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  1. Article: Lithium-Ion Battery Power Performance Assessment for the Climb Step of an Electric Vertical Takeoff and Landing (eVTOL) Application.

    Dixit, Marm / Bisht, Anuj / Essehli, Rachid / Amin, Ruhul / Kweon, Chol-Bum M / Belharouak, Ilias

    ACS energy letters

    2024  Volume 9, Issue 3, Page(s) 934–940

    Abstract: High power is a critical requirement of lithium-ion batteries designed to satisfy the load profiles of advanced air mobility. Here, we simulate the initial takeoff step of electric vertical takeoff and landing (eVTOL) vehicles powered by a lithium-ion ... ...

    Abstract High power is a critical requirement of lithium-ion batteries designed to satisfy the load profiles of advanced air mobility. Here, we simulate the initial takeoff step of electric vertical takeoff and landing (eVTOL) vehicles powered by a lithium-ion battery that is subjected to an intense 15
    Language English
    Publishing date 2024-02-12
    Publishing country United States
    Document type Journal Article
    ISSN 2380-8195
    ISSN 2380-8195
    DOI 10.1021/acsenergylett.3c02385
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Fabrication of copper–diamond composite by friction stir processing

    Huda, Nazmul / Bisht, Anuj / Moreau, Eric / Corbin, Stephen / Rabkin, Eugen / Gerlich, Adrian P.

    J Mater Sci. 2023 Mar., v. 58, no. 9, p. 4184-4198

    2023  , Page(s) 4184–4198

    Abstract: The friction stir process has been used for the first time to fabricate copper–diamond composite. The initial diamond particles were fragmented and embedded into Cu alloy due to the pressures applied during the friction stir process. A drastic refinement ...

    Abstract The friction stir process has been used for the first time to fabricate copper–diamond composite. The initial diamond particles were fragmented and embedded into Cu alloy due to the pressures applied during the friction stir process. A drastic refinement of the diamond particles was observed due to attrition during processing. Chromium (Cr) particles in the base Cu alloy have also been refined during friction stir process which appears to further promote grain refinement in Cu. The Cu–diamond interface appears to have good adhesion, except at chipped corners of some particles. The Cr particles decorate the Cu–diamond interface indicating a strong affinity of Cr to the diamond surface. Also, the adhesion of Cr particles is better on the surface of smaller fragmented diamond particles. The thermal conductivity of the composite is lower than friction stir-processed copper and as-received copper alloy due to significant grain refinement and the presence of Cu–diamond interfaces. However, the fabricated composite may find potential uses in commercial applications due to the unique combination of increased hardness and high thermal conductivity.
    Keywords adhesion ; alloys ; chromium ; copper ; friction ; hardness ; thermal conductivity
    Language English
    Dates of publication 2023-03
    Size p. 4184-4198
    Publishing place Springer US
    Document type Article ; Online
    ZDB-ID 2015305-3
    ISSN 1573-4803 ; 0022-2461
    ISSN (online) 1573-4803
    ISSN 0022-2461
    DOI 10.1007/s10853-023-08279-9
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Pt⁴⁺ as an Active Site for Oxygen Evolution Reaction in La₁–ₓSrₓCo₁–yPtyO₃

    Bisht, Anuj / Yadav, Pradeep Kumar / Dhakar, Shikha / Sharma, Sudhanshu

    Journal of physical chemistry. 2021 Nov. 10, v. 125, no. 46

    2021  

    Abstract: This study presents an investigation on the role of Pt⁴⁺ in Pt-doped La₁–ₓSrₓCoO₃ (LSPtCO) perovskite for oxygen evolution reaction (OER) activity. LSPtCO with Pt in the +4 oxidation state shows the highest activity for OER in comparison to undoped La₁– ... ...

