Yeast-induced formation of graphene hydrogels anode for efficient xylose-fueled microbial fuel cells
文献类型： 外文期刊
作者： Moradian, Jamile Mohammadi 1 ; Mi, Jian-Li 2 ; Dai, Xinyan 1 ; Sun, Guo-Feng 3 ; Du, Jing 3 ; Ye, Xiao-Mei 3 ; Yong, Yang-Chun 1 ;
作者机构： 1.Jiangsu Univ, Sch Environm & Safety Engn, Biofuels Inst, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
2.Jiangsu Univ, Sch Mat Sci & Engn, Inst Adv Mat, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
3.Jiangsu Acad Agr Sci, Key Lab Crop & Anim Integrated Farming, Minist Agr & Rural Affairs, Nanjing 210014, Peoples R China
关键词： Yeast; Graphene; Hydrogel; Microbial fuel cell; Bioelectricity; Biohydrogen
期刊名称：CHEMOSPHERE （ 影响因子：8.943； 五年影响因子：8.52 ）
ISSN： 0045-6535
年卷期： 2022 年 291 卷
页码：
收录情况： SCI
摘要： Microbial fuel cells (MFCs) are of great interest due to their capability to directly convert organic compounds to electric energy. In particular, MFCs technology showed great potential to directly harness the energy from xylose in the form of bioelectricity and biohydrogen simultaneously. Herein, we report a yeast strain of Cystobasidium slooffiae JSUX1 enabled the reduction and assembly of graphene oxide (GO) nanosheets into three-dimensional reduced GO (3D rGO) hydrogels on the surface of carbon felt (CF) anode. The autonomously self-modified 3D rGO hydrogel anode entitled the yeast-based MFCs with two times enhancement on bioelectricity and biohydrogen production from xylose. Further analysis demonstrated that the 3D rGO hydrogel attracted more yeast cells and reduced the interfacial charge transfer resistance, which was the underlying mechanism for the improvement of MFCs performance. This work offers a new strategy to reinforce the performance of yeast-based MFCs and provides a new opportunity to efficiently harvest energy from xylose.
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