DE347906C - Galvanic element - Google Patents

Galvanic element

Info

Publication number
DE347906C
DE347906C DE1918347906D DE347906DD DE347906C DE 347906 C DE347906 C DE 347906C DE 1918347906 D DE1918347906 D DE 1918347906D DE 347906D D DE347906D D DE 347906DD DE 347906 C DE347906 C DE 347906C
Authority
DE
Germany
Prior art keywords
zinc
galvanic element
elements
electrode
negative pole
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
DE1918347906D
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE347906C publication Critical patent/DE347906C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/06—Electrodes for primary cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/06—Electrodes for primary cells
    • H01M4/08—Processes of manufacture
    • H01M4/12—Processes of manufacture of consumable metal or alloy electrodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Description

Die längst bekannten und meist gebräuchlichen Salmiakelemente besitzen negative Polelektroden aus amalgamiertem Zink. Nach einem bekannten Vorschlage sollen diese Elektroden aus zwei Zinkzylindern hergestellt werden, die konzentrisch angeordnet sind, wobei der der positiven Polelektrode zugewendete Zylinder auch aus mit Durchbrechungen versehenem Zinkblech oder aus Zinkgeflecht hergestellt werden kann. Der gebildete Hohlraum dieses Verbundzylinders soll mit Zinkamalgam gefüllt werden.The long-known and mostly common salmiac elements have negative pole electrodes made of amalgamated zinc. According to a known proposal, these electrodes should are made from two zinc cylinders arranged concentrically, The cylinder facing the positive pole electrode also has openings provided zinc sheet or made of zinc mesh. The educated The cavity of this composite cylinder is to be filled with zinc amalgam.

Dieser Vorschlag bezog sich nicht auf galvanische Elemente mit verdicktem alkalischen Elektrolyt. Es hat sich nun gezeigt, daß für solche Elemente die negativen Polelektroden nach dem erwähnten Vorschlage von besonders großer Bedeutung sind, indem bei Anwendung dieser Elektroden auf derartige EIemente diesen eine lange Lebensdauer und große Leistung gegeben wird.This proposal did not apply to galvanic elements with thickened alkaline Electrolyte. It has now been shown that the negative pole electrodes for such elements according to the suggestions mentioned are of particularly great importance by applying These electrodes on such elements have a long service life and great performance is given.

Der chemische Vorgang ist natürlich in dem bekannten Falle und bei Anwendung der Erfindung ein ganz anderer. Während nämlieh in den Salmiakelementen Zinkchlorid gebildet wird, entsteht bei Anwendung von verdickter Kalilauge als Elektrolyt unlösliches Zinkoxyd. Dieses bleibt naturgemäß an seinem Platze haften, an dem es durch die chemische Umsetzung gebildet wurde, und da es hinreichend fest ist, um das Quecksilber festzuhalten, schützt dieses die Elektrode vor allzu heftigem Angriff durch den alkalischen Elektrolyt, der in die ungeschützte Elektrode sehr schnell und tief eindringen und sie zerstören würde.The chemical process is of course in the known case and when using the Invention completely different. While namely Zinc chloride is formed in the ammonia elements, is formed when using thickened Potassium hydroxide as an electrolyte, insoluble zinc oxide. This naturally remains with his Adhere to the place where it was formed by the chemical reaction, and because it is sufficiently strong, to the mercury to hold, this protects the electrode from too violent attack by the alkaline Electrolyte that can penetrate the unprotected electrode very quickly and deeply and destroy it would.

Der Erfindungsgegenstand erweist sich nach eingehendem Versuche als das beste bisher bekannt gewordene Mittel zum Schütze der negativen Elektrode von galvanischen EIementen mit alkalischem Elektrolyt.The subject of the invention turns out to be the best so far after extensive tests known means for protecting the negative electrode of galvanic elements with alkaline electrolyte.

Claims (1)

Patent-Anspruch :Patent claim: Galvanisches Element mit negativer Polelektrode, die aus zwei amalgamierten und in leitender Verbindung miteinander stehenden bzw. durch Zinkamalgam leitend verbundenen Zinkzylindern gebildet wird, dadurch gekennzeichnet, daß der Verbundzylinder von einem verdickten alkalischen Elektrolvt benetzt wird.Galvanic element with negative pole electrode consisting of two amalgamated and in conductive connection with one another or conductive through zinc amalgam connected zinc cylinders is formed, characterized in that the composite cylinder of a thickened alkaline Elektrolvt is wetted.
DE1918347906D 1918-11-16 1918-11-16 Galvanic element Expired DE347906C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE347906T 1918-11-16

Publications (1)

Publication Number Publication Date
DE347906C true DE347906C (en) 1922-01-25

Family

ID=33480531

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1918347906D Expired DE347906C (en) 1918-11-16 1918-11-16 Galvanic element

Country Status (2)

Country Link
DE (1) DE347906C (en)
GB (1) GB164062A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967708C (en) * 1945-07-10 1957-12-05 Mallory Batteries Ltd Alkaline dry element

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007994A (en) * 1958-07-10 1961-11-07 Union Carbide Corp Amalgamation of zinc
IE57432B1 (en) * 1985-02-12 1992-09-09 Duracell Int Cell corrosion reduction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967708C (en) * 1945-07-10 1957-12-05 Mallory Batteries Ltd Alkaline dry element

Also Published As

Publication number Publication date
GB164062A (en) 1921-05-30

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