DE498217C - Galvanic element - Google Patents

Galvanic element

Info

Publication number
DE498217C
DE498217C DED58479D DED0058479D DE498217C DE 498217 C DE498217 C DE 498217C DE D58479 D DED58479 D DE D58479D DE D0058479 D DED0058479 D DE D0058479D DE 498217 C DE498217 C DE 498217C
Authority
DE
Germany
Prior art keywords
galvanic element
copper
galvanic
batteries
connections
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.)
Expired
Application number
DED58479D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DIAMCO AKT GES fur GLUEHLICHT
JOHANNES MICHAEL SCHMIERER
Original Assignee
DIAMCO AKT GES fur GLUEHLICHT
JOHANNES MICHAEL SCHMIERER
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DIAMCO AKT GES fur GLUEHLICHT, JOHANNES MICHAEL SCHMIERER filed Critical DIAMCO AKT GES fur GLUEHLICHT
Priority to DED58479D priority Critical patent/DE498217C/en
Application granted granted Critical
Publication of DE498217C publication Critical patent/DE498217C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Primary Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Description

Galvanisches Element Die Strornableitungsteile am negativen Pol der galvanischen Elemente, insbesondere die Verbindungen zwischen den einzelnen Zellen der galvanischen Batterien, bestehen gewöhnlich aus Kupferdraht. Dieser wird häufig verzinnt, wenn die Gefahr besteht, daß er durch die Ausdünstungen der Batterie oder durch kletternden Elektrolyten angegriff en werden kann. Eingehende Versuche haben aber gezeigt, daß auch die Verzinnung keinen dauernden Schutz gegen Korrosion gewährleistet, sie kann den Angriff verzögern, aber nicht vollständig verhindern. Um nun auch während großer Zeiträume einem Durchfressen der Verbindungen vorzubeugen, werden dieselben gemäß der Erfindung aus einer Legierung hergestellt, die im wesentlichen aus Eisen und Chrom besteht. Derartige Legierungen sind widerstandsfähig gegen Wasser und die Bestandteile der Luft: Sauerstoff und Kohlendioxyd. Sie sind ferner widerstandsfähig gegen die Salze elektropositiver Metalle sowie gegen Laugen und verdünnte Säuren. Die Widerstandsfähigkeit gegen bestimmte Elektrolyte kann durch geeignete Zusätze gesteigert werden, die jedoch nicht den Gegenstand der vorliegenden Erfindung bilden.Galvanic element The current dissipation parts at the negative pole of the galvanic elements, especially the connections between the individual cells of galvanic batteries, are usually made of copper wire. This becomes common tinned if there is a risk that it will be damaged by the vapors from the battery or can be attacked by climbing electrolytes. Have in-depth attempts but it has been shown that even tin-plating does not guarantee permanent protection against corrosion, it can delay the attack, but it cannot prevent it completely. To now also during To prevent the connections from being eaten through for long periods of time, the same will be the case made according to the invention from an alloy consisting essentially of iron and chrome is made. Such alloys are resistant to water and the components of the air: oxygen and carbon dioxide. They are also resilient against the salts of electropositive metals as well as against alkalis and diluted acids. The resistance to certain electrolytes can be increased by suitable additives are increased, which, however, do not form the subject of the present invention.

Die Erfindung ist in erster Linie bestimmt für Batterien, deren Elektrolyt Bestandteile enthält, die mit Kupfer komplexe Verbindun-(-en einzugehen vermögen. Ein derartiger Stoff ist beispielsweise der Salmiak, der das Erregersalz der meisten Trockenbatterien bildet. Solange man sich bei den Taschenlampen- und Anodenbatterien mit einer Lebensdauer von einigen Monaten begnügt hatte, war die Verwendung von Verbindungsdrähten aus Kupfer unbedenklich. Nachdem es aber gelungen ist, die Haltbarkeit und Leistungsfähigkeit der Trockenelemente so weit zu verbessern, daß man eine Lebensdauer von einem Jahr und darüber erwartet, erscheint die Verwendung kupferner Drähte unzulässig. Dieselben sind zwar normalerweise in Vergußmasse eingebettet, doch können sich durch Stoß oder Wärniewirkung Haarrisse bilden, durch die der salmiakhaltige Elektrolyt biszudenKupferdrähtengelan,gt. Diesewerden dann angegriffen, obwohl das Kupfer elektronegativer ist als das Zink, weil es in komplexer Form gebunden wird. Die Bildung dieser komplexen Verbindungen geschieht unter beträchtlicher Raumausdehnung, wodurch sich die feinen Risse allmählich verbreitern. Hierdurch kann schließlich so viel Elektrolyt zum Draht gelangen, daß er vollständig durchgefressen wird, lange bevor die Elemente erschöpft sind. Eine Ausbesserung ist mit einfachen Mitteln um so weniger möglich, als der Störungsherd innerhalb der Vergußmasse liegt und daher von außen gar nicht erkennbar ist.- Durch- die Erfindung wird diesem vorzeitigen Versagien der Batterien vorgebeugt.The invention is primarily intended for batteries, their electrolyte Contains components that are capable of forming complex compounds with copper. One such substance is, for example, ammonia, which is the pathogen salt of most Forms dry batteries. As long as you stick to the flashlight and anode batteries content with a lifespan of a few months was the use of Connection wires made of copper are harmless. But after it has succeeded, the shelf life and to improve the performance of the drying elements so much that one has a lifetime expected from a year and more, the use of copper wires seems to be inadmissible. The same are usually embedded in potting compound, but can penetrate Impact or heat effects form hairline cracks through which the electrolyte containing ammonia up to the copper wires,> These are then attacked, although the copper is more electronegative than zinc because it is bound in a complex form. The formation of this complex Connections take place under a considerable amount of space, which makes the fine Gradually widen cracks. This ultimately allows so much electrolyte to be used Wire reach that it is completely eaten through long before the elements are exhausted. A mend is so with simple means less possible than the trouble spot is within the potting compound and therefore from the outside is not at all recognizable.- By- the invention makes this premature Battery failure prevented.

Claims (1)

PATENTANSPRUCH: Galvanisches Element, dadurch gekennzeichnet, daß der Stromableitungsteil des negativen Pols aus einer Legierung besteht, in der hauptsächlich Chrom und Eisen enthalten sind.PATENT CLAIM: Galvanic element, characterized in that the negative pole current dissipation part is made of an alloy in which mainly Chromium and iron are included.
DED58479D 1929-05-25 1929-05-25 Galvanic element Expired DE498217C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED58479D DE498217C (en) 1929-05-25 1929-05-25 Galvanic element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED58479D DE498217C (en) 1929-05-25 1929-05-25 Galvanic element

Publications (1)

Publication Number Publication Date
DE498217C true DE498217C (en) 1930-05-19

Family

ID=7057439

Family Applications (1)

Application Number Title Priority Date Filing Date
DED58479D Expired DE498217C (en) 1929-05-25 1929-05-25 Galvanic element

Country Status (1)

Country Link
DE (1) DE498217C (en)

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