US 12,391,481 B2
Large deformation underground energy storage device
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); and Tao Zhang, Jiangsu (CN)
Assigned to CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Xuzhou (CN)
Filed by CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Jiangsu (CN)
Filed on Nov. 10, 2023, as Appl. No. 18/506,403.
Claims priority of application No. 202311015175.5 (CN), filed on Aug. 14, 2023.
Prior Publication US 2025/0058973 A1, Feb. 20, 2025
Int. Cl. B65G 5/00 (2006.01); F17C 1/02 (2006.01)
CPC B65G 5/005 (2013.01) [F17C 1/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A large deformation underground energy storage device, comprising a body, wherein the body comprises 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 comprises a plurality of negative Poisson's ratio material elements connected in sequence, and the large deformation concrete layer is cast from deformable concrete.