Cellulose nanofibers(CNFs),a new type of one-dimensional nanomaterials,have the characteristics of wide sources,high aspect ratio and excellent mechanical properties.A variety of electromagnetic shielding com-posite materials,such as aerogels,films and sponges,can be prepared by using CNFs as the carrier or reinforce-ment phase through different methods.In this paper,based on the principle of electromagnetic shielding,the pre-paration methods and the research progress of different CNFs-based electromagnetic shielding composites are reviewed,and the differences in the structure and performances of different CNFs-based electromagnetic shielding materials are compared.Finally,the research trends and application prospects of CNFs-based electromagnetic shielding functional composites are prospected.
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