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Erschienen in: Journal of Materials Science: Materials in Electronics 16/2018

22.06.2018

Ultralight, highly flexible and conductive carbon foams for high performance electromagnetic shielding application

verfasst von: Yongliang Tang, Dengji Li, Dongy Ao, Sean Li, Xiaotao Zu

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 16/2018

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Abstract

A light-weight, highly flexible and conductive carbon foam with a 3D interconnected network is prepared by direct carbonization of melamine foam. Electrical conductivity of the foam can be tuned by adjusting the carbonization procedure and can reach 177 Sm−1. The carbon foam has a density of 6.15 mgcm−3 with a porosity of ~ 99.6%. Besides, the foam is highly flexible, and can sustain repeated deformations and recover. The electromagnetic interference shielding effectiveness (EMI SE) property of the foam is strongly dependent on the electrical conductivity and the thickness of the foam. The EMI SE of the foam with a thickness of 1 mm can reach 23 dB at X band, and the specific EMI SE can be as high as ~ 3800 dBcm3g−1.

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Metadaten
Titel
Ultralight, highly flexible and conductive carbon foams for high performance electromagnetic shielding application
verfasst von
Yongliang Tang
Dengji Li
Dongy Ao
Sean Li
Xiaotao Zu
Publikationsdatum
22.06.2018
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 16/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-018-9493-2

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