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Na-ion mobility in P2-type Na0.5MgxNi0.17-xMn0.83O2 (0 <= x <= 0.07) from electrochemical and muon spin relaxation studies
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- Ma, Le Anh, 1992- (författare)
- Uppsala universitet,Strukturkemi
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- Palm, Rasmus (författare)
- KTH,Material- och nanofysik
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- Nocerino, Elisabetta (författare)
- KTH,Material- och nanofysik
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- Forslund, Ola Kenji (författare)
- KTH,Material- och nanofysik
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- Matsubara, Nami (författare)
- KTH,Material- och nanofysik
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- Cottrell, Stephen (författare)
- STFC Rutherford Appleton Lab, ISIS Pulsed Neutron & Muon Facil, Didcot OX11 0QX, Oxon, England.
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- Yokoyama, Koji (författare)
- STFC Rutherford Appleton Lab, ISIS Pulsed Neutron & Muon Facil, Didcot OX11 0QX, Oxon, England.
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- Koda, Akihiro (författare)
- High Energy Accelerator Res Org KEK, Tokai, Ibaraki 3191106, Japan.
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- Sugiyama, Jun (författare)
- Comprehens Res Org Sci & Soc CROSS, Neutron Sci & Technol Ctr, Tokai, Ibaraki 3191106, Japan.;Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan.
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- Sassa, Yasmine (författare)
- Chalmers Univ Technol, Dept Phys, S-41296 Gothenburg, Sweden.,Department of Physics, Chalmers University of Technology, 41296 Gothenburg, Sweden.
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- Månsson, Martin, As. Prof. 1976- (författare)
- KTH,Material- och nanofysik
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- Younesi, Reza (författare)
- Uppsala universitet,Strukturkemi
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(creator_code:org_t)
- 2021
- 2021
- Engelska.
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Ingår i: Physical Chemistry, Chemical Physics - PCCP. - : Royal Society of Chemistry (RSC). - 1463-9076 .- 1463-9084. ; 23:42, s. 24478-24486
- Relaterad länk:
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https://doi.org/10.1...
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https://pubs.rsc.org...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Sodium transition metal oxides with a layered structure are one of the most widely studied cathode materials for Na+-ion batteries. Since the mobility of Na+ in such cathode materials is a key factor that governs the performance of material, electrochemical and muon spin rotation and relaxation techniques are here used to reveal the Na+-ion mobility in a P2-type Na0.5MgxNi0.17-xMn0.83O2 (x = 0, 0.02, 0.05 and 0.07) cathode material. Combining electrochemical techniques such as galvanostatic cycling, cyclic voltammetry, and the galvanostatic intermittent titration technique with mu+SR, we have successfully extracted both self-diffusion and chemical-diffusion under a potential gradient, which are essential to understand the electrode material from an atomic-scale viewpoint. The results indicate that a small amount of Mg substitution has strong effects on the cycling performance and the Na+ mobility. Amongst the tested cathode systems, it was found that the composition with a Mg content of x = 0.02 resulted in the best cycling stability and highest Na+ mobility based on electrochemical and mu+SR results. The current study clearly shows that for developing a new generation of sustainable energy-storage devices, it is crucial to study and understand both the structure as well as dynamics of ions in the material on an atomic level.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
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Till lärosätets databas
- Av författaren/redakt...
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Ma, Le Anh, 1992 ...
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Palm, Rasmus
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Nocerino, Elisab ...
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Forslund, Ola Ke ...
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Matsubara, Nami
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Cottrell, Stephe ...
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visa fler...
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Yokoyama, Koji
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Koda, Akihiro
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Sugiyama, Jun
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Sassa, Yasmine
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Månsson, Martin, ...
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Younesi, Reza
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Materialkemi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Oorganisk kemi
- Artiklar i publikationen
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Physical Chemist ...
- Av lärosätet
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Kungliga Tekniska Högskolan
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Uppsala universitet