Back to results
US 11,942,630 B2Granted
Nano-featured porous silicon materials
AssigneeGroup14 Technologies, Inc.
InventorsAaron M. Feaver, Leah A. Thompkins, Katharine Geramita, Benjamin E. Kron, Avery J. Sakshaug, Sarah Fredrick, Henry R. Costantino, Chad Goodwin, Christopher Timmons, Farshid Afkhami, Adam Strong
Life of this patent
Estimating the term…
Abstract
Porous silicon and methods for preparation and use of the same are disclosed. The porous silicon materials have utility either alone or in combination with other materials, for example, combined with carbon particles for energy storage applications.
Claims20
A nano-featured porous silicon material comprising:
- i) a skeletal density less than 2.2 g/cm3 as measured by helium pycnometry;
- ii) a specific surface area between 30 m2/g and 230 m2/g;
- and
- iii) a pore volume between 0.1 cm3/g and 0.5 cm3/g,
- wherein:
- an oxygen content of the porous silicon material is less than 30%;
- and
- the porous silicon material comprises micropores, mesopores and macropores, such that the macropores comprise 10% to 90% of the pore volume.
5 more elements
Dependencies are inferred from the claim text.