Results 81 to 90 of about 198,565 (207)

Next Steps for Hydrogen - physics, technology and the future [PDF]

, 2016
Hydrogen has been proposed as a future energy carrier for more than 40 years. In recent decades, impetus has been given by the need to reduce global greenhouse gas emissions from vehicles.
Glowacki, Bartek, Krishnamurthy, Satheesh, Nuttall, William   +2 more
core  

A multi-objective optimisation model for a general polymer electrolyte membrane fuel cell system [PDF]

, 2010
This paper presents an optimisation model for a general polymer electrolyte membrane (PEM) fuel cell system Suitable for efficiency and size trade-offs investigation.
Ang, SMC, Brett, DJL, Fraga, ES
core  

Analysis of liquid hydrogen power systems for near space unmanned aerial vehicles

Hangkong gongcheng jinzhan
For near space unmanned aerial vehicles(NSUAVs), efficient power type is the key to support their long flights. It is considered that the "airborne liquid hydrogen storage + hydrogen fuel cell" scheme is in line with the trend of NSUAVs' greater ...
GAO Yanfeng, SONG Qi, XIE Gaofeng, WANG Xueke, WANG Mingfu   +4 more
doaj   +1 more source

Space Electrochemical Research and Technology Conference: Abstracts [PDF]

The objectives of the conference were to examine current technologies, research efforts, and advanced ideas, and to identify technical barriers which affect the advancement of electrochemical energy storage systems for space applications.

core   +1 more source

OPTIMIZING FUEL CELL MEMBRANE EFFICIENCY THROUGH COMPARATIVE THERMAL ANALYSIS OF HYDROGEN FUEL VARIANTS

Sukkur IBA Journal of Emerging Technologies
This study investigates the thermal behavior of polymer electrolyte membrane (PEM) fuel cells using hydrogen and hydrogen methanol fuels. An extensive 3D model was constructed for the simulation of the temperature, current density, and thermal efficiency
Jawad Ahmed, Imdad Ali, Sudheer Hussain, Abdul Latif, Qadir Baksh, Waqar Ahmed, Muhammad Ahmed   +6 more
doaj   +1 more source

Development of advanced fuel cell system, phase 2 [PDF]

A multiple task research and development program was performed to improve the weight, life, and performance characteristics of hydrogen-oxygen alkaline fuel cells for advanced power systems.
Bell, W. F., Handley, L. M., Meyer, A. P.   +2 more
core   +1 more source

Multi‐Physics Pinhole Size Tolerance Analysis on the Leakage Characteristics and Performance of Proton Exchange Membrane Fuel Cells

Energy Science & Engineering
This study delves into exploring how pinhole size affects both the electrochemical efficiency and hydrogen leakage within proton exchange membrane fuel cells (PEMFCs).
Junyi Chen, Yuxuan Luo, Lan Zhang, Trevor Hocksun Kwan, Qinghe Yao   +4 more
doaj   +1 more source

Development of cathodic electrocatalysts for use in low temperature H2/O2 fuel cells with an alkaline electrolyte Second quarterly report, Oct. 1 - Dec. 31, 1965 [PDF]

Cathodic electrocatalysts for use in low temperature hydrogen-oxygen fuel cells with an alkaline electrolyte-corrosion resistance and activity testing of materials and ...
Giner, J., Jasinski, R. J., Makrides, A. C.   +2 more
core   +1 more source

Clean Hydrogen and Fuel Cell Vehicles

Highlights in Science, Engineering and Technology
In this paper, a comprehensive synthesis of salient points from pertinent literature in the field is presented, accompanied by an analytical review of extant experimental data. The mechanisms underlying the utilization of green hydrogen in fuel cell vehicles are meticulously dissected from the perspectives of hydrogen production, storage, and ...
openaire   +1 more source

Transient Kinetic QXAFS Approach for Understanding the RDE–MEA Gap in Fuel Cell (Oxygen Reduction Reaction) Performances of Pt-Based Electrocatalysts

ACS Omega
Takefumi Yoshida, Shinobu Takao, Hiroko Ariga-Miwa, Xiao Zhao, Gabor Samjeské, Takuma Kaneko, Tomoya Uruga, Yasuhiro Iwasawa   +7 more
doaj   +1 more source