2014
DOI: 10.1039/c4cc05457a
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Abstract: The addition of boron as a dopant during the reaction between carbon fiber and permanganate led to significant enhancement of the growth-rate and formation of the porous framework. The doped MnO2 was superior to the pristine sample as electrode materials for supercapacitors in terms of the specific capacitance and rate capability.

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Cited by 52 publications
(33 citation statements)
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“…With similar preparation process, the average loading level of MnO 2 is about 0.175 mg and 0.134 mg for the boron-doped electrode and undoped electrode, respectively. In fact, the addition of boron as dopant leading to significant enhancement in growth-rate of crystal is also found elsewhere [22,23]. Sun et al believe that the difference of the atomic radius between boron and carbon readily gives rise to the occurrence of the crystal lattice distortion and dislocation [24].…”
Section: Capacitive Propertiesmentioning
confidence: 86%
“…With similar preparation process, the average loading level of MnO 2 is about 0.175 mg and 0.134 mg for the boron-doped electrode and undoped electrode, respectively. In fact, the addition of boron as dopant leading to significant enhancement in growth-rate of crystal is also found elsewhere [22,23]. Sun et al believe that the difference of the atomic radius between boron and carbon readily gives rise to the occurrence of the crystal lattice distortion and dislocation [24].…”
Section: Capacitive Propertiesmentioning
confidence: 86%
“…The C SP of the supercapacitors reported here was calculated by Equation (1) using the electrochemical response data generated over a sweep rate of 1 to 500 mV s -1 , within a voltage window of -1 to 1 V. A high C SP value implies a better charge capacity of a supercapacitor [92]. It is performed using cyclic voltammetry or an electrochemical charge station at different sweep rates and within a range of voltages.…”
Section: Fabrication and Characterizationmentioning
confidence: 99%
“…It is performed using cyclic voltammetry or an electrochemical charge station at different sweep rates and within a range of voltages. The C SP of the supercapacitors reported here was calculated by Equation (1) using the electrochemical response data generated over a sweep rate of 1 to 500 mV s -1 , within a voltage window of -1 to 1 V. A high C SP value implies a better charge capacity of a supercapacitor [92].…”
Section: Fabrication and Characterizationmentioning
confidence: 99%
“…Moreover, the α ‐phase MnO 2 possess higher crystal structure stability than δ ‐phase MnO 2 in the charge and discharge process of electrolyte ions, thus α ‐phase MnO 2 shows a better cycling performance. However, as a semiconductor material, the electronic conductivity of MnO 2 is poor which harmful to electronic transport and can cause partial dissolution of MnO 2 to form Mn 2+ and then make the redox reaction irreversible …”
Section: Introductionmentioning
confidence: 99%