Counterelectrode layer

Details Counterelectrode layer Counterelectrode layer

1997-07-14

1999-07-06

Speer, Timothy M.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428701, 428702, 359269, 427165, 4273722, B32B 1700

Patent

active

059195711

ABSTRACT:
Electrochromic devices are disclosed in which the counterelectrode layer is a gamma phase Li.sub.x V.sub.2 O.sub.5 layer in which x is between about 0.7 and 2.0. In addition, methods of producing electrochromic devices are disclosed including such counterelectrode layers which are heat treated at temperatures of greater than about 260.degree. C. to convert the counterelectrode layer into such a gamma phase Li.sub.x V.sub.2 O.sub.5 layer.

REFERENCES:
patent: 5209980 (1993-05-01), Spindler
D.W. Murphy, P.A. Christian, F.J. DiSalvo, and J. V. Waszczak, "Lithium Incorporation by Vanadium Pentoxide," Inorganic Chemistry, vol. 18, No. 10, 1979, pp. 2800-2803.
J.M. Cocciantelli, M. Menetrier, C. Delmas, J.P. Doumerc, M. Pouchard and P. Hagenmuller, "Electrochemical and structural characterization of lithium intercalation and deintercalation in the .gamma.-LiV.sub.2 O.sub.5 bronze," Solid State Ionics 50 (1992), pp. 99-105.
C. Delmas, H. Cognac-Auradou, J.M. Cocciantelli, M. Menetrier, J.P. Doumerc, "The Li.sub.x V.sub.2 O.sub.5 system: An overview of the structure modifications induced by the lithium intercalation," Solid State Ionics 69 (1994) pp. 257-264.
Stuart F. Cogan, Nguyet M. Nguyen, Stephen J. Perrotti, and R. David Rauh, "Optical properties of electrochromic vanadium pentoxide," J. Appl. Phys. 66(3), Aug. 1, 1989, pp. 1333-1337.
A. Talledo, A.M. Anderson, and C.G. Granqvist, "Structure and optical absorption of Li.sub.y V.sub.2 O.sub.5 thin films," J. Appl. Phys. 69 (5), Mar. 1, 1991; pp. 3261-3265.
Rajendra Singh and Randhir P.S. Thakur, "RIP for Dielectrics, It Doesn't Mean Rest in Peace," The Electrochemical Society Interface, Fall 1995, pp. 28-31.

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