04-02-2021 дата публикации
Номер: US20210032531A1
Принадлежит:
An electrochromic element including: a first electrode; a second electrode disposed to face the first electrode with a gap between the first electrode and the second electrode; a first electrochromic layer disposed on or above the first electrode, including conductor or semiconductor nano-structures and an electrochromic compound; and an electrolyte layer including an electrolyte, disposed between the first electrochromic layer and the second electrode, wherein the electrochromic compound is a compound represented by General Formula 1, and an anion of the electrolyte is a monovalent anion having oxidation potential higher than reduction potential of a dication of General Formula 1 by 3.1 V or greater, 2. The electrochromic element according to claim 1 ,wherein the first electrochromic layer is a first electrochromic layer, in which the electrochromic compound is deposited on the nano-structures.4. The electrochromic element according to claim 3 ,wherein the electrolyte layer includes an electrolyte, and an anion of the electrolyte is a monovalent anion having an oxidation potential higher than a reduction potential of a dication of General Formula 1 by 3.1 V or greater.5. The electrochromic element according to claim 1 ,{'sub': 2', '2', '3', '2', '2', '4', '4', '6', '4, 'sup': −', '−', '−', '−', '−', '−, 'wherein the anion of the electrolyte of the electrolyte layer is one or more selected from the group consisting of (FSO)N, (CFSO)N, (CB)B, BF, PF, and ClO.'}6. The electrochromic element according to claim 1 ,{'sub': 1', '2', '1', '2, 'wherein Ror R, or both Rand Rof General Formula 1 are a phosphonic acid group, a phosphoric acid group, a carboxylic acid group, a sulfonyl group, a silyl group, or a silanol group.'}7. The electrochromic element according to claim 1 ,{'sub': 1', '2, 'wherein one of Rand Rof General Formula 1 is a phosphonic acid group, a phosphoric acid group, a carboxylic acid group, a sulfonyl group, a silyl group, or a silanol group, and the ...
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