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September 10, 2025Energy Storage

Silver‐Doped Mesoporous Spinel NiCo2O4 Nanorods as Advanced Electrodes for Supercapacitors: From Material Design to Device‐Scale Evaluation

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Authors

NDNagarajan DhashnamoorthyBNBalaji NandhakumarARA.V. Radhamani

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Overview

Electrochemical analysis indicates enhanced specific capacitance in Ag-doped NiCo2O4, suggesting improved supercapacitor performance.

Key Points

  • The maximum specific capacitance achieved was 1501 F g−1 for the Ag-doped sample with x = 0.4, showcasing its strong potential.
  • Cyclic studies indicated high retention capacities of 94% and 106% for samples x = 0 and x = 0.4 after 5000 cycles, demonstrating durability.
  • BET analysis revealed that increasing Ag content affects pore size and surface area, impacting performance, especially for x = 0.5.
  • The asymmetric supercapacitor outperformed the symmetric design with a specific capacitance of 178 F g−1, maintaining high efficiency across cycles.

Cite This Study

Dhashnamoorthy et al. (2025) studied this question.

synapsesocial.com/papers/68c1925e9b7b07f3a0617371https://doi.org/10.1002/est2.70266
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