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Sol–Gel Auto-combustion Synthesis of Strontium Ferrite Nanoparticles with Reduced Graphene Oxide Hybrid Nano-composite Electrode.

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Title: Sol–Gel Auto-combustion Synthesis of Strontium Ferrite Nanoparticles with Reduced Graphene Oxide Hybrid Nano-composite Electrode.
Authors: Nain, Urvashi1 (AUTHOR) urvashinain95@gmail.com, Sharma, Vishal1 (AUTHOR) vishal.13472@lpu.co.in, Jain, Alok1 (AUTHOR) alok.jain@lpu.co.in
Source: Topics in Catalysis. Feb2026, Vol. 69 Issue 4-7, p801-808. 8p.
Subjects: Strontium ferrite, Graphene oxide, Nanocomposite materials, Nanoparticles, Energy storage, Supercapacitors, Electrodes, Sol-gel processes
Abstract: With an emphasis on supercapacitor applications, this work offers a straightforward, scalable method for creating binary composite designs for electrode materials. SrFe2O4 was combined with reduced graphene oxide (rGO) to make the composite. The creation of supercapacitors, which are prized for their high energy density, quick charging and discharging rates, extended life cycle, and affordability, is what makes this work significant. For electrochemical testing, nickel foam was used as the electrode substrate, and 3-M KOH solution as the electrolyte. The binary compound rGO-SrFe2O4 was produced via sol-gel auto-combustion before assessment." The composite rGO-SrFe2O4 exhibited a specific capacitance of 445.4 F/g at a scan rate of 10 mV/s, as determined by electrochemical studies, highlighting the synergistic effect of rGO. Moreover, according to galvanostatic charge-discharge (GCD), the specific capacitance value for rGO-SrFe2O4 was found 425 F/g at 1 A/g. This study aims to pave the way for the development of cutting-edge materials with higher performance, broadening the scope of potential energy storage applications by revealing the synergistic effects of reduced graphene oxide with strontium ferrite in electrodes. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:With an emphasis on supercapacitor applications, this work offers a straightforward, scalable method for creating binary composite designs for electrode materials. SrFe2O4 was combined with reduced graphene oxide (rGO) to make the composite. The creation of supercapacitors, which are prized for their high energy density, quick charging and discharging rates, extended life cycle, and affordability, is what makes this work significant. For electrochemical testing, nickel foam was used as the electrode substrate, and 3-M KOH solution as the electrolyte. The binary compound rGO-SrFe2O4 was produced via sol-gel auto-combustion before assessment." The composite rGO-SrFe2O4 exhibited a specific capacitance of 445.4 F/g at a scan rate of 10 mV/s, as determined by electrochemical studies, highlighting the synergistic effect of rGO. Moreover, according to galvanostatic charge-discharge (GCD), the specific capacitance value for rGO-SrFe2O4 was found 425 F/g at 1 A/g. This study aims to pave the way for the development of cutting-edge materials with higher performance, broadening the scope of potential energy storage applications by revealing the synergistic effects of reduced graphene oxide with strontium ferrite in electrodes. [ABSTRACT FROM AUTHOR]
ISSN:10225528
DOI:10.1007/s11244-025-02182-0