1. JCCT
  2. All Volumes and Issues
  3. Volume 15, Number 2, 2021
  4. A Binary Liquid Mixture of Bioethanol-Water and Biodiesel-Water as Fuel for NSDC-L|NSDC|NSDC-L DIRECT ETHANOL-SOLID Oxide Fuel Cell

A Binary Liquid Mixture of Bioethanol-Water and Biodiesel-Water as Fuel for NSDC-L|NSDC|NSDC-L DIRECT ETHANOL-SOLID Oxide Fuel Cell

JCCT.
2021;
Volume 15, Number 2
: pp. 254 - 262
https://doi.org/10.23939/chcht15.02.254
Authors:
  1. Fitria Rahmawati
  2. Arum Putri Parameswari
1
Research Group of Solid State Chemistry & Catalysis, Chemistry Department, Sebelas Maret University
2
Research Group of Solid State Chemistry & Catalysis, Chemistry Department, Sebelas Maret University

This research studies the possibility on using a binary liquid mixture of bioethanol-water and biodiesel-water as fuel for a NSDC-L|NSDC|NSDC-L single fuel cell. The ratio of bioethanol-water was 70:30, as well as the ratio of biodiesel-water. The fuel vapor flowed into the fuel cell system under the temperatures of 673, 773 and 873 K with a flow rate of 1–1.5 ml•min-1. The highest power densities were found at 673 K which are 2.984 and 1.838 mW•cm-2 for bioethanol-water and biodiesel-water, respectively. It is a promising result for a single fuel cell test with a very low rate of liquid fuel flow. Meanwhile, open circuit voltage (OCV) of the single fuel cell with bioethanol-water fuel is 1.439 V which is close to the theoretical OCV. However, OCV of the single fuel cell with biodiesel-water as fuel is 0.710 V which is lower than the theoretical OCV. Cell polarization seems still being the problem causing voltage loss during single fuel cell test.

binary liquid mixture
fuel
solid oxide fuel cell
NSDC
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