Pilot scale demonstration of a two-stage pretreatment and bioethanol fermentation process for cotton gin trash

Vancov, Tony; Palmer, J.; Keen, B.

doi:10.1016/j.biortech.2021.125224

Cited by 6 publications

(1 citation statement)

References 35 publications

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“…However, natural cotton is composed of long fiber chains, and hence it is difficult to fabricate its films directly by a simple solution-casting method . In addition, the poor mechanical properties of membranes prepared by pure cotton fibers result in cellulose swelling by the H 2 SO 4 electrolyte, which leads to a collapse of the structure. − In this work, we consider preparing cotton fibers and a PVA composite membrane by immersing into a 1 M H 2 SO 4 electrolyte to fabricate an acid GPE.…”

Section: Introductionmentioning

confidence: 97%

Natural Biomass Hydrogel Based on Cotton Fibers/PVA for Acid Supercapacitors

Zhao

Huang

Ren

et al. 2021

ACS Appl. Energy Mater.

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A gel polymer electrolyte (GPE) is prepared for enhancing electrochemical performances of supercapacitors (SCs), using a cotton and PVA composite membrane as the polymer matrix and 1 M H2SO4 solution as the electrolyte. The synthesized cotton/poly(vinyl alcohol) (PVA)-based membrane with a weight ratio of 8:5 (C 5) shows a high tensile strength of 3.55 MPa and an electrolyte uptake of 901.45 wt %, and the SC based on the corresponding membrane (G 5) delivers the best specific capacitance: it attains 106 F g–1 at 1.0 A g–1 and maintains 106% of the initial capacitance after 10 000 cycles. In addition, three planar SCs in series assembled with G 5 exhibit superb electrochemical performances and flexibility as G 5 can be bent to 180° without damage, maintaining superior electrochemical performance. Therefore, G 5 is a possible candidate for flexible SCs with outstanding performance.

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