What question did this study set out to answer?

To synthesize mesoporous Mn1.5Co1.5O4/Ni composite electrodes via electrodeposition and evaluate their electrochemical performance in high-voltage asymmetric supercapacitors.

March 31, 2017MaterialsOpen Access

Electrodeposited Porous Mn1.5Co1.5O4/Ni Composite Electrodes for High-Voltage Asymmetric Supercapacitors

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Authors

GPGuan‐Ting Pan SCSiewhui Chong TYThomas C.‐K. Yang

Discussion

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Overview

Experimental study demonstrates high energy density in an asymmetric supercapacitor using Mn1.5Co1.5O4 electrodes, suggesting robust cycling stability for advanced energy storage devices.

Key Points

To synthesize mesoporous Mn1.5Co1.5O4/Ni composite electrodes via electrodeposition and evaluate their electrochemical performance in high-voltage asymmetric supercapacitors.
Synthesized mesoporous Mn1.5Co1.5O4 (MCO) films directly on nickel foam using electrodeposition for varying durations (7.5, 15, and 30 minutes) followed by annealing.
Assembled an asymmetric supercapacitor using the optimized (MCO/Ni)-15 min positive electrode, a plasma-treated activated carbon/Ni negative electrode, and a carboxymethyl cellulose-lithium nitrate gel electrolyte.
The (MCO/Ni)-15 min electrode achieved the highest capacitance compared to electrodes prepared with 7.5-minute and 30-minute deposition times.
Operating within a 2.0 V window, the asymmetric device delivered an energy density of 27.6 Wh·kg−1 and a power density of 1.01 kW·kg−1 at 1 A·g−1.
Following 5000 charge-discharge cycles, the supercapacitor maintained 96% of its energy density and 92% of its power density.

Cite This Study

Pan et al. (2017) studied this question.

synapsesocial.com/papers/6aa9eba1f92ab359461bf376 https://doi.org/10.3390/ma10040370

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March 31, 2017MaterialsOpen Access

Electrodeposited Porous Mn1.5Co1.5O4/Ni Composite Electrodes for High-Voltage Asymmetric Supercapacitors

View Full Paper

Ask AI

Bookmark

Authors

GPGuan‐Ting Pan SCSiewhui Chong TYThomas C.‐K. Yang

Discussion

Member takes

Overview

Experimental study demonstrates high energy density in an asymmetric supercapacitor using Mn1.5Co1.5O4 electrodes, suggesting robust cycling stability for advanced energy storage devices.

Key Points

To synthesize mesoporous Mn1.5Co1.5O4/Ni composite electrodes via electrodeposition and evaluate their electrochemical performance in high-voltage asymmetric supercapacitors.
Synthesized mesoporous Mn1.5Co1.5O4 (MCO) films directly on nickel foam using electrodeposition for varying durations (7.5, 15, and 30 minutes) followed by annealing.
Assembled an asymmetric supercapacitor using the optimized (MCO/Ni)-15 min positive electrode, a plasma-treated activated carbon/Ni negative electrode, and a carboxymethyl cellulose-lithium nitrate gel electrolyte.
The (MCO/Ni)-15 min electrode achieved the highest capacitance compared to electrodes prepared with 7.5-minute and 30-minute deposition times.
Operating within a 2.0 V window, the asymmetric device delivered an energy density of 27.6 Wh·kg−1 and a power density of 1.01 kW·kg−1 at 1 A·g−1.
Following 5000 charge-discharge cycles, the supercapacitor maintained 96% of its energy density and 92% of its power density.

Cite This Study

Pan et al. (2017) studied this question.

synapsesocial.com/papers/6aa9eba1f92ab359461bf376 https://doi.org/10.3390/ma10040370

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