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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Electrochemical extraction of lithium from LiMn
2
O
4
Materials Research Bulletin, Volume 19, No. 2, Year 1984
Notification
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Description
Lithium has been removed electrochemically at 15 μA/cm2 from LiMn2O4 (spinel) to yield single phase Li1-xMn2O4 for 0 < × ≤ 0.60. The electrochemical curve suggests that beyond x = 0.60 an electrochemical process other than lithium extraction occurs. Powder X-ray-diffraction spectra indicate that during the extraction process the [Mn2]O4 framework of the spinel structure remains intact. Previous results have shown that 1.2 Li+ ions can also be inserted into LiMn2O4, which suggests that lithium may be cycled in and out of the [Mn2]O4 framework of the spinel structure over a wide range of x, at least from Li0.4Mn2O4 to Li2Mn2O4. Discussion of the mechanism of formation of λ-MnO2 in an acidic environment is extended. © 1984.
Authors & Co-Authors
Thackeray, Michaelm M.
South Africa, Pretoria
The Council for Scientific and Industrial Research
Johnson, P. J.
South Africa, Pretoria
The Council for Scientific and Industrial Research
de Picciotto, L. A.
South Africa, Pretoria
The Council for Scientific and Industrial Research
Bruce, Peter G.
United Kingdom, Oxford
University of Oxford
Goodenough, John B.
United Kingdom, Oxford
University of Oxford
Statistics
Citations: 791
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1016/0025-5408(84)90088-6
ISSN:
00255408