Activated and Carbonized Metal-Organic Frameworks for Improved Cycle Performance of Cathode Material in Lithium-Sulphur Batteries

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F22%3APU146110" target="_blank" >RIV/00216305:26220/22:PU146110 - isvavai.cz</a>

Výsledek na webu

<a href="https://iopscience.iop.org/article/10.1088/1742-6596/2382/1/012010" target="_blank" >https://iopscience.iop.org/article/10.1088/1742-6596/2382/1/012010</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/1742-6596/2382/1/012010" target="_blank" >10.1088/1742-6596/2382/1/012010</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Activated and Carbonized Metal-Organic Frameworks for Improved Cycle Performance of Cathode Material in Lithium-Sulphur Batteries

Popis výsledku v původním jazyce

The development of new battery systems has been intensively pursued in an effort to increase energy densities. Lithium-sulphur batteries represent a class of next-generation batteries with high energy density. The electrochemical properties of lithium-sulphur batteries may be improved by the application of appropriate conductive and porous additives to sulphur in the cathode material. Recently, materials belonging to the group of metal-organic frameworks (MOFs) have been widely studied as host materials for sulphur due to their unique porous structure. In this work, various types of metal-organic frameworks (GaTCPP, MOF-76(Gd), MIL-101(Fe)-NH2) were applied to the cathode material. MOFs were activated or carbonized before cathode material preparation. The structure of activated GaTCPP showed the lowest capacity fading per cycle (0.07 %) from activated MOFs during cycling at 0.5 C for 200 cycles. The carbonization process may improve the electrochemical properties of the electrode material. The best electrochemical properties showed carbonized MOF-76(Gd), and the capacity fading rate per cycle was only 0.04 % despite 200 cycles at 0.5 C.

Název v anglickém jazyce

Activated and Carbonized Metal-Organic Frameworks for Improved Cycle Performance of Cathode Material in Lithium-Sulphur Batteries

Popis výsledku anglicky

The development of new battery systems has been intensively pursued in an effort to increase energy densities. Lithium-sulphur batteries represent a class of next-generation batteries with high energy density. The electrochemical properties of lithium-sulphur batteries may be improved by the application of appropriate conductive and porous additives to sulphur in the cathode material. Recently, materials belonging to the group of metal-organic frameworks (MOFs) have been widely studied as host materials for sulphur due to their unique porous structure. In this work, various types of metal-organic frameworks (GaTCPP, MOF-76(Gd), MIL-101(Fe)-NH2) were applied to the cathode material. MOFs were activated or carbonized before cathode material preparation. The structure of activated GaTCPP showed the lowest capacity fading per cycle (0.07 %) from activated MOFs during cycling at 0.5 C for 200 cycles. The carbonization process may improve the electrochemical properties of the electrode material. The best electrochemical properties showed carbonized MOF-76(Gd), and the capacity fading rate per cycle was only 0.04 % despite 200 cycles at 0.5 C.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Projekt

<a href="/cs/project/LTT19001" target="_blank" >LTT19001: Vývoj nových elektrochemických uložišť energie – akumulátorů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

23rd International Conference on Advanced Batteries, Accumulators and Fuel Cells (ABAF 2022)

ISBN

978-80-214-5975-5

ISSN

1742-6588

e-ISSN

1742-6596

Počet stran výsledku

9

Strana od-do

1-9

Název nakladatele

Institute of Physics

Místo vydání

neuveden

Místo konání akce

Brno

Datum konání akce

21. 8. 2022

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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