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  1. Article ; Online: Phase Modulation of CrCl3 using Atomic-scale Cryogenic STEM.

    Chao, Hsin-Yun Joy / Chi, Miaofang

    Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

    2023  Volume 29, Issue Supplement_1, Page(s) 1693

    Language English
    Publishing date 2023-08-23
    Publishing country England
    Document type Journal Article
    ZDB-ID 1385710-1
    ISSN 1435-8115 ; 1431-9276
    ISSN (online) 1435-8115
    ISSN 1431-9276
    DOI 10.1093/micmic/ozad067.871
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: In Situ

    Chao, Hsin-Yun / Venkatraman, Kartik / Moniri, Saman / Jiang, Yongjun / Tang, Xuan / Dai, Sheng / Gao, Wenpei / Miao, Jianwei / Chi, Miaofang

    Chemical reviews

    2023  Volume 123, Issue 13, Page(s) 8347–8394

    Abstract: Catalysts are the primary facilitator in many dynamic processes. Therefore, a thorough understanding of these processes has vast implications for a myriad of energy systems. The scanning/transmission electron microscope (S/TEM) is a powerful tool not ... ...

    Abstract Catalysts are the primary facilitator in many dynamic processes. Therefore, a thorough understanding of these processes has vast implications for a myriad of energy systems. The scanning/transmission electron microscope (S/TEM) is a powerful tool not only for atomic-scale characterization but also
    Language English
    Publishing date 2023-06-16
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 207949-5
    ISSN 1520-6890 ; 0009-2665
    ISSN (online) 1520-6890
    ISSN 0009-2665
    DOI 10.1021/acs.chemrev.2c00880
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

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  3. Article ; Online: Molten salt electrochemical upcycling of CO2 to graphite for high performance battery anodes

    Thapaliya, Bishnu P. / Ivanov, Alexander S. / Chao, Hsin-Yun / Lamm, Meghan / Chi, M. / Meyer, Harry M. / Sun, Xiao-Guang / Aytug, Tolga / Dai, Sheng / Mahurin, Shannon M.

    Elsevier Ltd Carbon. 2023 Aug., v. 212 p.118151-

    2023  

    Abstract: The efficient transformation of CO₂ into a value-added material is a potential strategy to help mitigate climate effects caused by CO₂ emissions. One potential CO₂ conversion product is graphite which is an important and versatile material extensively ... ...

    Abstract The efficient transformation of CO₂ into a value-added material is a potential strategy to help mitigate climate effects caused by CO₂ emissions. One potential CO₂ conversion product is graphite which is an important and versatile material extensively used in many applications including as an anode for lithium-ion batteries (LIBs). Commercial graphite, however, is traditionally synthesized via the energy intensive Acheson process (>3000 °C) and the performance of such graphite can be limited under fast charging conditions which is important for vehicle electrification. Herein, we report the electrochemical transformation of CO₂ to highly crystalline nano-graphite with a controlled microstructure in a carbonate molten salt at 780 °C. The use of a nickel foam electrode and controlled electrochemical parameters during the molten salt conversion process yielded pure graphite at a lower temperature compared to the Acheson process. Moreover, when investigated as an anode material for LIBs, the CO₂-converted graphite exhibited high reversible capacity, long cycle life, and excellent rate capability even under fast charging conditions. This process provides a way to potentially reduce carbon emissions through the utilization of waste CO₂ by converting it into value-added graphite suitable for fast charging, high-energy-density batteries for vehicle electrification.
    Keywords anodes ; batteries ; carbon dioxide ; carbonates ; climate ; electrochemistry ; energy ; foams ; graphene ; microstructure ; nickel ; temperature ; value added ; Electrochemical conversion of CO2 ; Graphite ; Eutectic carbonate melts ; High-rate anode ; Lithium-ion batteries (LIBs)
    Language English
    Dates of publication 2023-08
    Size p. 118151
    Publishing place Elsevier Ltd
    Document type Article ; Online
    ISSN 0008-6223
    DOI 10.1016/j.carbon.2023.118151
    Database NAL-Catalogue (AGRICOLA)

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  4. Article ; Online: Low-Temperature Molten Salt Electrochemical CO

    Thapaliya, Bishnu P / Ivanov, Alexander S / Chao, Hsin-Yun / Lamm, Meghan / Meyer, Harry M / Chi, Miaofang / Sun, Xiao-Guang / Aytug, Tolga / Dai, Sheng / Mahurin, Shannon M

    ACS applied materials & interfaces

    2024  Volume 16, Issue 2, Page(s) 2251–2262

    Abstract: One strategy for addressing the climate crisis caused by ... ...

    Abstract One strategy for addressing the climate crisis caused by CO
    Language English
    Publishing date 2024-01-05
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.3c14858
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  5. Article ; Online: Phase-Controlled Synthesis of Ru Nanocrystals via Template-Directed Growth: Surface Energy versus Bulk Energy.

