Patent ID: 7560173
Filing Date: 2009-07-14
Classification: G06Q,H01B,H01M,Y02E,Y10T

Abstract:
1. Electrically active film, comprising a support and having coated thereon at least one electrically active layer containing nanocrystalline, nanoporous transition metal oxides and at least one binder or a mixture of binders, wherein the binder or mixture of binders is cross-linked; and at least one electrically inactive layer, comprising polyvinyl alcohol and γ—Al 2 O 3 is on top of said electrically active layer or layers; wherein the support is selected from the group consisting of polyethylene terephthalate, polyethylene naphthalate, polyethylene terephthalate coated with indium tin oxide or metals or polyethylene naphthalate coated with indium tin oxide or metals and the transition metal oxides are selected from the group consisting of TiO 2 , Ti 2 O 3 , Nb 2 O 5 , V 2 O 5 , MoO 3 , MnO 2 , HfO 2 , Fe 2 O 3 , Fe 3 O 4 , RuO 2 , IrO 2 , CeO 2 , InO 2 , TaO 2 , ZnO, SnO 2 , or indium tin oxide having specific surface values of 10 m 2 /g to 400 m 2 /g.