en Research Paper Research Paper <span style="font-size:11pt"><span style="line-height:200%"><span style="font-family:Calibri,sans-serif"><span new="" roman="" style="font-family:" times="">Hybrid asymmetric supercapacitors using distinct cathode/anode materials offer enhanced energy density by expanding operational potential windows compared to symmetric configurations. In this work rGO/&alpha;-Fe₂O₃ and rGO/TiO₂ nanocomposites were synthesized via hydrothermal method for hybrid asymmetric supercapacitors applications. Field emission scanning electron microscope (FESEM) revealed uniform distribution of spherical &alpha;-Fe₂O₃ and TiO₂ nanoparticles on rGO sheets. The X-ray diffractometry (XRD) analysis confirmed the presence of the hematite and anatase in the rGO/&alpha;-Fe₂O₃ and rGO/TiO₂ nanocomposites, respectively. Additionally, in the XRD spectra of both nanocomposites, a broad peak corresponding to the (002) crystalline planes of rGO was observed. Electrochemical testing showed specific capacities of 130 F/g (rGO/&alpha;-Fe₂O₃) and 253 F/g (rGO/TiO₂) at 5 mV/s in 1M KOH. The assembled hybrid asymmetric supercapacitors (rGO/&alpha;-Fe₂O₃//rGO/TiO₂) achieved a 1.6 V operational potential window. Power density and energy density of 1066 W kg^-1 and 9.7 Wh kg^-1 were achieved at a current density of 1 A/g, respectively.</span></span></span></span><br> &nbsp; Hybrid Asymmetric supercapacitor,Graphene oxide,rGO/α-Fe2O3,rGO/TiO2,nanocomposite 99 106 http://ijmse.iust.ac.ir/browse.php?a_code=A-10-1978-3&slc_lang=en&sid=1 Zeinab Abbasali KarajAbad ze.abasali@gmail.com 1800319475328460019601 1800319475328460019601 No Sharif University of Technology Adrine Malek Khachatourian khachatourian@sharif.edu 1800319475328460019602 1800319475328460019602 Yes Sharif University of Technology Mohammad Golmohammad mgolmohammad@nri.ac.ir 1800319475328460019603 1800319475328460019603 No Niroo Research Institute (NRI) Ali Nemati nemati@sharif.edu 1800319475328460019604 1800319475328460019604 No Sharif University of Technology