期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 44, 期 49, 页码 27056-27066出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2019.08.131
关键词
Hybrid fuel cell; Multiwalled carbon nanotube-pyrene carboxylic acid; Glucose oxidase; Agar-polyvinyl alcohol hydrogel; Reduced graphene oxide ceria; Electrostatic immobilisation
资金
- Kerala State Council for Science, Technology and Environment [003/SRSPS/2014/CSTE]
Enzymatic biofuel cells offer a new avenue of eco-friendly energy generation which is highly essential to establish a sustainable energy infrastructure. Herein, a hybrid fuel cell using an immobilised enzyme-based anode, a hydrogel-based separator and a glucose tolerant catalyst based cathode has been fabricated and demonstrated. Multiwalled carbon nanotube-pyrene carboxylic acid (MWCNT-PCA) nanocomposite based anode has been used for the electrostatic immobilisation of glucose oxidase enzyme. Agar-polyvinyl alcohol (PVA) hydrogel is used as the separator which supplies the fuel cell with 500 mM glucose solution. Reduced graphene oxide-ceria (rGC) acts as the glucose tolerant non-enzymatic cathode catalyst. A sandwiched construction is used to fabricate the device with which an open circuit potential of 140 mV has been recorded with a peak power density of 6.25 mu W/cm(2) at 60 mu A/cm(2). (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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