Sion Power Corporation

Basf Se Corporation

Schott Ag

Christine Bunte

Yuriy V Mikhaylik

Veronika G Viner

Wolfgang Schmidbauer

Igor P Kovalev

Meike Schneider

Miriam Kunze

David L Coleman

Sven Fleischmann

Articles and methods including composite layers for protection of electrodes in electrochemical cells are provided. In some embodiments, the composite layers comprise a polymeric material and a plurality of particles.

Ion-conductive composite for electrochemical cells

The present invention relates to a lithium-sulfur electrochemical cell comprising as component (A) an electrode comprising lithium metal or lithium alloy, and lithium ion conductively connected thereto as component (B) a glass ceramic membrane comprising an amorphous phase, as component (C) a liquid electrolyte comprising at least one solvent and at least one lithium salt, as component (D) an electrode comprising sulfur as a cathode active species. The present invention also relates to battery comprising a lithium-sulfur electrochemical cell as defined herein. The present invention further relates to the use of a glass ceramic membrane as defined herein as a separator in (i) a lithium-sulfur electrochemical cell, or (ii) a battery comprising at least one lithium-sulfur electrochemical cell.

Glass-ceramic electrolytes for lithium-sulfur batteries

Gel electrolytes, especially gel electrolytes for electrochemical cells, are generally described. In some embodiments, the gel electrolyte layers comprise components a) to c). Component a) may be at least one layer of at least one polymer comprising polymerized units of: a1) at least one monomer containing an ethylenically unsaturated unit and an amido group and a2) at least one crosslinker. Component b) may be at least one conducting salt and component c) may be at least one solvent. Electrodes may comprise the components a), d) and e), wherein component a) may be at least one layer of at least one polymer as described herein. Component d) may be at least one electroactive layer and component e) may be at least one ceramic layer. Furthermore, electrochemical cells comprising component a) which may be at least one layer of at least one polymer as described herein, are also provided.

Gel electrolytes and electrodes

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Mannheim, Germany

Christine Bunte