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:
Aug. 19, 2025
Filed:
Nov. 10, 2023
China University of Mining and Technology, Jiangsu, CN;
Liyuan Yu, Jiangsu, CN;
Bowen Hu, Jiangsu, CN;
Rui Sun, Jiangsu, CN;
Xianzhen Mi, Jiangsu, CN;
Shuchen Li, Jiangsu, CN;
Haijian Su, Jiangsu, CN;
Wei Li, Jiangsu, CN;
Chao Wei, Jiangsu, CN;
Tao Zhang, Jiangsu, CN;
CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Xuzhou, CN;
Abstract
The disclosure belongs to the field of underground energy storage, and particularly provides a large-deformation underground energy storage device, including a body. The body includes a rubber sealing layer, a negative Poisson's ratio material layer, a large deformation concrete layer and rock layers sequentially nested from inside to outside; an internal storage space is formed in the rubber sealing layer, the negative Poisson's ratio material layer includes a plurality of negative Poisson's ratio material elements connected in sequence, and the large deformation concrete layer is cast from deformable concrete.