Growth and ionic conductivity of the A2TiGeO5 A=Na, Li) single crystals

Ivanov-Schitz, A. K.; Kireev, V. V.; Mel'Nikov, O. K.; Chaban, N. G.; Schoonman, J.

doi:10.1142/9789812791979_0023

Cited by 3 publications

(3 citation statements)

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“…In the last decade, the perovskite-type Li x La (2Àx)/3 TiO 3 has attracted interest due to its high Li + ionic conductivity at room temperature [3][4][5][6][7][8]. It is well known that the crystal structure of the Li x La (2Àx)/3 TiO 3 is based on the perovskite structure: Li + and La 3+ ions occupy the A-site, and Ti 4+ ions occupies the B-site [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Ionic conductivity of amorphous lithium lanthanum titanate thin film

et al. 2005

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Section: Introductionmentioning

confidence: 99%

Ionic conductivity of amorphous lithium lanthanum titanate thin film

et al. 2005

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“…The mists were supplied onto a heated substrate through a linear shaped nozzle, and the substrate was scanned for the formation of thin films with a certain area. This process is similar to the ultrasonic spray pyrolysis, or ultrasonic spray deposition processes [24,25]. However, the configuration in the mist CVD process is believed to allow the formation of thin films with uniform thickness [22,23].…”

Section: Introductionmentioning

confidence: 99%

Preparation of LiMn2O4 cathode thin films for thin film lithium secondary batteries by a mist CVD process

Tadanaga

Yamaguchi

Sakuda

et al. 2014

Materials Research Bulletin

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LiMn 2 O 4 cathode thin films for thin film lithium secondary batteries were prepared by using so-called the "mist CVD process", employing an aqueous solution of lithium acetate and manganese acetate, as the source of Li and Mn, respectively. The aqueous solution of starting materials was ultrasonically atomized to form mist particles, and mists were transferred by nitrogen gas to silica glass substrate to form thin films. FE-SEM observation revealed that thin films obtained by this process were dense and smooth, and thin films with a thickness of about 750 nm were obtained. The electrochemical cell with the thin films obtained by sintering at 700°C exhibited a capacity of about 80 mAh/g, and the cell showed good cycling performance during 10 cycles.

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“…Naturally most of the related works have been focused on the characterization, understanding or improvement of their ionic conductivity [3][4][5][6][7][8][9][10][11][12][13][14]. Their partial electronic conductivity is also an important property to characterize particularly against Li-activity for their application as electrolytes.…”

Section: Introductionmentioning

confidence: 99%

Partial Electronic Conductivity and Chemical Diffusivity of Li3xLa2/3?xTiO3 Solid Solution

Lee

Yoo

2005

J Electroceram

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Partial electronic conductivity and chemical diffusivity of Li have been measured on the system of Li 3x La 2/3−x TiO 3 (LLT) with x = 0.13, a prospective Li + electrolyte, against oxygen activity in the range of 10 −22 < a O 2 < 0.21 at 557 • , 610 • and 663 • C, respectively by an ion-blocking polarization technique. It is found that the electronic conductivity of LLT, which in air is essentially an ionic conductor, varies as a −1/4 O 2 to render it mixed-conductive in reducing atmospheres, say, in a O 2 < 10 −12 . The chemical diffusivity of component Li also increases from a value of the order of 10 −8 cm 2 /s in air atmosphere up to a maximum on the order of 10 −3 cm 2 /s as the electronic conductivity increases with decreasing oxygen activity. This is attributed to the variation of the electronic transference number and the thermodynamic factor with oxygen activity. The latter has been evaluated to be on the order of 10-10 3 .

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Growth and ionic conductivity of the A₂TiGeO₅ A=Na, Li) single crystals

Cited by 3 publications

References 0 publications

Ionic conductivity of amorphous lithium lanthanum titanate thin film

Ionic conductivity of amorphous lithium lanthanum titanate thin film

Preparation of LiMn2O4 cathode thin films for thin film lithium secondary batteries by a mist CVD process

Partial Electronic Conductivity and Chemical Diffusivity of Li3xLa2/3?xTiO3 Solid Solution

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