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.
Patent No.:
Date of Patent:
Sep. 29, 2026
Filed:
Oct. 18, 2024
Kyocera Avx Components Corporation, Fountain Inn, SC (US);
Xiaorong Liu, Simpsonville, SC (US);
Michael Maich, Simpsonville, SC (US);
Jonathan Robert Knopsnyder, Fountain Inn, SC (US);
Bryan Caoile, Simpsonville, SC (US);
Ken Brown, Simpsonville, SC (US);
Laurent Desclos, San Diego, CA (US);
KYOCERA AVX Components Corporation, Fountain Inn, SC (US);
Abstract
An electrolyte system and an ultracapacitor are disclosed. The electrolyte system comprises a solvent, an ionic liquid comprising a cyclic compound, and a lithium metal salt. The solvent comprises a first sulfur-containing compound in an amount of from less than 85 wt. % based on the weight of the solvent and a second sulfur-containing compound in an amount of 50 wt. % or less based on the weight of the solvent. An ultracapacitor may comprise the electrolyte system.