Ja-Yeon Choi
Ja-Yeon Choi
Research Scientist, Ballard Power Systems
Verified email at uwaterloo.ca
Title
Cited by
Cited by
Year
Graphene-based flexible supercapacitors: pulse-electropolymerization of polypyrrole on free-standing graphene films
A Davies, P Audette, B Farrow, F Hassan, Z Chen, JY Choi, A Yu
The Journal of Physical Chemistry C 115 (35), 17612-17620, 2011
2652011
Advanced extremely durable 3D bifunctional air electrodes for rechargeable zinc‐air batteries
DU Lee, JY Choi, K Feng, HW Park, Z Chen
Advanced Energy Materials 4 (6), 1301389, 2014
2572014
Development and simulation of sulfur‐doped graphene supported platinum with exemplary stability and activity towards oxygen reduction
D Higgins, MA Hoque, MH Seo, R Wang, F Hassan, JY Choi, M Pritzker, ...
Advanced Functional Materials 24 (27), 4325-4336, 2014
1862014
Highly active porous carbon-supported nonprecious metal− N electrocatalyst for oxygen reduction reaction in PEM fuel cells
JY Choi, RS Hsu, Z Chen
The Journal of Physical Chemistry C 114 (17), 8048-8053, 2010
1542010
Oxygen reduction on graphene–carbon nanotube composites doped sequentially with nitrogen and sulfur
DC Higgins, MA Hoque, F Hassan, JY Choi, B Kim, Z Chen
Acs Catalysis 4 (8), 2734-2740, 2014
1522014
In situ polymer graphenization ingrained with nanoporosity in a nitrogenous electrocatalyst boosting the performance of polymer‐electrolyte‐membrane fuel cells
X Fu, P Zamani, JY Choi, FM Hassan, G Jiang, DC Higgins, Y Zhang, ...
Advanced Materials 29 (7), 1604456, 2017
1332017
Co–N decorated hierarchically porous graphene aerogel for efficient oxygen reduction reaction in acid
X Fu, JY Choi, P Zamani, G Jiang, MA Hoque, FM Hassan, Z Chen
ACS applied materials & interfaces 8 (10), 6488-6495, 2016
1322016
Determination of iron active sites in pyrolyzed iron-based catalysts for the oxygen reduction reaction
W Li, J Wu, DC Higgins, JY Choi, Z Chen
Acs Catalysis 2 (12), 2761-2768, 2012
1322012
Multigrain Platinum Nanowires Consisting of Oriented Nanoparticles Anchored on Sulfur‐Doped Graphene as a Highly Active and Durable Oxygen Reduction Electrocatalyst
MA Hoque, FM Hassan, D Higgins, JY Choi, M Pritzker, S Knights, S Ye, ...
Advanced Materials 27 (7), 1229-1234, 2015
1152015
Is the rapid initial performance loss of Fe/N/C non precious metal catalysts due to micropore flooding?
JY Choi, L Yang, T Kishimoto, X Fu, S Ye, Z Chen, D Banham
Energy & Environmental Science 10 (1), 296-305, 2017
922017
Shape-controlled octahedral cobalt disulfide nanoparticles supported on nitrogen and sulfur-doped graphene/carbon nanotube composites for oxygen reduction in acidic electrolyte
DC Higgins, FM Hassan, MH Seo, JY Choi, MA Hoque, DU Lee, Z Chen
Journal of Materials Chemistry A 3 (12), 6340-6350, 2015
922015
Highly durable and active non-precious air cathode catalyst for zinc air battery
Z Chen, JY Choi, H Wang, H Li, Z Chen
Journal of Power Sources 196 (7), 3673-3677, 2011
902011
Titanium nitride–carbon nanotube core–shell composites as effective electrocatalyst supports for low temperature fuel cells
DC Higgins, JY Choi, J Wu, A Lopez, Z Chen
Journal of Materials Chemistry 22 (9), 3727-3732, 2012
862012
Highly durable graphene nanosheet supported iron catalyst for oxygen reduction reaction in PEM fuel cells
JY Choi, D Higgins, Z Chen
Journal of the Electrochemical Society 159 (1), B86, 2011
772011
Morphologically controlled Co3O4 nanodisks as practical bi-functional catalyst for rechargeable zinc–air battery applications
DU Lee, J Scott, HW Park, S Abureden, JY Choi, Z Chen
Electrochemistry communications 43, 109-112, 2014
682014
Integrating PGM‐free catalysts into catalyst layers and proton exchange membrane fuel cell devices
D Banham, JY Choi, T Kishimoto, S Ye
Advanced Materials 31 (31), 1804846, 2019
602019
Highly active and porous graphene encapsulating carbon nanotubes as a non-precious oxygen reduction electrocatalyst for hydrogen-air fuel cells
P Zamani, DC Higgins, FM Hassan, X Fu, JY Choi, MA Hoque, G Jiang, ...
Nano Energy 26, 267-275, 2016
522016
Optimization of sulfur-doped graphene as an emerging platinum nanowires support for oxygen reduction reaction
MA Hoque, FM Hassan, MH Seo, JY Choi, M Pritzker, S Knights, S Ye, ...
Nano Energy 19, 27-38, 2016
472016
Tin oxide-mesoporous carbon composites as platinum catalyst supports for ethanol oxidation and oxygen reduction
MA Hoque, DC Higgins, FM Hassan, JY Choi, MD Pritzker, Z Chen
Electrochimica Acta 121, 421-427, 2014
292014
Web-like 3D architecture of Pt nanowires and sulfur-doped carbon nanotube with superior electrocatalytic performance
MA Hoque, FM Hassan, AM Jauhar, G Jiang, M Pritzker, JY Choi, ...
ACS Sustainable Chemistry & Engineering 6 (1), 93-98, 2018
262018
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Articles 1–20