Zobrazeno 1 - 10 of 19 pro vyhledávání: '"Robert Usiskin"'
1
Fundamentals, status and promise of sodium-based batteries
Autor: Jelena Popovic, Robert Usiskin, Palani Balaya, Yong-Sheng Hu, Joachim Maier, Markas Law, Yaxiang Lu
Publikováno v: Nature Reviews Materials. 6:1020-1035
Na-based batteries have shown substantial progress in recent years and are promising candidates for mitigating the supply risks associated with Li-based batteries. In this Review, Na and Li batteries are compared in terms of fundamental principles an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e0cd2d91b5e12c7a2615af1b4aa2208
https://doi.org/10.1038/s41578-021-00324-w
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2
Enhanced ion transport in Li2O and Li2S films
Autor: Kai Narita, Joachim Maier, Robert Usiskin, Simon Lorger
Publikováno v: Chemical Communications. 57:6503-6506
Films of Li2O and Li2S grown by sputter deposition exhibit Li+ conductivity values at room temperature which are enhanced by 3–4 orders of magnitude relative to bulk samples. Possible mechanisms are discussed. The results may help explain the ion t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c751c93a2b75eec46985cfbdb4fbfe43
https://doi.org/10.1039/d1cc00557j
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3
Impact of hydration on ion transport in Li2Sn2S5·xH2O
Autor: Igor L. Moudrakovski, Bettina V. Lotsch, Robert Usiskin, Markus Joos, Joachim Maier, Christian Schneider, Andreas Münchinger
Publikováno v: Journal of Materials Chemistry A. 9:16532-16544
This work investigates the structure and transport properties of the layered material Li2Sn2S5·xH2O. The anhydrous phase shows a room-temperature Li+ diffusivity below 10−9 cm2 s−1 and conductivity below 10−5 S cm−1. Upon exposure to humidit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64646eb02f0c5d85332564e6b3b2c6ff
https://doi.org/10.1039/d1ta04736a
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6
Guidelines for optimizing the architecture of battery insertion electrodes based on the concept of wiring lengths
Autor: Robert Usiskin, Joachim Maier
Publikováno v: Physical Chemistry Chemical Physics. 20:16449-16462
The kinetics of storing mass in a battery electrode are typically limited by slow diffusion in storage particles. The diffusion timescale can be made faster by decreasing the size of the particles, but then it becomes more difficult to efficiently co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18a5f85931f10fb05f9b5397560e1afe
https://doi.org/10.1039/c8cp01946k
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7
Ion transport in nanocrystalline CaF2 films
Autor: Robert Usiskin, Marion Kelsch, Wilfried Sigle, Peter A. van Aken, Joachim Maier
Publikováno v: Journal of Applied Physics
This work investigates the conductivity and structure of nanocrystalline CaF2 films grown at 200 °C by thermal evaporation. The in-plane conductivity is enhanced by several orders of magnitude compared to lightly doped bulk samples of CaF2, which in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49acb4c2690d950df33cf13384410a68
https://doi.org/10.1063/5.0060113
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9
Bulk Properties of the Oxygen Reduction Catalyst SrCo0.9Nb0.1O3−δ
Autor: Richard Y. Wang, Timothy C. Davenport, Webster Guan, Robert Usiskin, Sossina M. Haile
Publikováno v: Chemistry of Materials. 28:2599-2608
The perovskite SrCo0.9Nb0.1O3−δ (SCN) has excellent electrochemical activity toward oxygen reduction, and it is also valuable as a possible model material for other state-of-the-art perovskite catalysts based on strontium and cobalt, such as Ba0.5
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8ee3795e2133495f4aef36f7d916141
https://doi.org/10.1021/acs.chemmater.5b04783
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