Understanding on the structural and electrochemical performance of orthorhombic sodium manganese oxidesElectronic supplementary information (ESI) available: XRD, DFT, cell performance, HT-XRD, DSC and TGA results of o-sodium manganese oxide compounds, lattice parameters from DFT and Rietveld refinement results (fresh and after 50 cycles). See DOI: 10.1039/c8ta08796b
We investigate the orthorhombic Na 0.67 [Ni x Mn 1− x ]O 2 ( x = 0 and 0.05) cathode materials that provide high capacity for prolonged cycles. X-ray absorption studies revealed that the redox activity of the Mn 3+/4+ and Ni 2+/3+ pairs is effective in suppressing the Jahn-Teller effect of Mn 3+ ion...
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creator | Choi, Ji Ung Yoon, Chong Seung Zhang, Qian Kaghazchi, Payam Jung, Young Hwa Lee, Kug-Seung Ahn, Do-Cheon Sun, Yang-Kook Myung, Seung-Taek |
description | We investigate the orthorhombic Na
0.67
[Ni
x
Mn
1−
x
]O
2
(
x
= 0 and 0.05) cathode materials that provide high capacity for prolonged cycles. X-ray absorption studies revealed that the redox activity of the Mn
3+/4+
and Ni
2+/3+
pairs is effective in suppressing the Jahn-Teller effect of Mn
3+
ions because of the network with Ni
2+
ions. This effect influenced the smooth voltage variations in the voltage profile for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, whereas several complicated voltage plateaus associated with the first-order phase transition were noticed in Na
0.67
MnO
2
.
Operando
synchrotron X-ray diffraction and transmission microscopy studies confirmed the simplicity of the phase transition for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
due to suppression of the Jahn-Teller effect of Mn
3+
in the oxide lattice. These findings, along with the capacity retention during prolonged cycling and the acceptable thermal properties, make high-capacity sodium-ion batteries feasible, inexpensive, and safe for energy storage application.
Sodium manganese oxide with divalent Ni in prismatic sites, represented as
o
-Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, shows high capacity with excellent cyclability. |
doi_str_mv | 10.1039/c8ta08796b |
format | Article |
fullrecord | <record><control><sourceid>rsc</sourceid><recordid>TN_cdi_rsc_primary_c8ta08796b</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>c8ta08796b</sourcerecordid><originalsourceid>FETCH-rsc_primary_c8ta08796b3</originalsourceid><addsrcrecordid>eNqFUU1PAjEQXY0mEvTi3WS8QcJiEYFdboYP4WQCa-KNlO4sW9OPTdsl8u8ti8EYjfYyk77X915nguC6Q9od0o3vWOQoiQZxf30a1O5Jj4SDh7h_duyj6CK4svaN-BMR0o_j2knxolI01lGVcrUBrcDlCNaZkrnSUAEeABTInNEsR8mZvyvQZNpIqhiCzkAbl2uTa7nmDKxOeSnBgxuq0HrCO0_RTg4Sas8oi0KgROWo2QFXlZTj3roxWc6bQLeUC7oWOITXxbgF42nSAobim28LZkl4gJejKmTy9AgGbSmcrUKFvycBpmWhS5XaFgjqHPd_KKihEp2fA2RGy71jJbng6LYoUq-bcVVFPlo0Mt_lFY1m_in0CLAdE2ibbVgiwvh5PoSfq7kMzjMqLF591npwM50ko1loLFsVhks_lNUXvVsPbv_CV0Wadf_T-ADSELHE</addsrcrecordid><sourcetype>Enrichment Source</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Understanding on the structural and electrochemical performance of orthorhombic sodium manganese oxidesElectronic supplementary information (ESI) available: XRD, DFT, cell performance, HT-XRD, DSC and TGA results of o-sodium manganese oxide compounds, lattice parameters from DFT and Rietveld refinement results (fresh and after 50 cycles). See DOI: 10.1039/c8ta08796b</title><source>Royal Society Of Chemistry Journals 2008-</source><creator>Choi, Ji Ung ; Yoon, Chong Seung ; Zhang, Qian ; Kaghazchi, Payam ; Jung, Young Hwa ; Lee, Kug-Seung ; Ahn, Do-Cheon ; Sun, Yang-Kook ; Myung, Seung-Taek</creator><creatorcontrib>Choi, Ji Ung ; Yoon, Chong Seung ; Zhang, Qian ; Kaghazchi, Payam ; Jung, Young Hwa ; Lee, Kug-Seung ; Ahn, Do-Cheon ; Sun, Yang-Kook ; Myung, Seung-Taek</creatorcontrib><description>We investigate the orthorhombic Na
0.67
[Ni
x
Mn
1−
x
]O
2
(
x
= 0 and 0.05) cathode materials that provide high capacity for prolonged cycles. X-ray absorption studies revealed that the redox activity of the Mn
3+/4+
and Ni
2+/3+
pairs is effective in suppressing the Jahn-Teller effect of Mn
3+
ions because of the network with Ni
2+
ions. This effect influenced the smooth voltage variations in the voltage profile for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, whereas several complicated voltage plateaus associated with the first-order phase transition were noticed in Na
0.67
MnO
2
.
