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US 2019/0165371 A1Published application
Binder free silicon electrodes for lithium ion battery operability
AssigneeWayne State University
InventorsGanguli Babu, Khalid Ababtain, Leela Mohana Reddy Arava, Abdulrazzag Sawas
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Abstract
Disclosed herein is a lithium ion battery which operates stably at high temperatures. The battery disclosed herein has a chemical composition amenable to long-term operation at elevated temperatures and employs a lithium-based cathode, a silicon-based anode, and a piperidinium-based electrolyte solution.
Claims20
An electrochemical cell comprising:
- a cathode;
- an anode, the anode having a porous structure and comprising at least one of silicon, germanium, aluminum, phosphorous, tin, and lithium alloys thereof;
- an ionic liquid electrolyte in contact with the cathode and the anode.
An electrochemical cell comprising:
- a cathode comprising at least one of LiFePO4 and LiMn2O4;
- an anode, the anode having a porous structure and comprising at least one of silicon, germanium, aluminum, phosphorous, and tin;
- and
- an ionic liquid electrolyte in contact with the cathode and the anode, the ionic liquid comprising at least one of pyrrolidinium, phosphonium, and piperidinium,
- the electrochemical cell being operable at a temperature of 100 degrees Celsius.
2 more elements
An electrochemical cell comprising:
- a cathode comprising one of lithium/oxygen and lithium/sulfur;
- an anode, the anode having a porous structure and comprising at least one of silicon and lithiated silicon;
- and
- an ionic liquid electrolyte in contact with the cathode and the anode.
1 more element
Dependencies are inferred from the claim text.