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Article
Thermodynamics
Mengzhu Luo et al.
Summary: The cold start strategy of coolant preheating is crucial and feasible, but the preheating time needs to be shortened. In low temperature environments, attention should be paid to the fluctuation of fuel cell output power and the deterioration of voltage uniformity.
APPLIED THERMAL ENGINEERING
(2022)
Article
Thermodynamics
Gursel Sefkat et al.
Summary: The study aims at enhancing overall energy efficiency of the fuel cell hybrid electric vehicle through a fuzzy logic control algorithm, balancing the energy consumption of the battery and fuel cell, utilizing waste heat of hydrogen vessels, and operating two energy sources safely and efficiently. The developed algorithm successfully reduces total energy consumption, increases energy efficiency at extreme temperatures, and provides a thermal management strategy for waste heat recovery from hydrogen vessels.
Article
Thermodynamics
Xiangyang Xu et al.
Summary: This study provides a thorough comparison between the series hybrid transmission (SHT) and series-parallel hybrid transmission (SPHT) for different types of vehicles and driving cycles. The results show that SPHT has notable advantages in fuel saving compared with SHT, especially in high-speed driving cycles for type C vehicles, while there is a negligible difference in fuel consumption between the two for type A vehicles under urban driving cycles. The SPHT has a fuel saving of approximately 7.2% more than the SHT for type B vehicles under the Worldwide Harmonized Light Vehicles Test Cycle (WLTC).
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Economics
Yanfei Li et al.
Summary: In September 2020, the Chinese central government announced a new policy emphasizing the development of hydrogen energy and fuel cell commercial vehicles. This policy is significantly different from the strategies of other leading economies in the sector. The study aims to provide insights into the justification behind this policy by developing quantitative models to assess the economic feasibility of using hydrogen energy produced from renewable sources in the road transport sector in China.
Article
Thermodynamics
Junzhe Shi et al.
Summary: This paper proposes a low computational cost EMS for hybrid battery/ultracapacitor electric buses, which effectively reduces energy consumption and battery life degradation through the use of V2C technology and optimized control rules.
Review
Green & Sustainable Science & Technology
Pemmareddy Saiteja et al.
Summary: This article discusses the efficient energy management system (EMS) for hybrid electric vehicles (HEVs) to split the demand power between drivetrain components. It provides an overview of the key control modules in the EMS and various energy optimization strategies. The article also explores the real-time development process of EMS and highlights the challenges and difficulties in EMS advancements, along with suggestions for future EMS research.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Article
Energy & Fuels
Qian Xun et al.
Summary: This paper introduces a chance-constrained robust co-design optimization framework and studies it using a fuel cell hybrid electric long-haul truck as a case study. The results show that adopting a robust approach in joint design and energy management can effectively address the impact of uncertainties in vehicle movement, leading to increased battery capacity.
Review
Green & Sustainable Science & Technology
Amarnath Krishnamoorthy et al.
Summary: Microalgae are a potential source for various nutritional products and biofuels, with applications in industries such as food, medicine, and fuel. Cell disruption, as a crucial part of microalgae bioconversion, has complex requirements due to the nature of microalgae cell walls. This paper provides a comprehensive review of recent pre-treatment techniques for microalgal biodiesel production and discusses their advantages, disadvantages, and application in algal biorefineries.
Article
Green & Sustainable Science & Technology
Hamed Jafari Kaleybar et al.
Summary: This paper studies the modeling of fuel cell hybrid locomotives and proposes a modified fuzzy logic-based energy management system. Simulation results show that the proposed system can reduce hydrogen consumption and improve power distribution and energy storage performance.
Review
Green & Sustainable Science & Technology
Aihua Tang et al.
Summary: This paper reviews and summarizes several PEMFC life prediction methods for electric vehicles. It is of great importance to accurately predict the life of PEMFC and lays a theoretical foundation for future research.
Article
Thermodynamics
Junhui Meng et al.
Summary: This paper studies a hybrid energy system for a multi-lobes hybrid air vehicle (HAV), which uses solar cells, fuel cells, and lithium batteries as energy sources. By establishing a rule-based power-following management strategy, different energy subsystems can be better managed to achieve optimal flight performance for HAV.
Article
Computer Science, Information Systems
Cheng Lin et al.
Summary: A dual-motor coaxial propulsion system based on a single planet gear set is developed, and a shift control method based on the hierarchical linear quadratic regulator (HLQR) algorithm is designed. Simulation results show that the hierarchical linear quadratic regulator algorithm performs well in gear control.
Article
Energy & Fuels
Mehroze Iqbal et al.
