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Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries

Lithium–sulphur batteries attract increasing interest due to their high theoretical specific capacity, advantageous economy, and “eco-friendliness”. In this study, a metal–organic framework (MOF) GaTCPP containing a porphyrinic base ligand was used as a conductive additive for sulphur. GaTCPP was sy...

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Autores principales: Király, Nikolas, Capková, Dominika, Almáši, Miroslav, Kazda, Tomáš, Čech, Ondej, Čudek, Pavel, Fedorková, Andrea Straková, Lisnichuk, Maxim, Meynen, Vera, Zeleňák, Vladimír
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9400624/
https://www.ncbi.nlm.nih.gov/pubmed/36093251
http://dx.doi.org/10.1039/d2ra03301a
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author Király, Nikolas
Capková, Dominika
Almáši, Miroslav
Kazda, Tomáš
Čech, Ondej
Čudek, Pavel
Fedorková, Andrea Straková
Lisnichuk, Maxim
Meynen, Vera
Zeleňák, Vladimír
author_facet Király, Nikolas
Capková, Dominika
Almáši, Miroslav
Kazda, Tomáš
Čech, Ondej
Čudek, Pavel
Fedorková, Andrea Straková
Lisnichuk, Maxim
Meynen, Vera
Zeleňák, Vladimír
author_sort Király, Nikolas
collection PubMed
description Lithium–sulphur batteries attract increasing interest due to their high theoretical specific capacity, advantageous economy, and “eco-friendliness”. In this study, a metal–organic framework (MOF) GaTCPP containing a porphyrinic base ligand was used as a conductive additive for sulphur. GaTCPP was synthesized, characterized, and post-synthetically modified by the transition metal ions (Co(2+)/Ni(2+)). The doping of GaTCPP ensured an increase in the carbon dioxide adsorption capacities, which were measured under different conditions. Post-synthetic modification of GaTCPP with Co(2+)/Ni(2+) ions has been shown to increase carbon dioxide storage capacity from 22.8 wt% for unmodified material to 23.1 wt% and 26.5 wt% at 0 °C and 1 bar for Co(2+) and Ni(2+)-doped analogues, respectively. As a conductive part of cathode material, MOFs displayed successful sulphur capture and encapsulation proven by stable charge/discharge cycle performances, high-capacity retention, and coulombic efficiency. The electrodes with pristine GaTCPP showed a discharge capacity of 699 mA h g(−1) at 0.2C in the fiftieth cycle. However, the doping of GaTCPP by Ni(2+) has a positive impact on the electrochemical properties, the capacity increased to 778 mA h g(−1) in the fiftieth cycle at 0.2C.
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spelling pubmed-94006242022-09-08 Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries Király, Nikolas Capková, Dominika Almáši, Miroslav Kazda, Tomáš Čech, Ondej Čudek, Pavel Fedorková, Andrea Straková Lisnichuk, Maxim Meynen, Vera Zeleňák, Vladimír RSC Adv Chemistry Lithium–sulphur batteries attract increasing interest due to their high theoretical specific capacity, advantageous economy, and “eco-friendliness”. In this study, a metal–organic framework (MOF) GaTCPP containing a porphyrinic base ligand was used as a conductive additive for sulphur. GaTCPP was synthesized, characterized, and post-synthetically modified by the transition metal ions (Co(2+)/Ni(2+)). The doping of GaTCPP ensured an increase in the carbon dioxide adsorption capacities, which were measured under different conditions. Post-synthetic modification of GaTCPP with Co(2+)/Ni(2+) ions has been shown to increase carbon dioxide storage capacity from 22.8 wt% for unmodified material to 23.1 wt% and 26.5 wt% at 0 °C and 1 bar for Co(2+) and Ni(2+)-doped analogues, respectively. As a conductive part of cathode material, MOFs displayed successful sulphur capture and encapsulation proven by stable charge/discharge cycle performances, high-capacity retention, and coulombic efficiency. The electrodes with pristine GaTCPP showed a discharge capacity of 699 mA h g(−1) at 0.2C in the fiftieth cycle. However, the doping of GaTCPP by Ni(2+) has a positive impact on the electrochemical properties, the capacity increased to 778 mA h g(−1) in the fiftieth cycle at 0.2C. The Royal Society of Chemistry 2022-08-24 /pmc/articles/PMC9400624/ /pubmed/36093251 http://dx.doi.org/10.1039/d2ra03301a Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Király, Nikolas
Capková, Dominika
Almáši, Miroslav
Kazda, Tomáš
Čech, Ondej
Čudek, Pavel
Fedorková, Andrea Straková
Lisnichuk, Maxim
Meynen, Vera
Zeleňák, Vladimír
Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries
title Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries
title_full Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries
title_fullStr Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries
title_full_unstemmed Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries
title_short Post-synthetically modified metal–porphyrin framework GaTCPP for carbon dioxide adsorption and energy storage in Li–S batteries
title_sort post-synthetically modified metal–porphyrin framework gatcpp for carbon dioxide adsorption and energy storage in li–s batteries
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9400624/
https://www.ncbi.nlm.nih.gov/pubmed/36093251
http://dx.doi.org/10.1039/d2ra03301a
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