AT139595B - Electrolyte, in particular for electrolytic capacitors. - Google Patents

Electrolyte, in particular for electrolytic capacitors.

Info

Publication number
AT139595B
AT139595B AT139595DA AT139595B AT 139595 B AT139595 B AT 139595B AT 139595D A AT139595D A AT 139595DA AT 139595 B AT139595 B AT 139595B
Authority
AT
Austria
Prior art keywords
electrolyte
electrolytic capacitors
boric acid
capacitors
desc
Prior art date
Application number
Other languages
German (de)
Original Assignee
Zwietusch E & Co Gmbh
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 Zwietusch E & Co Gmbh filed Critical Zwietusch E & Co Gmbh
Application granted granted Critical
Publication of AT139595B publication Critical patent/AT139595B/en

Links

Landscapes

  • Medicinal Preparation (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Elektrolyt, insbesondere für elektrolytische Kondensatoren. 



   Elektrolytische Kondensatoren enthalten als Hauptbestandteil eine Elektrode, die meistens aus Aluminium besteht, formiert ist und in einen Elektrolyten eingetaucht wird. Der Elektrolyt besteht in vielen Fällen aus Salzen der Borsäure, z. B. Ammoniumborat oder Borax im Gemisch mit Borsäure. 



  Bei elektrolytischen Kondensatoren findet nun aber stets ein Angriff des Elektrolyten auf die Elektrode und dadurch ein allmählicher Abbau der Formierungsschicht statt. 



   Nun ist es an sich bekannt, dass der Angriff von Borsäure und Borax auf Aluminium durch Zusatz von Schellack oder Wachsen stark herabgemindert wird, und man hat deshalb auch schon vorgeschlagen, dem Elektrolyten für elektrolytische Kondensatoren Paraffin oder ähnliche Stoffe zuzumischen. Die Verwendung derartiger Kohlenwasserstoffe hat aber den Nachteil, dass sie mit dem Elektrolyten Emulsionen bilden, deren Erhaltung während des Betriebes der Kondensatoren sehr schwierig ist. 



   Dieser Übelstand wird erfindungsgemäss dadurch vermieden, dass man einen Elektrolyten verwendet, der Schellack oder biologische Wachse enthält. Dabei sind unter biologischen Wachsen solche zu verstehen, die unmittelbar tierischen oder pflanzlichen Ursprungs sind. Diese Stoffe haben den Vorteil, dass sie sich in dem borsauren Elektrolyten leicht lösen. Es hat sich gezeigt, dass bei Ausführungen gemäss der Erfindung bedeutend kleinere Restströme auftreten und auch der Anfangsstrom nach Ruhepausen kleinere Werte annimmt als ohne solche Zusätze. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Electrolyte, in particular for electrolytic capacitors.



   The main component of electrolytic capacitors is an electrode, which usually consists of aluminum, is formed and immersed in an electrolyte. In many cases the electrolyte consists of salts of boric acid, e.g. B. ammonium borate or borax mixed with boric acid.



  With electrolytic capacitors, however, the electrolyte always attacks the electrode and, as a result, the formation layer gradually degrades.



   It is now known that the attack by boric acid and borax on aluminum is greatly reduced by adding shellac or wax, and it has therefore already been suggested that paraffin or similar substances be added to the electrolyte for electrolytic capacitors. However, the use of such hydrocarbons has the disadvantage that they form emulsions with the electrolyte, which are very difficult to maintain during operation of the capacitors.



   According to the invention, this disadvantage is avoided by using an electrolyte which contains shellac or biological waxes. Here, biological waxes are to be understood as meaning those that are of direct animal or vegetable origin. These substances have the advantage that they easily dissolve in the boric acid electrolyte. It has been shown that with embodiments according to the invention, significantly smaller residual currents occur and that the initial current also assumes smaller values after pauses than without such additives.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

PATENT-ANSPRUCH : Elektrolyt, insbesondere für elektrolytische Kondensatoren, dadurch gekennzeichnet, dass der Elektroyt Schellack oder biolgische Wachse oder beides enthält. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Electrolyte, particularly for electrolytic capacitors, characterized in that the electrolyte contains shellac or biological waxes or both. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT139595D 1932-01-27 1932-08-25 Electrolyte, in particular for electrolytic capacitors. AT139595B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE139595X 1932-01-27

Publications (1)

Publication Number Publication Date
AT139595B true AT139595B (en) 1934-11-26

Family

ID=5667847

Family Applications (1)

Application Number Title Priority Date Filing Date
AT139595D AT139595B (en) 1932-01-27 1932-08-25 Electrolyte, in particular for electrolytic capacitors.

Country Status (1)

Country Link
AT (1) AT139595B (en)

Similar Documents

Publication Publication Date Title
DE1421368A1 (en) electrode
AT139595B (en) Electrolyte, in particular for electrolytic capacitors.
AT133115B (en) Process for the production of corrosion-resistant coatings on light metals.
DE680884C (en) Bohroel-, lubricating, drawing-oil or immersion bath emulsion
DE636912C (en) Process for preventing the corrosion of magnesium and magnesium alloys
DE547944C (en) Process for achieving high dielectric strength and high corrosion resistance for objects with surfaces made of aluminum and aluminum alloys
DE602333C (en) Electrolytic capacitor with pasty electrolyte
AT137809B (en) Electrolytic capacitor.
DE415843C (en) Impregnation and preservative for rocks, fibers, wood and other types of cellulose
DE721391C (en) Covered arc welding electrode, the cover of which contains resin, hydrous magnesium silicate and titanium compounds
DE596647C (en) Process for the production of a non-corrosive engine propellant
AT155563B (en) Electrolytic capacitor.
AT150982B (en) Process for preventing the corrosion of magnesium and magnesium alloys.
AT112916B (en) Method for improving the conductivity of rectifier electrodes, which consist of alternating layers of a metal and a metal compound.
DE683289C (en) Process for the electrolytic surface finishing of aluminum, aluminum alloys and similar light metals
AT141869B (en) Lubricant.
AT156328B (en) Process for reducing the loss angle of the dielectric in electrical devices filled with liquid chlorinated or fluorinated hydrocarbons.
AT104369B (en) Cleaning agents for aluminum and other metals.
DE671891C (en) Process for preventing gum formation in gum-prone gasolines and other petroleum distillates
AT148125B (en) Oxide-absorbing, acidic, thin-bodied slags for the removal of dissolved oxides from metal baths of all kinds.
DE330670C (en) Process for the production of non-saponifying oils, varnishes, lacquers, pastes containing oils and putty
AT128344B (en) Process for increasing the corrosion resistance of steel and cast iron.
DE498669C (en) Process for changing the electrical properties of telephone cables
AT136492B (en) Electrolytic capacitor.
DE620210C (en) Process to increase the corrosion resistance of steel and cast iron