Novel low cost proton exchange membrane made from sulphonated biochar for application in microbial fuel cells

被引：127

作者：

Chakraborty, Indrajit ^{[1
]}

Das, Sovik ^{[1
]}

Dubey, B. K. ^{[1
]}

Ghangrekar, M. M. ^{[1
]}

机构：

[1] Indian Inst Technol Kharagpur, Dept Civil Engn, Kharagpur 721302, W Bengal, India

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2020年 / 239卷

关键词：

Biochar; Microbial fuel cell; Proton exchange membrane; Sulphonation; Wastewater treatment; SOLID ACID CATALYST; GRAPHENE OXIDE; BIOELECTROCHEMICAL SYSTEMS; SEPARATOR; NAFION; PERFORMANCE; RECOVERY; POWER; PVA; CONDUCTIVITY;

D O I：

10.1016/j.matchemphys.2019.122025

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel low cost proton exchange membrane (PEM) was synthesized, using biochar derived from food waste by pyrolysis at 600 degrees C followed by sulphonation and using a poly vinyl alcohol based matrix, named as SBC-600, for application in microbial fuel cell (MFC). Membrane properties such as proton conductivity, ion transport number and oxygen diffusion coefficient were estimated and found to be 0.07 S cm(-1), 0.891 and 6.46 x 10(-9 )m(2)s(-1), respectively. Proton conductivity per unit cost of SBC-600 membrane (0.42 S cm(-1) $(-1)) was found to be 32 times higher than the Nation membrane. The MFCs with SBC-600 membrane (MFC-SBC) and Nation 117 as PEM (MFCN) exhibited chemical oxygen demand removal efficiencies of 81 +/- 6.6% and 88 +/- 4.9%, respectively. Power harvested per unit cost of membrane was 26 times higher for MFC-SBC (0.278 W $(-1)) than MPC-N (0.011 W $(-1)) offering a low cost alternative to the costly PEM presently used in MFCs for its field scale applications.

引用

页数：8

共 56 条

[1] Porous polymer derived ceramic (PDC)-montmorillonite-H3PMo12O40/SiO2 composite membranes for microbial fuel cell (MFC) application [J].