P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 Cathode Material for High Power and Long Life Potassium‐Ion Batteries
Rationally designed P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 is introduced as a novel cathode material for potassium‐ion batteries (KIBs). P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 cathode material designed through electrochemical ion‐exchange from P2‐Na 2/3 [Ni 1/3 Mn 2/3 ]O 2 exhibits satisfactory electrode performances...
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| Veröffentlicht in: | Advanced energy materials 2020-02, Vol.10 (7) |
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| container_title | Advanced energy materials |
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| creator | Jo, Jae Hyeon Choi, Ji Ung Park, Yun Ji Jung, Young Hwa Ahn, Docheon Jeon, Tae‐Yeol Kim, Hyungsub Kim, Jongsoon Myung, Seung‐Taek |
| description | Rationally designed P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is introduced as a novel cathode material for potassium‐ion batteries (KIBs). P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
cathode material designed through electrochemical ion‐exchange from P2‐Na
2/3
[Ni
1/3
Mn
2/3
]O
2
exhibits satisfactory electrode performances; 110 mAh g
−1
(20 mA g
−1
) retaining 86% of capacity for 300 cycles and unexpectedly high reversible capacity of about 91 mAh g
−1
(1400 mA g
−1
) with excellent capacity retention of 83% over 500 cycles. According to theoretical and experimental investigations, the overall potassium storage mechanism of P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is revealed to be a single‐phase reaction with small lattice change upon charge and discharge, presenting the Ni
4+/2+
redox couple reaction. Such high power capability is possible through the facile K
+
migration in the K
0.75
[Ni
1/3
Mn
2/3
]O
2
structure with a low activation barrier energy of ≈210 meV. These findings indicate that P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is a promising candidate cathode material for high‐rate and long‐life KIBs. |
| doi_str_mv | 10.1002/aenm.201903605 |
| format | Article |
| fullrecord | <record><control><sourceid>crossref</sourceid><recordid>TN_cdi_crossref_primary_10_1002_aenm_201903605</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>10_1002_aenm_201903605</sourcerecordid><originalsourceid>FETCH-LOGICAL-c169t-a30c500c1e06ea1b09e5a5a7c121c237c99a9b6966130fef5f2faec8cf6da4633</originalsourceid><addsrcrecordid>eNo9kEFPwkAUhDdGEwly9fz-QMt7u-3CHpWoEItw0JMxzWPZhRpozW6N8eZP8Df6SyzRMJeZTDJz-IS4JEwJUQ7Z1ftUIhlUGvMT0SNNWaLHGZ4es5LnYhDjK3bKDKFSPbFZyp-v73vAdJTD80MFNFQwr0F29rIACRNut83awZxbFyregW8CTKvNFpbNhwvA9RqKpt5AUXnXdS3HWL3vu9NZU8M1t4eZixfizPMuusG_98XT7c3jZJoUi7vZ5KpILGnTJqzQ5oiWHGrHtELjcs55ZEmSlWpkjWGz0kZrUuidz7307OzYer3mTCvVF-nfrw1NjMH58i1Uew6fJWF5IFUeSJVHUuoXSrhaqg</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 Cathode Material for High Power and Long Life Potassium‐Ion Batteries</title><source>Wiley Online Library All Journals</source><creator>Jo, Jae Hyeon ; Choi, Ji Ung ; Park, Yun Ji ; Jung, Young Hwa ; Ahn, Docheon ; Jeon, Tae‐Yeol ; Kim, Hyungsub ; Kim, Jongsoon ; Myung, Seung‐Taek</creator><creatorcontrib>Jo, Jae Hyeon ; Choi, Ji Ung ; Park, Yun Ji ; Jung, Young Hwa ; Ahn, Docheon ; Jeon, Tae‐Yeol ; Kim, Hyungsub ; Kim, Jongsoon ; Myung, Seung‐Taek</creatorcontrib><description>Rationally designed P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is introduced as a novel cathode material for potassium‐ion batteries (KIBs). P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
