A novel cellulose nanofiber based flexible N-doped carbon mesh was prepared via the simple computerized numerical control (CNC) wet spinning and carbonization process using celluose nanofiber, graphene oxide and silk fibroin as raw materials. The cellulose nanofiber based flexible N-doped carbon mesh not only has welded microstructures at the intersection, but also has highly wrinkle microstructures along the axially oriented orientation. The N-doped carbon mesh materials exhibit excellent electrical conductivity with good flexibility. When the carbonization temperature is 1200 C, the sheet resistance of the carbon-based flexible mesh is only 27 ± 10 Ω/sq. In addition, the maximum area specific capacitance of flexible N-doped carbon mesh symmetric interdigital solid supercapacitor is about 4.5 mF cm⁻² at a current density of 2.5 μA cm⁻². The N-doped carbon mesh also displays excellent folding endurance. The capacitance retention rate is up to 152% after folding 50,000 times.

以纤维素纳米纤维，氧化石墨烯和丝素蛋白为原料，通过简单的计算机数控湿法纺丝和碳化工艺制备了一种新型的基于纤维素纳米纤维的柔性N掺杂碳网。基于纤维素纳米纤维的柔性N掺杂碳网不仅在相交处具有焊接的微结构，而且沿轴向取向具有高度的皱纹微结构。掺氮碳网材料具有优良的导电性和良好的柔韧性。当碳化温度为1200℃时，碳基柔性网的薄层电阻仅为27±10Ω/ sq。另外，柔性N掺杂碳网对称叉指状固体超级电容器的最大面积比电容为约4.5mF cm ^-2。在2.5μAcm ^-2的电流密度下。N掺杂碳纤维网眼也表现出出色的耐折性。折叠50,000次后，电容保持率高达152％。