Cycle Life Modeling of Lithium-Ion Batteries | Zendy

Gang Ning | Zendy; Branko N. Popov | Zendy

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Cycle Life Modeling of Lithium-Ion Batteries

Author(s) -

Gang Ning,

Branko N. Popov

Publication year - 2004

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/1.1787631

Subject(s) - anode , overvoltage , lithium (medication) , voltage , ion , materials science , electrochemistry , fade , chemistry , electrical engineering , electrode , nuclear engineering , engineering , computer science , medicine , endocrinology , operating system , organic chemistry

A first-principles-based charge-discharge model was developed to simulate the capacity fade of Li-ion batteries. The model is based on the loss of active lithium ions due to solvent reduction reaction and on the rise of the anode film resistance. The effect of parameters such as exchange current density, depth of discharge (DOD), end of charge voltage, film resistance, and the overvoltage of parasitic reaction were studied quantitatively. The model controls the required DOD by controlling the discharge time and estimates the end of discharge voltages as a function of cycle number.

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