4.6 Article

Polyaspartic Acid-Derived Micro-/Mesoporous Carbon for Ultrahigh H2 and CH4 Adsorption

Journal

ACS OMEGA
Volume 5, Issue 19, Pages 10687-10695

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsomega.9b04110

Keywords

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Funding

  1. National Natural Science Foundation of China [21865026]
  2. Xinjiang Production and Construction Corps Project [2018BC005]
  3. State Key Laboratory of Organic-Inorganic Composites [oic-201901008]
  4. Hebei Key Research and Development Fund project [18273401D]
  5. Hebei Province's Innovation Capacity Improvement Project [18952814D]

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A poly(amino acid)-based approach for scalable synthesis of micro-/mesoporous carbon (PC) with high specific surface area and narrow distribution of micro- and mesopores is presented. Using cross-linked poly aspartic acid as a precursor, PC was obtained by in situ one-step carbonization without the activating agent. The resulting PC had an ultrahigh adsorption capacity for H-2 (4.43 wt %) and CH4 (4.49 mmol g(-1)). This novel method could significantly decrease the wastewater hazards caused by washout of the considerable amount of the activating agent. The PC showed promising application in gas adsorption and storage.

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