Article
Energy & Fuels
Pai Liu, Franz Trieb
Summary: The paper compares the cost of thermal storage power plants (TSPP) with various conventional power plants, showing that TSPP require less fuel and offer greater flexibility. TSPP have lower electricity costs compared to conventional power plants and serve as an effective hedge against rising fossil fuel market prices and CO2 cost additions.
JOURNAL OF ENERGY STORAGE
(2022)
Review
Chemistry, Physical
Casper Boongaling Agaton, Kenneth Ian Talosig Batac, Edgar Medrano Reyes
Summary: The Philippines is exploring the prospects and challenges of green hydrogen production from renewable energy sources and proposes a roadmap for a green hydrogen economy by 2050. Green hydrogen, as a clean and sustainable energy carrier, can significantly reduce the country's dependence on imported fossil fuels and CO2 emissions.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Thermodynamics
Assia Chadly, Elie Azar, Maher Maalouf, Ahmad Mayyas
Summary: This paper proposes a techno-economic model to evaluate and compare three energy storage system technologies linked to a stand-alone photovoltaic system. The study demonstrates the economic attractiveness of lithium-ion batteries and fuel cells in improving the reliability and resiliency of power grids in the long term.
Article
Chemistry, Physical
Junzhou Li, Jinbin Zhao, Yiwen Chen, Ling Mao, Keqing Qu, Fen Li
Summary: This paper discusses the potential of hydrogen energy storage systems in high-proportion renewable energy systems and proposes a bi-level optimization model for the economic operation of a wind-photovoltaichydrogen hybrid system. The study investigates the relationship between the operation of the storage system and the matching of source-load output, and introduces wind-solar complementarity and demand response as adjustment factors. By using a hybrid optimization algorithm, the optimal sizing of components and the minimization of storage costs are achieved. The simulation results show that the system can reduce total costs by approximately 7.3% and storage costs by 10.3%, with a low storage cost of 0.276 USD/kWh.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Multidisciplinary Sciences
Gunther Glenk, Stefan Reichelstein
Summary: The authors demonstrate that reversible Power-to-Gas systems are economically viable in the German and Texas electricity markets. These systems can convert electricity to hydrogen during times of ample power supply and operate in reverse to deliver electricity when power is scarce. The model analysis shows that unitized regenerative fuel cells with reversibility feature are already cost-competitive at current hydrogen prices, and they are projected to remain economically viable even with substantially lower hydrogen prices in the future.
NATURE COMMUNICATIONS
(2022)
Article
Green & Sustainable Science & Technology
Maria Cristea, Radu-Adrian Tirnovan, Ciprian Cristea, Cristian Fagarasan
Summary: Storage systems are crucial for improving the reliability of electricity networks, especially with the increase of intermittent electricity generated by photovoltaic systems. This study identifies the most profitable battery technology for household and industrial users based on market research and analysis, and examines the impact of government subsidies on storage systems.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Engineering, Chemical
Yuanyuan Li, Xin Chen, Yan Xu, Yuming Zhuo, Gui Lu
Summary: This paper reviews the use of renewable energy resources and waste heat for desalination, focusing on energy efficiency and cost analysis. Cost-effective roadmaps are presented, integrating energy storage, heat pumps, and an integrated energy system. Evaluation of heat pump systems and developments in multi-source energy utilization systems are also discussed.
Article
Green & Sustainable Science & Technology
Bruno Cardenas, Lawrie Swinfen-Styles, James Rouse, Adam Hoskin, Weiqing Xu, S. D. Garvey
Summary: This study focuses on the growth of energy storage capacity requirement as the penetration of renewables increases, using the UK's electric grid as a case study. It analyzes the most economical solution to decarbonize the electric supply, suggesting that the UK could need approximately 43 TWh of storage capacity for decarbonization, requiring an investment of around 165.3 billion pounds.
Review
Energy & Fuels
Suleyman G. Gizer, Osman Polat, Manoj K. Ram, Nurettin Sahiner
Summary: Anthropogenic activities have led to a significant increase in carbon dioxide emissions, posing a global problem. Despite its harmful effects, CO2 can be potentially utilized in various industries. However, CO2 capture technologies are still in the early stages of development, but advancements in technology and cost reduction may facilitate their wider adoption in the future. Carbon capture is considered a promising solution for mitigating climate change. This review highlights recent CO2 capture technologies and evaluates their potential applications in different industries.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Environmental Sciences
Mari Ogata, Tomoaki Nakaishi, Hirotaka Takayabu, Shogo Eguchi, Shigemi Kagawa
Summary: Biodiesel fuel (BDF) is a potentially carbon-neutral fuel with the potential to help prevent global warming, but its high production cost presents challenges. This study evaluated the production efficiencies of 35 BDF plants in Japan and estimated the potential cost reduction associated with improved efficiency. The analysis revealed that most plants have inefficient production, with two main types of inefficiencies. Improving production efficiency could lead to a significant reduction in production costs.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Green & Sustainable Science & Technology
Govinda R. Timilsina
Summary: Renewable energy technologies, especially solar and wind energy technologies, have experienced a rapid decline in costs over the past two decades, making them cost-competitive with fossil fuel technologies. However, there is currently no consensus on the cost competitiveness due to wide variations in factors influencing LCOEs across countries and technologies.
