About: 6Li MAS NMR Study of Lithium Insertion into Hydrothermally Prepared Li-Ti-O Spinel     Goto   Sponge   NotDistinct   Permalink

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Description
  • Open circuit measurement and 6Li magic-angle spinning (MAS) NMR spectroscopy were used to study Li coordination in partly reduced Li1.1 Ti1.9 O4 +d spinels prepared by hydrothermal reaction. The reduced spinels show four different Li sites. Signals at -0.2 and 0.3 ppm correspond to Li in 16d and 8a positions. The signal at 0.9 ppm corresponds to a tetrahedrally coordinated Li and represents the primary site for the inserted lithium. The signal at -0.7 ppm appears simultaneously with a decrease of the population of Li in 8a position and indicates a local phase transition connected with ordering of Li into 16c positions.
  • Open circuit measurement and 6Li magic-angle spinning (MAS) NMR spectroscopy were used to study Li coordination in partly reduced Li1.1 Ti1.9 O4 +d spinels prepared by hydrothermal reaction. The reduced spinels show four different Li sites. Signals at -0.2 and 0.3 ppm correspond to Li in 16d and 8a positions. The signal at 0.9 ppm corresponds to a tetrahedrally coordinated Li and represents the primary site for the inserted lithium. The signal at -0.7 ppm appears simultaneously with a decrease of the population of Li in 8a position and indicates a local phase transition connected with ordering of Li into 16c positions. (en)
  • Koordinace Li v částečně redukovaných Li1.1Ti1.9O4+? připraveným hydrothermální reakcí byla studována pomocí 6Li MAS NMR spektroskopie. Redukované spinely vykazují čtyři různé signály lithia. Signály charakterizované chemickým posunem -0.2 a 0.3 ppm odpovídají lithiu v pozicích typu 16a a 8a. Signál u 0.9 ppm odpovídá tetraedricky koordinovanému Li a představuje primární pozici pro lithium vstupující do struktury během redukce. Signál u -0.7 ppm se objevuje současně s poklesem populave Li v pozici 8a indikuje fázový přechod lokálního charakteru, který je spojen s uspořádáváním Li v pozici typu 16c. (cs)
Title
  • 6Li MAS NMR Study of Lithium Insertion into Hydrothermally Prepared Li-Ti-O Spinel
  • 6Li MAS NMR Study of Lithium Insertion into Hydrothermally Prepared Li-Ti-O Spinel (en)
  • Inzerce lithia do hydrothermálně připraveného Li-Ti-O spinelu - 6Li MAS NMR studie (cs)
skos:prefLabel
  • 6Li MAS NMR Study of Lithium Insertion into Hydrothermally Prepared Li-Ti-O Spinel
  • 6Li MAS NMR Study of Lithium Insertion into Hydrothermally Prepared Li-Ti-O Spinel (en)
  • Inzerce lithia do hydrothermálně připraveného Li-Ti-O spinelu - 6Li MAS NMR studie (cs)
skos:notation
  • RIV/61388955:_____/04:00101077!RIV/2005/AV0/A54005/N
http://linked.open.../vavai/riv/strany
  • A163;A166
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA203/03/0823), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika
  • 7
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 596729
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/04:00101077
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • lithium insertion; spinel; NMR (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [A37E1039AE56]
http://linked.open...i/riv/nazevZdroje
  • Electrochemical and Solid-State Letters
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 7
http://linked.open...iv/tvurceVysledku
  • Dědeček, Jiří
  • Brus, Jiří
  • Krtil, Petr
  • Kostlánová, Tereza
http://linked.open...n/vavai/riv/zamer
issn
  • 1099-0062
number of pages
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