Victor Mshi Igba, M. A. Garcia-Lobato, Ulises Matías García-Pérez, E. Oyervides-Muñoz, Eder I. Martínez-Mora
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Activated carbon fibers derived from dryer lint via self-generated atmosphere for supercapacitor applications
Activated carbon fibers (ACFs) were synthesized using a straightforward two-step process from dryer lint microfibers in a self-generated atmosphere. During pyrolysis and activation, a CO/CO2 environment was created based on the Boudouard equilibrium. The resulting ACFs showed a high specific surface area (1720 m2/g), a suitable pore size distribution, and good electrical conductivity (0.34–0.36 S/cm), promoting rapid ion transfer. ACFs demonstrated a high specific capacitance of 156.2 at 0.9 V and 180.3 F/g at 1 V. Notably, ACFs demonstrated outstanding rate capability with a power density exceeding 35 kW/kg, along with an extended cycle life of at least charge/discharge 104 cycles. These results are comparable to methods involving tube furnaces under inert gas with controlled heating ramps.
期刊介绍：
Ionics is publishing original results in the fields of science and technology of ionic motion. This includes theoretical, experimental and practical work on electrolytes, electrode, ionic/electronic interfaces, ionic transport aspects of corrosion, galvanic cells, e.g. for thermodynamic and kinetic studies, batteries, fuel cells, sensors and electrochromics. Fast solid ionic conductors are presently providing new opportunities in view of several advantages, in addition to conventional liquid electrolytes.
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