power-to-X电池的技术经济比较：使用p图方法的多维评估

IF 10.9 1区工程技术 Q1 ENERGY & FUELS

Energy Conversion and Management Pub Date : 2025-07-18 DOI:10.1016/j.enconman.2025.120207

Haosheng Lin , Wei Wu

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引用次数: 0

摘要

对可再生能源日益增长的需求强调了开发可扩展、具有成本效益和可持续的能源存储系统的必要性，这些系统正在面临与盈利能力和效率相关的挑战。新兴的power-to-X （P2X）电池可以分散地、低成本地储存多余的可再生能源，以满足某些需求。然而，时间依赖性的需求和众多的技术选择（如存储介质、设备等）极大地阻碍了最佳P2X电池的识别。因此，我们提出了一个低复杂度的基于图论的框架，用于识别最有效和最具成本效益的配置。该案例研究强调，使用耐火砖和吸收式热泵的基于热能存储的动力到热电池的平均存储成本低于0.01美元/千瓦时，与电化学存储相比，存储套利价值增加了114%。我们还提供了在不同情况下选择储能配置的战略见解，并揭示了效率和盈利能力之间的关系。

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Techno-economic comparison of power-to-X batteries: A multidimensional assessment using the P-graph method

The growing demand for renewable energy underscores the necessity of developing scalable, cost-effective, and sustainable energy storage systems, which are encountering challenges related to profitability and efficiency. The emerging power-to-X (P2X) batteries can distributively and cost-effectively store surplus renewable energy to satisfy certain demands. However, the time-dependent demands and numerous technological selections (e.g., storage medium, equipment, etc.) greatly hinder the identification of optimal P2X batteries. Therefore, we present a low-complex graph-theory-based framework for identifying the most efficient and cost-effective configuration. The case study highlights the thermal-energy-storage-based power-to-heat batteries using fire bricks with absorption heat pumps deliver a levelized cost of storage below $0.01/kWh and a 114 % increase in storage arbitrage value compared to their electrochemical storage counterpart. We also offer strategic insights into selecting energy storage configurations in different scenarios and reveal the relationship between efficiency and profitability.

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来源期刊

Energy Conversion and Management 工程技术-力学

CiteScore

19.00

自引率

11.50%

发文量

1304

审稿时长

17 days

期刊介绍： The journal Energy Conversion and Management provides a forum for publishing original contributions and comprehensive technical review articles of interdisciplinary and original research on all important energy topics. The topics considered include energy generation, utilization, conversion, storage, transmission, conservation, management and sustainability. These topics typically involve various types of energy such as mechanical, thermal, nuclear, chemical, electromagnetic, magnetic and electric. These energy types cover all known energy resources, including renewable resources (e.g., solar, bio, hydro, wind, geothermal and ocean energy), fossil fuels and nuclear resources.