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Synthetic Pathway D...
Synthetic Pathway Determines the Nonequilibrium Crystallography of Li- and Mn-Rich Layered Oxide Cathode Materials
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- Menon, Ashok S. (author)
- Uppsala universitet,Strukturkemi
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- Ulusoy, Seda (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Ojwang, Dickson O. (author)
- Uppsala universitet,Strukturkemi
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- Riekehr, Lars (author)
- Uppsala universitet,Oorganisk kemi,Solcellsteknik,Fasta tillståndets elektronik
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- Didier, Christophe (author)
- Australian Nucl Sci & Technol Org, Australian Ctr Neutron Scattering, Kirrawee Dc, NSW 2232, Australia.;Univ New South Wales, Sch Chem, Sydney, NSW 2052, Australia.
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- Peterson, Vanessa K. (author)
- Australian Nucl Sci & Technol Org, Australian Ctr Neutron Scattering, Kirrawee Dc, NSW 2232, Australia.;Univ Wollongong, Inst Superconducting & Elect Mat, Fac Engn, Wollongong, NSW 2522, Australia.
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- Salazar-Alvarez, German (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Svedlindh, Peter (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Edström, Kristina, Professor, 1958- (author)
- Uppsala universitet,Strukturkemi
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- Gómez, Cesar Pay, Docent, 1974- (author)
- Uppsala universitet,Strukturkemi
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- Brant, William (author)
- Uppsala universitet,Strukturkemi
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(creator_code:org_t)
- 2021-02-10
- 2021
- English.
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In: ACS Applied Energy Materials. - : American Chemical Society (ACS). - 2574-0962. ; 4:2, s. 1924-1935
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Abstract
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- Li- and Mn-rich layered oxides show significant promise as electrode materials for future Li-ion batteries. However, an accurate description of its crystallography remains elusive, with both single-phase solid solution and multiphase structures being proposed for high performing materials such as Li1.2Mn0.54Ni0.13Co0.13O2. Herein, we report the synthesis of single- and multiphase variants of this material through sol-gel and solid-state methods, respectively, and demonstrate that its crystallography is a direct consequence of the synthetic route and not necessarily an inherent property of the composition, as previously argued. This was accomplished via complementary techniques that probe the bulk and local structure followed by in situ methods to map the synthetic progression. As the electrochemical performance and anionic redox behavior are often rationalized on the basis of the presumed crystal structure, clarifying the structural ambiguities is an important step toward harnessing its potential as an electrode material.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- Li- and Mn-rich layered oxides
- Li-ion battery cathodes
- synthesis-structure relationships
- anionic redox materials
- stacking faulted materials
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Menon, Ashok S.
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Ulusoy, Seda
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Ojwang, Dickson ...
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Riekehr, Lars
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Didier, Christop ...
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Peterson, Vaness ...
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Salazar-Alvarez, ...
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Svedlindh, Peter
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Edström, Kristin ...
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Gómez, Cesar Pay ...
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Brant, William
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- 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 Materials Chemis ...
- Articles in the publication
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ACS Applied Ener ...
- By the university
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Uppsala University