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US 2018/0026317 A1Published application
PHOTO-ASSISTED FAST CHARGING OF LITHIUM MANGANESE OXIDE SPINEL (LiMn2O4) IN LITHIUM-ION BATTERIES
AssigneeUchicago Argonne, LLC
InventorsChristopher S. Johnson, Anna Lee
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Abstract
An electrochemical cell includes a cathode, an anode, a non-aqueous electrolyte, and a cathode illumination source.
Claims20
An electrochemical cell comprising a cathode, an anode, a non-aqueous electrolyte, and a cathode illumination source configured to direct a light source at the cathode during a charging cycle.
A process for charging a discharged electrochemical cell, the process comprising:
- applying a voltage bias to the discharged electrochemical cell;
- and
- illuminating the cathode with a light source;
- wherein:
- the discharged electrochemical cell comprises a cathode, an anode, a non-aqueous electrolyte, and an illumination source.
2 more elements
A method of generating Mn4+ in an electrode of an electrochemical cell, the method comprising applying a charging current to the electrochemical cell, and simultaneously illuminating the electrode with visible light.
Dependencies are inferred from the claim text.