    Janssen, Annemieke / Lyu, Zhiheng / Figueras-Valls, Marc / Chao, Hsin-Yun / Shi, Yifeng / Pawlik, Veronica / Chi, Miaofang / Mavrikakis, Manos / Xia, Younan

    Nano letters

    2022  Volume 22, Issue 9, Page(s) 3591–3597

    Abstract: Despite the successful control of crystal phase using template-directed growth, much remains unknown about the underlying mechanisms. Here, we demonstrate that the crystal phase taken by the deposited metal depends on the lateral size of face-centered ... ...

    Abstract Despite the successful control of crystal phase using template-directed growth, much remains unknown about the underlying mechanisms. Here, we demonstrate that the crystal phase taken by the deposited metal depends on the lateral size of face-centered cubic (
    MeSH term(s) Nanoparticles ; Oxidation-Reduction ; Physical Phenomena
    Language English
    Publishing date 2022-04-19
    Publishing country United States
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't
    ISSN 1530-6992
    ISSN (online) 1530-6992
    DOI 10.1021/acs.nanolett.1c05009
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  6. Article ; Online: A structure and activity relationship for single-walled carbon nanotube growth confirmed by

    Chao, Hsin-Yun / Jiang, Hua / Ospina-Acevedo, Francisco / Balbuena, Perla B / Kauppinen, Esko I / Cumings, John / Sharma, Renu

    Nanoscale

    2020  Volume 12, Issue 42, Page(s) 21923–21931

    Abstract: The structure and phase transformation of a cobalt (Co) catalyst, during single walled carbon nanotube (SWCNT) growth, is elucidated for inactive, active and deactivated nanoparticles by in situ imaging using an environmental transmission electron ... ...

    Abstract The structure and phase transformation of a cobalt (Co) catalyst, during single walled carbon nanotube (SWCNT) growth, is elucidated for inactive, active and deactivated nanoparticles by in situ imaging using an environmental transmission electron microscope. During nanotube growth, the structure was analyzed using Miller indices to determine the types of planes that favor anchoring or liftoff of nanotubes from the Co catalyst. Density functional theory was further applied to model the catalyst interactions to compare the work of adhesion of the catalyst's faceted planes to understand the interactions of different Miller planes with the graphene structure. Through in-depth studies of multiple distinct Co nanoparticles, we established a dominant nanoparticle phase for SWCNT growth. In addition, we identified the preferred lattice planes and a threshold for work of adhesion to allow the anchoring and liftoff of SWCNTs.
    Language English
    Publishing date 2020-10-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 2515664-0
    ISSN 2040-3372 ; 2040-3364
    ISSN (online) 2040-3372
    ISSN 2040-3364
    DOI 10.1039/d0nr05916a
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Stretchable, multiplexed pH sensors with demonstrations on rabbit and human hearts undergoing ischemia.

    Chung, Hyun-Joong / Sulkin, Matthew S / Kim, Jong-Seon / Goudeseune, Camille / Chao, Hsin-Yun / Song, Joseph W / Yang, Sang Yoon / Hsu, Yung-Yu / Ghaffari, Roozbeh / Efimov, Igor R / Rogers, John A

    Advanced healthcare materials

    2013  Volume 3, Issue 1, Page(s) 59–68

    Abstract: Stable pH is an established biomarker of health, relevant to all tissues of the body, including the heart. Clinical monitoring of pH in a practical manner, with high spatiotemporal resolution, is particularly difficult in organs such as the heart due to ... ...

    Abstract Stable pH is an established biomarker of health, relevant to all tissues of the body, including the heart. Clinical monitoring of pH in a practical manner, with high spatiotemporal resolution, is particularly difficult in organs such as the heart due to its soft mechanics, curvilinear geometry, heterogeneous surfaces, and continuous, complex rhythmic motion. The results presented here illustrate that advanced strategies in materials assembly and electrochemical growth can yield interconnected arrays of miniaturized IrOx pH sensors encapsulated in thin, low-modulus elastomers to yield conformal monitoring systems capable of noninvasive measurements on the surface of the beating heart. A thirty channel custom data acquisition system enables spatiotemporal pH mapping with a single potentiostat. In vitro testing reveals super-Nernstian sensitivity with excellent uniformity (69.9 ± 2.2 mV/pH), linear response to temperature (-1.6 mV °C(-1) ), and minimal influence of extracellular ions (<3.5 mV). Device examples include sensor arrays on balloon catheters and on skin-like stretchable membranes. Real-time measurement of pH on the surfaces of explanted rabbit hearts and a donated human heart during protocols of ischemia-reperfusion illustrate some of the capabilities. Envisioned applications range from devices for biological research, to surgical tools and long-term implants.
    MeSH term(s) Animals ; Cardiac Catheterization ; Electronics ; Equipment Design ; Humans ; Hydrogen-Ion Concentration ; Ions/chemistry ; Ions/metabolism ; Ischemia/metabolism ; Ischemia/pathology ; Microelectrodes ; Myocardium/chemistry ; Myocardium/metabolism ; Prostheses and Implants ; Rabbits ; Reperfusion ; Temperature
    Chemical Substances Ions
    Language English
    Publishing date 2013-07-19
    Publishing country Germany
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2649576-4
    ISSN 2192-2659 ; 2192-2640
    ISSN (online) 2192-2659
    ISSN 2192-2640
    DOI 10.1002/adhm.201300124
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6966: Show issues Location:
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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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