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Updated: Jun 14, 2026

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
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Polyolefin Recycling with Binary Cobalt-Nickel Nanosheets.

Baogang Su1,2, Mengjun Wang2, Xiaofei Lai1,2

  • 1School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, China.

Small (Weinheim an Der Bergstrasse, Germany)
|March 31, 2025
PubMed
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Binary cobalt-nickel nanosheets efficiently recycle polyolefin plastics into valuable chemicals. This low-cost, stable catalyst achieves high conversion and selectivity for plastic waste transformation.

Area of Science:

  • Catalysis
  • Materials Science
  • Environmental Chemistry

Background:

  • Polyolefin plastics pose significant environmental challenges due to their persistence.
  • Recycling polyolefins into value-added chemicals is a critical area of research.

Purpose of the Study:

  • To develop a non-noble metal catalyst for efficient polyolefin plastic recycling.
  • To investigate the catalytic performance of binary cobalt-nickel nanosheets (Co-Ni NSs).

Main Methods:

  • Synthesis of binary cobalt-nickel nanosheets (Co-Ni NSs).
  • Catalytic cracking of polyethylene and polypropylene plastics using Co-Ni NSs.
  • Analysis of catalyst synergy and reaction mechanisms.

Main Results:

Keywords:
Co─Ni nanosheetsHydrogenolysisPolyolefinRecyclingSynergy

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Last Updated: Jun 14, 2026

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  • Co-Ni NSs demonstrated high catalytic activity for polyolefin plastic recycling.
  • Achieved >98% conversion of polyethylene plastic to liquid products.
  • Attained 83.3% selectivity for liquid products, indicating efficient value-added chemical generation.

Conclusions:

  • Binary Co-Ni NSs offer a feasible, low-cost, and stable catalytic strategy for polyolefin waste recycling.
  • The synergistic effect between cobalt and nickel enhances catalytic performance.
  • This approach provides a promising route for sustainable plastic waste management and chemical production.