In-situ Evaluation of Different CAM Plants as Plant Microbial Fuel Cells for Recovery Energy in  Atacama Desert

Felipe M. Galleguillos Madrid; Norman Toro; Ingrid Jamett; Gilda Carrasco; Sergio Carvajal; Edward Fuentealba; Sebastián Salazar - Avalos; Douglas Olivares; Carlos Portillo; Alvaro Soliz; Luis Caceres; Mauricio Trigo

doi:10.20944/preprints202308.1513.v1

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preprints.org > environmental and earth sciences > sustainable science and technology > doi: 10.20944/preprints202308.1513.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

In-situ Evaluation of Different CAM Plants as Plant Microbial Fuel Cells for Recovery Energy in Atacama Desert

Felipe M. Galleguillos Madrid

^* ,

Sebastián Salazar - Avalos

Version 1 : Received: 22 August 2023 / Approved: 22 August 2023 / Online: 22 August 2023 (07:23:15 CEST)

A peer-reviewed article of this Preprint also exists.

Madrid, F.M.G.; Trigo, M.; Salazar-Avalos, S.; Carvajal-Funes, S.; Olivares, D.; Portillo, C.; Fuentealba, E.; Toro, N.; Carrasco, G.; Cáceres, L.; Jamett, I.; Soliz, A. An In Situ Evaluation of Different CAM Plants as Plant Microbial Fuel Cells for Energy Recovery in the Atacama Desert. Plants 2023, 12, 4016. Madrid, F.M.G.; Trigo, M.; Salazar-Avalos, S.; Carvajal-Funes, S.; Olivares, D.; Portillo, C.; Fuentealba, E.; Toro, N.; Carrasco, G.; Cáceres, L.; Jamett, I.; Soliz, A. An In Situ Evaluation of Different CAM Plants as Plant Microbial Fuel Cells for Energy Recovery in the Atacama Desert. Plants 2023, 12, 4016.

Abstract

Excess energy from photosynthesis can be collected through biophotovoltaic platforms to generate green electrical power. This research evaluated the in-situ performance of different CAM (Crassulaceae acid metabolism) plants from Calama city located in the Atacama Desert for energy recovery as biophotovoltaic cell (BPV) using AISI 316L and Cu as electrodes. The species evaluated were Aloe perfoliata, Cereus jamacaru, Austrocylindropuntia subulata, Agave potatorum, Malephora crocea, and Kalanchoe daigremontiana. The results indicate that K. daigremontiana can be used as in-situ BFV because it has a maximum cell potential of 0.248 V and a minimum of 0.139 V with a recurrence close to 89% in the ranges [0.2 - 0.25] V. This is one of the few investigations that evaluate the potential of native CAM plants as BFV energy sources, providing new knowledge for the development of sustainable alternatives for horticultural crop production systems.

Keywords

plant microbial fuel cell (PMFC); CAM plant; Atacama Desert; solar energy; environmental engineering; sustainability

Subject

Environmental and Earth Sciences, Sustainable Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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