Electrochromic element
AssigneeDaimlerChrysler AG
InventorsJochen Haering, Thomas Kraenzler, Werner Scherber, Horst Weller, Markus Haase, Ulf Zum Felde
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Abstract
The present invention relates to an electrochronic element including the following elements: an electrode (E1), an electrochromic functional layer (FS), an ion-conducting electrolyte (EY) a layer with high electrical charge capacity (SK), a counter-electrode (E2), the electrochromic functional layer (FS) being a nanoporous doped semiconductor layer having structure sizes smaller than 50 nm.
Claims19
An electrochromic element, comprising
- an electrode,
- an electrochromic functional layer,
- an ion-conducting electrolyte,
- a layer with high electrical charge capacity, and
- a counter-electrode,
- the electrochromic functional layer being exclusively composed of a doped semiconductor layer having structure sizes smaller than 50 nm, having nanopores and forming a connected, electrically conductive network, the ion-conducting electrolyte filling the nanopores of the electrochromic functional layer.
A method for manufacturing an electrochromic functional layer exclusively composed of a doped semiconductor layer having, structure sizes smaller than 50 nm, having nanopores and forming a connected, electrically conductive network, comprising the step of:
- obtaining the functional layer from a colloidal solution of dispersed nanoparticles composed of a doped semiconductor material and having a particle size smaller than 50 nm.
A method for manufacturing an electrochromic functional layer exclusively composed of a doped semiconductor layer having structure sizes smaller than 50 nm, having nanopores and forming a connected, electrically conductive network, comprising the step of:
- using an electrochemical method to obtain the electrochromic functional layer.
A method for manufacturing an electrochromic functional layer exclusively composed of a doped semiconductor layer having structure sizes smaller than 50 nm, having nanopores and forming a connected, electrically conductive network, comprising the step of:
- using a coating with a nanostructured mask which is selectively removed later.
Dependencies are inferred from the claim text.