Manganese oxide octahedral molecular sieves as insertion electrodes for rechargeable Mg batteries

dc.contributor.authorRasul, Shahid
dc.contributor.authorSuzuki, Shinya
dc.contributor.authorYamaguchi, Shu
dc.contributor.authorMiyayama, Masaru
dc.contributor.departmentKAUST Catalysis Center (KCC)
dc.contributor.departmentChemical Science Program
dc.contributor.institutionResearch Center for Advanced Science and Technology (RCAST), University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan
dc.contributor.institutionDepartment of Materials Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
dc.date.accessioned2015-08-03T11:35:13Z
dc.date.available2015-08-03T11:35:13Z
dc.date.issued2013-11
dc.description.abstractMagnesium has been inserted electrochemically into manganese oxide octahedral molecular sieves (OMS-5 MnO2) at room temperature. Discharge/charge profiles show that a large amount of Mg, i.e., 0.37 Mg/Mn can be inserted electrochemically using 1 M Mg(ClO4)2/AN electrolyte when OMS-5 is prepared in presence of acetylene black. X-ray diffraction analysis and discharge/charge profiles verify that a solid state solution reaction takes place upon Mg insertion into the host lattice with concurrent reduction of Mn4+ to Mn2+. However, upon each reduction of Mn by Mg insertion and resultant dissolution into electrolyte, decrease in the active compound occurs consequently. A low intrinsic electronic conductivity of OMS-5 was suggested to play a vital role in Mg insertion into the host. © 2013 Elsevier Ltd.
dc.identifier.citationRasul, S., Suzuki, S., Yamaguchi, S., & Miyayama, M. (2013). Manganese oxide octahedral molecular sieves as insertion electrodes for rechargeable Mg batteries. Electrochimica Acta, 110, 247–252. doi:10.1016/j.electacta.2013.06.094
dc.identifier.doi10.1016/j.electacta.2013.06.094
dc.identifier.issn00134686
dc.identifier.journalElectrochimica Acta
dc.identifier.urihttp://hdl.handle.net/10754/563075
dc.publisherElsevier BV
dc.subjectAcetylene black composite
dc.subjectInsertion electrodes
dc.subjectLi ion batteries
dc.subjectMg ion batteries
dc.subjectOctahedral molecular sieves (OMS)
dc.titleManganese oxide octahedral molecular sieves as insertion electrodes for rechargeable Mg batteries
dc.typeArticle
display.details.left<span><h5>Type</h5>Article<br><br><h5>Authors</h5><a href="https://repository.kaust.edu.sa/search?query=orcid.id:0000-0002-2543-0205&spc.sf=dc.date.issued&spc.sd=DESC">Rasul, Shahid</a> <a href="https://orcid.org/0000-0002-2543-0205" target="_blank"><img src="https://repository.kaust.edu.sa/server/api/core/bitstreams/82a625b4-ed4b-40c8-865a-d6a5225a26a4/content" width="16" height="16"/></a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Suzuki, Shinya,equals">Suzuki, Shinya</a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Yamaguchi, Shu,equals">Yamaguchi, Shu</a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Miyayama, Masaru,equals">Miyayama, Masaru</a><br><br><h5>KAUST Department</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.department=KAUST Catalysis Center (KCC),equals">KAUST Catalysis Center (KCC)</a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.department=Chemical Science Program,equals">Chemical Science Program</a><br><br><h5>Date</h5>2013-11</span>
display.details.right<span><h5>Abstract</h5>Magnesium has been inserted electrochemically into manganese oxide octahedral molecular sieves (OMS-5 MnO2) at room temperature. Discharge/charge profiles show that a large amount of Mg, i.e., 0.37 Mg/Mn can be inserted electrochemically using 1 M Mg(ClO4)2/AN electrolyte when OMS-5 is prepared in presence of acetylene black. X-ray diffraction analysis and discharge/charge profiles verify that a solid state solution reaction takes place upon Mg insertion into the host lattice with concurrent reduction of Mn4+ to Mn2+. However, upon each reduction of Mn by Mg insertion and resultant dissolution into electrolyte, decrease in the active compound occurs consequently. A low intrinsic electronic conductivity of OMS-5 was suggested to play a vital role in Mg insertion into the host. © 2013 Elsevier Ltd.<br><br><h5>Citation</h5>Rasul, S., Suzuki, S., Yamaguchi, S., & Miyayama, M. (2013). Manganese oxide octahedral molecular sieves as insertion electrodes for rechargeable Mg batteries. Electrochimica Acta, 110, 247–252. doi:10.1016/j.electacta.2013.06.094<br><br><h5>Publisher</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.publisher=Elsevier BV,equals">Elsevier BV</a><br><br><h5>Journal</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.journal=Electrochimica Acta,equals">Electrochimica Acta</a><br><br><h5>DOI</h5><a href="https://doi.org/10.1016/j.electacta.2013.06.094">10.1016/j.electacta.2013.06.094</a></span>
kaust.personRasul, Shahid
orcid.authorRasul, Shahid::0000-0002-2543-0205
orcid.authorSuzuki, Shinya
orcid.authorYamaguchi, Shu
orcid.authorMiyayama, Masaru
orcid.id0000-0002-2543-0205
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