cathode material designed through electrochemical ion‐exchange from P2‐Na
2/3
[Ni
1/3
Mn
2/3
]O
2
exhibits satisfactory electrode performances; 110 mAh g
−1
(20 mA g
−1
) retaining 86% of capacity for 300 cycles and unexpectedly high reversible capacity of about 91 mAh g
−1
(1400 mA g
−1
) with excellent capacity retention of 83% over 500 cycles. According to theoretical and experimental investigations, the overall potassium storage mechanism of P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is revealed to be a single‐phase reaction with small lattice change upon charge and discharge, presenting the Ni
4+/2+
redox couple reaction. Such high power capability is possible through the facile K
+
migration in the K
0.75
[Ni
1/3
Mn
2/3
]O
2
structure with a low activation barrier energy of ≈210 meV. These findings indicate that P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is a promising candidate cathode material for high‐rate and long‐life KIBs.</description><identifier>ISSN: 1614-6832</identifier><identifier>EISSN: 1614-6840</identifier><identifier>DOI: 10.1002/aenm.201903605</identifier><language>eng</language><ispartof>Advanced energy materials, 2020-02, Vol.10 (7)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c169t-a30c500c1e06ea1b09e5a5a7c121c237c99a9b6966130fef5f2faec8cf6da4633</citedby><cites>FETCH-LOGICAL-c169t-a30c500c1e06ea1b09e5a5a7c121c237c99a9b6966130fef5f2faec8cf6da4633</cites><orcidid>0000-0001-6888-5376</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Jo, Jae Hyeon</creatorcontrib><creatorcontrib>Choi, Ji Ung</creatorcontrib><creatorcontrib>Park, Yun Ji</creatorcontrib><creatorcontrib>Jung, Young Hwa</creatorcontrib><creatorcontrib>Ahn, Docheon</creatorcontrib><creatorcontrib>Jeon, Tae‐Yeol</creatorcontrib><creatorcontrib>Kim, Hyungsub</creatorcontrib><creatorcontrib>Kim, Jongsoon</creatorcontrib><creatorcontrib>Myung, Seung‐Taek</creatorcontrib><title>P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 Cathode Material for High Power and Long Life Potassium‐Ion Batteries</title><title>Advanced energy materials</title><description>Rationally designed P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is introduced as a novel cathode material for potassium‐ion batteries (KIBs). P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
cathode material designed through electrochemical ion‐exchange from P2‐Na
2/3
[Ni
1/3
Mn
2/3
]O
2
exhibits satisfactory electrode performances; 110 mAh g
−1
(20 mA g
−1
) retaining 86% of capacity for 300 cycles and unexpectedly high reversible capacity of about 91 mAh g
−1
(1400 mA g
−1
) with excellent capacity retention of 83% over 500 cycles. According to theoretical and experimental investigations, the overall potassium storage mechanism of P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is revealed to be a single‐phase reaction with small lattice change upon charge and discharge, presenting the Ni
4+/2+
redox couple reaction. Such high power capability is possible through the facile K
+
migration in the K
0.75
[Ni
1/3
Mn
2/3
]O
2
structure with a low activation barrier energy of ≈210 meV. These findings indicate that P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is a promising candidate cathode material for high‐rate and long‐life KIBs.