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From Chemical Gardens to Fuel Cells: Generation of Electrical Potential and Current Across Self-Assembling Iron Mineral Membranes

Barge, Laura M. ; Abedian, Yeghegis ; Russell, Michael J. ; Doloboff, Ivria J. ; Cartwright, Julyan H. E. ; Kidd, Richard D. ; Kanik, Isik

Angewandte Chemie (International ed.), 2015-07, Vol.54 (28), p.8184-8187 [Periódico revisado por pares]

Weinheim: WILEY-VCH Verlag

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  • Título:
    From Chemical Gardens to Fuel Cells: Generation of Electrical Potential and Current Across Self-Assembling Iron Mineral Membranes
  • Autor: Barge, Laura M. ; Abedian, Yeghegis ; Russell, Michael J. ; Doloboff, Ivria J. ; Cartwright, Julyan H. E. ; Kidd, Richard D. ; Kanik, Isik
  • Assuntos: chemical gardens ; Electric potential ; Fuel cells ; Gardens ; hydrothermal chimneys ; inorganic membranes ; Iron ; iron sulfide ; Joining ; Light-emitting diodes ; Linking ; membrane potentials ; Membranes ; Precipitation
  • É parte de: Angewandte Chemie (International ed.), 2015-07, Vol.54 (28), p.8184-8187
  • Notas: Spanish Ministerio de Ciencia e Innovación - No. FIS2013-48444-C2-2-P
    NASA Postdoctoral Program
    JPL Planetary Instrument Advanced Concept Development grant - No. S40AC1/42.14.101.07
    ArticleID:ANIE201501663
    This research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration with support by the NASA Astrobiology Institute (Icy Worlds), and supported by a JPL Planetary Instrument Advanced Concept Development grant (grant number S40AC1/42.14.101.07). L.M.B. was supported by the NAI through the NASA Postdoctoral Program, administered by Oak Ridge Associated Universities through a contract with NASA. JHEC is supported by the Spanish Ministerio de Ciencia e Innovación (grant number FIS2013-48444-C2-2-P). We acknowledge useful discussions with members of the NAI Thermodynamics, Disequilibrium, and Evolution Focus Group, and thank Dr. Bethany Theiling for the table-of-contents photo. Copyright 2015, all rights reserved.
    istex:53FD041A6A6D441AF35253E7E940EEA2B038B988
    ark:/67375/WNG-SWC084F5-8
    This research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration with support by the NASA Astrobiology Institute (Icy Worlds), and supported by a JPL Planetary Instrument Advanced Concept Development grant (grant number S40AC1/42.14.101.07). L.M.B. was supported by the NAI through the NASA Postdoctoral Program, administered by Oak Ridge Associated Universities through a contract with NASA. JHEC is supported by the Spanish Ministerio de Ciencia e Innovación (grant number FIS2013‐48444‐C2‐2‐P). We acknowledge useful discussions with members of the NAI Thermodynamics, Disequilibrium, and Evolution Focus Group, and thank Dr. Bethany Theiling for the table‐of‐contents photo. Copyright 2015, all rights reserved.
    ObjectType-Article-1
    SourceType-Scholarly Journals-1
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  • Descrição: We examine the electrochemical gradients that form across chemical garden membranes and investigate how self‐assembling, out‐of‐equilibrium inorganic precipitates—mimicking in some ways those generated in far‐from‐equilibrium natural systems—can generate electrochemical energy. Measurements of electrical potential and current were made across membranes precipitated both by injection and solution interface methods in iron‐sulfide and iron‐hydroxide reaction systems. The battery‐like nature of chemical gardens was demonstrated by linking multiple experiments in series which produced sufficient electrical energy to light an external light‐emitting diode (LED). This work paves the way for determining relevant properties of geological precipitates that may have played a role in hydrothermal redox chemistry at the origin of life, and materials applications that utilize the electrochemical properties of self‐organizing chemical systems. Chemical gardens: Self‐assembling membranes in iron sulfide and iron hydroxide reaction systems were studied. The electrical potential and current generated by precipitation of the inorganic membranes were measured. The battery‐like properties of the chemical gardens were demonstrated by linking multiple experiments in series, which produced sufficient electrical power to light an external light‐emitting diode.
  • Editor: Weinheim: WILEY-VCH Verlag
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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