Kaixin Wei
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View article: Catalyst Technology Breakthroughs and Exploration of Fuel Cell Vehicle Commercialization Paths
Catalyst Technology Breakthroughs and Exploration of Fuel Cell Vehicle Commercialization Paths Open
Hydrogen fuel cell vehicles are regarded as an important direction for future transportation due to their zero emissions and high efficiency. Still, the high cost of high-platinum catalysts limits their commercialization. This article brie…
View article: Analysis of Key Factors Affecting Case-to-Ambient Thermal Resistance in Thermal Modeling of Power Devices
Analysis of Key Factors Affecting Case-to-Ambient Thermal Resistance in Thermal Modeling of Power Devices Open
In the application of power converters, the ambient temperature (Ta) experiences significant fluctuations. For the case-to-ambient resistance (Rca), apart from the influence of the material’s inherent properties, factors such as heat dissi…
View article: Ammonia Sensor Based on Co2+/SCN− Modified Core-Shell MCM-41 for Rapid Naked-Eye Colorimetric Detection
Ammonia Sensor Based on Co2+/SCN− Modified Core-Shell MCM-41 for Rapid Naked-Eye Colorimetric Detection Open
Mesoporous silica materials have been widely used as gas adsorbents due to their excellent adsorption ability, large specific surface area, simple preparation process, and convenient functionalization. In this study, a core–shell mesoporou…
View article: Thermal Analysis and Junction Temperature Estimation under Different Ambient Temperatures Considering Convection Thermal Coupling between Power Devices
Thermal Analysis and Junction Temperature Estimation under Different Ambient Temperatures Considering Convection Thermal Coupling between Power Devices Open
The convection thermal coupling between adjacent power devices in power converters is dependent on the ambient temperature. When the ambient temperature changes, the convection thermal coupling also changes. This results in an inaccurate t…
View article: Multi-Variable Thermal Modeling of Power Devices Considering Mutual Coupling
Multi-Variable Thermal Modeling of Power Devices Considering Mutual Coupling Open
In relation to power converter design, power density is increasing while the form factor is decreasing. This trend generally reduces the rate of the cooling process, which increases the mutual thermal coupling among the surrounding power c…
View article: The MIMO Antenna Array with Mutual Coupling Reduction and Cross-polarization Suppression by Defected Ground Structures
The MIMO Antenna Array with Mutual Coupling Reduction and Cross-polarization Suppression by Defected Ground Structures Open
This paper proposes two types of defected ground structures (DGSs) for achieving the mutual coupling (MC) reduction and the antenna cross-polarization (XP) suppression respectively in a MIMO (multiple input multiple output) wireless commun…
View article: The IGBT Losses Analysis and Calculation of Inverter for Two-seat Electric Aircraft Application
The IGBT Losses Analysis and Calculation of Inverter for Two-seat Electric Aircraft Application Open
This paper presented a parabola interpolation method to calculate the inverter IGBT losses, diode conduction losses, switching losses, total losses and efficiency. The method used parabola interpolation to fit the losses characteristic cur…