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February 6, 2026RSC Advances2 citationsOpen Access

A bidirectionally conductive composite membrane based on copper-coated electrospun PI-CNT fibers as a current collector for lithium-ion batteries

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JLJianghui LiuGuizhou Normal UniversitySLShuya LiuTianjin UniversityLZLili ZhaoGuizhou Normal University

Key Points

  • To develop a bidirectional conductivity current collector using copper-coated electrospun fibers for lithium-ion batteries.
  • Fabrication of a PI-CNT-Cu current collector via electrospinning and copper plating.
  • Evaluation of surface roughness to improve adhesion and reduce interfacial resistance.
  • Testing capacity retention over 190 cycles in a lithium-ion battery setup.
  • The developed anode maintains 95.29% capacity after 190 charging cycles.
  • Enhanced adhesion leads to lower interfacial resistance.

Abstract

A PI-CNT-Cu bidirectional conductivity current collector is fabricated by electrospinning and Cu plating. Its rough surface enhances adhesion, lowering interfacial resistance. The graphite/PI-CNT-Cu anode retains 95.29% capacity after 190 cycles.

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Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/698585678f7c464f23008bbdhttps://doi.org/10.1039/d5ra10075e
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