DE939826C - Anode for electrolytic capacitors - Google Patents

Anode for electrolytic capacitors

Info

Publication number
DE939826C
DE939826C DEN1358D DEN0001358D DE939826C DE 939826 C DE939826 C DE 939826C DE N1358 D DEN1358 D DE N1358D DE N0001358 D DEN0001358 D DE N0001358D DE 939826 C DE939826 C DE 939826C
Authority
DE
Germany
Prior art keywords
electrolytic capacitors
anode
fabric
aluminum
threads
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
DEN1358D
Other languages
German (de)
Inventor
Christian Schwaiger
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.)
ELEKTROWERK GmbH
NSF NUERNBERGER SCHRAUBENFAB
Original Assignee
ELEKTROWERK GmbH
NSF NUERNBERGER SCHRAUBENFAB
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 ELEKTROWERK GmbH, NSF NUERNBERGER SCHRAUBENFAB filed Critical ELEKTROWERK GmbH
Priority to DEN1358D priority Critical patent/DE939826C/en
Priority to FR887570D priority patent/FR887570A/en
Application granted granted Critical
Publication of DE939826C publication Critical patent/DE939826C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/048Electrodes or formation of dielectric layers thereon characterised by their structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Primary Cells (AREA)

Description

Um eine hohe Kapazitätsausbeute bei Elektrolytkondensatoren zu erzielen, wird die aktive Oberfläche der Anoden, die von der Elektrolytflüssigkeit bedeckt ist, möglichst groß gemacht. Man erzielt z. B. eine vergrößerte Oberfläche dadurch, daß man die Aluminiumanodenbänder mechanisch oder chemisch aufrauht. Hierdurch sind beträchtliche Oberflächenfaktoren erzielt worden. Nach einem anderen bekannten Verfahren werden oberflächenvergrößerte Anoden dadurch hergestellt, daß das Aluminium nach Art des Schoopschen Spritzverfahrens auf einen Träger, z` B. auf ein Textilgewebe, aufgebracht wird.In order to achieve a high capacity yield with electrolytic capacitors, becomes the active surface of the anodes, which is covered by the electrolyte liquid is made as big as possible. One achieves z. B. an enlarged surface by that the aluminum anode strips are roughened mechanically or chemically. Through this are considerable surface factors have been achieved. According to another known method enlarged surface anodes are produced by the aluminum after Type of Schoop's spraying process on a carrier, e.g. on a textile fabric, is applied.

Die bisher bekanntgewordenen Oberflächenvergrößerungsverfahren haben den ' Nachteif, 4aß der Oberflächenvergrößerungsfaktor starken Schwankungen unterliegt, so daß der serienmäßigen Fabrikation erhebliche Schwierigkeiten erwachsen. Es ist auch schon vorgeschlagen worden, aus Aluminiumdrähten feinen Durchmessers Gewebe herzustellen, um so das Verhältnis Oberfläche zu aufgewandter Materialmasse künstlich zu vergrößern. Bei solchen Geweben bleibt aber der Vergrößerungsfaktor relativ gering, da, der Herstellung von kreisrunden Drähten aus Reinstaluminium, wie es für Elektrolytkondensatoren gebraucht wird, eine untere Grenze, etwa in der Gegend von 5/", mm, gezogen -ist.The previously known surface enlargement methods have the 'Nachteif, 4ass the surface magnification strong fluctuations, so that the standard fabrication grown considerable difficulties. It has also already been proposed to produce fabric from aluminum wires of fine diameter in order to artificially increase the ratio of surface area to expended material mass. With such fabrics, however, the magnification factor remains relatively low, since a lower limit, around 5 / ", mm, is drawn for the production of circular wires from pure aluminum, as is used for electrolytic capacitors.

