Thin-film electrochemical devices on fibrous or ribbon-like substrates and method for their manufacture and design
The fabrication of functional thin-film patterns, such as solid-state thin-film batteries on substrates having fibrous, or ribbon-like or strip-like geometry is disclosed. The present invention relates additionally to the design and manufacture of multiple-layer and multi-function thin films.
1 . A method for depositing patterned thin films comprising the steps of:
providing a fibrous substrate;
depositing a plurality of functional layers on portions of said substrate; and
defining said portions in accordance with a function of said functional layer.
2 . The method of claim 1 wherein one or more of said functional layers comprises a layer selected from a group consisting of:
an anode current collector layer; an anode layer; an electrolyte layer; a cathode layer; a cathode current collector layer; an overlayer; a photoactive layer; an n-type window layer; a p-type absorber layer; a transparent conductive layer; an electrically conductive layer; a metallic layer; a semiconductor layer; an optically transmissive layer; a thermally insulating layer; a thermally conductive layer; a weatherproofing layer; a cell contact layer; a via layer; a bus layer; a printed circuit layer; a sheath layer; a lubricating layer; a colored layer; a grip layer; a buffer layer; and an auxiliary layer.
3 . The method of claim 1 , wherein said functional layers are arranged in an exposed anode battery configuration.
4 . The method of claim 1 , wherein said functional layers are arranged in a buried anode battery configuration.
5 . The method of claim 1 , wherein said functional layers are arranged in a lithium-based battery configuration.
6 . The method of claim 1 , wherein said functional layers are arranged in a lithium-ion based battery configuration.
7 . The method of claim 1 , wherein said functional layers are arranged in a lithium-free battery configuration.
8 . The method of claim 1 , wherein said functional layers are arranged in a sodium based battery configuration.
9 . The method of claim 1 , wherein said functional layers are arranged in a proton based battery configuration.
10 . The method of claim 1 , wherein said step of depositing a plurality of functional layers on portions of said substrate comprises a shadow masking technique.
11 . The method of claim 1 , wherein said step of defining said portions in accordance with a function of said functional layer comprises a shadow masking technique.
12 . The method of claim 1 , further comprising applying one or more functional layers to said substrate by means of a shadow masking technique.
13 . A method for depositing electrochemical layers comprising the steps of:
providing a substrate; and
forming a plurality of electrochemical layers on selected portions of said substrate, wherein said forming provides at least a cathode layer and an electrolyte layer, and wherein said electrolyte layer is provided between said cathode layer and said substrate.
14 . The method of claim 13 , wherein said electrochemical layers comprise an anode current collector layer on said substrate, an electrolyte layer on said anode current collector layer, a cathode layer on said electrolyte layer, and a cathode current collector layer on said cathode layer.
15 . The method of claim 14 , further comprising providing an anode layer between said anode current collector layer and said electrolyte layer.
16 . The method of claim 15 , wherein said anode layer comprises a layer selected from a group consisting of a lithium metal anode layer and a lithium-ion anode layer.