In situ X-ray diffraction investigation of the evolution of a nanocrystalline lithium-ion sieve from biogenic manganese oxide

Qianqian Yu, Keiko Sasaki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Microbial catalysis, a primary pathway for the generation of Mn oxides in most natural environments, provides potential to fabricate new materials. A microtube-type lithium manganese oxide (LMO-MT) was synthesized through a solid-state transformation using Mn-oxidizing fungus, Paraconiothyrium sp. WL-2. Compared with abiotic precursors, the lithium-ion sieve microtube (HMO-MT) showed better performance for Li+ recovery. In order to clarify the formation process of LMO-MTs, in situ high-temperature X-ray diffraction was used to compare with three synthetic references. The effects of calcination temperature on crystal phase, composition, particle size and lattice parameters of the LMO-MTs were systematically discussed. It was found that the poorly crystalline structure of biogenic precursor as well as high content of organic matter facilitated the formation of highly crystalline LMO-MTs at low temperature. The unique structural properties of LMO-MTs, including high crystallinity and small lattice constant, are attributed to the high Li+ sorption capacity of HMO-MTs. 2014 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)253-258
Number of pages6
JournalHydrometallurgy
Volume150
DOIs
Publication statusPublished - Jan 1 2014

Fingerprint

Manganese oxide
Sieves
Lithium
Ions
X ray diffraction
Lattice constants
Crystalline materials
Fungi
Phase composition
Biological materials
Calcination
Temperature
Oxides
Catalysis
Sorption
Structural properties
Particle size
Recovery
Crystals
manganese oxide

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

In situ X-ray diffraction investigation of the evolution of a nanocrystalline lithium-ion sieve from biogenic manganese oxide. / Yu, Qianqian; Sasaki, Keiko.

In: Hydrometallurgy, Vol. 150, 01.01.2014, p. 253-258.

Research output: Contribution to journalArticle

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AB - Microbial catalysis, a primary pathway for the generation of Mn oxides in most natural environments, provides potential to fabricate new materials. A microtube-type lithium manganese oxide (LMO-MT) was synthesized through a solid-state transformation using Mn-oxidizing fungus, Paraconiothyrium sp. WL-2. Compared with abiotic precursors, the lithium-ion sieve microtube (HMO-MT) showed better performance for Li+ recovery. In order to clarify the formation process of LMO-MTs, in situ high-temperature X-ray diffraction was used to compare with three synthetic references. The effects of calcination temperature on crystal phase, composition, particle size and lattice parameters of the LMO-MTs were systematically discussed. It was found that the poorly crystalline structure of biogenic precursor as well as high content of organic matter facilitated the formation of highly crystalline LMO-MTs at low temperature. The unique structural properties of LMO-MTs, including high crystallinity and small lattice constant, are attributed to the high Li+ sorption capacity of HMO-MTs. 2014 Elsevier B.V. All rights reserved.

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