Operando
synchrotron X-ray diffraction and transmission microscopy studies confirmed the simplicity of the phase transition for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
due to suppression of the Jahn-Teller effect of Mn
3+
in the oxide lattice. These findings, along with the capacity retention during prolonged cycling and the acceptable thermal properties, make high-capacity sodium-ion batteries feasible, inexpensive, and safe for energy storage application.
Sodium manganese oxide with divalent Ni in prismatic sites, represented as
o
-Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, shows high capacity with excellent cyclability.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/c8ta08796b</identifier><language>eng</language><creationdate>2018-12</creationdate><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Choi, Ji Ung</creatorcontrib><creatorcontrib>Yoon, Chong Seung</creatorcontrib><creatorcontrib>Zhang, Qian</creatorcontrib><creatorcontrib>Kaghazchi, Payam</creatorcontrib><creatorcontrib>Jung, Young Hwa</creatorcontrib><creatorcontrib>Lee, Kug-Seung</creatorcontrib><creatorcontrib>Ahn, Do-Cheon</creatorcontrib><creatorcontrib>Sun, Yang-Kook</creatorcontrib><creatorcontrib>Myung, Seung-Taek</creatorcontrib><title>Understanding on the structural and electrochemical performance of orthorhombic sodium manganese oxidesElectronic supplementary information (ESI) available: XRD, DFT, cell performance, HT-XRD, DSC and TGA results of o-sodium manganese oxide compounds, lattice parameters from DFT and Rietveld refinement results (fresh and after 50 cycles). See DOI: 10.1039/c8ta08796b</title><description>We investigate the orthorhombic Na
0.67
[Ni
x
Mn
1−
x
]O
2
(
x
= 0 and 0.05) cathode materials that provide high capacity for prolonged cycles. X-ray absorption studies revealed that the redox activity of the Mn
3+/4+
and Ni
2+/3+
pairs is effective in suppressing the Jahn-Teller effect of Mn
3+
ions because of the network with Ni
2+
ions. This effect influenced the smooth voltage variations in the voltage profile for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, whereas several complicated voltage plateaus associated with the first-order phase transition were noticed in Na
0.67
MnO
2
.
Operando
synchrotron X-ray diffraction and transmission microscopy studies confirmed the simplicity of the phase transition for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
due to suppression of the Jahn-Teller effect of Mn
3+
in the oxide lattice. These findings, along with the capacity retention during prolonged cycling and the acceptable thermal properties, make high-capacity sodium-ion batteries feasible, inexpensive, and safe for energy storage application.
