Lithium germanate

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Crystal structure
No drawing available
General
Surname Lithium germanate
other names
  • Lithium metagermanate
  • Dilithium germanate
  • Lithium germanium oxide
Ratio formula Li 2 GeO 3
Brief description

white solid

External identifiers / databases
CAS number 12315-28-5
EC number 235-581-1
ECHA InfoCard 100.032.334
PubChem 13783483
ChemSpider 13242547
Wikidata Q4291502
properties
Molar mass 134.52 g mol −1
Physical state

firmly

density

3.53 g cm −3

Melting point

1239 ° C

solubility

practically insoluble in water

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lithium germanate is an inorganic chemical compound of lithium from the group of germanates .

Extraction and presentation

Lithium germanate can be obtained by reacting lithium carbonate with germanium dioxide at 850 ° C.

properties

Lithium germanate is a white solid that is practically insoluble in water. It has an orthorhombic crystal structure with the space group Cmc 2 1 (space group no. 36) . This is isotype with that of lithium metasilicate . Template: room group / 36

use

Lithium germanate can be used as an anode material for lithium-ion accumulators .

Individual evidence

  1. ↑ a b c George K. Schweitzer, Lester L. Pesterfield: The Aqueous Chemistry of the Elements . Oxford University Press, USA, 2010, ISBN 978-0-19-539335-4 , pp. 101 ( limited preview in Google Book search).
  2. ^ A b R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 534 ( limited preview in Google Book search).
  3. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  4. ^ BA Scott, KA Ingebrigtsen, CC Tseng: Crystal growth and properties of pyroelectric Li2GeO3. In: Materials Research Bulletin. 5, 1970, p. 1045, doi : 10.1016 / 0025-5408 (70) 90054-1 .
  5. ↑ H. Völlenkle, A. Wittmann: The crystal structure of Li2GeO3. In: Monthly books for chemistry - Chemical Monthly. 99, 1968, p. 244, doi : 10.1007 / BF00908925 .
  6. ↑ H. Völlenkle: Refinement of the crystal structures of Li2SiO3 and Li2GeO3. In: Journal of Crystallography - Crystalline Materials. 154, 1981, doi : 10.1524 / zkri.1981.154.14.77 .
  7. ↑ Md Mokhlesur Rahman, Irin Sultana a. a .: Lithium Germanate (Li2GeO3): A high-performance anode material for lithium-ion batteries. In: Angewandte Chemie International Edition. 55, 2016, p. 16059, doi : 10.1002 / anie.201609343 .