Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session P47: Recent Advances in Energy Conversion Devices
2:30 PM–5:18 PM,
Wednesday, March 6, 2019
BCEC
Room: 213
Sponsoring
Unit:
GERA
Chair: Jeffrey Owrutsky, United States Naval Research Laboratory
Abstract: P47.00009 : Photoelectrochemical water splitting systems for the sustainable growth of hydrogenotroph biomass*
4:06 PM–4:18 PM
Presenter:
Camilla Tossi
(Electronics and Nanoengineering, Aalto University)
Authors:
Camilla Tossi
(Electronics and Nanoengineering, Aalto University)
Lassi Hällström
(Electronics and Nanoengineering, Aalto University)
Erich See
(Electronics and Nanoengineering, Aalto University)
Michael Lienemann
(VTT Technical Research Centre of Finland, Ltd.)
Juha-Pekka Pitkänen
(VTT Technical Research Centre of Finland, Ltd.)
Marja Nappa
(VTT Technical Research Centre of Finland, Ltd.)
Peter Blomberg
(VTT Technical Research Centre of Finland, Ltd.)
Jussi Jäntti
(VTT Technical Research Centre of Finland, Ltd.)
Merja Penttilä
(VTT Technical Research Centre of Finland, Ltd.)
Ilkka Tittonen
(Electronics and Nanoengineering, Aalto University)
The need for sustainable food production techniques is an urgent matter, as our planet is expected to produce enough nourishment to sustain 9 billion people by 2050, while at the same time reducing the carbon footprint of the population.
We developed a PEC cell equipped with a bioreactor, demonstrating the growth of a Rhodococcus Opacus population with forced electrolysis over the span of several days: the present focus is on the engineering progress of the working electrode, a stack of semiconductor thin films with noble metal co-catalyst nanoparticles, to match both the durability and the solar-to-hydrogen efficiency necessary to the self-sustainability of the system.
*The authors acknowledge the financial support from the Academy of Finland project 13285972, from the Vilho, Yrjö ja Kalle Väisälä Fundation grant issued by the Finnish Academy of Arts and Sciences and from the Aalto University ELEC Doctoral School.
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