Abstract

Hydrogen filling stations can provide hydrogen by consuming renewable electricity, and are an important part of the electric-hydrogen coupling system. An appropriate pricing mechanism for renewable-dominated hydrogen stations is urgently required. In this paper, we propose a dynamic pricing mechanism for such hydrogen stations enhanced by blockchain technology. First, a two-way decentralized trading mode is constructed in the electricity/hydrogen energy markets. Second, a series of propensity factors are integrated into the two-way pricing mechanism, which is a mathematical characterization of various real-time information in the system. Blockchain cross-chain interoperability technology can ensure seamless and effective performance of the proposed pricing mechanism. A case study is presented, and our simulation results show that our method has obvious advantages in improving trading profit and renewable energy utilization efficiency over the method of a constant energy price. Finally, we developed a double-chain blockchain decentralized application to illustrate how the system can implement a two-way dynamic pricing mechanism in an electric-hydrogen coupling system.

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