Sodium manganese oxide with divalent Ni in prismatic sites, represented as
o
-Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, shows high capacity with excellent cyclability.</description><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFUU1PAjEQXY0mEvTi3WS8QcJiEYFdboYP4WQCa-KNlO4sW9OPTdsl8u8ti8EYjfYyk77X915nguC6Q9od0o3vWOQoiQZxf30a1O5Jj4SDh7h_duyj6CK4svaN-BMR0o_j2knxolI01lGVcrUBrcDlCNaZkrnSUAEeABTInNEsR8mZvyvQZNpIqhiCzkAbl2uTa7nmDKxOeSnBgxuq0HrCO0_RTg4Sas8oi0KgROWo2QFXlZTj3roxWc6bQLeUC7oWOITXxbgF42nSAobim28LZkl4gJejKmTy9AgGbSmcrUKFvycBpmWhS5XaFgjqHPd_KKihEp2fA2RGy71jJbng6LYoUq-bcVVFPlo0Mt_lFY1m_in0CLAdE2ibbVgiwvh5PoSfq7kMzjMqLF591npwM50ko1loLFsVhks_lNUXvVsPbv_CV0Wadf_T-ADSELHE</recordid><startdate>20181219</startdate><enddate>20181219</enddate><creator>Choi, Ji Ung</creator><creator>Yoon, Chong Seung</creator><creator>Zhang, Qian</creator><creator>Kaghazchi, Payam</creator><creator>Jung, Young Hwa</creator><creator>Lee, Kug-Seung</creator><creator>Ahn, Do-Cheon</creator><creator>Sun, Yang-Kook</creator><creator>Myung, Seung-Taek</creator><scope/></search><sort><creationdate>20181219</creationdate><title>Understanding on the structural and electrochemical performance of orthorhombic sodium manganese oxidesElectronic supplementary information (ESI) available: XRD, DFT, cell performance, HT-XRD, DSC and TGA results of o-sodium manganese oxide compounds, lattice parameters from DFT and Rietveld refinement results (fresh and after 50 cycles). See DOI: 10.1039/c8ta08796b</title><author>Choi, Ji Ung ; Yoon, Chong Seung ; Zhang, Qian ; Kaghazchi, Payam ; Jung, Young Hwa ; Lee, Kug-Seung ; Ahn, Do-Cheon ; Sun, Yang-Kook ; Myung, Seung-Taek</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c8ta08796b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Choi, Ji Ung</creatorcontrib><creatorcontrib>Yoon, Chong Seung</creatorcontrib><creatorcontrib>Zhang, Qian</creatorcontrib><creatorcontrib>Kaghazchi, Payam</creatorcontrib><creatorcontrib>Jung, Young Hwa</creatorcontrib><creatorcontrib>Lee, Kug-Seung</creatorcontrib><creatorcontrib>Ahn, Do-Cheon</creatorcontrib><creatorcontrib>Sun, Yang-Kook</creatorcontrib><creatorcontrib>Myung, Seung-Taek</creatorcontrib></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Choi, Ji Ung</au><au>Yoon, Chong Seung</au><au>Zhang, Qian</au><au>Kaghazchi, Payam</au><au>Jung, Young Hwa</au><au>Lee, Kug-Seung</au><au>Ahn, Do-Cheon</au><au>Sun, Yang-Kook</au><au>Myung, Seung-Taek</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Understanding on the structural and electrochemical performance of orthorhombic sodium manganese oxidesElectronic supplementary information (ESI) available: XRD, DFT, cell performance, HT-XRD, DSC and TGA results of o-sodium manganese oxide compounds, lattice parameters from DFT and Rietveld refinement results (fresh and after 50 cycles). See DOI: 10.1039/c8ta08796b</atitle><date>2018-12-19</date><risdate>2018</risdate><volume>7</volume><issue>1</issue><spage>22</spage><epage>211</epage><pages>22-211</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>We investigate the orthorhombic Na
0.67
[Ni
x
Mn
1−
x
]O
2
(
x
= 0 and 0.05) cathode materials that provide high capacity for prolonged cycles. X-ray absorption studies revealed that the redox activity of the Mn
3+/4+
and Ni
2+/3+
pairs is effective in suppressing the Jahn-Teller effect of Mn
3+
ions because of the network with Ni
2+
ions. This effect influenced the smooth voltage variations in the voltage profile for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, whereas several complicated voltage plateaus associated with the first-order phase transition were noticed in Na
0.67
MnO
2
.
Operando
synchrotron X-ray diffraction and transmission microscopy studies confirmed the simplicity of the phase transition for Na
0.67
[Ni
0.05
Mn
0.95
]O
2
due to suppression of the Jahn-Teller effect of Mn
3+
in the oxide lattice. These findings, along with the capacity retention during prolonged cycling and the acceptable thermal properties, make high-capacity sodium-ion batteries feasible, inexpensive, and safe for energy storage application.
Sodium manganese oxide with divalent Ni in prismatic sites, represented as
o
-Na
0.67
[Ni
0.05
Mn
0.95
]O
2
, shows high capacity with excellent cyclability.</abstract><doi>10.1039/c8ta08796b</doi><tpages>1</tpages></addata></record> |
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source | Royal Society Of Chemistry Journals 2008- |
title | Understanding on the structural and electrochemical performance of orthorhombic sodium manganese oxidesElectronic supplementary information (ESI) available: XRD, DFT, cell performance, HT-XRD, DSC and TGA results of o-sodium manganese oxide compounds, lattice parameters from DFT and Rietveld refinement results (fresh and after 50 cycles). See DOI: 10.1039/c8ta08796b |
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