Sun, YK Lee, KH Moon, SI Oh, IH 2024-01-21T16:38:51Z 2024-01-21T16:38:51Z 2021-09-03 1998-10 0167-2738 https://pubs.kist.re.kr/handle/201004/142839 The spinel Li1.03Mn2O4 powders with a different crystallinity were synthesized by a sol-gel method from an aqueous solution of metal acetates containing glycolic acid as a chelating agent. The relation between physicochemical and electrochemical properties of the Li1.03Mn2O4 powders was studied. It was seen that as the calcination temperature increased, the lattice constant linearly increased whereas the average oxidation state of manganese linearly decreased, which resulted in an increase in crystallinity of the Li1.03Mn2O4 host. The capacity in the 4 V region Linearly increased with increasing the lattice constant of the cubic unit cell and decreasing the average oxidation state of manganese. The glycolic acid-assisted Li1.03Mn2O4 powders calcined at 800 degrees C have delivered a discharge capacity of 134 mAh/g and shown an excellent cyclability. (C) 1998 Elsevier Science B.V. All rights reserved. English ELSEVIER SCIENCE BV SOL-GEL METHOD LITHIUM SECONDARY LIMN2O4 CATHODE TEMPERATURE BATTERIES SYSTEM CELLS PHASE Effect of crystallinity on the electrochemical behaviour of spinel Li1.03Mn2O4 cathode materials Article 10.1016/S0167-2738(98)00235-5 1 SOLID STATE IONICS, v.112, no.3-4, pp.237 - 243 SOLID STATE IONICS 112 3-4 237 243 scie scopus 000077207700005 2-s2.0-0032182677 Chemistry, Physical Physics, Condensed Matter Chemistry Physics Article SOL-GEL METHOD LITHIUM SECONDARY LIMN2O4 CATHODE TEMPERATURE BATTERIES SYSTEM CELLS PHASE lithium secondary battery lithium manganese oxide sol-gel method chelating agent glycolic acid