DE1012347B - Process for the production of a metallic solution electrode forming the container for a galvanic element - Google Patents
Process for the production of a metallic solution electrode forming the container for a galvanic elementInfo
- Publication number
- DE1012347B DE1012347B DEP13177A DEP0013177A DE1012347B DE 1012347 B DE1012347 B DE 1012347B DE P13177 A DEP13177 A DE P13177A DE P0013177 A DEP0013177 A DE P0013177A DE 1012347 B DE1012347 B DE 1012347B
- Authority
- DE
- Germany
- Prior art keywords
- container
- solution electrode
- galvanic element
- plastic
- metallic solution
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/08—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with cup-shaped electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
Verfahren zur Herstellung einer den Behälter für ein galvanisches Element bildenden metallischen Lösungselektrode Bei vielen galvanischen Elementen dient bekanntlich die Lösungselektrode gleichzeitig als Behälter für den Elektrolyt, für den Depolarisator und die positive Ableitungselektrode. Auch mit einem Verdickungsmittel stabilisierte Elektrolyte können unter dem Einfluß erhöhter Temperaturen, unter dem Einfluß der elektrochemischen Vorgänge während der Entladung oder unter dem Einfluß von Druck so weit verflüssigt werden, daß sie durch kleine Löcher in der den Behälter bildenden Lösungselektrode austreten und gegebenenfalls Kurzschlüsse mit benachbarten Elementen hervorrufen. Die Durchlöcherung der Lösungselektrode muß schon aus diesem Grunde vermieden werden. Ein zweiter Grund besteht darin, daß infolge der Durchlöcherung besagter, den Behälter oder einen Teil des Behälters bildenden Lösungselektrode, selbst wenn es nicht zum Austritt von Elektrolyt kommen sollte, Feuchtigkeit aus dem Elektrolyt abdunsten oder Luftsauerstoff und auch andere Bestandteile der Luft, beispielsweise Kohlensäure, in den Elektrolyt eindringen können.Process for the manufacture of the container for a galvanic Element-forming metallic solution electrode For many galvanic elements As is well known, the solution electrode also serves as a container for the electrolyte, for the depolarizer and the positive drain electrode. Also with a thickener stabilized electrolytes can under the influence of elevated temperatures, under the influence of the electrochemical processes during the discharge or under the Under the influence of pressure they can be liquefied to such an extent that they pass through small holes in the the solution electrode forming the container and possibly short circuits with neighboring elements. The perforation of the solution electrode must be avoided for this reason alone. A second reason is that as a result of the perforation of said container or part of the container forming solution electrode, even if there is no leakage of electrolyte should evaporate moisture from the electrolyte or atmospheric oxygen and others Components of the air, such as carbon dioxide, penetrate the electrolyte can.
Aus diesem Grunde hat man bereits vorgeschlagen, an Stelle der sonst notwendigerweise mit großem Metallüberschuß auszurüstenden und deshalb unwirtschaftlichen Lösungselektrode den Behälter, beispielsweise den Becher einer Rundzelle, aus Kunststoff, Glas oder einem sonstigen Isolator zu bilden und als Lösungselektrode eine der Kapazität des galvanischenEle-mentes verhältnismäßig genau an.gepaßte Zinkmenge, sei es in Form eines eingelegten Zinkblechstreifens, sei es in Form galvanischer Verzinkung, Bedampfung mit Zink oder Flammspritzung, einzubringen.For this reason, it has already been proposed to replace the otherwise necessarily to be equipped with a large excess of metal and therefore uneconomical Solution electrode the container, for example the beaker of a round cell, made of plastic, To form glass or another insulator and as a solution electrode one of the capacitance of the galvanic element comparatively precisely Form of an inserted strip of sheet zinc, be it in the form of galvanic zinc plating, Zinc vaporization or flame spraying should be introduced.
Den bisher vorgeschlagenen Verfahren haften fast stets die gleichen Nachteile an. Zunächst ist beim Einlegen eines Zinkblechstreifens nicht zu vermeiden, daß sich zwischen der Innenwand des Isoliergefäßes und dem Zinkblechstreifen Luftpolster und damit Stellen erhöhter Korrosion bilden. Dieser Nachteil wird durch das Aufbringen von Belägen zwar vermieden, dafür muß jedoch nunmehr jedes einzelne Isolierstoffgefäß an den entsprechenden Stellen innen mit einem Zinkbelag versehen werden, was beispielsweise das Flammspritzen völlig unmöglich macht, sofern es sich nicht um sehr große Becher handelt, und das Aufdampfen nur unter sehr großen Schwierigkeiten vonstatten gehen läßt.The methods proposed so far are almost always the same Disadvantages. First of all, when inserting a strip of zinc sheet, it cannot be avoided that there is air cushion between the inner wall of the insulating vessel and the zinc sheet strip and thus form areas of increased corrosion. This disadvantage is caused by the application Admittedly avoided from deposits, but now each individual insulating material container must be provided with a zinc coating on the inside at the appropriate places, for example makes flame spraying completely impossible, unless the cups are very large acts, and the vapor deposition take place only with great difficulty leaves.
