Electrochromic device
First Claim
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1. An electrochromic device comprising an ion conductive layer obtained by curing a composition containing (A) a bipyridinium compound represented by formula (1), (B) a metallocene compound represented by formula (2) or (2′
- ) and (C) a precursor of a polymeric solid electrolyte comprising a monofunctional modified polyalkylene oxide represented by formula (12), a polymeric monomer selected from the group consisting of a difunctional modified polyalkylene oxide represented by formula (13) and a polyfunctional modified polyalkylene oxide represented by formula (14), and a supporting electrolyte, disposed between two electrically conductive substrates at least one of which is transparent, said formula (1) being wherein X- and Y- are the same or different and are each independently a counter anion selected from the group consisting of au halogen anion, ClO4−
, BF4−
, PF6−
, CH3COO−
and CH3(C6H4)SO3−
, R1 is hydrogen or a C1-C5 alkyl group, R2 is a C1-C30 divalent hydrocarbon group or oxygen-containing hydrocarbon group, R3 is a C1-C20 hydrocarbon or oxygen-containing hydrocarbon group and a is an integer of 0 or 1;
said formulae (2) and (2′
) being wherein R4 and R5 are each independently a hydrocarbon group selected from the group consisting of alkenyl and aryl groups, if R4 or R5 is an aryl group, the aromatic ring may form a condensation ring by bonding to a cyclopentadienyl ring, n1 is an integer of 0≦
n1≦
4, n2 is an integer of 0≦
n2≦
5, but at least one of n1 and n2 is ≧
1, A and A′
are the same or different and are each independently a monovalent group, in is 0 or 1, M is selected from the group consisting of Cr, Go, Fe, Mg, Ni, Os, Ru and V, M′
is selected from the group consisting of Hf, Mo, Nb, Ti, V and Zr and Q and Q′
are the same or different and each are independently selected from the group consisting of hydrogen, halogen and a C1-C12 alkyl group;
said formula (A) being wherein R6 is hydrogen or a methyl group, R7 is hydrogen or at methyl group, b is 0 or 1 and provided that R7 is hydrogen if b is 0;
said formula (12) being wherein R33, R34, R35 are each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, R36 is an alkyl group having 1 to 5 carbon atoms, and g′
is an integer of 1 or greater;
said formula (13) being wherein R37, R38, R39 and R40 are each independently hydrogen or an alkyl group having 1 to 5 carbon atoms and h′
is an integer of 1 or greater; and
said formula (14) being wherein R41, R42 and R43 are each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, i′
is an integer of 1 or greater than 1, j′
is an integer of 2 to 4 and L is a connecting group of valence of “
j′
”
.
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Abstract
The electrochromic devices have an ion conductive layer formed by curing a composition comprising a bipyridinium compound represented by the formula
a specific metallocene compound and a precursor of a polymeric solid electrolyte, between two electrically conductive substrates, at least one of which is transparent.
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Citations
10 Claims
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1. An electrochromic device comprising an ion conductive layer obtained by curing a composition containing (A) a bipyridinium compound represented by formula (1), (B) a metallocene compound represented by formula (2) or (2′
- ) and (C) a precursor of a polymeric solid electrolyte comprising a monofunctional modified polyalkylene oxide represented by formula (12), a polymeric monomer selected from the group consisting of a difunctional modified polyalkylene oxide represented by formula (13) and a polyfunctional modified polyalkylene oxide represented by formula (14), and a supporting electrolyte, disposed between two electrically conductive substrates at least one of which is transparent, said formula (1) being
wherein X- and Y- are the same or different and are each independently a counter anion selected from the group consisting of au halogen anion, ClO4−
, BF4−
, PF6−
, CH3COO−
and CH3(C6H4)SO3−
, R1 is hydrogen or a C1-C5 alkyl group, R2 is a C1-C30 divalent hydrocarbon group or oxygen-containing hydrocarbon group, R3 is a C1-C20 hydrocarbon or oxygen-containing hydrocarbon group and a is an integer of 0 or 1;
said formulae (2) and (2′
) beingwherein R4 and R5 are each independently a hydrocarbon group selected from the group consisting of alkenyl and aryl groups, if R4 or R5 is an aryl group, the aromatic ring may form a condensation ring by bonding to a cyclopentadienyl ring, n1 is an integer of 0≦
n1≦
4, n2 is an integer of 0≦
n2≦
5, but at least one of n1 and n2 is ≧
1, A and A′
are the same or different and are each independently a monovalent group, in is 0 or 1, M is selected from the group consisting of Cr, Go, Fe, Mg, Ni, Os, Ru and V, M′
is selected from the group consisting of Hf, Mo, Nb, Ti, V and Zr and Q and Q′
are the same or different and each are independently selected from the group consisting of hydrogen, halogen and a C1-C12 alkyl group;
said formula (A) beingwherein R6 is hydrogen or a methyl group, R7 is hydrogen or at methyl group, b is 0 or 1 and provided that R7 is hydrogen if b is 0;
said formula (12) being wherein R33, R34, R35 are each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, R36 is an alkyl group having 1 to 5 carbon atoms, and g′
is an integer of 1 or greater;
said formula (13) beingwherein R37, R38, R39 and R40 are each independently hydrogen or an alkyl group having 1 to 5 carbon atoms and h′
is an integer of 1 or greater; and
said formula (14) beingwherein R41, R42 and R43 are each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, i′
is an integer of 1 or greater than 1, j′
is an integer of 2 to 4 and L is a connecting group of valence of “
j′
”
.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- ) and (C) a precursor of a polymeric solid electrolyte comprising a monofunctional modified polyalkylene oxide represented by formula (12), a polymeric monomer selected from the group consisting of a difunctional modified polyalkylene oxide represented by formula (13) and a polyfunctional modified polyalkylene oxide represented by formula (14), and a supporting electrolyte, disposed between two electrically conductive substrates at least one of which is transparent, said formula (1) being
Specification