Lightweight Co@MXene/Cellulose-Derived Carbon Aerogel for Electromagnetic Shielding and Absorption Capacity
Source abstract
Abstract
Developing low-density and high-efficiency electromagnetic shielding material with a high absorption coefficient is of great importance. In this work, we successfully prepared a nanostructured Co@MXene/cellulose-derived carbon aerogel via a simple solution mixing–regeneration, freeze-drying, and pyrolysis process. By regulating the concentration of Co 2+, the degree of its dispersion in the cellulose-derived carbon aerogel can be flexibly adjusted to improve the electromagnetic shielding performance. Thanks to the synergistic effect of the porous structure and electric/magnetic coupling loss, the synthesized carbon aerogel exhibits an absorption coefficient of 0.65 and a high electromagnetic interference (EMI) shielding efficiency (SE) of 40.4 dB when the thickness is 2 mm, which achieve both a high SE and an absorption-based shielding mechanism. It provides an effective method for designing high-performance EMI shielding materials with low reflection and strong absorption properties.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electromagnetic wave absorption materials · MXene and MAX Phase Materials · Advanced Antenna and Metasurface Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
The Faculty of Printing, Packaging Engineering and Digital Media Technology
Xi’an University of Technology
School of Materials Science and Engineering
Funding
Shaanxi Provincial Science and Technology Department · Xiâ??an Science and Technology Plan Project
References (42)
Show source-provided references
1. 10.1007/s40820-023-01246-810.1007/s40820-023-01246-8 ↗
2. 10.1002/smll.20240759910.1002/smll.202407599 ↗
3. 10.1002/adfm.20241469410.1002/adfm.202414694 ↗
4. 10.1002/adfm.20240219310.1002/adfm.202402193 ↗
5. 10.1021/acsanm.3c0538410.1021/acsanm.3c05384 ↗
6. 10.1002/adfm.20242124210.1002/adfm.202421242 ↗
7. 10.1016/j.cej.2024.15570710.1016/j.cej.2024.155707 ↗
8. 10.1002/adma.20190749910.1002/adma.201907499 ↗
9. 10.1016/j.ceramint.2021.03.03410.1016/j.ceramint.2021.03.034 ↗
10. 10.1002/adfm.20240743910.1002/adfm.202407439 ↗
11. 10.1007/s40820-019-0304-y10.1007/s40820-019-0304-y ↗
12. 10.1007/s40820-021-00766-510.1007/s40820-021-00766-5 ↗
13. 10.1002/adma.20250244310.1002/adma.202502443 ↗
14. 10.1016/j.jmst.2024.10.03210.1016/j.jmst.2024.10.032 ↗
15. 10.1002/adma.20190676910.1002/adma.201906769 ↗
16. 10.1016/j.carbon.2020.10.09010.1016/j.carbon.2020.10.090 ↗
17. 10.1016/j.carbon.2023.03.05010.1016/j.carbon.2023.03.050 ↗
18. 10.1021/acsnano.2c0711110.1021/acsnano.2c07111 ↗
19. 10.1007/s10570-024-05736-910.1007/s10570-024-05736-9 ↗
20. 10.1016/j.compositesa.2019.10569210.1016/j.compositesa.2019.105692 ↗
21. 10.1016/j.compositesb.2024.11204310.1016/j.compositesb.2024.112043 ↗
22. 10.1021/acsami.2c2244710.1021/acsami.2c22447 ↗
23. 10.1016/j.carbon.2024.11915510.1016/j.carbon.2024.119155 ↗
24. 10.1016/j.carbon.2020.11.03610.1016/j.carbon.2020.11.036 ↗
25. 10.1016/j.carbon.2021.02.04710.1016/j.carbon.2021.02.047 ↗
26. 10.1002/adma.20241408510.1002/adma.202414085 ↗
27. 10.1016/j.cej.2024.15869110.1016/j.cej.2024.158691 ↗
28. 10.1016/j.compscitech.2025.11113610.1016/j.compscitech.2025.111136 ↗
29. 10.1016/j.cej.2022.13939510.1016/j.cej.2022.139395 ↗
30. 10.1016/j.carbon.2020.10.03910.1016/j.carbon.2020.10.039 ↗
31. 10.1021/acsanm.4c0720010.1021/acsanm.4c07200 ↗
32. 10.1016/j.carbpol.2025.12336910.1016/j.carbpol.2025.123369 ↗
33. 10.1016/j.cej.2022.13866710.1016/j.cej.2022.138667 ↗
34. 10.1002/adma.20221024310.1002/adma.202210243 ↗
35. 10.1038/s41467-025-60707-310.1038/s41467-025-60707-3 ↗
36. 10.1002/adfm.20220992410.1002/adfm.202209924 ↗
37. 10.1021/acsami.5b1207210.1021/acsami.5b12072 ↗
38. 10.1021/acsami.7b0452310.1021/acsami.7b04523 ↗
39. 10.1021/acsami.0c1153010.1021/acsami.0c11530 ↗
40. 10.1016/j.matdes.2021.10969510.1016/j.matdes.2021.109695 ↗
41. 10.1016/j.compositesa.2022.10707710.1016/j.compositesa.2022.107077 ↗
42. 10.1021/acs.chemmater.0c0150710.1021/acs.chemmater.0c01507 ↗