Article
Energy & Fuels
M. Califano, M. Sorrentino, M. A. Rosen, C. Pianese
Summary: This paper proposes and examines a highly integrated microgrid based on a reversible solid oxide cell to meet the energy needs of a residential complex and electric vehicles. The optimal design is achieved through dynamic programming algorithm and economic analysis.
Article
Engineering, Environmental
Mohammed Al-Breiki, Yusuf Bicer
Summary: This study conducts a comprehensive techno-economic analysis of a power-to-methane plant, evaluating its financial viability and profitability over 20 years. The findings reveal financial challenges for the plant under current assumptions, but demonstrate its potential for viability and profitability under specific conditions. The study highlights the sensitivity of the plant's financial performance to key parameters such as methane selling price, CO2 costs, and discount rates, providing valuable insights for decision-making processes and development strategies. Additional research on technological advancements and integration with other renewable energy systems is recommended to further analyze the impact on the plant's financial performance and contribution to the transition to renewable energy systems.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Green & Sustainable Science & Technology
S. J. W. Klein, E. L. B. Fox
Summary: This study compares the cost and performance of 13 small-scale hydropower projects in multiple countries and highlights the inconsistencies and variances in cost and performance metrics. The study also emphasizes the need for publicly available and user-friendly SHP cost estimation tools with site-specific data.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Review
Chemistry, Physical
Ahmed M. Elberry, Jagruti Thakur, Annukka Santasalo-Aarnio, Martti Larmi
Summary: Analyzing the status and potential of compressed hydrogen storage technologies requires a techno-economic chain analysis to evaluate their feasibility; while some technologies are immature, they still show promise for development, highlighting the important role of hydrogen in balancing renewable electricity production.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Engineering, Mechanical
Tien Giap Van, Jeong Jae Hwang, Min Kuk Kim, Kook Young Ahn
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
(2016)
Article
Green & Sustainable Science & Technology
Van-Tien Giap, Sanggyu Kang, Kook Young Ahn
Article
Energy & Fuels
Van-Tien Giap, Young Duk Lee, Young Sang Kim, Kook Young Ahn
Article
Energy & Fuels
Van-Tien Giap, Young Sang Kim, Young Duk Lee, Kook Young Ahn
JOURNAL OF ENERGY STORAGE
(2020)
Article
Thermodynamics
Van-Tien Giap, Young Duk Lee, Young Sang Kim, Kook Young Ahn, Dae Hee Kim, Jung Il Lee
ENERGY CONVERSION AND MANAGEMENT
(2020)
Article
Thermodynamics
Yong Cheng, Fukai Song, Lei Fu, Saishuai Dai, Zhiming Yuan, Atilla Incecik
Summary: This paper investigates the accessibility of wave energy absorption by a dual-pontoon floating breakwater integrated with hybrid-type wave energy converters (WECs) and proposes a hydraulic-pneumatic complementary energy extraction method. The performance of the system is validated through experiments and comparative analysis.
Article
Thermodynamics
Jing Gao, Chao Wang, Zhanwu Wang, Jin Lin, Runkai Zhang, Xin Wu, Guangyin Xu, Zhenfeng Wang
Summary: This study aims to establish a new integrated method for biomass cogeneration project site selection, with a focus on the application of the model in Henan Province. By integrating Geographic Information System and Multiple Criterion Decision Making methods, the study conducts site selection in two stages, providing a theoretical reference for the construction of biomass cogeneration projects.
Article
Thermodynamics
Mert Temiz, Ibrahim Dincer
Summary: The current study presents a hybrid small modular nuclear reactor and solar-based system for sustainable communities, integrating floating and bifacial photovoltaic arrays with a small modular reactor. The system efficiently generates power, hydrogen, ammonia, freshwater, and heat for residential, agricultural, and aquaculture facilities. Thermodynamic analysis shows high energy and exergy efficiencies, as well as large-scale ammonia production meeting the needs of metropolitan areas. The hybridization of nuclear and solar technologies offers advantages of reliability, environmental friendliness, and cost efficiency compared to renewable-alone and fossil-based systems.
Editorial Material
Thermodynamics
Wojciech Stanek, Wojciech Adamczyk
Article
Thermodynamics
Desheng Xu, Yanfeng Li, Tianmei Du, Hua Zhong, Youbo Huang, Lei Li, Xiangling Duanmu
Summary: This study investigates the optimization of hybrid mechanical-natural ventilation for smoke control in complex metro stations. The results show that atrium fires are more significantly impacted by outdoor temperature variations compared to concourse/platform fires. The gathered high-temperature smoke inside the atrium can reach up to 900 K under a 5 MW train fire energy release. The findings provide crucial engineering insights into integrating weather data and adaptable ventilation protocols for smoke prevention/mitigation.
