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oe1(光电查) - 科学论文

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  • Electrochemical properties of PEDOT: PSS /V2O5 hybrid fiber based supercapacitors

    摘要： Binary conducting polymer (CP)/transition metal oxides (TMOs) fiber-based supercapacitors (FSCs) are considered to possess good electrochemical performance and cyclic stability compared with unitary ones since TMOs within FSCs can prevent the structure damage of CP during charge/discharge cycles to some extent. In this study, the CP/TMOs hybrid fibers are made by directly injecting the solution into capillary. Poly(3,4-ethylenedioxythiophene): polystyrene sulfonate /30 wt% vanadium pentoxide (PEDOT: PSS/30 wt% V2O5) fiber-based electrode has good electrochemical performance and cyclic stability (cycle retention: 94.02% after 4000 cycles at 0.1 mA/cm2). The energy density of the PEDOT: PSS/30 wt% V2O5 fiber in gel electrolyte is 1.37 μWh/cm2 at power density of 20 μW/cm2, which is much lower than the one in organic electrolyte (21.46 μWh/cm2 at power densities of 162.5 μW/cm2). Therefore, the method developed in this work induces good electrochemical performance for hybrid FSCs and promotes scalable fabrication of FSCs.

    关键词： transition metal oxides,supercapacitor,Conducting polymers,electrochemical performance,hybrid fiber

    更新于2025-09-23 15:23:52

  • [IEEE 2018 IEEE 7th International Conference on Photonics (ICP) - Langkawi, Malaysia (2018.4.9-2018.4.11)] 2018 IEEE 7th International Conference on Photonics (ICP) - Influence of Raman Pump Direction on the Performance of Serial Hybrid Fiber Amplifier in C+L-Band

    摘要： This study demonstrates the simulation and experimental validation of a serial hybrid Raman/erbium-doped fiber amplifier in the C+L optical communication bands. The erbium-doped fiber is pumped by the residual Raman pump to enhance pump conversion efficiency in forward (Type A) and backward (Type B) direction. The amplifier was tested with three different input levels where the overall finding shows Type B provides better gain (average of 20dB across band) than Type A at the expense of noise figure (2dB higher).

    关键词： serial hybrid fiber amplifier,recycling technique,conventional technique

    更新于2025-09-10 09:29:36