Germanium nanowires-based carbon composite as anodes for lithium-ion batteries
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| Title: | Germanium nanowires-based carbon composite as anodes for lithium-ion batteries |
|---|---|
| Authors: | Tan, Li Ping1, Lu, Ziyang1, Tan, Hui Teng1, Zhu, Jixin1, Rui, Xianhong1,2, Yan, Qingyu1,3, Hng, Huey Hoon1,3 ashhhng@ntu.edu.sg |
| Source: | Journal of Power Sources. May2012, Vol. 206, p253-258. 6p. |
| Subjects: | Lithium-ion batteries, Germanium, Nanowires, Carbon composites, Energy storage, Current density (Electromagnetism), Electric potential |
| Abstract: | Abstract: Lithium-ion batteries have been actively researched in recent years due to it being one of the most promising energy storage systems. Herein, we report a novel approach where germanium nanowires (Ge NW) are grown in gold-seeded porous carbon via the solution–liquid–solid mechanism, and the corresponding improvement observed in terms of the specific capacity of this porous carbon–germanium nanowires (PC–Ge NW) composite anode. At a current density of 160mAg−1 and voltage window of 0.001–1.5V, a specific capacity of 789mAhg−1 during the 50th cycle for PC–Ge NW is achieved as compared to 624mAhg−1 during the 50th cycle for pure Ge NW. Even though the content of the Ge is only 53.5 weight percent in the PC–Ge NW composite, it yields a better stability and higher specific capacity, indicating a synergistic effect between porous carbon and Ge nanowires. There is also potential cost savings since the use of a lower amount of Ge can bring about good cycling properties. [Copyright &y& Elsevier] |
| Copyright of Journal of Power Sources is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 73338971 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Germanium nanowires-based carbon composite as anodes for lithium-ion batteries – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Tan%2C+Li+Ping%22">Tan, Li Ping</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lu%2C+Ziyang%22">Lu, Ziyang</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Tan%2C+Hui+Teng%22">Tan, Hui Teng</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Jixin%22">Zhu, Jixin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Rui%2C+Xianhong%22">Rui, Xianhong</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Yan%2C+Qingyu%22">Yan, Qingyu</searchLink><relatesTo>1,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Hng%2C+Huey+Hoon%22">Hng, Huey Hoon</searchLink><relatesTo>1,3</relatesTo><i> ashhhng@ntu.edu.sg</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Power+Sources%22">Journal of Power Sources</searchLink>. May2012, Vol. 206, p253-258. 6p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Germanium%22">Germanium</searchLink><br /><searchLink fieldCode="DE" term="%22Nanowires%22">Nanowires</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+composites%22">Carbon composites</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br /><searchLink fieldCode="DE" term="%22Current+density+%28Electromagnetism%29%22">Current density (Electromagnetism)</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+potential%22">Electric potential</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Abstract: Lithium-ion batteries have been actively researched in recent years due to it being one of the most promising energy storage systems. Herein, we report a novel approach where germanium nanowires (Ge NW) are grown in gold-seeded porous carbon via the solution–liquid–solid mechanism, and the corresponding improvement observed in terms of the specific capacity of this porous carbon–germanium nanowires (PC–Ge NW) composite anode. At a current density of 160mAg−1 and voltage window of 0.001–1.5V, a specific capacity of 789mAhg−1 during the 50th cycle for PC–Ge NW is achieved as compared to 624mAhg−1 during the 50th cycle for pure Ge NW. Even though the content of the Ge is only 53.5 weight percent in the PC–Ge NW composite, it yields a better stability and higher specific capacity, indicating a synergistic effect between porous carbon and Ge nanowires. There is also potential cost savings since the use of a lower amount of Ge can bring about good cycling properties. [Copyright &y& Elsevier] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Power Sources is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.jpowsour.2011.12.064 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 253 Subjects: – SubjectFull: Lithium-ion batteries Type: general – SubjectFull: Germanium Type: general – SubjectFull: Nanowires Type: general – SubjectFull: Carbon composites Type: general – SubjectFull: Energy storage Type: general – SubjectFull: Current density (Electromagnetism) Type: general – SubjectFull: Electric potential Type: general Titles: – TitleFull: Germanium nanowires-based carbon composite as anodes for lithium-ion batteries Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Tan, Li Ping – PersonEntity: Name: NameFull: Lu, Ziyang – PersonEntity: Name: NameFull: Tan, Hui Teng – PersonEntity: Name: NameFull: Zhu, Jixin – PersonEntity: Name: NameFull: Rui, Xianhong – PersonEntity: Name: NameFull: Yan, Qingyu – PersonEntity: Name: NameFull: Hng, Huey Hoon IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 05 Text: May2012 Type: published Y: 2012 Identifiers: – Type: issn-print Value: 03787753 Numbering: – Type: volume Value: 206 Titles: – TitleFull: Journal of Power Sources Type: main |
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