Research Progress on High-Performance Current Collectors for Zinc-Ion Hybrid Supercapacitors

Lanqi Wang

doi:10.6919/ICJE.202504_11(4).0030

Authors

Lanqi Wang

DOI:

https://doi.org/10.6919/ICJE.202504_11(4).0030

Keywords:

Energy Storage; Zinc-ion Hybrid Supercapacitors; Current Collector.

Abstract

Zinc-ion hybrid supercapacitors (ZIHSs), integrating the high power density of supercapacitors with the high energy density of zinc-ion batteries, have emerged as a cutting-edge technology in advanced energy storage systems. As a critical component bridging electrodes and external circuits, current collectors directly govern the electrical conductivity, interfacial stability, and cycling longevity of ZIHS devices. Recent efforts have focused on optimizing current collectors through material selection, structural design, and surface modification to address performance limitations. This review systematically outlines the fundamental requirements for ZIHS current collectors, critically evaluates recent advancements in metal-based, carbon-based, and composite current collectors, and provides insights into future research directions for developing high-performance architectures. Furthermore, challenges and opportunities in scalable fabrication, low-temperature adaptability, and intelligent functionality integration are discussed to guide the rational design of next-generation ZIHS systems for practical applications.

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