A Mathematical Model for a Lithium–Sulfur Cell | Zendy

Karthikeyan Kumaresan | Zendy; Yuriy Mikhaylik | Zendy; Ralph E. White | Zendy

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A Mathematical Model for a Lithium–Sulfur Cell

Author(s) -

Karthikeyan Kumaresan,

Yuriy Mikhaylik,

Ralph E. White

Publication year - 2008

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 - 10.1149/1.2937304

Subject(s) - separator (oil production) , electrolyte , sulfur , electrochemistry , cathode , porosity , lithium (medication) , precipitation , materials science , electrochemical cell , chemistry , chemical reaction , chemical engineering , electrode , inorganic chemistry , thermodynamics , metallurgy , organic chemistry , composite material , physics , meteorology , endocrinology , engineering , medicine

A mathematical model is presented for a complete lithium-sulfur cell. The model includes various electrochemical and chemical (precipitation) reactions, multicomponent transport phenomena in the electrolyte, and the charge transfer within and between solid and liquid phases. A change in the porosity of the porous cathode and separator due to precipitation reactions is also included in the model. The model is used to explain the physical reasons for the two-stage discharge profiles that are typically obtained for lithium-sulfur cells.

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