Summary: Fuel cell hybrid vehicles face challenges such as high manufacturing costs and inadequate refueling facilities, which impact their competitiveness. A novel dual-layer approach that synergizes sizing with an online energy management system could help address these challenges and improve performance. Compared to other methods, this approach could lead to significant improvements in fuel consumption and health degradation costs.
Review
Energy & Fuels
Zhen Song et al.
Summary: Fuel cell hybrid electric vehicles, powered by both fuel cell and lithium-ion battery, have been recognized as a potential alternative to internal combustion vehicles due to their high energy density and conversion efficiency. Energy management and thermal management are critical for stable power output, and strategies integrating temperature effects are crucial for improving efficiency and service life.
Article
Thermodynamics
Soohwan Kim et al.
Summary: In this study, the cold-start performance of fuel cell electric vehicles was investigated with the integration of a heat pump system and a thermal management system. The optimized compressor speed, air velocity, and coolant volume flow rate led to reduced cold-start time and total energy consumption, improving the cold-start performance of the heat pump-assisted TMS.
Article
Thermodynamics
Ahmed Fathy et al.
Summary: This paper proposes an energy management strategy based on the parasitism-predation algorithm for hybrid renewable energy sources to supply aircraft in emergency situations. The strategy aims to minimize hydrogen consumption and improve aircraft power durability, showing superior efficiency and minimum hydrogen consumption in experimental results.
Article
Green & Sustainable Science & Technology
X. He et al.
Summary: Hydrogen has the potential to contribute to a clean, secure, and affordable energy future. Fuel cell vehicles can have lower emissions compared to gasoline vehicles, but the environmental impacts and cost-effectiveness are strongly influenced by electricity sources.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Review
Green & Sustainable Science & Technology
Ahmad Baroutaji et al.
Summary: Significant research efforts have been focused on reducing the cost, increasing efficiency, and decreasing the environmental impact of power-generation systems. The review highlights the main technologies, economic, energy, and environmental performance of Proton Exchange Membrane Fuel Cell-based Poly-Generation Systems (PEMFC-PGSs), along with commercialization activities and future research directions. Challenges related to high cost and degradation rate need to be addressed to fully realize the benefits of these systems.
Article
Chemistry, Physical
Feiqi Liu et al.
Summary: Hydrogen fuel cells are gaining attention as a potential carbon mitigation strategy for heavy duty vehicles. This study calculates the greenhouse gas emissions of the Chinese heavy-duty truck fleet under four hydrogen fuel cell penetration scenarios, showing significant reductions in GHG emissions can be achieved by using fuel cell vehicles. By combining an analysis of the carbon intensity of various hydrogen production pathways with predictions of the future hydrogen supply structure in China and different penetration rates of heavy-duty fuel cell vehicles, practical applications of the research are provided.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Green & Sustainable Science & Technology
Usman Asif et al.
Summary: Many initiatives aim to reduce carbon footprints to make air cleaner, but specific issues related to fuel cell electric vehicles (FCEVs) are often neglected in existing policies for electric vehicles (EVs), hindering the development of FCEV technologies. Lobbyism from traditionalists hinders the advancement of new technologies, but the demand for cleaner air and lower carbon emissions is driving a movement towards newer and cleaner technologies.
Article
Thermodynamics
Guo Jinquan et al.
Summary: This paper proposes a novel real-time energy management strategy for fuel cell engines, which includes intersection speed planning and model predictive control to reduce load fluctuations, improve road transportation efficiency, minimize hydrogen consumption, and extend the engine's service life.
Article
Engineering, Electrical & Electronic
Xiangyang Xu et al.
Summary: The study introduces a new electric dual motor transmission system with 9 different operating modes. By designing a mode shift map and energy management strategy, the driving power can be appropriately distributed between the two motors under the condition of minimum power consumption.
AUTOMOTIVE INNOVATION
(2021)
Article
Engineering, Electrical & Electronic
Xiaosong Hu et al.
IEEE TRANSACTIONS ON POWER ELECTRONICS
(2020)
Article
Chemistry, Physical
Haochen Sun et al.
JOURNAL OF POWER SOURCES
(2020)
Article
Energy & Fuels
Jiwei Yao et al.
Article
Chemistry, Physical
Cong Geng et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2019)
Article
Chemistry, Physical
Dong-Yeon Lee et al.
JOURNAL OF POWER SOURCES
(2018)
Article
Energy & Fuels
Raphael Wegmann et al.
JOURNAL OF ENERGY STORAGE
(2017)
Article
Energy & Fuels
K. Ettihir et al.
Article
Chemistry, Physical
Toni Fletcher et al.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2016)
Article
Engineering, Electrical & Electronic
Alexandre Ravey et al.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
(2012)
Article
Chemistry, Physical
Nilson Henao et al.
JOURNAL OF POWER SOURCES
(2012)