Abstract: A fiber composite component includes an integrated structural health sensor arrangement, wherein the component includes a plurality of layers of fibers embedded in a matrix material, wherein the layers include at least two strain sensing fibers arranged parallel and at a distance to each other, wherein the strain sensing fibers are lithiated carbon fibers having piezoelectric characteristics.

Abstract: A fiber composite component includes an integrated structural health sensor arrangement, wherein the component includes a plurality of layers of fibers embedded in a matrix material, wherein the layers include at least two strain sensing fibers arranged parallel and at a distance to each other, wherein the strain sensing fibers are lithiated carbon fibers having piezoelectric characteristics.

Abstract: There is provided a battery and battery half cell comprising at least one carbon fiber as negative electrode, said carbon fiber comprising a plurality of layers with carbon atoms having graphite structure, and ability of intercalating metal ions, said carbon fiber having a strength of at least 1 GPa and a stiffness of at least 100 GPa in the longitudinal direction of said carbon fiber, said carbon fiber at least partially coated with at least one electrically insulating polymer layer acting as an electrolyte, wherein said insulating polymer layer is permeable for metal ions, and has a stiffness of at least 0.5 MPa, an ionic conductivity of at least 10?10 S/m and an electrical resistivity of at least 1010 ?m, said insulating layer a thickness in the interval 10-200 nm. Advantages include possibility to utilize thin layers of electrolytes without creating large ohmic losses, structural batteries can comprise carbon fibers.

Abstract: An arrangement and a method are provided for generating hydrogen from hydrocarbon fuel, wherein hydrocarbon fuel is supplied to a fuel reformer for producing hydrogen rich gas including hydrogen, carbon monoxide and possibly unconverted fuel compounds, wherein the amount of carbon monoxide and/or the unconverted fuel compounds is reduced with the help of a molten salt reactor arranged downstream the fuel reformer. An auxiliary power unit including such an arrangement is also provided.

Abstract: An arrangement and a method are provided for generating hydrogen from hydrocarbon fuel, wherein hydrocarbon fuel is supplied to a fuel reformer for producing hydrogen rich gas including hydrogen, carbon monoxide and possibly unconverted fuel compounds, wherein the amount of carbon monoxide and/or the unconverted fuel compounds is reduced with the help of a molten salt reactor arranged downstream the fuel reformer. An auxiliary power unit including such an arrangement is also provided.