| 摘要 |
A method of gradationally infusing a graded thickness permeable medium with a uniform concentration of a material is disclosed. A method of gradationally infusing a uniform thickness permeable medium with a gradational concentration of material is also disclosed. The method includes placing the material in a container, and inserting and removing the permeable medium in the container so that the permeable medium includes either a gradational or uniform concentration of the material therein dependent upon the thickness of the medium. The method disclosed also allows uniform thickness or graded thickness electrochromic materials to be gradationally infused with an ion source to provide a color gradient within an electrochromic device. An electrochromic device made according to this method is also disclosed.
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