PEMBANGKITAN TEGANGAN MENGGUNAKAN KARBON AKTIF TEMPURUNG KELAPA DENGAN VARIASI PROSENTASE NACL

Main Article Content

Si Putu Gede Gunawan Tista

Abstract

Fossil fuels as energy generators have been identified as the main cause of environmental pollution, besides that their supplies are running low. Energy from fossil fuels can cause global warming and climate change due to the carbon dioxide gas emissions produced, causing a greenhouse effect. Therefore, to generate electrical energy, environmentally friendly materials are needed, one of which is coconut shell-activated carbon. This research aims to generate voltage using coconut shell-activated carbon with varying percentages of NaCl. The voltage generation model is composed of counter electrodes – electrodes – counter electrodes. The electrode used is coconut shell-activated carbon, while the counter electrode is copper. The electrolyte used was a NaCl solution with NaCl percentages of 5%, 10% and 15% respectively. The NaCl electrolyte is injected into the model between the electrode and the counter electrode, then heat is applied. An electrostatic force occurs between the ions from the NaCl electrolyte and the surface of the coconut shell-activated carbon, namely the functional groups, pores, and copper counter electrode. The results show that the higher the percentage of NaCl electrolyte, the higher the voltage produced. The resulting voltage is 0.091 volts at a NaCl percentage of 5%, 0.181 volts at a NaCl percentage of 10%, and 0.212 volts at a NaCl percentage of 15%.

Article Details

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Articles
Author Biography

Si Putu Gede Gunawan Tista, Universitas Udayana

Program Studi Teknik Mesin

References

A. K. Hussein, “Applications of nanotechnology in renewable energies - A comprehensive overview and understanding,” Renew. Sustain. Energy Rev., vol. 42, pp. 460–476, 2015.

M. Xie, S. Dunn, E. Le Boulbar, and C. R. Bowen, “Pyroelectric energy harvesting for water splitting,” Int. J. Hydrogen Energy, vol. 42, no. 37, pp. 23437–23445, 2017.

J. Serafin, B. Dziejarski, and O. F. C. Junior, “Design of highly microporous activated carbons based on walnut shell biomass for H 2 and CO 2 storage,” vol. 201, no. September 2022, pp. 633–647, 2023.

M. Q. Wu, S. Wu, Y. F. Cai, R. Z. Wang, and T. X. Li, “Form-stable phase change composites : Preparation , performance , and applications for thermal energy conversion , storage and management,” vol. 42, no. July, pp. 380–417, 2021.

B. Xu, L. Liu, H. Lim, Y. Qiao, and X. Chen, “Harvesting energy from low-grade heat based on nanofluids,” Nano Energy, vol. 1, no. 6, pp. 805–811, 2012.

A. R. M. Siddique, S. Mahmud, and B. Van Heyst, “A review of the state of the science on wearable thermoelectric power generators (TEGs) and their existing challenges,” Renew. Sustain. Energy Rev., vol. 73, no. December 2016, pp. 730–744, 2017.

C. Portet, G. Yushin, and Y. Gogotsi, “Electrochemical performance of carbon onions, nanodiamonds, carbon black and multiwalled nanotubes in electrical double layer capacitors,” Carbon N. Y., vol. 45, no. 13, pp. 2511–2518, 2007.

Y. Qiao, V. K. Punyamurtual, A. Han, and H. Lim, “Thermal-to-electric energy conversion of a nanoporous carbon,” J. Power Sources, vol. 183, no. 1, pp. 403–405, 2008.

K. Liu et al., “Thermal–Electric Nanogenerator Based on the Electrokinetic Effect in Porous Carbon Film,” Adv. Energy Mater., vol. 8, no. 13, pp. 1–6, 2018.

H. Lim, Y. Shi, and Y. Qiao, “Thermally chargeable supercapacitor working in a homogeneous, changing temperature field,” Appl. Phys. A Mater. Sci. Process., vol. 122, no. 4, pp. 2–7, 2016.