Scalable polyaniline-bridged multifunctional bamboo fiber/carbon nanotubes composite foam via ambient drying for thermal protection and electromagnetic shielding

Yufan Feng; Yaqian Yu; Xueyi Zhou; Tingting Xu; Huining Xiao; Zhiguo Wang; Hongqi Dai; Huiyang Bian

doi:10.1016/j.jobab.2026.100299

Volume 11 Issue 5

Oct. 2026

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Article Navigation > Journal of Bioresources and Bioproducts > 2026 > 11(5): 100299

Yufan Feng, Yaqian Yu, Xueyi Zhou, Tingting Xu, Huining Xiao, Zhiguo Wang, Hongqi Dai, Huiyang Bian. Scalable polyaniline-bridged multifunctional bamboo fiber/carbon nanotubes composite foam via ambient drying for thermal protection and electromagnetic shielding[J]. Journal of Bioresources and Bioproducts, 2026, 11(5): 100299. doi: 10.1016/j.jobab.2026.100299

Citation:

Yufan Feng, Yaqian Yu, Xueyi Zhou, Tingting Xu, Huining Xiao, Zhiguo Wang, Hongqi Dai, Huiyang Bian. Scalable polyaniline-bridged multifunctional bamboo fiber/carbon nanotubes composite foam via ambient drying for thermal protection and electromagnetic shielding[J]. Journal of Bioresources and Bioproducts, 2026, 11(5): 100299. doi: 10.1016/j.jobab.2026.100299

Citation:

Yufan Feng, Yaqian Yu, Xueyi Zhou, Tingting Xu, Huining Xiao, Zhiguo Wang, Hongqi Dai, Huiyang Bian. Scalable polyaniline-bridged multifunctional bamboo fiber/carbon nanotubes composite foam via ambient drying for thermal protection and electromagnetic shielding[J]. Journal of Bioresources and Bioproducts, 2026, 11(5): 100299. doi: 10.1016/j.jobab.2026.100299

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Scalable polyaniline-bridged multifunctional bamboo fiber/carbon nanotubes composite foam via ambient drying for thermal protection and electromagnetic shielding

doi: 10.1016/j.jobab.2026.100299

a Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China;
b Department of Chemical Engineering, University of New Brunswick, New Brunswick E3B 5A3, Canada

Funds:

This work was funded by National Natural Science Foundation of China (No. 22578221), Youth Talent Support Program of China Association for Science and Technology (No. 2023QNRC0352) and Qinglan Project of Jiangsu Province.

Received Date: 2026-04-14
Accepted Date: 2026-08-09
Rev Recd Date: 2026-08-01

Available Online: 2026-11-03

Publish Date: 2026-09-02

Abstract

Abstract

The scalable development of sustainable, high-performance cellulose foams is often impeded by energy-intensive drying processes and the structural vulnerability of porous networks under ambient conditions. In this paper, we report an ambient-pressure drying strategy to fabricate polyaniline-bridged multifunctional bamboo fiber (BF)/multiwalled carbon nanotubes (MWCNTs) composite foam. By employing 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) oxidized cellulose nanofibril (TOCNF) to uniformly disperse MWCNTs within the BF network, a hierarchical porous architecture with mechanical robustness and high electrical conductivity was constructed through ice-templating, Zn²⁺ crosslinking, and hydrogen bonding, effectively resisting capillary-force-induced collapse without the need for freeze-drying or solvent exchange. The optimized Zn²⁺ crosslinked polyaniline-bridged multi-walled carbon nanotubes/bamboo fiber/TOCNF composite foam (Zn-P₃M₄BC₁) exhibited an exceptional electromagnetic interference shielding effectiveness of 61.56 dB, with an absolute specific shielding efficiency (SSE/d) of 2375.2 dB·cm²/g, surpassing most reported carbon-based and polyaniline (PANI)-based aerogels. Furthermore, the synergistic interplay between MWCNTs/PANI and phytic acid endowed composite foam with excellent flame retardancy (limiting oxygen index = 56.8%), low thermal conductivity (0.085 W/(m·K)), and reliable electrothermal and infrared camouflage performance. Overall, this work provides a scalable and energy-efficient route to multifunctional cellulose-based foams for electromagnetic protection, thermal insulation and adaptive infrared camouflage.
- Bamboo fiber,
- Composite foam,
- Ambient drying,
- Thermal insulation,
- Electromagnetic shielding

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References(59)

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