High energy rechargeable Li-S cells for EV application. Status, remaining problems and solutions
High energy rechargeable Li-S cells for EV application. Status, remaining problems and solutions
- New search for: Mikhaylik, y.
- New search for: Kovalev, I.
- New search for: Schock, R.
- New search for: Kumaresan, K.
- New search for: Xu, J.
- New search for: Affinito, J.
- New search for: Mikhaylik, y.
- New search for: Kovalev, I.
- New search for: Schock, R.
- New search for: Kumaresan, K.
- New search for: Xu, J.
- New search for: Affinito, J.
The primary mechanisms limiting Li-S (lithium sulfur) cell cycle life and thermal stability are discussed. Two major cycle life limiting mechanisms are identified: development of rough surface morphology on the metallic lithium anode with cycling; and depletion of lithium and electrolyte components through chemical reaction. The approach taken here to mitigate these problems, by employing physical protection, including multi-functional membrane assemblies and non-isotropic pressure is presented. Sulfur utilization of 92%, at C/5 discharge rates, increased cycle life and elimination of thermal runaway in 300 mAh Li-S cells was achieved.
Document information
High energy rechargeable Li-S cells for EV application. Status, remaining problems and solutions
Wiederaufladbare Li-S-Hochenergiezellen für die Elektrofahrzeuganwendung. Status, verbleibende Probleme und Lösungen
2010
12 Seiten, 13 Bilder, 1 Tabelle, 16 Quellen
Conference paper
English
Lithiumbatterie , Elektrolyt , Schwefelverbindung , Betrieb (Unternehmen) , produktbezogene Eigenschaft , amerikanische Norm , Vergleichsanalyse , zyklische Belastung , Kapazität (galvanisches Element) , Lebenszyklusanalyse , Wärmebeständigkeit , Störfallanalyse , Schädigungsmechanismus , Oberflächenbeschaffenheit , Eigenschaftsoptimierung , Anwendung im Fahrzeugbau , Tagungsbericht
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