Search Results - "Lee, Yoo Il"
-
1
Experimental dissection of oxygen transport resistance in the components of a polymer electrolyte membrane fuel cell
Published in Journal of power sources (31-03-2017)“…Oxygen transport resistance is a major obstacle for obtaining high performance in a polymer electrolyte membrane fuel cell (PEMFC). To distinguish the major…”
Get full text
Journal Article -
2
Effect of the pore size variation in the substrate of the gas diffusion layer on water management and fuel cell performance
Published in Applied energy (01-06-2016)“…•Water management capability is varied according to the GDL structure.•Pore size variation in the substrate affects the density of MPL and MPL penetration.•GDL…”
Get full text
Journal Article -
3
Effect of gradient anode flow field designs on polymer electrolyte membrane fuel cells
Published in International journal of hydrogen energy (02-01-2024)“…This study investigates non-uniform anode flow fields in polymer electrolyte membrane fuel cells, exploring ascending and descending gradient configurations in…”
Get full text
Journal Article -
4
A review of the gas diffusion layer in proton exchange membrane fuel cells: Durability and degradation
Published in Applied energy (01-10-2015)“…•This paper focuses on the evaluation of the durability characteristics of GDL.•GDL degradation can be categorized into mechanical and chemical…”
Get full text
Journal Article -
5
Electrochemical performance and water management investigation of polymer electrolyte membrane fuel cell (PEMFC) using gas diffusion layer with polytetrafluoroethylene (PTFE) content gradients in through-plane direction
Published in Electrochimica acta (20-07-2022)“…•Four GDLs with different through-plane PTFE variations are prepared.•Favorable GDL in each condition is chosen based on the experiment results.•The liquid…”
Get full text
Journal Article -
6
Battery thermal management strategy utilizing a secondary heat pump in electric vehicle under cold-start conditions
Published in Energy (Oxford) (15-04-2023)“…When an energy storage system (ESS) operates in cold conditions, the power and capacity of the battery critically fade. Therefore, an appropriate battery…”
Get full text
Journal Article -
7
Experimental study of homogeneity improvement and degradation mitigation in PEMFCs using improved reaction area utilization
Published in International journal of hydrogen energy (30-12-2023)“…The durability and degradation issues of Polymer Electrolyte Membrane Fuel Cells (PEMFCs) utilized in high-humidity environments and small stack sizes are…”
Get full text
Journal Article -
8
In-plane design strategy of gas diffusion layer and optimization to improve performance and current distribution uniformity in polymer electrolyte membrane fuel cell
Published in Renewable energy (01-10-2023)“…In a polymer electrolyte membrane fuel cell (PEMFC), non-uniform current distribution occurs due to reactant and product concentration changes along the flow…”
Get full text
Journal Article -
9
Mechanical balance of plant design of lithium-air batteries for electric vehicles
Published in Journal of energy storage (15-10-2023)“…Lithium-air batteries are regarded as promising next-generation batteries for their exceptionally high theoretical energy density. However, the mechanical…”
Get full text
Journal Article -
10