Parametric investigation and multi-objective optimization of building-integrated hybrid energy storage system with metal hydride tank

IF 8.1 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2025-05-24 DOI:10.1016/j.ijhydene.2025.04.522

Nikolaos Ziozas , Petros Iliadis , Evangelos Bellos , Angeliki Kitsopoulou , Renos Rotas , Dimitra Gonidaki , Nikolaos Nikolopoulos

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引用次数: 0

Abstract

The present analysis investigates a hybrid energy storage system consisting of lead-acid batteries and a hydrogen storage tank using metal hydrides. A dynamic simulation is conducted for a 1000 m² building, supported by photovoltaics and a hybrid storage system to meet annual appliance and lighting demands. The research focuses on optimal system sizing to minimize both grid electricity demand and total capital costs. Multi-objective optimization was conducted through a Dymola–Python NSGA-II algorithm interface, while energy simulations utilized the INTEMA.building tool. Results indicate an optimal solution with 118 lead-acid batteries (339.84 kWh) and a 4 kg H₂ capacity of a metal hydride storage tank, achieving 99.2 % grid autonomy. Although the 40 kW and 50 kW PV systems achieve comparable energy autonomy (98 %), their total cost is doubled compared to the optimal solution due to increased demanded MH tank capacity (60 kg H₂) to support the battery system, outperforming the total cost.

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金属氢化物储罐建筑一体化混合储能系统参数研究与多目标优化

本文研究了一种由铅酸电池和金属氢化物储氢罐组成的混合储能系统。对1000平方米的建筑进行了动态模拟，该建筑由光伏和混合存储系统支持，以满足年度电器和照明需求。研究的重点是优化系统规模，以最小化电网电力需求和总资本成本。通过Dymola-Python NSGA-II算法接口进行多目标优化，能量模拟利用INTEMA进行。构建工具。结果表明，最优方案为118节铅酸电池（339.84 kWh）和4 kg金属氢化物储罐容量，实现99.2%的电网自主性。虽然40千瓦和50千瓦的光伏系统实现了类似的能源自主性（98%），但由于需要增加MH罐容量（60千克H2）来支持电池系统，因此与最佳解决方案相比，它们的总成本增加了一倍，超过了总成本。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Hydrogen Energy 工程技术-环境科学

CiteScore

13.50

自引率

25.00%

发文量

3502

审稿时长

60 days

期刊介绍： The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.