Bio-templated synthesis of lithium manganese oxide microtubes and their application in Li+ recovery

Qianqian Yu, Keiko Sasaki, Tsuyoshi Hirajima

研究成果: ジャーナルへの寄稿記事

24 引用 (Scopus)

抄録

Microbial transformations, a primary pathway for the Mn oxides formation in nature, provide potential for material-oriented researchers to fabricate new materials. Using Mn oxidizing fungus Paraconiothyrium sp. WL-2 as a bio-oxidizer as well as a bio-template, a special lithium ion sieve with microtube morphology was prepared through a solid-state transformation. Varying the calcination temperature from 300 to 700°C was found to influence sample properties and consequently, the adsorption of Li+. Lithium manganese oxide microtube (LMO-MTs) calcined at different temperatures as well as their delithiated products (HMO-MTs) were characterized by X-ray diffraction (XRD), X-ray absorption fine structure (XAFS) spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Calcination temperatures affect not only the content but also the crystal structure of LMO spinel, which is important in Li+ adsorption. The optimized sample was obtained after calcination at 500°C for 4h, which shows higher Li+ adsorption capacity than particulate materials.

元の言語英語
ページ(範囲)38-47
ページ数10
ジャーナルJournal of Hazardous Materials
262
DOI
出版物ステータス出版済み - 11 5 2013

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Manganese oxide
manganese oxide
Biosynthesis
lithium
Calcination
Adsorption
Lithium
adsorption
Recovery
Temperature
X ray absorption fine structure spectroscopy
Health Maintenance Organizations
Sieves
temperature
Fungi
Transmission Electron Microscopy
X-Ray Diffraction
crystal structure
Electron Scanning Microscopy
spinel

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

これを引用

Bio-templated synthesis of lithium manganese oxide microtubes and their application in Li+ recovery. / Yu, Qianqian; Sasaki, Keiko; Hirajima, Tsuyoshi.

:: Journal of Hazardous Materials, 巻 262, 05.11.2013, p. 38-47.

研究成果: ジャーナルへの寄稿記事

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