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Carbon-enriched petroleum pitch derived from activated carbon for conductive agent-free supercapacitors

2026-03-05

0

PRE

AI

J

Ji Su Chae

Y

Yun Chan Kang

K

Kwang Chul Roh *

DOI：10.1016/j.jiec.2026.03.003

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• High-purity activated carbon derived from petroleum pitch via CO2/steam activation. • Conductive additive-free electrodes achieved 25.4F/g and 94.4% retention over 10,000 cycles. • Hybrid activation at 1000 °C yielded 2338 m2/g SSA with 37% mesopore fraction. • Simplified fabrication enhances energy density and reduces production cost.

Keywords:

Activated carbon

Supercapacitors

Petroleum pitch

Conductive additive-free

Mesoporous structure

Carbon-enriched petroleum pitch derived from activated carbon for conductive agent-free supercapacitors

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