Are lignin-derived carbon fibers graphitic enough?

William J. Sagues; Ankush Jain; Dylan Brown; Salonika Aggarwal; Antonio Suarez; Matthew Kollman; Seonghyun Park; Dimitris S. Argyropoulos

doi:10.1039/C9GC01806A

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Are lignin-derived carbon fibers graphitic enough?

William J. Sagues,^a Ankush Jain,

^b Dylan Brown,^a Salonika Aggarwal,^a Antonio Suarez,^a Matthew Kollman,

^a Seonghyun Park^a and Dimitris S. Argyropoulos

*^ac

Author affiliations

* Corresponding authors

^a Department of Forest Biomaterials, North Carolina State University, 2820 Faucette Dr, Raleigh, NC 27606, USA
E-mail: dsargyro@ncsu.edu

^b Department of Chemical & Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC 27606, USA

^c Department of Chemistry, North Carolina State University, 2700 Stinson Dr, Raleigh, NC 27607, USA

Abstract

Single component lignin-derived carbon fibers have been under development for many years, but strength properties are still inferior to those of commercial carbon fibers. The extent of graphitization is an overlooked limitation to lignin-derived carbon fiber development, particularly for high-modulus fibers treated at high temperatures. The tensile moduli of commercial carbon fibers increase with temperature during graphitization, however, lignin-derived carbon fiber moduli stay the same or decrease. This review exposes the inability of lignin-derived carbon fibers to graphitize in a manner similar to commercial carbon fibers, thereby providing rationale for the aforementioned discrepancy in tensile moduli-temperature trends and offering possible tangible future areas of research and development.

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DOI: https://doi.org/10.1039/C9GC01806A
Article type: Critical Review
Submitted: 31 May 2019
Accepted: 11 Jul 2019
First published: 12 Jul 2019

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Green Chem., 2019,21, 4253-4265

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Are lignin-derived carbon fibers graphitic enough?

W. J. Sagues, A. Jain, D. Brown, S. Aggarwal, A. Suarez, M. Kollman, S. Park and D. S. Argyropoulos, Green Chem., 2019, 21, 4253 DOI: 10.1039/C9GC01806A

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Green Chemistry

Are lignin-derived carbon fibers graphitic enough?

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