PLASMA COATING OF THERMOELECTRIC ACTIVE MATERIAL WITH NICKEL AND TIN
The invention relates to a method for producing a thermoelement for a thermoelectric component, in which method: with the aid of a plasma flame, a diffusion barrier made of nickel is applied to a thermoelectric active material; or, with the aid of a plasma flame, a contact-facilitating layer made of...
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Format | Patent |
Language | English French |
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04.10.2022
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Abstract | The invention relates to a method for producing a thermoelement for a thermoelectric component, in which method: with the aid of a plasma flame, a diffusion barrier made of nickel is applied to a thermoelectric active material; or, with the aid of a plasma flame, a contact-facilitating layer made of tin is applied to a diffusion barrier made of nickel. The invention also relates to a thermoelectric component comprising thermoelements which are produced correspondingly. The aim of the invention is to further develop the conventional plasma spraying technique such that it can be used to produce thermoelements on an industrial scale. To achieve this aim, nickel particles or tin particles are used, which particles conform to a particular specification with regard to their sphericity.
La présente invention concerne un procédé de fabrication d'une branche pour un composant thermoélectrique, selon lequel une barrière de diffusion en nickel est appliquée à l'aide d'un plasma sur un matériau actif thermoélectrique, et plus précisément selon lequel une couche médiatrice de contact en étain est appliquée à l'aide d'un plasma sur une barrière de diffusion en nickel. La présente invention concerne par ailleurs un composant thermoélectrique pourvu de branches fabriquées selon ledit procédé. Les inventeurs ont donc eu pour tâche de perfectionner la technologie de projection au plasma classique de manière telle qu'il soit possible de fabriquer des thermobranches à l'échelle industrielle. À cet effet ont été utilisées des particules de nickel et plus précisément d'étain qui, pour ce qui est de leur sphéricité, répondent à une spécification particulière. |
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AbstractList | The invention relates to a method for producing a thermoelement for a thermoelectric component, in which method: with the aid of a plasma flame, a diffusion barrier made of nickel is applied to a thermoelectric active material; or, with the aid of a plasma flame, a contact-facilitating layer made of tin is applied to a diffusion barrier made of nickel. The invention also relates to a thermoelectric component comprising thermoelements which are produced correspondingly. The aim of the invention is to further develop the conventional plasma spraying technique such that it can be used to produce thermoelements on an industrial scale. To achieve this aim, nickel particles or tin particles are used, which particles conform to a particular specification with regard to their sphericity.
La présente invention concerne un procédé de fabrication d'une branche pour un composant thermoélectrique, selon lequel une barrière de diffusion en nickel est appliquée à l'aide d'un plasma sur un matériau actif thermoélectrique, et plus précisément selon lequel une couche médiatrice de contact en étain est appliquée à l'aide d'un plasma sur une barrière de diffusion en nickel. La présente invention concerne par ailleurs un composant thermoélectrique pourvu de branches fabriquées selon ledit procédé. Les inventeurs ont donc eu pour tâche de perfectionner la technologie de projection au plasma classique de manière telle qu'il soit possible de fabriquer des thermobranches à l'échelle industrielle. À cet effet ont été utilisées des particules de nickel et plus précisément d'étain qui, pour ce qui est de leur sphéricité, répondent à une spécification particulière. |
Author | KERN, MAGDALENA SCHULTZ, THORSTEN GIESSELER, MAREIKE BUSSE, JENS STENNER, PATRIK HOCH, SASCHA |
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DocumentTitleAlternate | APPLICATION PAR PLASMA D'UN REVETEMENT DE NICKEL ET D'ETAIN SUR UN MATERIAU ACTIF THERMOELECTRIQUE |
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Snippet | The invention relates to a method for producing a thermoelement for a thermoelectric component, in which method: with the aid of a plasma flame, a diffusion... |
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SubjectTerms | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
Title | PLASMA COATING OF THERMOELECTRIC ACTIVE MATERIAL WITH NICKEL AND TIN |
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