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Filled and Hollow Carbon Nanofibers by Coaxial Electrospinning of Alcell Lignin without Binder Polymers


  • This work was supported by the Spanish Ministry of Education and Science under grants NAN2004-09312-C03/C01 and DPI2004-05246-C04/C03 and by Yflow SL.


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This work reports the formation of both solid and hollow lignin micro- and nanofibers, at room temperature and without polymer binders, by co-electrospinning. These fibers, after thermal stabilization, are carbonized to produce hollow and solid carbon nanofibers (see figure) with specific surface areas similar to values found for active carbon.

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