Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Jacob R. Bowen"'
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-11 (2023)
Understanding the plating and stripping behaviours of lithium metal is crucial for high-energy battery development. Here, authors track these electrochemical processes in real time by an operando synchrotron X-ray tomographic microscopy, revealing th
Externí odkaz:
https://doaj.org/article/568f12e9246041b09ddbf2ff142b4a52
Autor:
Christophe Gadea, Tarek Spelta, Søren Bredmose Simonsen, Vincenzo Esposito, Jacob R. Bowen, Astri Bjørnetun Haugen
Publikováno v:
Open Ceramics, Vol 6, Iss , Pp 100110- (2021)
Ink formulation is one of the main challenges with ceramic 3D printing. Here, we present a new, reactive-colloidal hybrid ink for 3D printing by robocasting of BaTiO3-based ceramics. The hybrid ink combines a titanium isopropoxide-based sol-gel base
Externí odkaz:
https://doaj.org/article/8e3c546a247648ac8cf62bc813291189
Autor:
Shenglan Yang, Jianbao Gao, Martina Trini, Salvatore De Angelis, Peter Stanley Jørgensen, Jacob R. Bowen, Lijun Zhang, Ming Chen
Publikováno v:
Yang, S, Gao, J, Trini, M, De Angelis, S, Jørgensen, P S, Bowen, J R, Zhang, L & Chen, M 2023, ' Ni coarsening in Ni-yttria stabilized zirconia electrodes : Three-dimensional quantitative phase-field simulations supported by ex-situ ptychographic nano-tomography ', Acta Materialia, vol. 246, 118708 . https://doi.org/10.1016/j.actamat.2023.118708
In-depth understanding of nickel (Ni) coarsening is helpful for improving the service life of Ni-yttria stabilized zirconia (YSZ) electrodes in solid oxide cells. Unfortunately, very few quantitative experimental/theoretical descriptions of Ni coarse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e304571f873e384e86a93cb3c19de8c
https://orbit.dtu.dk/en/publications/43b865d4-3dbb-4f12-a102-bf12e867ba28
https://orbit.dtu.dk/en/publications/43b865d4-3dbb-4f12-a102-bf12e867ba28
Publikováno v:
ECS Meeting Abstracts. :2149-2149
Sulfur conversion chemistry boasts a high theoretical specific capacity of 1672 mAh/gs and promises to deliver a high-energy density battery when combined with a lithium metal anode (3862 mAh/gLi). The use of such chemistries has the additional benef
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbe55f353ba7dfc210d67dde0bf70700
https://doi.org/10.1149/ma2022-02562149mtgabs
https://doi.org/10.1149/ma2022-02562149mtgabs
Publikováno v:
Sievers, G W, Bowen, J R, Brüser, V & Arenz, M 2019, ' Support-free nanostructured Pt Cu electrocatalyst for the oxygen reduction reaction prepared by alternating magnetron sputtering ', Journal of Power Sources, vol. 413, pp. 432-440 . https://doi.org/10.1016/j.jpowsour.2018.12.044
Nanostructuring of electrocatalysts is an important aspect of catalyst design as catalytic performance depends not only on the specific activity (reaction rate per surface area), but also on the dispersion of the catalyst. We present an industrially
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6c11504a475998770c6565ddd27f21c
https://doi.org/10.1016/j.jpowsour.2018.12.044
https://doi.org/10.1016/j.jpowsour.2018.12.044
Autor:
Peter Stanley Jørgensen, Anders Clemen Jakobsen, Jacob R. Bowen, Carsten Detlefs, Phil Cook, Hugh Simons, J. X. Sierra, Henning Friis Poulsen
Publikováno v:
Sierra, J X, Poulsen, H F, Jørgensen, P S, Detlefs, C, Cook, P, Simons, H, Jakobsen, A C & Bowen, J R 2019, ' In-operando observation of microstructural evolution in a solid oxide cell electrolyte operating at high polarization ', Journal of Power Sources, vol. 413, pp. 351-359 . https://doi.org/10.1016/j.jpowsour.2018.12.057
