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US 2023/0399453 A1Published application
Preparation of polymeric resins and carbon materials
AssigneeGroup14 Technologies, Inc.
InventorsKatharine Geramita, Benjamin E. Kron, Henry R. Costantino, Aaron M. Feaver, Avery J. Sakshaug, Leah A. Thompkins, Alan Tzu-Yang Chang
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Abstract
The present application is directed to methods for preparation of carbon materials. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries.
Claims23
1-54. (canceled)
A battery anode electrode material comprising:
- a plurality of composite particles comprising:
- a plurality of porous carbon particles comprising a milled activated carbon particle;
- and
- an electrochemical modifier incorporated into pores of the porous carbon particles,
- wherein:
- the porous carbon particles have a mean particle diameter of less than 1 mm;
- the porous carbon particles have a specific surface area of at least 400 mg;
- and
- the porous carbon particles have less than 500 ppm of all atoms having a molecular weight between 1 and 92, measured by photon induced x ray emissions.
6 more elements
A battery anode electrode material comprising:
- a plurality of composite particles comprising:
- a plurality of porous carbon particles comprising a milled activated carbon particle;
- and
- an electrochemical modifier comprising elemental silicon incorporated into pores of the porous carbon particles,
- wherein:
- the porous carbon particles have a mean particle diameter of less than 1 mm;
- the porous carbon particles have a specific surface area of at least 400 mg;
- and
- the porous carbon particles have less than 500 ppm of all atoms having a molecular weight between 1 and 92, measured by photon induced x ray emissions.
6 more elements
Dependencies are inferred from the claim text.