用于超高氢气和甲烷吸附的聚天冬氨酸衍生的微/介孔碳
Polyaspartic Acid-Derived Micro-/Mesoporous Carbon for Ultrahigh H and CH Adsorption.
作者信息
Zhao Jianbo, Wei Jun, Cai Di, Cao Hui, Tan Tianwei
机构信息
College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
Engineering Laboratory of Chemical Resources Utilization in South Xinjiang of Xinjiang Production and Construction Corps, College of Life Sciences, Tarim University, Alar, Xinjiang 843300, PR China.
出版信息
ACS Omega. 2020 May 11;5(19):10687-10695. doi: 10.1021/acsomega.9b04110. eCollection 2020 May 19.
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 (4.43 wt %) and CH (4.49 mmol g). 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.
提出了一种基于聚氨基酸的方法，用于可扩展地合成具有高比表面积和窄微孔与介孔分布的微孔/介孔碳（PC）。以交联聚天冬氨酸为前驱体，在无活化剂的情况下通过原位一步碳化获得了PC。所得PC对H₂（4.43 wt%）和CH₄（4.49 mmol g⁻¹）具有超高吸附容量。这种新方法可显著降低因大量活化剂被冲洗而造成的废水危害。PC在气体吸附和存储方面显示出有前景的应用。
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