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DC Field | Value | Language |
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dc.citation.endPage | 2212 | - |
dc.citation.number | 2 | - |
dc.citation.startPage | 2203 | - |
dc.citation.title | ACS NANO | - |
dc.citation.volume | 9 | - |
dc.contributor.author | Choi, Sinho | - |
dc.contributor.author | Kim, Jieun | - |
dc.contributor.author | Choi, Nam-Soon | - |
dc.contributor.author | Kim, Min Gyu | - |
dc.contributor.author | Park, Soojin | - |
dc.date.accessioned | 2023-12-22T01:39:56Z | - |
dc.date.available | 2023-12-22T01:39:56Z | - |
dc.date.created | 2015-03-24 | - |
dc.date.issued | 2015-02 | - |
dc.description.abstract | Nanostructured germanium is a promising material for high-performance energy storage devices. However, synthesizing it in a cost-effective and simple manner on a large scale remains a significant challenge. Herein, we report a redox-transmetalation reaction-based route for the large-scale synthesis of mesoporous germanium particles from germanium oxide at temperatures of 420-600 °C. We could confirm that a unique redox-transmetalation reaction occurs between Zn0 and Ge4+ at approximately 420 °C using temperature-dependent in situ X-ray absorption fine structure analysis. This reaction has several advantages, which include (i) the successful synthesis of germanium particles at a low temperature (∼450 °C), (ii) the accommodation of large volume changes, owing to the mesoporous structure of the germanium particles, and (iii) the ability to synthesize the particles in a cost-effective and scalable manner, as inexpensive metal oxides are used as the starting materials. The optimized mesoporous germanium anode exhibits a reversible capacity of ∼1400 mA h g-1 after 300 cycles at a rate of 0.5 C (corresponding to the capacity retention of 99.5%), as well as stable cycling in a full cell containing a LiCoO2cathode with a high energy density (charge capacity = 286.62 mA h cm-3) | - |
dc.identifier.bibliographicCitation | ACS NANO, v.9, no.2, pp.2203 - 2212 | - |
dc.identifier.doi | 10.1021/acsnano.5b00389 | - |
dc.identifier.issn | 1936-0851 | - |
dc.identifier.scopusid | 2-s2.0-84923444580 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/10987 | - |
dc.identifier.url | http://pubs.acs.org/doi/abs/10.1021/acsnano.5b00389 | - |
dc.identifier.wosid | 000349940500117 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Cost-effective scalable synthesis of mesoporous germanium particles via a redox-transmetalation reaction for high-performance energy storage devices | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary | - |
dc.relation.journalResearchArea | Chemistry; Science & Technology - Other Topics; Materials Science | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | energy storage devices | - |
dc.subject.keywordAuthor | germanium anode | - |
dc.subject.keywordAuthor | mesoporous germanium | - |
dc.subject.keywordAuthor | redox-transmetalation | - |
dc.subject.keywordAuthor | zincothermic reduction | - |
dc.subject.keywordPlus | GE-AT-C | - |
dc.subject.keywordPlus | ION-BATTERY ANODES | - |
dc.subject.keywordPlus | LITHIUM-ION | - |
dc.subject.keywordPlus | HIGH-CAPACITY | - |
dc.subject.keywordPlus | NANOWIRE ANODES | - |
dc.subject.keywordPlus | ELECTRODES | - |
dc.subject.keywordPlus | CHALLENGES | - |
dc.subject.keywordPlus | GRAPHENE | - |
dc.subject.keywordPlus | SI | - |
dc.subject.keywordPlus | NANOSTRUCTURES | - |
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