Article
Thermodynamics
Da Guo, Heping Xie, Mingzhong Gao, Jianan Li, Zhiqiang He, Ling Chen, Cong Li, Le Zhao, Dingming Wang, Yiwei Zhang, Xin Fang, Guikang Liu, Zhongya Zhou, Lin Dai
Summary: This study proposes a new in-situ pressure-preserved coring tool and elaborates its pressure-preserving mechanism. The experimental and field test results demonstrate that this tool has a high pressure-preservation capability and can maintain a stable pressure in deep wells. This study provides a theoretical framework and design standards for the development of similar technologies.
Article
Thermodynamics
Aolin Lai, Qunwei Wang
Summary: This study assesses the impact of China's de-capacity policy on renewable energy development efficiency (REDE) using the Global-MSBM model and the difference-in-differences method. The findings indicate that the policy significantly enhances REDE, promoting technological advancements and marketization. Moreover, regions with stricter environmental regulations experience a higher impact.
Article
Thermodynamics
Mostafa Ghasemi, Hegazy Rezk
Summary: This study utilizes fuzzy modeling and optimization to enhance the performance of microbial fuel cells (MFCs). By simulating and analyzing experimental data sets, the ideal parameter values for increasing power density, COD elimination, and coulombic efficiency were determined. The results demonstrate that the fuzzy model and optimization methods can significantly improve the performance of MFCs.
Article
Thermodynamics
Zhang Ruan, Lianzhong Huang, Kai Wang, Ranqi Ma, Zhongyi Wang, Rui Zhang, Haoyang Zhao, Cong Wang
Summary: This paper proposes a grey box model for fuel consumption prediction of wing-diesel hybrid vessels based on feature construction. By using both parallel and series grey box modeling methods and six machine learning algorithms, twelve combinations of prediction models are established. A feature construction method based on the aerodynamic performance of the wing and the energy relationship of the hybrid system is introduced. The best combination is obtained by considering the root mean square error, and it shows improved accuracy compared to the white box model. The proposed grey box model can accurately predict the daily fuel consumption of wing-diesel hybrid vessels, contributing to operational optimization and the greenization and decarbonization of the shipping industry.
Article
Thermodynamics
Huayi Chang, Nico Heerink, Junbiao Zhang, Ke He
Summary: This study examines the interaction between off-farm employment decisions between couples and household clean energy consumption in rural China, and finds that two-paycheck households are more likely to consume clean energy. The off-farm employment of women is a key factor driving household clean energy consumption to a higher level, with wage-employed wives having a stronger influence on these decisions than self-employed ones.
Article
Thermodynamics
Hanguan Wen, Xiufeng Liu, Ming Yang, Bo Lei, Xu Cheng, Zhe Chen
Summary: Demand-side management is crucial to smart energy systems. This paper proposes a data-driven approach to understand the relationship between energy consumption patterns and household characteristics for better DSM services. The proposed method uses a clustering algorithm to generate optimal customer groups for DSM and a deep learning model for training. The model can predict the possibility of DSM membership for a given household. The results demonstrate the usefulness of weekly energy consumption data and household socio-demographic information for distinguishing consumer groups and the potential for targeted DSM strategies.
Article
Thermodynamics
Xinglan Hou, Xiuping Zhong, Shuaishuai Nie, Yafei Wang, Guigang Tu, Yingrui Ma, Kunyan Liu, Chen Chen
Summary: This study explores the feasibility of utilizing a multi-level horizontal branch well heat recovery system in the Qiabuqia geothermal field. The research systematically investigates the effects of various engineering parameters on production temperature, establishes mathematical models to describe their relationships, and evaluates the economic viability of the system. The findings demonstrate the significant economic feasibility of the multi-level branch well system.
Article
Thermodynamics
Longxin Zhang, Songtao Wang, Site Hu
Summary: This investigation reveals the influence of tip leakage flow on the modern transonic rotor and finds that the increase of tip clearance size leads to a decline in rotor performance. However, an optimal tip clearance size can extend the rotor's stall margin.
Article
Thermodynamics
Kristian Gjoka, Behzad Rismanchi, Robert H. Crawford
Summary: This paper proposes a framework for assessing the performance of 5GDHC systems and demonstrates it through a case study in a university campus in Melbourne, Australia. The results show that 5GDHC systems are a cost-effective and environmentally viable solution in mild climates, and their successful implementation in Australia can create new market opportunities and potential adoption in other countries with similar climatic conditions.
Article
Thermodynamics
Jianwei Li, Guotai Wang, Panpan Yang, Yongshuang Wen, Leian Zhang, Rujun Song, Chengwei Hou
Summary: This study proposes an orientation-adaptive electromagnetic energy harvester by introducing a rotatable bluff body, which allows for self-regulation to cater for changing wind flow direction. Experimental results show that the output power of the energy harvester can be greatly enhanced with increased rotatory inertia of the rotating bluff body, providing a promising solution for harnessing wind-induced vibration energy.