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|a (TOE)ost1737420
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|a E 1.99:BNL-220705-2020-JAAM
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|a E 1.99:BNL-220705-2020-JAAM
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|a BNL-220705-2020-JAAM
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|a Unraveling the Dissolution-Mediated Reaction Mechanism of ?-MnO<sub>2</sub> Cathodes for Aqueous Zn-Ion Batteries
|h [electronic resource]
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|a Washington, D.C. :
|b United States. Department of Energy. Office of Science ;
|a Oak Ridge, Tenn. :
|b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 2020.
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| 300 |
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|a Size: Article No. 2005406 :
|b digital, PDF file.
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|a text
|b txt
|2 rdacontent.
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|a computer
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|2 rdamedia.
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|a online resource
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|a Published through Scitech Connect.
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|a 11/09/2020.
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|a "BNL-220705-2020-JAAM."
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|a "Journal ID: ISSN 1613-6810."
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|a ": US2205309."
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|a Kim, Sung J. ; Zhu, Yimei ; Wu, Daren R. ; Sadique, Nahian ; Quilty, Calvin D. ; Wu, Lijun ; Marschilok, Amy C. ; Takeuchi, Kenneth J. ; Takeuchi, Esther S. ;
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|a Aqueous Zn/?-MnO<sub>2</sub> batteries have attracted immense interest owing to their high energy density, low cost, and safety, making them desirable for future large-scale energy application. Despite these merits, the comprehensive understanding of their reaction mechanism has been elusive due to the limitations of standard bulk characterization. Here, via transmission electron microscopy, the dissolution-mediated reaction mechanism of a Zn/?-MnO<sub>2</sub> system is discovered and explored in full scope to involve reversible formation of Zn<sub>4</sub>SO<sub>4</sub>(OH)<sub>6</sub>ʺ<i>x</i>H<sub>2</sub>O and ?birnessite-like? Zn-MnO<i><sub>x</sub></i> phase upon cycling. Overall, ?-MnO<sub>2</sub> acts primarily as a source for cell activation through dissolution and thus is not directly involved in the Zn redox chemistry. Overall, this microscopic study offers a unique knowledge on the unconventional reaction chemistry of Zn/?-MnO<sub>2</sub> batteries.
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|b SC0012673.
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|a 75 condensed matter physics, superconductivity and superfluidity
|2 local.
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|a Aqueous zincion batteries
|2 local.
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|a Manganese oxides
|2 local.
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|a Scanning transmission electron microscopy
|2 local.
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|a Condensed matter physics, superconductivity and superfluidity
|2 local.
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|a Aqueous zinc-ion batteries
|2 local.
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| 710 |
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|a Brookhaven National Laboratory.
|4 res.
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|a United States.
|b Department of Energy.
|b Office of Science.
|4 spn.
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| 710 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information
|4 dst.
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|u https://www.osti.gov/servlets/purl/1737420
|z Full Text (via OSTI)
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| 907 |
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|a .b128279801
|b 02-28-23
|c 12-08-22
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|a web
|b 12-08-22
|c f
|d m
|e p
|f eng
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|s e6659abf-c98d-5cfd-a660-64bf6688cc53
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:BNL-220705-2020-JAAM
|h Superintendent of Documents classification
|i web
|n 1
|
