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US 2025/0030000 A1Published application
Lithium carbon composite battery
AssigneeGroup14 Technologies, Inc.
InventorsNathan D. PHILLIP, Avery J. SAKSHAUG, Rajankumar PATEL, Abirami DHANABALAN, Christopher TIMMONS, Aaron M. FEAVER, Henry R. COSTANTINO
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Abstract
Disclosed herein are particulate lithium carbon composite materials and devices containing the same.
Claims22
A lithium carbon composite, comprising:
- a) a porous carbon scaffold comprising a pore volume;
- and
- b) a lithium content of 30% to 70% by weight,
- wherein the lithium resides within pores of the porous carbon scaffold.
1 more element
A plurality of lithium carbon composite particles, comprising:
- a) a carbon scaffold comprising:
- i) micropores, and
- ii) a pore volume of greater than 0.5 cm3/g;
- and
- b) lithium residing within 10% to 90% of the carbon scaffold pore volume, wherein:
- a lithium content of the lithium carbon composite particles is 30% to 70% by weight;
- a Dv50 of the lithium carbon composite particles is between 0.1 and 50 microns;
- and
- a surface area of the lithium carbon composite particles is less than 30 m2/g.
6 more elements
A plurality of lithium carbon composite particles, comprising:
- a) a carbon scaffold comprising:
- i) micropores, and;
- ii) a pore volume of greater than 0.5 cm3/g;
- b) lithium residing within 10% to 90% of the carbon scaffold pore volume;
- and
- c) a terminal coating,
- wherein:
- a lithium content of the lithium carbon composite particles is 30% to 70% by weight;
- a Dv50 of the lithium carbon composite particles is between 0.1 and 50 microns;
- and
- a surface area of the lithium carbon composite particles is less than 30 m2/g.
8 more elements
A method of manufacturing a lithium carbon composite, the method comprising:
- a) providing a particulate porous carbon scaffold;
- b) mixing the particulate porous carbon scaffold with a solid lithium metal in the presence of an inert atmosphere to obtain a mixture;
- c) heating the mixture at 180° C. to 1300° C. to melt the lithium metal;
- and
- d) impregnating the molten lithium metal into pores of the particulate porous carbon scaffold particles.
2 more elements
A method of manufacturing a particulate lithium carbon composite material, the method comprising:
- a) mixing polymer precursors and storing for a period of time at sufficient temperature to allow for polymerization of the polymer precursors to obtain a polymer material;
- b) carbonizing the polymer material to create a porous carbon material comprising a pore volume of greater than 0.5 cm3/g;
- c) comminuting the porous carbon material to create a plurality of porous carbon scaffold particles comprising a Dv50 between 0.1 and 50 microns;
- d) mixing the porous carbon scaffold particles with solid lithium metal in the presence of an inert atmosphere to obtain a mixture;
- e) heating the mixture at 180° C. to 1300° C. to melt the lithium metal;
- and
- f) impregnating the molten lithium metal into pores of the porous carbon scaffold particles.
4 more elements
A method of manufacturing a lithium carbon composite, the method comprising:
- a) providing a particulate porous carbon scaffold;
- b) mixing the particulate porous carbon scaffold with solid lithium metal in the presence of an inert atmosphere to obtain a mixture;
- c) heating the mixture at 180° C. to 1300° C. to melt the lithium metal;
- d) impregnating the molten lithium metal into pores of the particulate porous carbon scaffold;
- and
- e) heating the lithium impregnated particles in the presence of acetylene at 350° C. to 1050° C.
3 more elements
A method of manufacturing a particulate lithium carbon composite material, the method comprising:
- a) mixing polymer precursors and storing for a period of time at sufficient temperature to allow for polymerization of the precursors to obtain a polymer material;
- b) carbonizing the polymer material to create a porous carbon material comprising a pore volume of greater than 0.5 cm3/g;
- c) comminuting the porous carbon material to create a plurality of porous carbon scaffold particles comprising a Dv50 between 0.1 and 50 microns;
- d) mixing the porous carbon scaffold particles with solid lithium metal in the presence of an inert atmosphere to obtain a mixture;
- e) heating the mixture at 180° C. to 1300° C. to melt the lithium metal;
- f) impregnating the molten lithium metal into pores of the porous carbon scaffold particles;
- and
- g) heating the lithium impregnated particles in the presence of acetylene at 350° C. to 1050° C.
5 more elements
Dependencies are inferred from the claim text.