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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0545673 (2009-08-21) |
등록번호 | US-9793523 (2017-10-17) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 596 |
The present invention relates to apparatus, compositions and methods of fabricating high performance thin-film batteries on metallic substrates, polymeric substrates, or doped or undoped silicon substrates by fabricating an appropriate barrier layer composed, for example, of barrier sublayers betwee
The present invention relates to apparatus, compositions and methods of fabricating high performance thin-film batteries on metallic substrates, polymeric substrates, or doped or undoped silicon substrates by fabricating an appropriate barrier layer composed, for example, of barrier sublayers between the substrate and the battery part of the present invention thereby separating these two parts chemically during the entire battery fabrication process as well as during any operation and storage of the electrochemical apparatus during its entire lifetime. In a preferred embodiment of the present invention thin-film batteries fabricated onto a thin, flexible stainless steel foil substrate using an appropriate barrier layer that is composed of barrier sublayers have uncompromised electrochemical performance compared to thin-film batteries fabricated onto ceramic substrates when using a 700° C. post-deposition anneal process for a LiCoO2 positive cathode.
1. A method of fabricating an electrochemical apparatus comprising: (a) providing a substrate of material comprising at least one of metal, metalized polymeric and silicon;(b) depositing a first barrier layer comprising a plurality of chemically different sublayers wherein said substrate is on a fir
1. A method of fabricating an electrochemical apparatus comprising: (a) providing a substrate of material comprising at least one of metal, metalized polymeric and silicon;(b) depositing a first barrier layer comprising a plurality of chemically different sublayers wherein said substrate is on a first side of said first barrier layer;(c) fabricating a first electrochemically active cell comprising a positive part and a negative part, said parts each comprising one or more terminals, wherein said first cell is located on a second side of said first barrier layer, and said first barrier layer chemically separates said first cell from said substrate; and(d) fabricating said first barrier layer wherein a sublayer of said first barrier layer contacts another sublayer of said first barrier layer, and wherein said first barrier layer is in electrical communication with said first cell and said substrate. 2. The method of claim 1 further comprising providing a plurality of electrochemically active cells on said first side of said substrate. 3. The method of claim 1 further comprising: a) prohibiting said positive part of said first electrochemically active cell from electrically contacting said negative part of said first electrochemically active cell;b) providing a positive cathode, a cathode current collector, and a positive terminal on said positive part of said first electrochemically active cell; andc) providing a negative anode, an anode current collector, and a negative terminal on said negative part of said first electrochemically active cell. 4. The method of claim 3 further comprising providing said cathode current collector as said positive terminal. 5. The method of claim 3 further comprising providing said anode current collector as said negative terminal. 6. The method of claim 3 further comprising providing said anode current collector as said anode. 7. The method of claim 3 further comprising providing said anode current collector as said anode current collector, said anode, and said negative terminal. 8. The method of claim 1 further comprising providing said sublayers with each sublayer comprising a same shape and area size. 9. The method of claim 1 further comprising providing at least one of said sublayers comprising a different shape and area size from another of said plurality of sublayers. 10. The method of claim 1 further comprising covering said substrate only partially with said first barrier layer such that at least said positive part of said first electrochemically active cell is chemically separated from said substrate. 11. The method of claim 1 further comprising providing said first barrier layer only partially covering said substrate such that at least the negative part of said first electrochemically active cell is chemically separated from said substrate. 12. The method of claim 1 further comprising fabricating said sublayers from a chemical compound selected: a) from the group of metals, semi-metals, alloys, borides, carbides, diamond, diamondlike carbon, silicides, nitrides, phosphides, oxides, fluorides, chlorides, bromides, iodides;b) from the group of any multinary compounds composed of borides, carbides, silicides, nitrides, phosphides, oxides, fluorides, chlorides, bromides, and iodides, or from the group of high-temperature stable organic polymers and high-temperature stable silicones. 13. The method of claim 1 further comprising fabricating said sublayers from a single phase of crystalline, nano-crystalline, amorphous, or glassy material or any poly-phase mixture or composite thereof. 14. The method of claim 1 further comprising fabricating said sublayers from a single phase of amorphous or glassy material. 15. The method of claim 1 further comprising fabricating a positive cathode on said first electrochemically cell by an in-situ or ex-situ temperature process between 1000 e and up to the melting point of said substrate so that said positive cathode comprises crystallites having a size of at least 100 A. 16. The method of claim 1 further comprising protecting said first electrochemically active cell or said electrochemical apparatus, respectively, against at least mechanical and chemical factors from the ambient environment by providing a protective encapsulation or a protective encasing. 17. The method of claim 16 further comprising fabricating said encapsulation or said encasing with at least one opening allowing direct electrical contact to said one or more terminals of said first electrochemically active cell. 18. The method of claim 17 further comprising providing an electrolyte in one said electrochemically active cell and separating said electrolyte from said one or more terminals by a moisture protection layer. 19. The method of claim 18 further comprising fabricating said moisture protection layer from materials that possess moisture blocking properties and selecting a chemical compound for said protection layer: a) from the group of metals, semi-metals, alloys, borides, carbides, diamond, diamondlike carbon, silicides, nitrides, phosphides, oxides, fluorides, chlorides, bromides, iodides;b) from the group of any multi nary compounds composed of borides, carbides, silicides, nitrides, phosphides, oxides, fluorides, chlorides, bromides, and iodides; orc) from the group of high-temperature stable organic polymers and high-temperature stable silicones. 20. The method of claim 18 further comprising fabricating said moisture protection layer from materials that comprise a single phase of crystalline, nano-crystalline, amorphous, or glassy material or any poly phase mixture or composite thereof. 21. The method of claim 1 further comprising depositing a second barrier layer onto a second side of said substrate for the purpose of chemical protecting said substrate and said first electrochemically active cell on said first side of the substrate from the ambient environment prior to the fabrication of said first electrochemically active cell; and chemically protecting said first electrochemically active cell by blocking the diffusion of contaminants from the ambient environment. 22. The method of claim 21 further comprising fabricating said second barrier layer from a chemical compound selected: a) from the group of metals, semi-metals, alloys, borides, carbides, diamond, diamondlike carbon, silicides, nitrides, phosphides, oxides, fluorides, chlorides, bromides, iodides;b) from the group of any multinary compounds composed of borides, carbides, silicides, nitrides, phosphides, oxides, fluorides, chlorides, bromides, and iodides; orc) from the group of high-temperature stable organic polymers and high-temperature stable silicones. 23. The method of claim 21 further comprising thermally relieving said first barrier layer and said second barrier layer by an in-situ or ex-situ temperature process between 100° C. and up to the melting point of said substrate and wherein said ex-situ temperature process further comprises applying said temperature process after deposition of said first barrier layer and said second barrier layer. 24. The method of claim 1 wherein at least one of said sublayers comprises an electrically insulating material.
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