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Quantifying Diffusi...
Quantifying Diffusion through Interfaces of Lithium-Ion Battery Active Materials
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- Benedek, Peter (author)
- Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH),Swiss Fed Inst Technol, Dept Informat Technol & Elect Engn, CH-8092 Zurich, Switzerland.
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- Forslund, Ola Kenji (author)
- KTH,Material- och nanofysik
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- Nocerino, Elisabetta (author)
- KTH,Material- och nanofysik
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- Yazdani, Nuri (author)
- Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH),Swiss Fed Inst Technol, Dept Informat Technol & Elect Engn, CH-8092 Zurich, Switzerland.
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- Matsubara, Nami (author)
- KTH,Material- och nanofysik
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- Sassa, Yasmine, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Phys, SE-41296 Gothenburg, Sweden.
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- Jurànyi, Fanni (author)
- Paul Scherrer Institut,Paul Scherrer Inst, Lab Neutron Scattering & Imaging, CH-5232 Villigen, Switzerland.
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- Medarde, Marisa (author)
- Paul Scherrer Institut,Paul Scherrer Inst, Lab Multiscale Mat Experiments, CH-5232 Villigen, Switzerland.
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- Telling, Mark (author)
- STFC Rutherford Appleton Laboratory,Rutherford Appleton Lab, ISIS Neutron & Muon Facil, Didcot OX11 0QX, Oxon, England.
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- Månsson, Martin, As. Prof. 1976- (author)
- KTH,Material- och nanofysik
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- Wood, Vanessa (author)
- Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH),Swiss Fed Inst Technol, Dept Informat Technol & Elect Engn, CH-8092 Zurich, Switzerland.
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Eidgenössische Technische Hochschule Zürich (ETH) Swiss Fed Inst Technol, Dept Informat Technol & Elect Engn, CH-8092 Zurich, Switzerland (creator_code:org_t)
- 2020-03-12
- 2020
- English.
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In: ACS Applied Materials & Interfaces. - : American Chemical Society (ACS). - 1944-8252 .- 1944-8244. ; 12:14, s. 16243-16249
- Related links:
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https://doi.org/10.1...
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Abstract
Subject headings
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- Detailed understanding of charge diffusion processes in a lithium-ion battery is crucial to enable its systematic improvement. Experimental investigation of diffusion at the interface between active particles and the electrolyte is challenging but warrants investigation as it can introduce resistances that, for example, limit the charge and discharge rates. Here, we show an approach to study diffusion at interfaces using muon spin spectroscopy. By performing measurements on LiFePO4 platelets with different sizes, we determine how diffusion through the LiFePO4 (010) interface differs from that in the center of the particle (i.e., bulk diffusion). We perform ab initio calculations to aid the understanding of the results and show the relevance of our interfacial diffusion measurement to electrochemical performance through cyclic voltammetry measurements. These results indicate that surface engineering can be used to improve the performance of lithium-ion batteries.
Subject headings
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- ab initio simulations
- solid-state diffusion
- muon spin spectroscopy
- lithium-ion batteries
- cyclic voltammetry
- LiFePO4
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Benedek, Peter
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Forslund, Ola Ke ...
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Nocerino, Elisab ...
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Yazdani, Nuri
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Matsubara, Nami
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Sassa, Yasmine, ...
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show more...
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Jurànyi, Fanni
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Medarde, Marisa
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Telling, Mark
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Månsson, Martin, ...
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Wood, Vanessa
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Other Chemistry ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
- Articles in the publication
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ACS Applied Mate ...
- By the university
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Chalmers University of Technology
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Royal Institute of Technology