Todorokite-type MnO2 as a zinc-ion intercalating material
The structural and electrochemical properties of manganese dioxide with 3×3 tunnels bearing the crystallographic structure of the mineral todorokite were investigated for use as a new cathode material for zinc ion cells. The large 3×3 tunnel of todorokite facilitates fast Zn2+ diffusion to the inner...
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| Veröffentlicht in: | Electrochimica acta 2013-12, Vol.112, p.138-143 |
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| container_title | Electrochimica acta |
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| creator | Lee, Jonghyuk Ju, Jeh Beck Cho, Won Il Cho, Byung Won Oh, Si Hyoung |
| description | The structural and electrochemical properties of manganese dioxide with 3×3 tunnels bearing the crystallographic structure of the mineral todorokite were investigated for use as a new cathode material for zinc ion cells. The large 3×3 tunnel of todorokite facilitates fast Zn2+ diffusion to the inner region of a particle compared to the conventional medium-sized 2×2 tunnels of cryptomelane. Todorokite was synthesized by the hydrothermal treatment of layered Na-birnessite in a concentrated Mg-containing solution according to a known method. In electrochemical studies, a promising discharge capacity of 108mAh/g at C/2 and a good rate performance were observed in the potential range of 0.7V–2.0V. Structural and morphological analyses of the discharged and charged electrodes indicate that a reversible intercalation of zinc ions into the tunnel occurs during the discharge–charge process. |
| doi_str_mv | 10.1016/j.electacta.2013.08.136 |
| format | Article |
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Structural and morphological analyses of the discharged and charged electrodes indicate that a reversible intercalation of zinc ions into the tunnel occurs during the discharge–charge process.</description><subject>Bearing</subject><subject>Cathode material</subject><subject>Charging</subject><subject>Crystal structure</subject><subject>Diffusion</subject><subject>Discharge</subject><subject>Electrodes</subject><subject>Intercalation</subject><subject>Manganese dioxide</subject><subject>Todorokite</subject><subject>Tunnels (transportation)</subject><subject>Zinc</subject><subject>Zinc-ion battery</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKu_wT16yZqPJpscS_ELKr3Uc8hmZyV1u6lJKtRfb0rFqzAwM8w77zAPQreU1JRQeb-pYQCXbYmaEcpromrK5RmaUNVwzJXQ52hCygTPpJKX6CqlDSGkkQ2ZIL0OXYjhw2fA-bCD6nVcscqmylbffnTYh7HyY4bo7GCzH9-rrS2dt8M1uujtkODmN0_R2-PDevGMl6unl8V8iV05nTGjrJsJAtq1rHG8VdAyrS0DzazqpdaqZaonQnWltpJTKYXigrRKABXK8Sm6O_nuYvjcQ8pm65ODYbAjhH0yVPDCgVLJirQ5SV0MKUXozS76rY0HQ4k5wjIb8wfLHGEZokyBVTbnp00on3x5iCY5D6ODzseiN13w_3r8ANfQdXI</recordid><startdate>20131201</startdate><enddate>20131201</enddate><creator>Lee, Jonghyuk</creator><creator>Ju, Jeh Beck</creator><creator>Cho, Won Il</creator><creator>Cho, Byung Won</creator><creator>Oh, Si Hyoung</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20131201</creationdate><title>Todorokite-type MnO2 as a zinc-ion intercalating material</title><author>Lee, Jonghyuk ; Ju, Jeh Beck ; Cho, Won Il ; Cho, Byung Won ; Oh, Si Hyoung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-212d450e9cb27c3b8eb299a2e92a8f6998b28f058d699a6316658350b85e158c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Bearing</topic><topic>Cathode material</topic><topic>Charging</topic><topic>Crystal structure</topic><topic>Diffusion</topic><topic>Discharge</topic><topic>Electrodes</topic><topic>Intercalation</topic><topic>Manganese dioxide</topic><topic>Todorokite</topic><topic>Tunnels (transportation)</topic><topic>Zinc</topic><topic>Zinc-ion battery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Jonghyuk</creatorcontrib><creatorcontrib>Ju, Jeh Beck</creatorcontrib><creatorcontrib>Cho, Won Il</creatorcontrib><creatorcontrib>Cho, Byung Won</creatorcontrib><creatorcontrib>Oh, Si Hyoung</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Jonghyuk</au><au>Ju, Jeh Beck</au><au>Cho, Won Il</au><au>Cho, Byung Won</au><au>Oh, Si Hyoung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Todorokite-type MnO2 as a zinc-ion intercalating material</atitle><jtitle>Electrochimica acta</jtitle><date>2013-12-01</date><risdate>2013</risdate><volume>112</volume><spage>138</spage><epage>143</epage><pages>138-143</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><abstract>The structural and electrochemical properties of manganese dioxide with 3×3 tunnels bearing the crystallographic structure of the mineral todorokite were investigated for use as a new cathode material for zinc ion cells. 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| subjects | Bearing Cathode material Charging Crystal structure Diffusion Discharge Electrodes Intercalation Manganese dioxide Todorokite Tunnels (transportation) Zinc Zinc-ion battery |
| title | Todorokite-type MnO2 as a zinc-ion intercalating material |
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