</description><issn>1614-6832</issn><issn>1614-6840</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNo9kEFPwkAUhDdGEwly9fz-QMt7u-3CHpWoEItw0JMxzWPZhRpozW6N8eZP8Df6SyzRMJeZTDJz-IS4JEwJUQ7Z1ftUIhlUGvMT0SNNWaLHGZ4es5LnYhDjK3bKDKFSPbFZyp-v73vAdJTD80MFNFQwr0F29rIACRNut83awZxbFyregW8CTKvNFpbNhwvA9RqKpt5AUXnXdS3HWL3vu9NZU8M1t4eZixfizPMuusG_98XT7c3jZJoUi7vZ5KpILGnTJqzQ5oiWHGrHtELjcs55ZEmSlWpkjWGz0kZrUuidz7307OzYer3mTCvVF-nfrw1NjMH58i1Uew6fJWF5IFUeSJVHUuoXSrhaqg</recordid><startdate>202002</startdate><enddate>202002</enddate><creator>Jo, Jae Hyeon</creator><creator>Choi, Ji Ung</creator><creator>Park, Yun Ji</creator><creator>Jung, Young Hwa</creator><creator>Ahn, Docheon</creator><creator>Jeon, Tae‐Yeol</creator><creator>Kim, Hyungsub</creator><creator>Kim, Jongsoon</creator><creator>Myung, Seung‐Taek</creator><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-6888-5376</orcidid></search><sort><creationdate>202002</creationdate><title>P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 Cathode Material for High Power and Long Life Potassium‐Ion Batteries</title><author>Jo, Jae Hyeon ; Choi, Ji Ung ; Park, Yun Ji ; Jung, Young Hwa ; Ahn, Docheon ; Jeon, Tae‐Yeol ; Kim, Hyungsub ; Kim, Jongsoon ; Myung, Seung‐Taek</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c169t-a30c500c1e06ea1b09e5a5a7c121c237c99a9b6966130fef5f2faec8cf6da4633</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jo, Jae Hyeon</creatorcontrib><creatorcontrib>Choi, Ji Ung</creatorcontrib><creatorcontrib>Park, Yun Ji</creatorcontrib><creatorcontrib>Jung, Young Hwa</creatorcontrib><creatorcontrib>Ahn, Docheon</creatorcontrib><creatorcontrib>Jeon, Tae‐Yeol</creatorcontrib><creatorcontrib>Kim, Hyungsub</creatorcontrib><creatorcontrib>Kim, Jongsoon</creatorcontrib><creatorcontrib>Myung, Seung‐Taek</creatorcontrib><collection>CrossRef</collection><jtitle>Advanced energy materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jo, Jae Hyeon</au><au>Choi, Ji Ung</au><au>Park, Yun Ji</au><au>Jung, Young Hwa</au><au>Ahn, Docheon</au><au>Jeon, Tae‐Yeol</au><au>Kim, Hyungsub</au><au>Kim, Jongsoon</au><au>Myung, Seung‐Taek</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 Cathode Material for High Power and Long Life Potassium‐Ion Batteries</atitle><jtitle>Advanced energy materials</jtitle><date>2020-02</date><risdate>2020</risdate><volume>10</volume><issue>7</issue><issn>1614-6832</issn><eissn>1614-6840</eissn><abstract>Rationally designed P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is introduced as a novel cathode material for potassium‐ion batteries (KIBs). P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
cathode material designed through electrochemical ion‐exchange from P2‐Na
2/3
[Ni
1/3
Mn
2/3
]O
2
exhibits satisfactory electrode performances; 110 mAh g
−1
(20 mA g
−1
) retaining 86% of capacity for 300 cycles and unexpectedly high reversible capacity of about 91 mAh g
−1
(1400 mA g
−1
) with excellent capacity retention of 83% over 500 cycles. According to theoretical and experimental investigations, the overall potassium storage mechanism of P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is revealed to be a single‐phase reaction with small lattice change upon charge and discharge, presenting the Ni
4+/2+
redox couple reaction. Such high power capability is possible through the facile K
+
migration in the K
0.75
[Ni
1/3
Mn
2/3
]O
2
structure with a low activation barrier energy of ≈210 meV. These findings indicate that P2‐K
0.75
[Ni
1/3
Mn
2/3
]O
2
is a promising candidate cathode material for high‐rate and long‐life KIBs.</abstract><doi>10.1002/aenm.201903605</doi><orcidid>https://orcid.org/0000-0001-6888-5376</orcidid></addata></record> |
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| source | Wiley Online Library All Journals |
| title | P2‐K 0.75 [Ni 1/3 Mn 2/3 ]O 2 Cathode Material for High Power and Long Life Potassium‐Ion Batteries |
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