記環状
ガスケット（８）は前記封口板（１）の周縁折り返し部
に嵌合され、電池ケース（７）の開口端部の内方への締
付けにより前記シール剤（９）を介して電池ケース（７
）と封口板（１１Ｋ圧接し電池内部を密閉構造にしてい
る。(8) is an annular gas grip made of polypropylene, (9)
is a sealant made by adding a homopolymer or copolymer of straight astral) K vinyl acetate, and the annular gasket (8) is fitted into the circumferential folded portion of the sealing plate (1), and the sealant is attached to the battery case. By tightening the opening end of (7) inward, the sealant (9) is applied to the battery case (7).
) and a sealing plate (11K pressure bonded to create a sealed structure inside the battery.
つぎに、二硫化鉄と酸化第二銅との重量比が１：１の混
合物を正極活物質として用い、環状ガスケットにシール
剤を塗布して前記のような構成に仕上げた本発明の電池
Ａとシール剤を塗布していない電池Ｂを６０℃、相対湿
度９（ｌの高温高湿条件下忙所定期間貯蔵したときの漏
液発生電池個数と電池の内部抵抗変化を調べ、その結果
をそれぞれ第１表と第８図に示した。Next, a battery A of the present invention was prepared using a mixture of iron disulfide and cupric oxide in a weight ratio of 1:1 as a positive electrode active material, and a sealant was applied to the annular gasket to obtain the above-described structure. The number of leaking batteries and the change in internal resistance of the batteries were investigated when batteries B and B without any sealant were stored for a specified period of time under high temperature and high humidity conditions of 60°C and relative humidity of 9 (l), and the results were calculated respectively. It is shown in Table 1 and Figure 8.
なお、本発明の電池Ａにおいて、環状ガスケットへのシ
ール剤の塗布は、ストレートアスファルトに酢酸ビニル
とエチレンとの共重合体を１％＠加してなるシール剤６
部（重量部、以下同様）をトルエン９６部に溶解させた
液に環状ガスケットを浸漬することによ２て行ない、塗
布後、６０℃で２時間真空乾燥した。In the battery A of the present invention, the sealant is applied to the annular gasket using sealant 6, which is made by adding 1% of a copolymer of vinyl acetate and ethylene to straight asphalt.
The annular gasket was immersed in a solution of 96 parts of toluene dissolved in 96 parts of toluene, and after coating, it was vacuum dried at 60° C. for 2 hours.
第 １ 表
つぎに、二酸化マンガンを正極活物質として用い、電解
液としてプロピレンカーボネート、１！−１，２−ジメ
トキシエタンとの容量比が２：ｌの混合溶媒に過塩素酸
リチウムを０．５モル／ｌ溶解させたものを用い、シー
ル剤を塗布した本発明の電池Ｃとシール剤を塗布してい
ない従来電池りを６０℃、相対湿度９（ｌの高温高湿条
件下に所定期間貯蔵した表きの漏液発生電池個数と内部
抵抗変化を調べ、漏液発生電池個数を第２表に、また電
池の内部抵抗変化を第４図に示した。Table 1 Next, manganese dioxide was used as the positive electrode active material, propylene carbonate was used as the electrolyte, and 1! -Battery C of the present invention coated with a sealant using 0.5 mol/l of lithium perchlorate dissolved in a mixed solvent with a volume ratio of 2:l with 1,2-dimethoxyethane and the sealant Conventional battery cell without coating was stored for a specified period under high temperature and high humidity conditions of 60°C and relative humidity of 9 liters.The number of leaking batteries and internal resistance change were investigated, and the number of leaking batteries was calculated as follows. Table 2 shows the internal resistance change of the battery, and FIG. 4 shows the internal resistance change of the battery.
なお、これらの電池ＣおよびＤでは両電池とも電池ケー
スの開口端部にアタクチックポリプロピ 。Note that both batteries C and D have atactic polypropylene at the open end of the battery case.
レン皮膜を形成させている。それ故、本発明の電池Ｃで
は、電池ケースと環状ガスケットとの接面側はそのまま
にし、封目板と環状ガスケットとの接面側にのみストレ
ートアスファルトに酢酸ビニルとエチレンとの共重合体
を１％ｍ加してなるシール剤を封目板の周縁折り返し部
に塗布するととＫよって介在させ、電池ケースＤでは封
目板と環状ガスケットとの接面にはシール剤をまったく
使用しなかった。Forms a resin film. Therefore, in Battery C of the present invention, the contact surface between the battery case and the annular gasket is left as is, and the copolymer of vinyl acetate and ethylene is applied to the straight asphalt only on the contact surface between the sealing plate and the annular gasket. When a sealing agent containing 1% m was applied to the folded edge of the sealing plate, it was interposed by K, and in battery case D, no sealing agent was used at all on the contact surface between the sealing plate and the annular gasket. .
