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. 01, 2026
Filed:
Nov. 27, 2024
Iowa State University Research Foundation, Inc., Ames, IA (US);
Xiaoli Tan, Ames, IA (US);
Anand Prakash Singh Gaur, Ames, IA (US);
Jun Cui, Ames, IA (US);
Binzhi Liu, Columbus, OH (US);
Duane D. Johnson, Ames, IA (US);
Renu, Ballwin, MI (US);
Iowa State University Research Foundation, Inc., Ames, IA (US);
Abstract
Disclosed are embodiments of an antiferroelectric (AFE) ceramic. The AFE ceramic includes a PbZrO-based composition. The AFE ceramic has a charge-discharge energy efficiency of at least 96%, and the AFE ceramic has a recoverable energy density of at least 2.8 J/cmat a peak field of at least 200 kV/cm. Embodiments of a method of identifying potential AFE ceramic compositions having high energy efficiency and recoverable energy density are also disclosed.