π‐Conjugated Metal Free Porphyrin as Organic Cathode for Aluminum Batteries

Author:

Chowdhury Shagor12ORCID,Sabi Noha34,Rojano Rafael Córdoba3,Le Breton Nolwenn5,Boudalis Athanassios K.5ORCID,Klayatskaya Svetlana1ORCID,Dsoke Sonia367ORCID,Ruben Mario128ORCID

Affiliation:

1. Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT) Eggenstein-Leopoldshafen 76344 Germany

2. Centre Européen de Sciences Quantiques (CESQ) Institut de Science et d'Ingénierie Suparamolaiculaires (ISIS) Strasbourg Cedex 67083 France

3. Institute for Applied Materials (IAM) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany

4. High Throughput Multidisciplinary Research (HTMR) Mohammad VI Polytechnic University Lot 660 Hay Moulay Rashid Ben Guerir 43150 Morocco

5. Institut de Chimie de Strasbourg (UMR 7177, CNRS-Unistra) Université de Strasbourg Strasbourg 67081 France

6. Albert-Ludwigs-University Freiburg Department of Sustainable Systems Engineering (INATECH) Emmy-Noether-Straße 2 79110 Freiburg Germany

7. Fraunhofer Institute for Solar Energy Systems, Dep. Electrical Energy Storage Heidenhofstr. 2 79110 Freiburg Germany

8. Institute for Quantum Materials and Technology (IQMT) Karlsruhe Institute of Technology (KIT) Eggenstein Leopoldshafen 76344 Germany

Abstract

AbstractNowadays, Al (dual) batteries are mainly based on graphite cathode materials. Besides this material, the limited life cycle and the rate performance of other possible cathode materials have hampered the development of practical and sustainable rechargeable aluminium batteries (RABs). Herein, we report an organic A4‐metal‐free porphyrin system bearing diphenylamimo‐phenyl functional units as an Al‐storage cathode material, which is capable of delivering a reversible capacity of 83 mAh g−1 at 1 A g−1 after 200 cycles and displays a good cycling stability. Achieving such high rate performance opens a pathway to developing practical sustainable cathodes for aluminium batteries.

Publisher

Wiley

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