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1. WO2012059789 - ROLL TO ROLL MANUFACTURING OF SOLAR SELECTIVE SHEETS

Publication Number WO/2012/059789
Publication Date 10.05.2012
International Application No. PCT/IB2010/055006
International Filing Date 04.11.2010
IPC
C25D 5/12 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR
5Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
10Electroplating with more than one layer of the same or of different metals
12at least one layer being of nickel or chromium
C25D 7/06 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR
7Electroplating characterised by the article coated
06Wires; Strips; Foils
C25D 9/08 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; JOINING WORKPIECES BY ELECTROLYSIS; APPARATUS THEREFOR
9Electrolytic coating other than with metals
04with inorganic materials
08by cathodic processes
F24J 2/48 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
JPRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
2Use of solar heat, e.g. solar heat collectors
46Component parts, details or accessories of solar heat collectors
48characterised by the absorber material
F24J 2/46 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
JPRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
2Use of solar heat, e.g. solar heat collectors
46Component parts, details or accessories of solar heat collectors
CPC
C25D 5/12
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING
5Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
10Electroplating with more than one layer of the same or of different metals
12at least one layer being of nickel or chromium
C25D 7/0621
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING
7Electroplating characterised by the article coated
06Wires; Strips; Foils
0614Strips or foils
0621In horizontal cells
C25D 7/0664
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING
7Electroplating characterised by the article coated
06Wires; Strips; Foils
0614Strips or foils
0664Isolating rolls
C25D 7/0692
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING
7Electroplating characterised by the article coated
06Wires; Strips; Foils
0614Strips or foils
0692Regulating the thickness of the coating
C25D 9/08
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING
9Electrolytic coating other than with metals
04with inorganic materials
08by cathodic processes
F24S 70/225
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
70Details of absorbing elements
20characterised by absorbing coatings; characterised by surface treatment for increasing absorption
225for spectrally selective absorption
Applicants
  • SELEKTIF TEKNOLOJI SANAYI TICARET LIMITED SIRKETI [TR]/[TR] (AllExceptUS)
  • KADIRGAN, Figen [TR]/[TR] (UsOnly)
Inventors
  • KADIRGAN, Figen
Agents
  • ANKARA PATENT BUREAU LIMITED
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ROLL TO ROLL MANUFACTURING OF SOLAR SELECTIVE SHEETS
(FR) FABRICATION DE FEUILLES SOLAIRES SÉLECTIVES PAR PROCÉDÉ DE ROULEAU À ROULEAU
Abstract
(EN)
In this invention, a method for continuously surface treating and coating of foils (metals such as copper, aluminium, steel or other metals or non-metal materials) to able to have selective properties against solar spectrum and to improve the productivity of selective surface fabrication is provided. The method for continuously surface treating to able to obtain the solar selective surface with high absorption and low emission coefficients contain the treatment of the metal foils by chemical and electrochemical way to clean the foil surface and then, electrochemical deposition of the thin and/or nano scale films passing the metal foil as cathode in front of anodes via rolls and prevention a liquid attached on the surface from being dragged into the next tank. The apparatus has two rolls (to wind and rewound again) with a certain larger diameter made of stainless steel and the guide rolls with smaller diameters between special surface treatment, depositing and dielectric layer coating tanks. A heat treatment performed on the surface by an oven before rewound the foil. A uniform, adherent selective deposit obtained on a conductive foil substrate.
(FR)
Cette invention concerne un procédé continu de traitement de surface et de revêtement de feuilles (faites de métaux tels que le cuivre, l'aluminium, l'acier ou autres métaux ou de matériaux non métalliques) pour leur conférer des propriétés sélectives vis-à-vis du spectre solaire et pour améliorer le rendement de la fabrication de surfaces sélectives. Ledit procédé de traitement de surface continu permettant l'obtention d'une surface solaire sélective présentant un haut coefficient d'absorption et un faible coefficient d'émission, comprend les étapes consistant à : traiter les feuilles métalliques par traitement chimique et électrochimique afin de nettoyer la surface de la feuille, et procéder au dépôt électrochimique de films minces et/ou nanofilms en faisant passer la feuille métallique en tant que cathode face à des anodes par l'intermédiaire de rouleaux et en empêchant un liquide fixé à la surface d'être entraîné vers la cuve suivante. L'appareil de l'invention comprend deux rouleaux en acier inoxydable (d'enroulage et de ré-enroulage) de diamètre supérieur, et des rouleaux de guidage de diamètres inférieurs disposés entre des cuves de traitement de surface, de dépôt et de revêtement diélectrique. Un traitement thermique au four est effectué sur la surface de la feuille avant son ré-enroulage. Le procédé de l'invention permet d'obtenir un dépôt sélectif uniforme et adhérant sur un substrat conducteur en forme de feuille.
Also published as
TR2013/05275
Latest bibliographic data on file with the International Bureau