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US 2024/0194370 A1Published application
Metal-inside-fiber-composite and method for producing a metal-and-fiber-composite
AssigneeqCella AG
InventorsMarkus NIEDERBERGER, Murielle SCHRECK
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Abstract
A The metal-inside-fiber-composite including a biopolymer based fiber having a fiber wall and a void space. The fiber wall envelops the void space such that the void space forms a continuous void space inside and along the fiber. A metal microstructure makes the metal-inside-fiber-composite electrically conductive. A method for producing a metal-and-fiber-composite, in particular a metal-inside-fiber composite, is also provided.
Claims17
A metal-inside-fiber-composite, comprising:
- a biopolymer based fiber having a fiber wall and a void space, wherein the fiber wall envelops the void space such that the void space is formed as a continuous void space inside and along the fiber;
- a metal microstructure,
- wherein the metal microstructure
- is a microstructure of an elemental metal,
- fills and extends through and along the continuous void space such that the fiber wall forms a protective layer around the metal microstructure,
- includes metal particles
- that are crystalline,
- has an average particle size of at least 80 nm,
- that are interconnected to form the metal microstructure,
- is included in the metal-inside-fiber-composite by at least 60 weight percent of a total weight of the metal-inside-fiber-composite, and
- is electrically conductive to make the metal-inside-fiber-composite electrically conductive.
8 more elements
A method for producing a metal-and-fiber-composite, comprising the steps of:
- providing a fibrous material;
- providing a first reactant mixture including a metal salt dissolved in a first alcohol;
- combining the first reactant mixture with the fibrous material;
- heating the first reactant mixture being combined with the fibrous material to at least 140° C.;
- with the first reactant mixture being combined with the fibrous material at the at least 140° C., adding a second reactant mixture to the first reactant mixture being combined with the fibrous material;
- reacting the reactant mixtures at the at least 140° C. to metallize the fibrous material;
- wherein
- the second reactant mixture includes the metal salt dissolved in the first alcohol, and
- adding the second reactant mixture to the first reactant mixture being combined with the fibrous material is repeated at least once.
6 more elements
Dependencies are inferred from the claim text.