MANGANESE OXIDES/GRAPHENE NANOCOMPOSITES, FILMS, MEMBRANES AND METHODS OF MAKING THE SAME
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
B01J-023/34
B01J-035/06
B01J-020/28
B01J-021/18
B01J-020/20
B01J-020/06
출원번호
US-0815079
(2015-07-31)
공개번호
US-0059215
(2016-03-03)
발명자
/ 주소
., .
출원인 / 주소
Fraunhofer USA, Inc.
인용정보
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초록
Graphene/manganese oxide-based structures (e.g., nanocomposites, films and membranes) are described herein, as well as methods of making the same.
대표청구항▼
1. A nanocomposite comprising: at least one layer comprising graphene; andmanganese oxide nanowires, wherein an average length of the nanowires is greater than about 10 micrometers and an average diameter of the nanowires is between about 5 nanometers and about 100 nanometers. 2. The nanocomposite o
1. A nanocomposite comprising: at least one layer comprising graphene; andmanganese oxide nanowires, wherein an average length of the nanowires is greater than about 10 micrometers and an average diameter of the nanowires is between about 5 nanometers and about 100 nanometers. 2. The nanocomposite of claim 1, wherein the manganese oxide nanowires are distributed on a surface of the layer. 3. The nanocomposite of claim 1, wherein the manganese oxide nanowires comprise manganese oxide-based octahedral molecular sieves. 4. The nanocomposite of claim 3, wherein the manganese oxide octahedral molecular sieves include an interstitial cation. 5. The nanocomposite of claim 4, wherein the interstitial cation comprises a cation selected from the group consisting of H, Li, K, Rb, Cs, Ba, Mg, Ca, Pb, Co, Ni, Cu, Fe, V, Nb, Ta, Cr, Mo, Ag, W, Zr, Ti, Cd, Zn, Ln, ammonium, and combinations thereof. 6. The nanocomposite of claim 3, wherein the manganese oxide octahedral molecular sieves include a framework substituting cation. 7. The nanocomposite of claim 6, where in the framework substituting cation comprises a cation selected from the group consisting of H, Li, K, Rb, Cs, Ba, Mg. Ca, Pb, Co, Ni, Cu, Fe, V, Nb, Ta, Cr, Mo, Ag, W, Zr, Ti, Cd, Zn, Ln, and combinations thereof. 8. The nanocomposite of claim 3, wherein the manganese oxide-based octahedral molecular sieves comprise a 1×n tunnel structure group comprising pyrolusite (with a 1×1 tunnel) and/or ramsdellite (1×2). 9. The nanocomposite of claim 3, wherein the manganese oxide-based octahedral molecular sieves comprise a 2×n tunnel structure group comprising hollandite (2×2) and/or romanechite (2×3). 10. The nanocomposite of claim 3, wherein the manganese oxide-based octahedral molecular sieves comprise a 3×n tunnel structure group comprising todorokite (3×3). 11. The nanocomposite of claim 1, wherein the nanocomposite comprises more than one layer comprising graphene. 12. The nanocomposite of claim 1, wherein the at least one layer is graphene. 13. The nanocomposite of claim 1, wherein the at least one layer is graphene oxide. 14. A film, comprising the nanocomposite of claim 1 on a surface of a support. 15. The film of claim 14, wherein the surface area of the film is about 10 to 600 square meters per gram. 16. A free standing membrane comprising: layers comprising graphene self-assembled with manganese oxide nanowires, wherein an average length of the nanowires is greater than about 10 micrometers and an average diameter of the nanowires is between about 5 nanometers and about 100 nanometers 17. The membrane of claim 16, wherein the average thickness of the membrane is about 1.0 micrometer to 10 millimeters.
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