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:
Nov. 19, 2024

Filed:

Mar. 29, 2020
Applicant:

Guangdong Fenghua Advanced Technology Holding Co., Ltd., Guangdong, CN;

Inventors:

Xiuhua Cao, Guangdong, CN;

Jianmei Liu, Canberra, AU;

Dehong Chen, Canberra, AU;

Haidong Ren, Guangdong, CN;

Yun Liu, Canberra, AU;

Terry James Frankcombe, Canberra, AU;

Zhenxiao Fu, Guangdong, CN;

Shiwo Ta, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/462 (2006.01); C04B 35/622 (2006.01); C04B 35/626 (2006.01); C04B 35/64 (2006.01); H01B 3/12 (2006.01);
U.S. Cl.
CPC ...
C04B 35/462 (2013.01); C04B 35/622 (2013.01); C04B 35/6261 (2013.01); C04B 35/6264 (2013.01); C04B 35/62655 (2013.01); C04B 35/62695 (2013.01); C04B 35/64 (2013.01); H01B 3/12 (2013.01); C04B 2235/3234 (2013.01); C04B 2235/6021 (2013.01); C04B 2235/604 (2013.01); C04B 2235/606 (2013.01); C04B 2235/612 (2013.01); C04B 2235/6562 (2013.01); C04B 2235/6567 (2013.01); C04B 2235/662 (2013.01); C04B 2235/762 (2013.01); C04B 2235/80 (2013.01);
Abstract

The present invention discloses a multiphase ceramic material with a giant dielectric constant, wherein the multiphase ceramic material has a general formula of ABTiO; wherein A is at least one selected from the group consisting of Nb, Ta, V, Mo, and Sb, B is at least one selected from the group consisting of In, Ga, Al, Co, Cr, Sc, Fe (III), and a trivalent rare-earth cation; n is a molar ratio of B to A, 1<n≤5, 0<x≤0.1. The multiphase ceramic material possesses outstanding properties including a giant dielectric constant, a low dielectric loss, and excellent frequency- and temperature-stability. In particular, it exhibits a high insulation resistivity of higher than 10Ω·cm and a high breakdown voltage, which implies it can be applied in high-energy storage devices and supercapacitors. This invention also provides a method to synthesize the multiphase ceramic material.


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