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Title: Electrochromic device using mercaptans and organothiolate compounds

An electrochromic cell is disclosed which comprises an electrochromic layer and a composite ion counter electrode for transporting ions. The counter electrode further comprises a polymer electrolyte material and an organosulfur material in which, in its discharged state, the organosulfur material is further comprised of a mercaptan or an organothiolate. In one preferred embodiment, both the electrochromic electrode and the counter electrode are transparent either to visible light or to the entire electromagnetic spectrum in both charged and discharged states. An electrochromic device is disclosed which comprises one or more electrochromic electrodes encased in glass or plastic plates on the inner surface of each of which is formed a transparent electrically conductive film. Electrical contacts, which are in electrical contact with the conductive films, facilitate external electrical connection. 5 figs.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
100974
Assignee:
Univ. of California, Berkeley, CA (United States) PTO; SCA: 400500; PA: EDB-95:131094; SN: 95001445723
Patent Number(s):
US 5,442,478/A/
Application Number:
PAN: 7-872,830
Contract Number:
AC03-76SF00098
Resource Relation:
Other Information: PBD: 15 Aug 1995
Research Org:
University of California
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; PHOTOELECTROCHEMICAL CELLS; DESIGN; ORGANIC SULFUR COMPOUNDS; POLYMERS; OPTICAL PROPERTIES; ELECTROCHROMISM