Visualising the problems with balancing lithium–sulfur batteries by “mapping” internal resistance | Zendy

Matthew J. Lacey | Zendy; Kristina Edström | Zendy; Daniel Brandell | Zendy

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Visualising the problems with balancing lithium–sulfur batteries by “mapping” internal resistance

Author(s) -

Matthew J. Lacey,

Kristina Edström,

Daniel Brandell

Publication year - 2015

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c5cc07167d

Subject(s) - lithium (medication) , internal resistance , sulfur , resistance (ecology) , computer science , chemistry , materials science , psychology , battery (electricity) , metallurgy , physics , thermodynamics , biology , psychiatry , ecology , power (physics)

Frequent and continuous determination of battery internal resistance by a simple current-interrupt method enables the visualisation of cell behaviour through the creation of resistance "maps", showing changes in resistance as a function of both capacity and cycle number. This new approach is applied here for the investigation of cell failure in the lithium-sulfur system with Li electrode excesses optimised towards practically relevant specifications.

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