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In-situ construction of N-doped hollow carbon polyhedral cage anchored Co-Ni dual binding sites as nanoreactor for efficient real lignin oil hydrodeoxygenation

Author

Listed:
  • Zhu, Yingbo
  • Ma, Yulong
  • Sun, Yonggang
  • Wang, Liqiong
  • Ding, Jie
  • Zhong, Yudan
  • Zhang, Juan
  • Wang, Lei
  • Li, Yuanyuan

Abstract

Rational design multifunctional nanoreactor with high activity under H2-free/low-H2 conditions for lignin hydrodeoxygenation reaction (HDO) is attractive for sustainable energy conversion. Here, strategy for in-situ assembly-etching was proposed to prepare N-doped hollow carbon polyhedral cage anchored Co-Ni dual binding sites as nanoreactors (CoxNiy/NC). Its unique and controllable hollow structure exhibits high content of pyridine-N as Lewis-base site for adsorption of substrate, and in adjacent nitrogen defect sites as active metal anchors enabled the Co2Ni1/NC to perform perfect the hydrodeoxygenation of real lignin oil. The conversion of lignin pyrolytic oil to cycloalkane products was achieved under 0.2 MPa H2 and 3 h, the yield of total liquid product and the cyclohexane were 87.8 wt% and 53.4 wt%, respectively. This research provides a novel way for upgrading raw bio-oil to high-value products under low energy consuming conditions.

Suggested Citation

  • Zhu, Yingbo & Ma, Yulong & Sun, Yonggang & Wang, Liqiong & Ding, Jie & Zhong, Yudan & Zhang, Juan & Wang, Lei & Li, Yuanyuan, 2023. "In-situ construction of N-doped hollow carbon polyhedral cage anchored Co-Ni dual binding sites as nanoreactor for efficient real lignin oil hydrodeoxygenation," Renewable Energy, Elsevier, vol. 217(C).
    • Handle: RePEc:eee:renene:v:217:y:2023:i:c:s0960148123011370
    DOI: 10.1016/j.renene.2023.119222
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    Keywords

    Lignin pyrolytic oil; Hollow nanoreactor; N-Doped carbon; Low H2 condition;
    All these keywords.

    JEL classification:

    • H2 - Public Economics - - Taxation, Subsidies, and Revenue

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