| Grant number: | 19/12053-8 |
| Support Opportunities: | Regular Research Grants |
| Start date: | August 01, 2019 |
| End date: | May 31, 2022 |
| Field of knowledge: | Physical Sciences and Mathematics - Chemistry - Physical-Chemistry |
| Principal Investigator: | Frank Nelson Crespilho |
| Grantee: | Frank Nelson Crespilho |
| Host Institution: | Instituto de Química de São Carlos (IQSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil |
| City of the host institution: | São Carlos |
Abstract
Carbon electrodes are used in most configurations of biofuels (BC) and organic batteries (OB) because they are stable and have low electrical resistance, leading to a considerable chemical and electrochemical long-term-stability. However, for both BC and OB, the structural heterogeneities of the surface and the presence of defects influence the electron transfer kinetics. In this project, we propose to improve our knowledge in the interfacial electrochemistry of carbon-based materials in order to develop electrodes with high performance applied in OB and BC. For this, simple surfaces such as single sheets of graphene and more complex surfaces such as surfaces of graphite turbostratic structures on flexible carbon fibers will be used as electrodes configurations. Both enzymatic reactions - such as bilirubin oxidase - and organic reactions involving quinones-based molecules will be evaluated. We will use some operando and in situ techniques developed in our group to understand the electron transfer mechanisms. (AU)
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