Results 61 to 70 of about 6,072,506 (289)
Temperature Control for a 5 kW Water-Cooled PEM Fuel Cell System for a Household Application
IEEE Access, 2019 Temperature control is indispensable for polymer electrolyte membrane fuel cell (PEMFC) systems to ensure its safety and efficiency when working continuously.
Wen-Jiang Zou, Young-Bae Kim
doaj +1 more source
Modeling and experimental study on the sealing gasket of proton exchange membrane fuel cells [PDF]
Hydrogen, Fuel Cell & Energy Storage, 2017 In this study cross section geometry and material of gasket in proton exchange membrane (PEM) fuel cells have been investigated to achieve optimized fuel cell in terms of energy efficiency.
Mohammad Hossein Fili +2 more
doaj +1 more source
Advanced Materials Interfaces, EarlyView.The PTL–CL interface plays a decisive role in PEMWE performance by governing electron conduction, water supply, oxygen removal, catalyst utilization, and interfacial stability. This review summarizes interface‐related resistance sources, characterization methods, and engineering strategies, highlighting rational PTL–CL interface design for low‐cost ...
Aobo Wan, Zhengkai Tu
wiley +1 more source
Energy Reports, 2020 In hybrid electric vehicles, combining fuel cells with battery brings advantages such as high-power density, fast startup, and improved dynamic set response.
Hao Li, Haibing Guo, Nasser Yousefi
doaj +1 more source
Behavior of a unit proton exchange membrane fuel cell in a stack under fuel starvation
, 2011 Behavior of a unit proton exchange membrane fuel cell in a stack under fuel starvationDurability is an important issue in proton exchange membrane fuel cells (PEMFCs) currently. Fuel starvation could be one of the reasons for PEMFC degradation.
Hou, Ming +7 more
core +1 more source
Conformal Coating and Transfer of 2D Nanomaterials via Dynamic Interface Engineering
Advanced Materials Interfaces, EarlyView.This review discusses conformal coating and transfer of two‐dimensional (2D) nanomaterials with a focus on dynamic interface engineering. By actively regulating nanosheet transport and interfacial contact during film formation, recent dynamic coating strategies overcome the limitations of conventional passive approaches and enable geometry‐adaptive ...
Seungyeon Kim +4 more
wiley +1 more source
Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots
Advanced Robotics Research, EarlyView.Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley +1 more source
PLoS ONETo ensure the continuous high-efficiency operation of fuel cell systems, it is essential to perform real-time estimation of the maximum efficiency point and maximum power point for multi-stack fuel cell systems.
Mengjie Li +4 more
doaj +1 more source
Robotics in Ionizing Radiation Environments: Vulnerabilities, Hardening, and Future Directions
Advanced Robotics Research, EarlyView.Radiation exposure causes cumulative degradation in robotic sensors, actuators, and electronic logic, often leading to undetected failures. This study maps component vulnerabilities, evaluates hardening and shielding strategies, and identifies testing gaps that must be addressed to enable next‐generation radiation‐tolerant robotic systems.
Francis A. K. Djirackor +4 more
wiley +1 more source
Modeling and identification of a PEM fuel cell stack
, 2006 For the application of a model-based control of a fuel cell system a dynamic model of a PEM fuel cell stack is developed. Here, mass balances, thermal balances an electrical model and a membrane model are combined.
Schumacher, Jürgen +3 more
core +1 more source