Combining in situ electrochemistry, operando XRD & Raman spectroscopy, and density functional theory to investigate the fundamentals of Li2CO3 formation in supercapacitors

Author:

Freitas Bruno1ORCID,Nunes Willian G.1ORCID,Real Carla G.1ORCID,Rodella Cristiane B.2,Doubek Gustavo3ORCID,M. da Silva Leonardo4,Thaines Ericson H. N. S.56,Pocrifka Leandro A.6,Freitas Renato G.5,Zanin Hudson1

Affiliation:

1. Advanced Materials Labs, Manufacturing Group, Advanced Energy Storage Division, Center for Innovation on New Energies, University of Campinas, Av. Albert Einstein 400, Campinas, SP 13083-852, Brazil

2. Brazilian Synchrotron Light Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, SP 13083-970, Brazil

3. Advanced Energy Storage Division, Center for Innovation on New Energies, Laboratory of Advanced Batteries, University of Campinas, School of Chemical Engineering, Av. Albert Einstein 500, 13083-852, Campinas, SP, Brazil

4. Department of Chemistry, Laboratory of Fundamental and Applied Electrochemistry, Federal University of Jequitinhonha e Mucuri's Valley, Rodovia MGT 367, km 583, 5000, Alto da Jacuba, 39100-000, Diamantina, MG, Brazil

5. Institute of Physics, Department of Chemistry, Laboratory of Computational Materials, Federal University of Mato Grosso, 78060-900, Cuiabá, MT, Brazil, rgfreitas@pq.cnpq.br

6. Laboratory of Electrochemistry and Energy, Chemistry Postgraduate Program of Federal University of Amazonas, 69067-005, Manaus, AM, Brazil

Abstract

This study combines operando XRD & Raman spectroscopy and DFT simulation to reveal how Li2CO3 formation and reversibility may contribute to energy storage in supercapacitors.

Funder

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Fundação de Amparo à Pesquisa do Estado de São Paulo

Fundação de Amparo à Pesquisa do Estado de Minas Gerais

Fundação de Amparo à Pesquisa do Estado do Amazonas

Agência Nacional do Petróleo, Gás Natural e Biocombustíveis

Shell Brasil

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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