Component with a Layer into which CNT (Carbon Nanotubes) are Incorporated and a Method for the Manufacture of Said Component

Inactive Publication Date: 2011-05-05
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0004]The object of the invention is thus to bring about a further improvement i

Problems solved by technology

The background of the inventive measure is that the incorporation of CNT, contrary to the widely-he

Method used

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  • Component with a Layer into which CNT (Carbon Nanotubes) are Incorporated and a Method for the Manufacture of Said Component
  • Component with a Layer into which CNT (Carbon Nanotubes) are Incorporated and a Method for the Manufacture of Said Component

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Example

[0028]A component 11 in accordance with FIG. 1 is embodied as an electrical switching element. In its contact area this has a layer 12 into which, as can be seen from FIG. 2, on the one hand CNT 13 and on the other hand particles 14 of a dry lubricant are embedded. This advantageously gives a contact surface 15 formed by the layer 12 an increased resistance to wear, an increased ability to carry the switching current and thereby an enhanced service life.

[0029]In the method in accordance with FIG. 3 a container 17 is filled with an electrolyte 16 embodied as an ionic fluid. Dispersed in the electrolyte 16 are CNT and particles 14 of a dry lubricant. The component 11 to be coated as the working electrode and an opposing electrode 18 are in contact with a power source 19, enabling a layer to the produced on the component 11 by embedding the CNT 13 and the particles 14 of the dry lubricant.

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Abstract

A component with a layer with CNT incorporated into thereof is disclosed. Particles of a dry lubricant are also embedded into the layer. The layer is particularly suited for electrical contact surfaces due to the embedded CNT. Further provided is a method for electrochemically producing the layer in which preferably ionic fluids are used as an electrolyte.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is the US National Stage of International Application No. PCT / EP2009 / 057788, filed Jun. 23, 2009 and claims the benefit thereof. The International Application claims the benefits of German application No. 10 2008 030 988.5 DE filed Jun. 27, 2008. All of the applications are incorporated by reference herein in their entirety.FIELD OF INVENTION[0002]The invention relates to a component with a layer with CNT incorporated into the grains thereof.BACKGROUND OF INVENTION[0003]A layer with CNT, as mentioned above, can typically be produced on a contact element as described in WO 2007 / 118337 A1. This electrical contact element is used for closing and opening an electrical contact and is subject to great stress during this process. This stressing is attributable to the transmission of the electrical switching current, wherein, in accordance with WO 2007 / 118337 A1, an increase in the service life of the contact is to be achieved by...

Claims

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Application Information

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IPC IPC(8): C25D15/00
CPCC25D7/00C25D15/02C25D3/665H01H2300/036H01R13/03H01H1/027
Inventor HEINRICHSDORFF, FRANKJENSEN, JENS DAHLKRUGER, URSUSSCHNEIDER, MANUELAULLRICH, RAYMONDWINKLER, GABRIELE
Owner SIEMENS AG
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