In the present work a symmetric scandia yttria stabilized zirconia electrolyte based solid oxide cell is investigated in-operando by synchrotron X-ray diffraction as a function of time and position within the electrolyte while annealing at 700 °C in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::528964a3a2c43812f4af51a53a3fd81c
https://doi.org/10.1016/j.jpowsour.2018.12.057
https://doi.org/10.1016/j.jpowsour.2018.12.057
Autor:
Simone Sanna, Didier Blanchard, Jacob R. Bowen, Rune E. Johnsen, Matthew Sadd, Sofie Colding-Jørgensen, Elena Borisova, Salvatore De Angelis, Aleksandar Matic
Publikováno v:
Sadd, M, De Angelis, S, Colding-Jørgensen, S, Blanchard, D, Johnsen, R E, Sanna, S, Borisova, E, Matic, A & Bowen, J R 2022, ' Visualization of Dissolution-Precipitation Processes in Lithium–Sulfur Batteries ', Advanced Energy Materials, vol. 12, no. 10, 2103126 . https://doi.org/10.1002/aenm.202103126
In this work, light is shed on the dissolution and precipitation processes S8 and Li2S, and their role in the utilization of active material in Li—S batteries. Combining operando X-ray Tomographic Microscopy and optical image analysis, in real-time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53787d86aed476b6fa0999cb14ab5925
https://doi.org/10.1002/aenm.202103126
https://doi.org/10.1002/aenm.202103126
Autor:
Tarek Spelta, Søren Bredmose Simonsen, Astri Bjørnetun Haugen, Jacob R. Bowen, Vincenzo Esposito, Christophe Gadea
Publikováno v:
Gadea, C, Spelta, T, Simonsen, S B, Esposito, V, Bowen, J R & Bjørnetun Haugen, A 2021, ' Hybrid inks for 3D printing of tall BaTiO3-based ceramics ', Open Ceramics, vol. 6, 100110 . https://doi.org/10.1016/j.oceram.2021.100110
Open Ceramics, Vol 6, Iss, Pp 100110-(2021)
Open Ceramics, Vol 6, Iss, Pp 100110-(2021)
Ink formulation is one of the main challenges with ceramic 3D printing. Here, we present a new, reactive-colloidal hybrid ink for 3D printing by robocasting of BaTiO3-based ceramics. The hybrid ink combines a titanium isopropoxide-based sol-gel base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afaead29355178f30aa302af4c1d500a
https://doi.org/10.1016/j.oceram.2021.100110
https://doi.org/10.1016/j.oceram.2021.100110
Publikováno v:
Phatharapeetranun, N, Ksapabutr, B, Marani, D, Bowen, J R & Esposito, V 2017, ' 3D printed barium titanate/poly-(vinylidene fluoride) nano-hybrid with anisotropic dielectric properties ', Journal of Materials Chemistry C, vol. 5, no. 47, pp. 12430-12440 . https://doi.org/10.1039/c7tc03697c
Electrospun BaTiO3 nanofibers (BTNFs) are synthesized and blended in a poly(vinylidene fluoride) (PVDF) matrix to obtain a flexible nano-hybrid composite with high dielectric constant (flexible high-k). The blending is performed with different BTNF c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5fc41419d591b5e080169ec8f46c849
https://doi.org/10.1039/c7tc03697c
https://doi.org/10.1039/c7tc03697c
Autor:
Mirko Holler, Esther H. R. Tsai, Salvatore De Angelis, Jacob R. Bowen, Giovanni Fevola, Peter Stanley Jørgensen
Publikováno v:
De Angelis, S, Jørgensen, P S, Tsai, E H R, Holler, M, Fevola, G & Bowen, J R 2020, ' Tracking nickel oxide reduction in solid oxide cells via ex-situ ptychographic nano-tomography ', Materials Characterization, vol. 162, 110183 . https://doi.org/10.1016/j.matchar.2020.110183
In solid oxide cell (SOC) electrodes, nickel oxide reduction is a fundamental step occurring during the initial stages of cell operation. The reduction procedure is considered to be crucial in producing the final fuel electrode microstructure. This w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6a5980d8c32aefe22ec89a5d3832dda
https://doi.org/10.1016/j.matchar.2020.110183
https://doi.org/10.1016/j.matchar.2020.110183