Impact of selected supramolecular additives on the initial electrochemical lithium intercalation into graphite in propylene carbonate

• Authors: Mariusz Walkowiak , Daniel Waszak , Błażej Gierczyk , Grzegorz Schroeder
• Languages of publication: EN

Abstracts

EN

Impact of silicon tripodand-type electrolyte additives and graphite pre-treatment agents on the electrochemical intercalation of lithium cations into graphite was investigated. Addition of Si-tripodand-type silanes to propylene carbonate-based electrolytes was found to suppress detrimental solvent co-intercalation and graphite exfoliation. Similar effects were observed for graphite pre-treated with the reported silane agents. It was observed that the presented supramolecular additives allow for the formation of effective passive layers on graphite during first charging, and thus can be considered as novel low-cost film-forming components for rechargeable lithium batteries. [...]

Keywords

EN

Lithium intercalation; Li-ion battery; Graphite anode; Silicon podands

• Journal: Open Chemistry
• Year: 2008
• Volume: 6
• Issue: 4
• Pages: 600-606

Dates

published

1 - 12 - 2008

online

28 - 10 - 2008

Contributors

author

Mariusz Walkowiak

• Institute of Non-Ferrous Metals Branch in Poznań Central Laboratory of Batteries and Cells, 61-362, Poznań, Poland,

author

Daniel Waszak

• Institute of Non-Ferrous Metals Branch in Poznań Central Laboratory of Batteries and Cells, 61-362, Poznań, Poland

author

Błażej Gierczyk

• Faculty of Chemistry, A. Mickiewicz University, 60-780, Poznań, Poland

author

Grzegorz Schroeder

• Faculty of Chemistry, A. Mickiewicz University, 60-780, Poznań, Poland

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Identifiers

DOI

10.2478/s11532-008-0058-8