    Abstract This study presents an investigation on the role of Pt⁴⁺ in Pt-doped La₁–ₓSrₓCoO₃ (LSPtCO) perovskite for oxygen evolution reaction (OER) activity. LSPtCO with Pt in the +4 oxidation state shows the highest activity for OER in comparison to undoped La₁–ₓSrₓCoO₃ (LSCO) and Pt metal-supported LSCO (Pt is in the zero oxidation state). These results indicate that a high oxidation state of Pt is favorable for the OER activity. Pt⁴⁺ is also shown as the active center for the OER reaction as its reductive treatment decreases the OER activity significantly. Thus, the formation of high-valent Pt is a key factor in fabricating an active OER catalyst. While Pt metal may not be a good catalyst for OER, Pt⁴⁺ is significantly superior, especially in LSCO.
    Keywords active sites ; catalysts ; oxidation ; oxygen production
    Language English
    Dates of publication 2021-1110
    Size p. 25488-25496.
    Publishing place American Chemical Society
    Document type Article
    ISSN 1932-7455
    DOI 10.1021/acs.jpcc.1c06426
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  4. Article ; Online: The impact of alloying on defect-free nanoparticles exhibiting softer but tougher behavior.

    Bisht, Anuj / Koju, Raj Kiran / Qi, Yuanshen / Hickman, James / Mishin, Yuri / Rabkin, Eugen

    Nature communications

    2021  Volume 12, Issue 1, Page(s) 2515

    Abstract: The classic paradigm of physical metallurgy is that the addition of alloying elements to metals increases their strength. It is less known if the solution-hardening can occur in nano-scale objects, and it is totally unknown how alloying can impact the ... ...

    Abstract The classic paradigm of physical metallurgy is that the addition of alloying elements to metals increases their strength. It is less known if the solution-hardening can occur in nano-scale objects, and it is totally unknown how alloying can impact the strength of defect-free faceted nanoparticles. Purely metallic defect-free nanoparticles exhibit an ultra-high strength approaching the theoretical limit. Tested in compression, they deform elastically until the nucleation of the first dislocation, after which they collapse into a pancake shape. Here, we show by experiments and atomistic simulations that the alloying of Ni nanoparticles with Co reduces their ultimate strength. This counter-intuitive solution-softening effect is explained by solute-induced local spatial variations of the resolved shear stress, causing premature dislocation nucleation. The subsequent particle deformation requires more work, making it tougher. The emerging compromise between strength and toughness makes alloy nanoparticles promising candidates for applications.
    Language English
    Publishing date 2021-05-04
    Publishing country England
    Document type Journal Article
    ZDB-ID 2553671-0
    ISSN 2041-1723 ; 2041-1723
    ISSN (online) 2041-1723
    ISSN 2041-1723
    DOI 10.1038/s41467-021-22707-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Modelling strain localization in Ti-6Al-4V at high loading rate: a phenomenological approach.

    Zhou, Rongxin / Pang, Ka Ho / Bisht, Anuj / Roy, Anish / Suwas, Satyam / Silberschmidt, Vadim V

    Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

    2019  Volume 378, Issue 2162, Page(s) 20190105

    Abstract: A phenomenological approach, based on a combination of a damage mechanism and a crystal plasticity model, is proposed to model a process of strain localization in Ti-6AI-4V at a high strain rate of ... ...

    Abstract A phenomenological approach, based on a combination of a damage mechanism and a crystal plasticity model, is proposed to model a process of strain localization in Ti-6AI-4V at a high strain rate of 10
    Language English
    Publishing date 2019-11-25
    Publishing country England
    Document type Journal Article
    ZDB-ID 208381-4
    ISSN 1471-2962 ; 0080-4614 ; 0264-3820 ; 0264-3952 ; 1364-503X
    ISSN (online) 1471-2962
    ISSN 0080-4614 ; 0264-3820 ; 0264-3952 ; 1364-503X
    DOI 10.1098/rsta.2019.0105
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Thermoelectric properties of Co

    Ghosh, Sanyukta / Bisht, Anuj / Karati, Anirudha / Rogl, Gerda / Rogl, Peter / Murty, B S / Suwas, Satyam / Mallik, Ramesh Chandra

    Journal of physics. Condensed matter : an Institute of Physics journal

    2018  Volume 30, Issue 9, Page(s) 95701

    Abstract: The figure of merit (zT) of a thermoelectric material can be enhanced by incorporation of nanoinclusions into bulk material. The presence of bismuth telluride ( ... ...

    Abstract The figure of merit (zT) of a thermoelectric material can be enhanced by incorporation of nanoinclusions into bulk material. The presence of bismuth telluride (Bi
    Language English
    Publishing date 2018-03-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472968-4
    ISSN 1361-648X ; 0953-8984
    ISSN (online) 1361-648X
    ISSN 0953-8984
    DOI 10.1088/1361-648X/aaa5ea
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