Research on the Power Generation Efficiency of Zero-Carbon Port Framework-Based Gravitational Energy Storage Systems

Jijian Lian, Yingjiu Zhao, Zhaolin Jia (), Zhaoguo Qiu and Xinyi Li
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Jijian Lian: School of Civil Engineering, Tianjin University, Tianjin 300350, China
Yingjiu Zhao: School of Civil Engineering, Tianjin University, Tianjin 300350, China
Zhaolin Jia: School of Civil Engineering, Tianjin University, Tianjin 300350, China
Zhaoguo Qiu: Huadian Heavy Industries Company Limited, Beijing 100070, China
Xinyi Li: School of Civil Engineering, Tianjin University, Tianjin 300350, China

Sustainability, 2025, vol. 17, issue 8, 1-23

Abstract: Based on containers as heavy objects, a framework-based gravitational energy storage system is designed, where the container is lifted to a certain height to store gravitational potential energy, which is then released to drive a generator for power generation. The system utilizes existing port infrastructure, reducing the manufacturing cost of heavy blocks and offering good environmental adaptability. The results show that framework-based gravitational energy storage systems have high feasibility in port energy supply, providing stable power output and improving energy efficiency. Through optimization analysis of storage efficiency, power generation efficiency, and other parameters, this study provides theoretical and technical support for achieving sustainable green development in ports. This paper firstly describes the design and operating principles of the system, followed by a detailed indoor test analysis. Subsequently, the test results are specifically analyzed. Finally, practical implications and future development directions are discussed.

Keywords: zero-carbon port; framework-based; gravitational energy storage system; model testing; power generation capacity (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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