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Characterisation and modelling of a high-power density lithium-ion positive electrode for HEV application
KTH, Tidigare Institutioner, Kemiteknik.
KTH, Tidigare Institutioner, Kemiteknik.
KTH, Tidigare Institutioner, Kemiteknik.ORCID-id: 0000-0002-9392-9059
KTH, Tidigare Institutioner, Kemiteknik.ORCID-id: 0000-0001-9203-9313
2004 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this study, the impedance response of a porous electrode based on LiNi0.8Co0.15Al0.05O2 was investigated using an impedance model including the following features: Butler-Volmer kinetics; double layer capacitance; solid phase concentration and potential gradients; electrolyte phase concentration and potential according to the concentrated electrolyte theory; particle size distribution; and an empirical relation between equilibrium potential and state of charge. The model was evaluated by fitting it to experimental results using different electrolytes and states of charge. In addition, the characteristic parameters for the electrode were obtained from the fitting results.

sted, utgiver, år, opplag, sider
2004. s. 130-137
Serie
Proceedings - Electrochemical Society ; PV 2003-28
Emneord [en]
Capacitance, Characterization, Electric impedance, Electrolytes, Lithium batteries, Particle size analysis, Double layer capacitance, Equilibrium potential, Lithium-ion positive electrode, Electrodes
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-157299Scopus ID: 2-s2.0-33645275994OAI: oai:DiVA.org:kth-157299DiVA, id: diva2:771036
Konferanse
205th Electrochemical Society Fall Meeting, 12 October 2003 through 16 October 2003, Orlando, FL
Merknad

QC 20141212

Tilgjengelig fra: 2014-12-12 Laget: 2014-12-08 Sist oppdatert: 2014-12-12bibliografisk kontrollert

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