第 ２ 表
なお実施例ではシール剤を環状ガスケットと電池ケース
との間および環状ガスケットと封口板との開の両方に介
在させる場合と、シール剤を環状ガスケットと封目板と
の間に介在させ、電池ケースと環状ガスグツトとの間に
はアククチツクポリプロピレン皮膜を介在させた場合を
例示したが、それのみ忙限らず、環状ガスケットと電池
ケースとの間にシール剤を介在させ、封口板と環状ガス
ケットとの間にはアククチツクポリプロピレン皮膜など
の他のシール作用を持つものを介在させてもよい。In Table 2, the examples show cases in which the sealant is interposed between the annular gasket and the battery case and both at the opening between the annular gasket and the sealing plate, and cases in which the sealant is interposed between the annular gasket and the sealing plate. In this example, an active polypropylene film is interposed between the battery case and the annular gasket, but this is not the only example. Another material having a sealing effect, such as an active polypropylene film, may be interposed between the annular gasket and the annular gasket.
また実施例ではシール剤を環状ガスケットと電池ケース
との間および環状ガスケットと封口板との間の両方に介
在させる場合において、シール剤を環状ガスケットのみ
に塗布する例を示したが、電池ケースの環状ガスケット
との当接面や封口板の環状ガスケットとの当接面にシー
ル剤を塗布してもよいし、また、それらにシール剤を塗
布した上でさらに環状ガスケットにシール剤を塗布して
もよい。また封目板と環状ガスケットとの間にシール剤
を介在させる場合において封目板圧シール剤を塗布した
例を示したが、環状ガスケット側にシール剤を塗布して
もよいし、またシール剤を環状ガスケットと封口板の両
方に塗布しても同様の効果が得られる。In addition, in the example, when the sealant is interposed both between the annular gasket and the battery case and between the annular gasket and the sealing plate, an example is shown in which the sealant is applied only to the annular gasket. You can apply a sealant to the contact surface with the annular gasket or the contact surface of the sealing plate with the annular gasket, or you can apply the sealant to these and then apply the sealant to the annular gasket. Good too. Furthermore, in the case where a sealant is interposed between the sealing plate and the annular gasket, an example in which the sealing plate pressure sealing agent is applied is shown, but the sealing agent may also be applied to the annular gasket side. A similar effect can be obtained by applying it to both the annular gasket and the sealing plate.
第１図は本発明の有機電解質電池の一実施例を示す部分
断面図、第°２図はその要部拡大図である。
第８図および第４図は本発明の有機電解質電池と従来の
有機電解質電池の貯蔵に伴なう内部抵抗変化を示す図で
ある。
（１）・・・封目板、 （３）・・・負極、 （４）・
・・正極、（７）・・・電池ケース、（８）・・・環状
ガスケット、（９）・・・シール剤
特許出願人 日立マクセル株式会社FIG. 1 is a partial sectional view showing an embodiment of the organic electrolyte battery of the present invention, and FIG. 2 is an enlarged view of the main parts thereof. FIG. 8 and FIG. 4 are diagrams showing changes in internal resistance during storage of the organic electrolyte battery of the present invention and the conventional organic electrolyte battery. (1)... Sealing plate, (3)... Negative electrode, (4)...
...Positive electrode, (7)...Battery case, (8)...Annular gasket, (9)...Sealant patent applicant Hitachi Maxell, Ltd.
Claims (1)
てなる有機電解質電池において、ストレートアスファル
トに酢酸ビニルの単独重合体または共重合体を添加して
なるシール剤を用いたことを特徴とする有機電解質電池
。 ２、 酢酸ビニルの単独重合体または共重合体の添加量
がシール剤中０．２〜５．０重１ｌｑｂである特許請求
の範凹第１項記載の有機電解質電池。[Scope of Claims] 1. In an organic electrolyte battery comprising a light metal negative and positive electrode and an organic electrolyte electrolyte, a sealant made by adding a vinyl acetate homopolymer or copolymer to straight asphalt is used. An organic electrolyte battery characterized by: 2. The organic electrolyte battery according to claim 1, wherein the vinyl acetate homopolymer or copolymer is added in an amount of 0.2 to 5.0 weight/lqb in the sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57203252A JPS5991660A (en) | 1982-11-18 | 1982-11-18 | Organic electrolyte battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57203252A JPS5991660A (en) | 1982-11-18 | 1982-11-18 | Organic electrolyte battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5991660A true JPS5991660A (en) | 1984-05-26 |
| JPH0524623B2 JPH0524623B2 (en) | 1993-04-08 |
Family
ID=16470942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57203252A Granted JPS5991660A (en) | 1982-11-18 | 1982-11-18 | Organic electrolyte battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5991660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9601726B2 (en) | 2012-09-11 | 2017-03-21 | Zeon Corporation | Sealing material for secondary battery and sealing material composition for secondary battery |
-
1982
- 1982-11-18 JP JP57203252A patent/JPS5991660A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9601726B2 (en) | 2012-09-11 | 2017-03-21 | Zeon Corporation | Sealing material for secondary battery and sealing material composition for secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0524623B2 (en) | 1993-04-08 |
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