opeRando chEmical spAce- and time-resoLved quantification of Solid Electrolyte Interphase in hard carbon anode for sustainable sodium-ion batteries

Projektinformationen

REALSEI

ID Finanzhilfevereinbarung: 101029608

DOI 10.3030/101029608

Abgeschlossenes Projekt

Startdatum 1 Juni 2021

Enddatum 30 September 2023

Finanziert unter

• EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions

Gesamtkosten € 183 473,28

EU-Beitrag € 183 473,28

Koordiniert durch

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA
Italy

Projektbeschreibung

Erfassen des Verhaltens von Elektrolyten an Elektrodengrenzflächen in Echtzeit

Natrium-Ionen-Batterien sind eine kostengünstige und nachhaltige Alternative zu den weit verbreiteten Lithium-Ionen-Batterien. Das über die Marie-Skłodowska-Curie-Maßnahmen finanzierte Projekt REALSEI zielt darauf ab, die Bildung einer festen Elektrolyt-Grenzfläche an der Oberfläche der Anode durch die elektrochemische Reduktion des Elektrolyten in Echtzeit zu erfassen. Dieser Prozess wirkt sich negativ auf die Langzeitstabilität von Natrium-Ionen-Batterien aus, konnte bisher jedoch nur unzureichend erforscht werden. Im Rahmen des Projekts sollen umfassende zeit- und ortsaufgelöste Verfahren zur Oberflächencharakterisierung entwickelt werden, die sich auf den Einsatz hochauflösender Synchrotron-Röntgenaufnahmen stützen.

Ziel

The goal of REALSEI is to visualize for the first time in real-time the Solid Electrolyte Interphase formation at the hard-carbon (HC) anode in a Na-ion battery (NIB). Local electrochemical processes occurring at the solid-liquid interface of Na-ion batteries are currently largely unexplored. To keep global warming around 2.7°C by 2100, the installed global grid energy storage capacity needs to be tripled by 2050. A technological breakthrough is required to meet this challenge: we need a low cost and sustainable alternative to Li-ion batteries. Thanks to recent advances, the so-called ‘beyond-lithium’ batteries (BLB) such as K+ and Na+ based systems could be an everyday reality. Bio-waste mesoporous hard carbon (BHC) is one of the most promising anode materials as a universal ion host for BLBs. The use of BHC as a low-cost and recycled solution in BLBs might provide the breakthrough required and give rise to the next generation of batteries. However, uncontrolled SEI formation limits the large-scale application of BHC in BLBs, in particular for Na-ion batteries (NIBs), the most mature and promising. For NIBs, the SEI is still an unresolved issue that limits its long-term stability. REALSEI wants to establish a comprehensive operando time- and space- resolved characterization methodology to transit from bulk (transmission mode) to surface analytical characterization (grazing incidence mode) based on lab and synchrotron high-resolution X-ray techniques which will results for the first time in a comprehensive visualization and quantification of the species forming the SEI in real-time on HC. REALSEI will apply principles of physics and electrochemistry and its results will have substantial scientific, technological, and societal impact.

Wissenschaftliches Gebiet

• Naturwissenschaften › Chemiewissenschaften › Elektrochemie › elektrische Batterien

Programm/Programme

• H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions Main Programme
• H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility

Thema/Themen

• MSCA-IF-2020 - Individual Fellowships

Aufforderung zur Vorschlagseinreichung

H2020-MSCA-IF-2020

Finanzierungsplan

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

Koordinator

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA

• Netto-EU-Beitrag: € 183 473,28
• Adresse: Piazzale aldo moro 5 ; 00185 Roma ; Italien
• Region: Centro (IT) › Lazio › Roma
• Aktivitätstyp: Higher or Secondary Education Establishments
• Weitere Finanzmittel: € 0,00