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[Effect of Cu2+ on the power output of dual-chamber microbial fuel cell].
Huan Jing Ke Xue. 2014 Jul; 35(7):2791-7.HJ

Abstract

After addition of Cu2+ into the anodic and/or cathodic chamber, the effect of Cu2+ on the internal resistance and its distribution, power output and coulombic efficiency of dual-chamber microbial fuel cell (MFC) was investigated in this manuscript with the aid of analyzing the distribution of copper speciation. It could provide helpful information for correlative research on treatment of copper-containing wastewater by MFC. It showed that the addition of 10 mg x L(-1) Cu2+ into the anodic chamber inhibited the microbial activity, and increased the anodic activation resistance as well as the apparent internal resistance, consequently reduced the power output and coulombic efficiency of the system. However, the addition of 500 mg x L(-1) Cu2+ into the cathodic chamber significantly reduced the cathodic activation resistance as well as the apparent internal resistance, while improved the power output and the coulombic efficiency. Cu2+ in the anodic chamber was not transfered into the cathodic chamber. When adding Cu2+ into the cathodic chamber, it was mainly reduced and deposited on the cathodic chamber. It could also be transferred/diffused to the anodic chamber across the proton exchange membrane (2.8%) because of its concentration difference, thus affecting the microbial activity and power output. Only a small amount of Cu2+ remained in the supernatant of the cathodic chamber at the end of experiment.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

chi

PubMed ID

25244870

Citation

Mu, Shu-Jun, et al. "[Effect of Cu2+ On the Power Output of Dual-chamber Microbial Fuel Cell]." Huan Jing Ke Xue= Huanjing Kexue, vol. 35, no. 7, 2014, pp. 2791-7.
Mu SJ, Li XF, Ren YP, et al. [Effect of Cu2+ on the power output of dual-chamber microbial fuel cell]. Huan Jing Ke Xue. 2014;35(7):2791-7.
Mu, S. J., Li, X. F., Ren, Y. P., & Wang, X. H. (2014). [Effect of Cu2+ on the power output of dual-chamber microbial fuel cell]. Huan Jing Ke Xue= Huanjing Kexue, 35(7), 2791-7.
Mu SJ, et al. [Effect of Cu2+ On the Power Output of Dual-chamber Microbial Fuel Cell]. Huan Jing Ke Xue. 2014;35(7):2791-7. PubMed PMID: 25244870.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Effect of Cu2+ on the power output of dual-chamber microbial fuel cell]. AU - Mu,Shu-Jun, AU - Li,Xiu-Fen, AU - Ren,Yue-Ping, AU - Wang,Xin-Hua, PY - 2014/9/24/entrez PY - 2014/9/24/pubmed PY - 2015/6/16/medline SP - 2791 EP - 7 JF - Huan jing ke xue= Huanjing kexue JO - Huan Jing Ke Xue VL - 35 IS - 7 N2 - After addition of Cu2+ into the anodic and/or cathodic chamber, the effect of Cu2+ on the internal resistance and its distribution, power output and coulombic efficiency of dual-chamber microbial fuel cell (MFC) was investigated in this manuscript with the aid of analyzing the distribution of copper speciation. It could provide helpful information for correlative research on treatment of copper-containing wastewater by MFC. It showed that the addition of 10 mg x L(-1) Cu2+ into the anodic chamber inhibited the microbial activity, and increased the anodic activation resistance as well as the apparent internal resistance, consequently reduced the power output and coulombic efficiency of the system. However, the addition of 500 mg x L(-1) Cu2+ into the cathodic chamber significantly reduced the cathodic activation resistance as well as the apparent internal resistance, while improved the power output and the coulombic efficiency. Cu2+ in the anodic chamber was not transfered into the cathodic chamber. When adding Cu2+ into the cathodic chamber, it was mainly reduced and deposited on the cathodic chamber. It could also be transferred/diffused to the anodic chamber across the proton exchange membrane (2.8%) because of its concentration difference, thus affecting the microbial activity and power output. Only a small amount of Cu2+ remained in the supernatant of the cathodic chamber at the end of experiment. SN - 0250-3301 UR - https://www.unboundmedicine.com/medline/citation/25244870/[Effect_of_Cu2+_on_the_power_output_of_dual_chamber_microbial_fuel_cell]_ DB - PRIME DP - Unbound Medicine ER -
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