BENITEZ JARA, F.G.CRUZ, P.D.V.BARBOSA, L.P.CASINI, J.C.S.SAKATA, S.K.PERUZZI, A.J.FARIA, R.N.2020-12-102020-12-102020BENITEZ JARA, F.G.; CRUZ, P.D.V.; BARBOSA, L.P.; CASINI, J.C.S.; SAKATA, S.K.; PERUZZI, A.J.; FARIA, R.N. Low-temperature reduction of graphene oxide using the HDDR process for electrochemical supercapacitor applications. <b>Materials Science Forum</b>, v. 1012, p. 141-146, 2020. DOI: <a href="https://dx.doi.org/10.4028/www.scientific.net/MSF.1012.141">10.4028/www.scientific.net/MSF.1012.141</a>. Disponível em: http://200.136.52.105/handle/123456789/31638.0255-5476http://200.136.52.105/handle/123456789/31638In the present work, attempts of reducing a graphene oxide powder using a low temperature hydrogenation disproportionation desorption and the recombination process (L-HDDR) has been carried out. A lower processing temperature in large scale production is significant when costs are concerned. Graphite oxide was prepared using a modified Hummers’ method dispersed in ethanol and exfoliated using ultrasonication to produce Graphene Oxide (GO). Investigations have been carried out by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The experimental results of L-HDDR processing graphene oxide powder, using unmixed hydrogen at 400°C and relatively low pressures (<2 bars) have been reported. X-ray diffraction patterns showed a reduction of graphene oxide with the L-HDDR process. The results showed that both processes, the L-HDDR as well as the standard HDDR, may be applied to the reduction of graphene oxide in order to produce supercapacitor materials. The advantage of employing the L-HDDR process is a relatively low temperature reducing the cost of treatment, what is a very important factor for producing a large amount of material. Thus, the L-HDDR process has been considered a promising alternative method of reducing graphene oxide with efficiency, with the possibility of large scale production.141-146closedAccessgraphenecapacitorsenergy storagecapacitanceequivalent circuitshydrogenationdesorptionrecombinationArtigo de periódico101210.4028/www.scientific.net/MSF.1012.1410000-0001-6072-5853https://orcid.org/0000-0001-6072-5853Sem Percentil15.00