Research on matching design method of waste heat reuse system of fuel cell vehicle considering system energy consumption and waste heat exchange rate

Sun, Weihong; Yi, Fengyan; Hu, Donghai; Zhou, Jiaming

doi:10.1002/er.6175

Cited by 10 publications

(5 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…To solve the problems of the short driving range and low energy recovery efficiency of electric vehicles, a number of energy recovery technologies have been proposed [2]. In the energy recovery and utilization of traditional vehicles, energy harvesting methods are mainly studied from three aspects: waste heat [3], braking energy [4], and vibration energy [5]. Vibration energy recovery technology has great application potential in both fuel and electric vehicles.…”

Section: Introductionmentioning

confidence: 99%

Effects of Mechanical and Electrical Topologies on Piezoelectric Stacked Energy Harvesting in Vehicle Suspensions

Li,

Wang,

Wan

et al. 2024

International Journal of Energy Research

View full text Add to dashboard Cite

The choice of mechanical and electrical topologies can affect piezoelectric energy harvesting efficiency, but the problem of achieving high-efficiency energy conversion in energy harvesters stacked as cantilevers has not been perfectly solved. This study focuses on the topology of piezoelectric elements in a stacked vehicle suspension vibration energy harvesting device. Through theoretical analysis, the stress expressions of the excited and driven elements are derived. The stress of the piezoelectric elements is affected by the positions of the connection and excitation points. A stress model was established for a four-piece piezoelectric element connected by a thin light rod in ANASYS. The simulation results show that the average stress in the piezoelectric bending element model is maximum when the excitation and connection points are located at both ends of the free end. Compared with the middle position of the free end of the piezoelectric element, the average stress of the model is increased by 92.904%. Considering the difference in voltage generated by piezoelectric elements, four kinds of electrical topology are designed and analyzed experimentally. When the driven elements are connected in parallel and then connected in series with the excited element, the output power varied the least with the change of load resistance. The system produces a high power and offers a wide selection of load resistors. When the load is 26 kΩ, a single set of four piezoelectric elements produces 86.407 mW of output power.

show abstract

Section: Introductionmentioning

confidence: 99%

Effects of Mechanical and Electrical Topologies on Piezoelectric Stacked Energy Harvesting in Vehicle Suspensions

Li,

Wang,

Wan

et al. 2024

International Journal of Energy Research

View full text Add to dashboard Cite

show abstract

“…They adopted three different driving cycle conditions to test the effect of ram air on the cooling system performance and get the optimal control strategy. Sun et al [36] designed and modeled a waste heat reuse system for the 60kW fuel cell vehicle.…”

Section: Introductionmentioning

confidence: 99%

Modeling and thermal management of proton exchange membrane fuel cell for fuel cell/battery hybrid automotive vehicle

Xing

Xiang

Zhu

et al. 2022

International Journal of Hydrogen Energy

View full text Add to dashboard Cite

“…and their redistribution. The primary challenge for the FCEV's large-scale commercialization is the performance parameter matching and controlling of a fuel cell stack, which are important for lowering the fuel consumption at the high current density during a long driving range [12]. This is mainly restricted due to the complex coupled behaviors of the fuel cell performance parameters, hindering the PEMFC in the application of the automotive sector [13].…”

Section: Introduction 1the Need For the Performance Parameter Matchin...mentioning

confidence: 99%

An Effective Force-Temperature-Humidity Coupled Modeling for PEMFC Performance Parameter Matching by Using CFD and FEA Co-Simulation

Zhang

et al. 2022

Sustainability

Self Cite

View full text Add to dashboard Cite

High-performance proton exchange membrane fuel cell (PEMFC) vehicles are important for realizing carbon neutrality in transportation. However, the optimal power density of the fuel cell performance is difficult to achieve due to the internal complex operating conditions of a fuel cell stack. Moreover, there is a lack of effective models to solve the coupled multi-physical fields (force, temperature and humidity, etc.) in the PEMFC, particularly considering the gas diffusion layer (GDL) compression. Thus, a force-temperature-humidity coupled modeling method is introduced to evaluate the effects of key operating conditions for the fuel cell performance parameter matching. Firstly, the interfacial contact resistance and GDL porosity are obtained by a force-temperature coupled simulation using a finite element analysis (FEA) modeling, then the obtained results are introduced into a temperature-humidity coupled simulation using a computational fluid dynamics (CFD) modeling. An iteration algorithm is proposed to realize the force-temperature-humidity coupled simulation for the PEMFC performance. The main characteristics of the PEMFC performance parameters are revealed and the optimum matching criteria of the main performance parameters (temperature, stoichiometric ratio and relative humidity) are determined. The presented co-simulation method is significant and effective for realizing the PEMFC performance parameter matching condition, and it provides a design direction for an optimal power density of a fuel cell stack.

show abstract

Research on matching design method of waste heat reuse system of fuel cell vehicle considering system energy consumption and waste heat exchange rate

Cited by 10 publications

References 27 publications

Effects of Mechanical and Electrical Topologies on Piezoelectric Stacked Energy Harvesting in Vehicle Suspensions

Effects of Mechanical and Electrical Topologies on Piezoelectric Stacked Energy Harvesting in Vehicle Suspensions

Modeling and thermal management of proton exchange membrane fuel cell for fuel cell/battery hybrid automotive vehicle

An Effective Force-Temperature-Humidity Coupled Modeling for PEMFC Performance Parameter Matching by Using CFD and FEA Co-Simulation

Contact Info

Product

Resources

About