Banca de QUALIFICAÇÃO: GABRIEL SIMPLICIO LOPES

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : GABRIEL SIMPLICIO LOPES
DATE: 20/08/2025
TIME: 18:00
LOCAL: São Bernardo do Campo - remota
TITLE:

ELECTRIC VEHICLE BATTERY RECYCLING PROCEDURES TO PROMOTE THE CIRCULAR ECONOMY

PAGES: 72
BIG AREA: Engenharias
AREA: Engenharia de Produção
SUMMARY:

The exponential growth of the electric vehicle (EV) fleet has driven the production of lithium-ion batteries, yet it has also created a critical challenge regarding the sustainable management of these components at end-of-life. Although the academic literature is extensive in describing individual recycling processes, it lacks a comparative and systemic analysis that assesses different technological routes through the lens of Circular Economy principles. In light of this gap, the objective of this study was to present and compare the main recycling procedures—hydrometallurgy, pyrometallurgy, and direct recycling—in order to determine their respective contributions to promoting the Circular Economy, considering the four main cathode chemistries (NMC, NCA, LMO, and LCO).

To this end, a systematic literature review was conducted, followed by the application of a hybrid analytical framework that combines the 9R hierarchy with the operational criteria of the RESOLVE framework (Loop, Optimize, and Regenerate) to evaluate each process. The results show that there is no universally superior solution: hydrometallurgy stood out as the most balanced and mature route for most chemistries due to its high efficiency in recovering all valuable metals; pyrometallurgy proved to be less circular due to the loss of critical materials such as lithium and its high environmental impact; and direct recycling, in turn, represents the theoretical ideal of circularity but faces technological maturity barriers that limit its large-scale industrial application.

It is concluded that the choice of the most appropriate recycling procedure depends on a trade-off between technological maturity, efficiency, and environmental impact. This research contributes to theory by proposing a robust analytical framework; to practice, by providing a consolidated guide for decision-making by managers and policymakers; and to society, by fostering a more sustainable and resilient value chain for electromobility.

COMMITTEE MEMBERS:
Presidente - Interno ao Programa - 2605733 - SERGIO RICARDO LOURENCO
Membro Titular - Examinador(a) Interno ao Programa - 1842803 - PATRICIA BELFIORE FAVERO
Membro Titular - Examinador(a) Externo à Instituição - ALEXANDRE AUGUSTO MASSOTE - FEI
Membro Suplente - Examinador(a) Interno ao Programa - 1632464 - DOUGLAS ALVES CASSIANO
Membro Suplente - Examinador(a) Externo ao Programa - 1746153 - FERNANDO GASI