The High Performance of Crystal Water Containing Manganese Birnessite Cathodes for Magnesium Batteries

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dc.contributor.authorNam, Kwan Wooko
dc.contributor.authorKim, Sangryunko
dc.contributor.authorLee, Soyeonko
dc.contributor.authorSalama, Michaelko
dc.contributor.authorShterenberg, Ivgeniko
dc.contributor.authorGofer, Yossiko
dc.contributor.authorKim, Joo-Seongko
dc.contributor.authorYang, Eunjeongko
dc.contributor.authorPark, Chan Sunko
dc.contributor.authorKim, Ju-Sikko
dc.contributor.authorLee, SSko
dc.contributor.authorChang, Won-Seokko
dc.contributor.authorDoo, Seok-Gwangko
dc.contributor.authorJo, Yong Namko
dc.contributor.authorJung, Yousungko
dc.contributor.authorAurbach, Doronko
dc.contributor.authorChoi, Jang Wookko
dc.date.accessioned2015-07-23T01:34:23Z-
dc.date.available2015-07-23T01:34:23Z-
dc.date.created2015-07-14-
dc.date.created2015-07-14-
dc.date.created2015-07-14-
dc.date.issued2015-06-
dc.identifier.citationNANO LETTERS, v.15, no.6, pp.4071 - 4079-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10203/200133-
dc.description.abstractRechargeable magnesium batteries have lately received great attention for large-scale energy storage systems due to their high volumetric capacities, low materials cost, and safe characteristic. However, the bivalency of Mg2+ ions has made it challenging to find cathode materials operating at high voltages with decent (de)intercalation kinetics. In an effort to overcome this challenge, we adopt an unconventional approach of engaging crystal water in the layered structure of Birnessite MnO2 because the crystal water can effectively screen electrostatic interactions between Mg2+ ions and the host anions. The crucial role of the crystal water was revealed by directly visualizing its presence and dynamic rearrangement using scanning transmission electron microscopy (STEM). Moreover, the importance of lowering desolvation energy penalty at the cathodeelectrolyte interface was elucidated by working with water containing nonaqueous electrolytes. In aqueous electrolytes, the decreased interfacial energy penalty by hydration of Mg2+ allows Birnessite MnO2 to achieve a large reversible capacity (231.1 mAh g(-1)) at high operating voltage (2.8 V vs Mg/Mg2+) with excellent cycle life (62.5% retention after 10000 cycles), unveiling the importance of effective charge shielding in the host and facile Mg2+ ions transfer through the cathodes interface.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleThe High Performance of Crystal Water Containing Manganese Birnessite Cathodes for Magnesium Batteries-
dc.typeArticle-
dc.identifier.wosid000356316900063-
dc.identifier.scopusid2-s2.0-84935869969-
dc.type.rimsART-
dc.citation.volume15-
dc.citation.issue6-
dc.citation.beginningpage4071-
dc.citation.endingpage4079-
dc.citation.publicationnameNANO LETTERS-
dc.identifier.doi10.1021/acs.nanolett.5b01109-
dc.contributor.localauthorJung, Yousung-
dc.contributor.localauthorChoi, Jang Wook-
dc.contributor.nonIdAuthorNam, Kwan Woo-
dc.contributor.nonIdAuthorKim, Sangryun-
dc.contributor.nonIdAuthorLee, Soyeon-
dc.contributor.nonIdAuthorSalama, Michael-
dc.contributor.nonIdAuthorShterenberg, Ivgeni-
dc.contributor.nonIdAuthorGofer, Yossi-
dc.contributor.nonIdAuthorPark, Chan Sun-
dc.contributor.nonIdAuthorKim, Ju-Sik-
dc.contributor.nonIdAuthorLee, SS-
dc.contributor.nonIdAuthorChang, Won-Seok-
dc.contributor.nonIdAuthorDoo, Seok-Gwang-
dc.contributor.nonIdAuthorJo, Yong Nam-
dc.contributor.nonIdAuthorAurbach, Doron-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorMagnesium batteries-
dc.subject.keywordAuthoraqueous batteries-
dc.subject.keywordAuthorBirnessite-
dc.subject.keywordAuthorcrystal water-
dc.subject.keywordAuthorcharge screening-
dc.subject.keywordPlusRECHARGEABLE MG BATTERIES-
dc.subject.keywordPlusLITHIUM-ION BATTERIES-
dc.subject.keywordPlusPRUSSIAN BLUE ANALOG-
dc.subject.keywordPlusELECTROCHEMICAL INSERTION-
dc.subject.keywordPlusPHASE-TRANSITION-
dc.subject.keywordPlusENERGY-STORAGE-
dc.subject.keywordPlusELECTRODES-
dc.subject.keywordPlusSODIUM-
dc.subject.keywordPlusSPINEL-
dc.subject.keywordPlusOXIDE-
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