Auf Grund des Verfahrens nach der Erfindung werden diese Nachteile vermieden und grundlegende technische Vorteile dadurch erzielt, daß aus einem Zinkblech und einer aufgelegten Schicht des Kunststoffes durch hohen Walzdruck eine Verbundfolie hergestellt und aus dieser durch Tiefziehen der Behälter kalt geformt wird. Erfindungsgemäß kann dabei auch ein durch Zusätze elektrisch leitfähig gemachter Kunststoff verwendet werden.Due to the method according to the invention, these disadvantages become avoided and fundamental technical advantages achieved by being made of a zinc sheet and a layer of plastic applied by high rolling pressure, a composite film and from this the container is cold formed by deep drawing. According to the invention a plastic made electrically conductive by additives can also be used will.
Auf diese Weise wird mittels des Verfahrens nach der Erfindung eine den Behälter für ein galvanisches Element bildende metallische Lösungselektrode @hergestellt, die an ihrer Außenseite mit einem Mantel aus elektrochemisch inertem, zähem, thermoplastischem Kunststoff dicht umkleidet und innig mit diesem verbunden ist.In this way, by means of the method according to the invention, a the metallic solution electrode forming the container for a galvanic element @ manufactured, which on their outside with a jacket made of electrochemically inert, tough, thermoplastic material is tightly clad and closely connected to it is.
Bei Verwendung eines inerten, leitfähigen Kunststoffes erzielt man den weiteren Vorteil, daß eine besondere Anschlußvorrichtung nicht mehr benötigt wird.When using an inert, conductive plastic one achieves the further advantage that a special connection device is no longer required will.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP13177A DE1012347B (en) | 1954-12-10 | 1954-12-10 | Process for the production of a metallic solution electrode forming the container for a galvanic element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP13177A DE1012347B (en) | 1954-12-10 | 1954-12-10 | Process for the production of a metallic solution electrode forming the container for a galvanic element |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1012347B true DE1012347B (en) | 1957-07-18 |
Family
ID=7364478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP13177A Pending DE1012347B (en) | 1954-12-10 | 1954-12-10 | Process for the production of a metallic solution electrode forming the container for a galvanic element |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1012347B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE290870C (en) * | ||||
GB129423A (en) * | 1918-07-08 | 1919-07-08 | Leo Rabinovitch | Improvements in Electric Batteries. |
FR602411A (en) * | 1924-11-27 | 1926-03-18 | Thomson Houston Comp Francaise | Method of manufacturing anodes for immobilized or initiable electrolyte cells |
DE631443C (en) * | 1931-06-22 | 1936-06-20 | Egbert Groove | Process for the production of zinc cups for dry batteries |
FR863608A (en) * | 1939-09-19 | 1941-04-05 | D Impressions Et De Cartonnage | Dry cell battery enhancements |
FR867601A (en) * | 1940-10-30 | 1941-11-18 | metallic cell element made up of layers of metal deposited on a neutral support | |
US2270185A (en) * | 1940-08-15 | 1942-01-13 | Dow Chemical Co | Simultaneous manufacture of containers and closures |
DE739042C (en) * | 1937-12-22 | 1943-09-09 | Kasimir Baumgarten | Cup-shaped zinc electrode for dry elements |
-
1954
- 1954-12-10 DE DEP13177A patent/DE1012347B/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE290870C (en) * | ||||
GB129423A (en) * | 1918-07-08 | 1919-07-08 | Leo Rabinovitch | Improvements in Electric Batteries. |
FR602411A (en) * | 1924-11-27 | 1926-03-18 | Thomson Houston Comp Francaise | Method of manufacturing anodes for immobilized or initiable electrolyte cells |
DE631443C (en) * | 1931-06-22 | 1936-06-20 | Egbert Groove | Process for the production of zinc cups for dry batteries |
DE739042C (en) * | 1937-12-22 | 1943-09-09 | Kasimir Baumgarten | Cup-shaped zinc electrode for dry elements |
FR863608A (en) * | 1939-09-19 | 1941-04-05 | D Impressions Et De Cartonnage | Dry cell battery enhancements |
US2270185A (en) * | 1940-08-15 | 1942-01-13 | Dow Chemical Co | Simultaneous manufacture of containers and closures |
FR867601A (en) * | 1940-10-30 | 1941-11-18 | metallic cell element made up of layers of metal deposited on a neutral support |
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