[미국특허]
Electrochromic element, materials for use in such element, processes for making such element and such materials and use
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02F-001/01
G02B-005/23
출원번호
US-0809497
(1992-03-12)
국제출원번호
PCT/US90/03873
(1990-07-13)
§371/§102 date
19920312
(19920312)
국제공개번호
WO-9101510
(1991-02-07)
발명자
/ 주소
Couput Jean-Paul (Bizanos FRX) Campet Guy (Canejan FRX) Chabagno Jean M. (Pau FRX) Muller Daniel (Pau FRX) Bourrel Maurice (Pau NJ FRX) Dirkx Ryan R. (Belle Mead NJ) Ferry Didier (Artix FRX) Garie Re
출원인 / 주소
Elf Atochem North America, Inc. (Philadelphia PA 02) Societe Nationale Elf Aquitaine (Paris FRX 07a part interest)
인용정보
피인용 횟수 :
19인용 특허 :
45
초록▼
An electrochromic element useful in an electrochromic glass or mirror device and a process for making such element. The element is a five-layered structure including an electrolyte ion conducting layer interposed between first and second inorganic electrochromic layers which are interposed between a
An electrochromic element useful in an electrochromic glass or mirror device and a process for making such element. The element is a five-layered structure including an electrolyte ion conducting layer interposed between first and second inorganic electrochromic layers which are interposed between a pair of conductive electrodes. The second inorganic electrochromic layer is amorphous. The first and second inorganic electrochromic layers are different and are capable of exhibiting color-forming properties complementary to one another upon the incorporation of at least one H, Li, Na, K, Ag, Cu or Tl ion. The electrolyte ion conducting layer may be a copolymer of ethylene oxide, butylene oxide or methyl glycidyl ether, and optionally a small amount of allyl glycidyl ether, along with an ionizable salt, or may be a polyurethane gel formed by reacting the copolymer with triisocyanate, along with an ionizable salt. The second inorganic electrochromic layer comprises a transition element chalconide or halide which exhibits a color change when shifting between the +2 and +3 valence states or between the +3 and +4 valence states. The second inorganic electrochromic layer may be produced by an electrochemical process, a chemical process, a physical process or by a solid state process. The electrochromic element may also comprise a plurality of five-layer structures in tandem, each pair separated by a substrate. The electrochromic element of the invention is also useful as a supercapacitor.
대표청구항▼
An electrochromic element comprising a pair of conductive electrodes at least one of which is transparent, first and second inorganic electrochromic layers interposed between said pair of conductive electrodes and an ion conducting layer of an electrolyte interposed between said first and second ino
An electrochromic element comprising a pair of conductive electrodes at least one of which is transparent, first and second inorganic electrochromic layers interposed between said pair of conductive electrodes and an ion conducting layer of an electrolyte interposed between said first and second inorganic electrochromic layers, wherein said first and second inorganic electrochromic layers are different and are capable of exhibiting electrochromic properties upon the incorporation of at least one ion of an element selected from the group consisting of H, Li, Na, K, Ag, Cu and Tl, wherein said second inorganic electrochromic layer is amorphous, wherein the electrochromic properties of said first and second inorganic electrochromic layers are complementary, and wherein said second inorganic electrochromic layer comprises the composition MxTnyTn+m(uz-ny-x)/(n+m)Xuz, wherein x, y, z, u≥0, 2≤n≤3, 1≤m≥2, n+m≤4; T is a fourth period transition element selected from Ni, Co, Mn, Cr, V, Ti or Fe; M is at least one element selected from H, Li, Na, K, Ag, Cu and Tl; X is selected from O, S, F and Cl; n, n+m and u are oxidation numbers; and x is the moles of M+ions incorporated into said second inorganic electrochromic layer, y is the moles of T at the oxidation number n and z is the moles of X.
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