Método de Análise do Estado de Carga de baterias de telefone celular (Analysis Method of Mobile Phone Batteries Remaining State of Charge)

Eduardo Luis Schneider (eduardoluis@feevale.br)1, Rodolfo de Freitas Valle Dresch (rodresch@gmail.com)2, Luiz Tiarajú dos Reis Loureiro (tiaraju13@gmail.com)2, Renato Machado de Brito (rmbrito@ufrgs.br)2

1Universidade Feevale
2Universidade Federal do Rio Grande do Sul

This paper appears in: Revista IEEE América Latina

Publication Date: May 2017
Volume: 15,   Issue: 5 
ISSN: 1548-0992

The cell phone is among the electronics which have quickly attracted consumers throughout the world with an average usage time of a year and a half, generating with this, a considerable environmental impact. This paper presents a literature review on components of batteries, important factors in battery performance, state of charging and health determination. In this study, through the unloading constant current CC test, it was possible to obtain, in a fast and efficient way, the amount of energy remaining and the state of charge from the lithium-ion mobile batteries discarded by the population, showing that many of the discarded batteries could still be reused as an energy source.

Index Terms:
Rechargeable lithium-ion cell, Remaining energy, State of Charge (SoC), Constant current test, Mobile batteries   

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