The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 08, 2025

Filed:

May. 20, 2022
Applicant:

Aspen Aerogels, Inc., Northborough, MA (US);

Inventors:

Nicholas A. Zafiropoulos, Wayland, MA (US);

George L. Gould, Mendon, MA (US);

Assignee:

ASPEN AEROGELS, INC., Northborough, MA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/04 (2006.01); H01M 4/139 (2010.01); H01M 4/66 (2006.01); H01M 4/80 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/139 (2013.01); H01M 4/0416 (2013.01); H01M 4/0471 (2013.01); H01M 4/38 (2013.01); H01M 4/663 (2013.01); H01M 4/808 (2013.01); H01M 10/052 (2013.01); H01M 2004/028 (2013.01);
Abstract

Nanoporous carbon-based scaffolds or structures, and specifically carbon aerogels and their manufacture and use thereof. Embodiments include a sulfur-doped cathode material within a lithium-sulfur battery, where the cathode is collector-less and is formed of a binder-free, monolithic, polyimide-derived carbon aerogel. The carbon aerogel includes pores that surround elemental sulfur and accommodate expansion of the sulfur during conversion to lithium sulfide. The cathode and underlying carbon aerogel provide optimal properties for use within the lithium-sulfur battery.


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Zafiropoulos, Nicholas. (2025). Nanoporous carbon structures for electrochemical devices (U.S. Patent No. 12272814). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12272814

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