Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Christina Johnston"'
Publikováno v:
The Rural Educator, Vol 25, Iss 3 (2018)
This article describes a successful alternative school located in northwest Wyoming. Students who attend this school need an atmosphere that is accepting of their differences and allow them to express themselves without fear of ridicule or punishment
Externí odkaz:
https://doaj.org/article/3003e69c53ac46a7b86cd1491dd5b256
Autor:
Young-Woon Byeon, Jonathan Mailoa, Mordechai Kornbluth, Gi-Hyeok Lee, Zijian Cai, Yingzhi Sun, Wanli Yang, Christina Johnston, Jake Christensen, Soo Kim, Lei Cheng, Haegyeom Kim
Publikováno v:
Journal of Materials Chemistry A. 10:23155-23164
Our combined computations and experiments suggest the Mg-Ti-O chemical spaces for novel ternary oxide compounds that can offer high conductivity and corrosion stability to be used in fuel cell applications.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8511608d89c06848b17a890279382f4a
https://doi.org/10.1039/d2ta04084k
https://doi.org/10.1039/d2ta04084k
Autor:
F. R. Pour Safaei, F. Beauchaud, Jake Christensen, Camille Usubelli, Sharon E. Bone, Marca M. Doeff, Münir M. Besli, Metzger Michael, Nikhil Ravi, Saravanan Kuppan, G. Schneider, Anantharaman Subbaraman, Christina Johnston
Publikováno v:
Chemistry of Materials. 33:6318-6328
Author(s): Besli, MM; Usubelli, C; Subbaraman, A; Pour Safaei, FR; Bone, S; Johnston, C; Schneider, G; Beauchaud, F; Ravi, N; Christensen, J; Doeff, MM; Metzger, M; Kuppan, S | Abstract: In this work, we investigate the transition-metal dissolution o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::948296c7f751f609a0a05d5cd70d13a5
https://doi.org/10.1021/acs.chemmater.1c00847
https://doi.org/10.1021/acs.chemmater.1c00847
Autor:
Cynthia F. Welch, Christina Johnston, Andrea Labouriau, Yu Seung Kim, Rex P. Hjelm, Bruce Orler
Publikováno v:
ACS macro letters. 1(12)
The morphology of Nafion (EW = 1000, Na+ form) in dilute solvents is investigated using small angle neutron scattering (SANS) and 19F NMR. SANS modeling indicates three types of particle morphology: (i) a well-defined cylindrical dispersion in glycer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef8502a39e304a7f345de66a07ea80a9
https://pubmed.ncbi.nlm.nih.gov/35607114
https://pubmed.ncbi.nlm.nih.gov/35607114
Autor:
Preetam Sharma, Bapi Bera, Douglas Aaron, Muenir Mustafa Besli, Saravanan Kuppan, Lei Cheng, Jonathan Braaten, Nathan Craig, Sarah Stewart, Michael Metzger, Christina Johnston, Matthew M. Mench
Publikováno v:
Journal of The Electrochemical Society. 169:114506
This work quantifies in-plane spatial heterogeneity (polymer electrolyte fuel cell cathode inlet vs outlet) in Pt particle size growth and distribution as a function of nitrogen (N2) flow rate during a square-wave accelerated stress test (AST). The a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73a18b4d811179637a5826f35bac4b1d
https://doi.org/10.1149/1945-7111/ac9ee5
https://doi.org/10.1149/1945-7111/ac9ee5
Autor:
Kaustubh Khedekar, Andrea Zaffora, Plamen Atanassov, Lei Cheng, Christina Johnston, Iryna V. Zenyuk
Publikováno v:
ECS Meeting Abstracts. :1567-1567
Worldwide, governments and industries are pursuing the use of clean hydrogen to achieve zero emissions, especially for difficult to decarbonize sectors such as heavy-duty transportation, aviation, shipping and chemical manufacturing. Polymer electrol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f52a5ddd8a52c2b89cc1ed7e78aea0d8
https://doi.org/10.1149/ma2022-02421567mtgabs
https://doi.org/10.1149/ma2022-02421567mtgabs
Autor:
Celine H. Chen, Andrea Zaffora, Kaustubh Khedekar, Yu Morimoto, Plamen Atanassov, Sarah Stewart, Lei Cheng, Christina Johnston, Iryna V. Zenyuk
Publikováno v:
ECS Meeting Abstracts. :1377-1377
As the need for more flexible utilization of renewable energy sources increases, the uses of clean hydrogen and fuel cells are pursued by governments worldwide due to high gravimetric energy density of hydrogen. Polymer electrolyte fuel cells (PEFCs)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7286aecfcfbc13a32ce9fe03dac22015
https://doi.org/10.1149/ma2022-02391377mtgabs
https://doi.org/10.1149/ma2022-02391377mtgabs
Autor:
Young-Woon Byeon, Jonathan Mailoa, Mordechai Kornbluth, Gi-Hyeok Lee, Zijian Cai, Yingzhi Sun, Wanli Yang, Christina Johnston, Jake Christensen, Soo Kim, Lei Cheng, Haegyum Kim
Publikováno v:
ECS Meeting Abstracts. :1485-1485
Searching for a material that simultaneously satisfies highly conductive and corrosion-stable properties is crucial for various energy conversion applications, particularly for catalyst-supporting materials in polymer electrolyte membrane fuel cells
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::934134adcaad4e1edb92f1c825ea5c0f
https://doi.org/10.1149/ma2022-02401485mtgabs
https://doi.org/10.1149/ma2022-02401485mtgabs
Autor:
Preetam Sharma, Douglas Aaron, Lei Cheng, Jonathan Braaten, Nathan Craig, Christina Johnston, Matthew M Mench
Publikováno v:
ECS Meeting Abstracts. :1571-1571
Pt electrocatalyst durability in polymer electrolyte fuel cells (PEFCs) is generally evaluated through an accelerated stress test (AST); for example, one AST features repeated square-wave cycling with H2/N2 between 0.6 V to 0.95 V vs. reversible hydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a6a44b6f447bcd4f829752a7543a178
https://doi.org/10.1149/ma2022-02421571mtgabs
https://doi.org/10.1149/ma2022-02421571mtgabs
Autor:
Matthew Coats, Samantha Medina, Jonathan Braaton, Lei Cheng, Nathan Craig, Christina Johnston, Svitlana Pylypenko
Publikováno v:
ECS Meeting Abstracts. :1434-1434
Proton exchange membrane fuel cells (PEMFCs) are a central technology for the electrification of the heavy-duty automotive fleet, ultimately enabling reduced carbon emissions. However, improvements in lifetime and cost are necessary before mass adopt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df6a162218e3e9bda1536179d13ec2e8
https://doi.org/10.1149/ma2022-02391434mtgabs
https://doi.org/10.1149/ma2022-02391434mtgabs