Electrodes including polyacrylate binders and methods of making and using the same
Assignee3M Innovative Properties Company
InventorDinh Ba Le
Life of this patent
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Abstract
Provided is an electrode composition comprising a powdered material capable of undergoing lithiation and delithiation, and a non-elastomeric binder comprising lithium polyacrylate, along with methods of making and using the same, as well as electrochemical cells incorporating the same.
Claims20
An electrode composition comprising:
- a powdered material capable of undergoing lithiation and delithiation;
- and
- a non-elastomeric binder comprising lithium polyacrylate.
The composition of 3, wherein the powdered material further comprises a material selected from silver, tin, bismuth, carbon, lead, antimony, germanium, zinc, gold, platinum, palladium, arsenic, aluminum, gallium, indium, thallium, molybdenum, niobium, tungsten, tantalum, iron, copper, titanium, vanadium, chromium, nickel, cobalt, zirconium, yttrium, a lanthanide, an actinide, and combinations thereof.
An electrochemical cell comprising:
- a positive electrode;
- a negative electrode;
- and
- an electrolyte,
- wherein at least one of the positive electrode or the negative electrode comprises a powdered material capable of undergoing lithiation and delithiation, and a non-elastomeric binder comprising lithium polyacrylate.
A method of making an electrochemical cell electrode comprising:
- providing a current collector;
- providing a powdered material capable of undergoing lithiation and delithiation;
- and
- applying to the current collector a coating that comprises the powdered material and lithium polyacrylate.
Dependencies are inferred from the claim text.