Fast estimation of state of charge for lithium-ion battery

Hung Cheng Chen, Shuo Rong Chou, Hong Chou Chen, Shing Lih Wu, Liang Rui Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

This paper proposes a fast measurement method to estimate the state of charge (SOC) of Li-ion battery based on AC impedance. The AC impedances of an 18650 lithium-ion battery related to various states of charge are measured firstly using a commercial AC impedance analyzer to form a database. Using the relationships between the state of charge and the AC impedance, the proposed method can obtain the battery state of charge quickly. To validate the accuracy of the proposed method, SOC 0%, 50%, and 100% are tested and compared in this paper. The results show that the error is 8.636%, 2.604%, and 0.6%, respectively.

Original languageEnglish
Title of host publicationProceedings - 2014 International Symposium on Computer, Consumer and Control, IS3C 2014
PublisherIEEE Computer Society
Pages284-287
Number of pages4
ISBN (Print)9781479952779
DOIs
Publication statusPublished - 2014 Jan 1
Event2nd International Symposium on Computer, Consumer and Control, IS3C 2014 - Taichung, Taiwan
Duration: 2014 Jun 102014 Jun 12

Publication series

NameProceedings - 2014 International Symposium on Computer, Consumer and Control, IS3C 2014

Other

Other2nd International Symposium on Computer, Consumer and Control, IS3C 2014
CountryTaiwan
CityTaichung
Period14-06-1014-06-12

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Control and Systems Engineering

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