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US 8,541,133 B2Granted
Electrochemical device with a magnesium anode and a stable, safe electrolyte compatible with sulfur
AssigneeToyota Motor Engineering & Manufacturing North America, Inc.
InventorsJohn Muldoon, Hee Soo Kim, Masaki Matsui Matsui
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Abstract
An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte containing a solvent and a LiCl complex of a magnesium halide salt of a sterically hindered secondary amine is provided. In a preferred embodiment the electrolyte contains tetrahydrofuran and 2,2,6,6-tetramethylpiperidinyl-magnesium chloride-lithium chloride complex.
Claims20
An electrochemical cell, comprising:
- an anode comprising magnesium as an active component;
- a cathode;
- and
- an electrolyte;
- wherein
- the electrolyte comprises a solvent and a LiCl complex of a magnesium halide salt of a sterically hindered secondary amine, the salt having a direct association of the magnesium of the halide salt with the nitrogen of the sterically hindered secondary amine.
3 more elements
A battery, comprising:
- an anode comprising magnesium as an active component;
- a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference;
- and
- an electrolyte;
- wherein
- the electrolyte comprises a solvent and 2,2,6,6-tetramethylpiperidinyl-magnesium chloride-lithium chloride complex.
3 more elements
Dependencies are inferred from the claim text.