Die geschilderten Mängel bei Anoden in Gewebeform mit großer Oberfläche für elektrolytische Kondensatoren werden gemäß der Erfindung da,-durch behoben, daß das Gewebe ganz oder teilweise aus Fäden aufgebaut ist, die aus einem saugfähigen Trägerfaden bestehen, um den ein durch Auswalzen feiner Aluminiumdrähte erhaltenes Aluminiumband. von etwa -1/ioo mm Stärke und wenigen zehntel Millimeterti -Breite spiralig herumgewickelt ist. Diese Drähte i werden spiralförmig um einen Spinnstoffade,u 2-gewunden, so daß sie diesen nahe--zu deckend 8ijäliülle'n,-wie in der Zeichnung (1#ig.,i) dargestellt. Solche Fäden 3 werden dann zu einem Textilgewebe verbunden, indem sie etwa die Längsfäden eines Bandes darstellen und durch einen querschießenden Aluminiumfaden 4 (s. Fig. 2) gebunden werden, oder man kann die Fäden auch in beliebiger bekannter Weise verweben. Es ist dabei an sich bekannt, Gewebe als Elektroden in elektrolytischen Kondensatoren zu verwenden. Auf jeden Fall wird durch die gekennzeichneteAnode erreicht, daß- durcli cfa# spiralige Umwinden des saugfähigen T#rägerfadens sowohl Innen- als auch Außenfläche des Aluminiumbändchens benetzt und damit eine größtmögliche Oberflächenausnutzung bewirkt wird. Man kann sogar noch dazu übergehen, die Oberfläche der dünnen Bändchen durch eines der bekannten Verfahren aufzuranhen.The described deficiencies in anodes in fabric form with a large surface for electrolytic capacitors are there, -by remedied that the fabric is made up entirely or partially of threads consisting of an absorbent carrier thread, around which an aluminum strip obtained by rolling out fine aluminum wires . about -1 / 100 mm thick and a few tenths of a millimeter wide is wrapped in a spiral. These wires i are spirally wound around a spinnstoffade, u 2 -wound, so that they are close to this - to cover 8ijäliülle'n - as shown in the drawing (1 # fig., I). Such threads 3 are then connected to a textile fabric in that they represent, for example, the longitudinal threads of a tape and are bound by a transverse aluminum thread 4 (see FIG. 2), or the threads can also be woven in any known manner. It is known per se to use tissue as electrodes in electrolytic capacitors. In any case, the marked anode ensures that both the inner and outer surfaces of the aluminum tape are wetted by the spiral winding of the absorbent carrier thread, thus making the greatest possible use of the surface. One can even go over to roughening the surface of the thin ribbons by one of the known methods.

Claims (1)

PATENTANSPRUCII-Anode in Gewebeform mit großer Oberfläche für Elektrolytkondensatoren, dadurch gekennzeichnet, daß das Gewebe ganz oder teilweise aus Fäden aufgebaut ist, die aus einem saug-fähigen Trägerf aden bestehen, um den ein durch Auswalzen feiner Aluminiumdrähte erhaltenes Aluminiumband von etwa 1/100 mm Stärke und wenigen zehntel Millimetern Breite spiralig herumgewickelt ist. Angezogene Druckschriften: Deutsche Patentschriften Nr. 607 652, 611 812.PATENTANSPRUCII anode in fabric form with a large surface for electrolytic capacitors, characterized in that the fabric is composed entirely or partly of threads made filaments from a suction f ähigen Trägerf, obtained by which a fine by rolling aluminum wires aluminum strip of about 1/100 mm thick and a few tenths of a millimeter wide. Cited publications: German patent specifications No. 607 652, 611 812.
DEN1358D 1941-11-13 1941-11-13 Anode for electrolytic capacitors Expired DE939826C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEN1358D DE939826C (en) 1941-11-13 1941-11-13 Anode for electrolytic capacitors
FR887570D FR887570A (en) 1941-11-13 1942-11-07 Anode for electrolyte capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN1358D DE939826C (en) 1941-11-13 1941-11-13 Anode for electrolytic capacitors

Publications (1)

Publication Number Publication Date
DE939826C true DE939826C (en) 1956-03-01

Family

ID=7337713

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN1358D Expired DE939826C (en) 1941-11-13 1941-11-13 Anode for electrolytic capacitors

Country Status (2)

Country Link
DE (1) DE939826C (en)
FR (1) FR887570A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE607652C (en) * 1931-06-24 1935-01-04 Siemens & Halske Akt Ges Electrolytic capacitor, the electrodes of which are made of metal wires
DE611812C (en) * 1935-04-06 Siemens & Halske Akt Ges Electrolytic capacitor with wound electrodes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE611812C (en) * 1935-04-06 Siemens & Halske Akt Ges Electrolytic capacitor with wound electrodes
DE607652C (en) * 1931-06-24 1935-01-04 Siemens & Halske Akt Ges Electrolytic capacitor, the electrodes of which are made of metal wires

Also Published As

Publication number Publication date
FR887570A (en) 1943-11-17

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