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Waste Biomass Valorization Through Production of Xylose-based Porous Carbon Microspheres for Supercapacitor Applications by Preeti Waribam; Sang Dinh Ngo; Thi Tuong Vi Tran; Suwadee Kongparakul; Prasert Reubroycharoen; Narong Chanlek; Lu Wei; Haibo Zhang; Guoqing Guan; Chanatip Samart is a Environmental Science article available to read on EtoBox.
What is Waste Biomass Valorization Through Production of Xylose-based Porous Carbon Microspheres for Supercapacitor Applications about?
Sequential potassium hydroxide (KOH)-phosphoric acid (H3PO4) activation was applied to biomass waste to fabricate activated carbon microspheres (mCMs) with a controllable porous structure. Carbon microspheres (CMs) were first synthesized from xylose using a bottom-up approach of hydrothermal carbonization. Sequential KOH and HPO activation was applied to the CMs in a KOH-carbon solid reaction. This created pores, which were further enlarged by adsorption of HPO. The KOH:carbon (C) and HPO:C molar ratios, and the HPO heating rate and activation time, were varied to investigate the effect on average pore size and pore distribution. A uniform porous structure was formed without destruction of the spherical shape, and an almost 700-fold increase in surface area was obtained over the non-activated CMs. Following activation with HPO, phosphorous groups were found to be present at the surface of the carbon microspheres. The mCM was tested as a supercapacitor electrode and was shown to have a maximum specific capacitance of up to 277F g. A Ragone plot showed the maximum power density to be 173.88 W Kg. This increased specific capacitance was attributed to the increase in surface area and t
Who reads Waste Biomass Valorization Through Production of Xylose-based Porous Carbon Microspheres for Supercapacitor Applications?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Preeti Waribam; Sang Dinh Ngo; Thi Tuong Vi Tran; Suwadee Kongparakul; Prasert Reubroycharoen; Narong Chanlek; Lu Wei; Haibo Zhang; Guoqing Guan; Chanatip Samart
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0956-053X)
- Published
- 2020
- Language
- EN
- Field
- Environmental Science (Physical Sciences)