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:
Jul. 30, 2024

Filed:

Dec. 13, 2023
Applicants:

Kunming University of Science and Technology, Kunming, CN;

Jiangsu Fengchi Carbon Based New Material Research Institute Co., Ltd, Xuzhou, CN;

Inventors:

Feng Liang, Kunming, CN;

Minjie Hou, Kunming, CN;

Da Zhang, Kunming, CN;

Tao Zhang, Xuzhou, CN;

Sunzu Xiang, Xuzhou, CN;

Wenlong Jiang, Kunming, CN;

Baoqiang Xu, Kunming, CN;

Bin Yang, Kunming, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0562 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0562 (2013.01); H01M 2300/0068 (2013.01);
Abstract

A method for preparing a sodium super ionic conductor solid electrolyte by low-dimensional crystallization belongs to a field of energy materials. The method is based on the theory of negative ion coordination polyhedron growth unit, and uses low-temperature plasma as a protective gas of a spray drying equipment. While evaporating the solvent in a sodium super ionic conductor solid electrolyte precursor slurry, plasma active groups modify the particle surface of the sodium super ionic conductor solid electrolyte precursor particles in-situ. A free space dimension of crystal growth in the crystallization process is reduced, and directional growth of crystals in the solid phase sintering process is induced. Secondly, the dispersion stability of the sodium super ionic conductor solid electrolyte precursor particles is improved. Compared with the traditional high-temperature solid-state sintering process, the method has the advantages of fast crystallization speed, high crystal purity and integrity, good compactness, and uniform particles.


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