Cation exchange properties of LiTi[sub 2](PO[sub 4])[sub 3] and synthesis of its microporous materials via glass
Journal Article
·
· Journal of the Electrochemical Society; (United States)
- Nagoya Inst. of Tech. (Japan)
Lithium titanium phosphate LiTi[sub 2](PO[sub 4])[sub 3] has been found to have excellent cation-exchange properties. Lithium ions readily exchange with Na[sup +] and Ag[sup +] at room temperature but do not with other monovalent ions and divalent ions. Bulk microporous ceramics composed of a skeleton of LiTi[sub 2](PO[sub 4])[sub 3] and continuous pores have been prepared by a controlled crystallization of glasses in the pseudobinary LiTi[sub 2](PO[sub 4])[sub 3] Ca[sub 3](PO[sub 4])[sub 2] system and subsequent leaching of Ca[sub 3](PO[sub 4])[sub 2] phases with acids. The resulting porous LiTi[sub 2](PO[sub 4])[sub 3] ceramics have a porosity of [approximately]45 volume percent, a median pore diameter of 60 nm (full width at half maximum of the pore size distribution [approximately] 30 nm), and a specific surface area of [approximately]30 m[sup 2]. This is the first cation exchangeable material fabricated via glass-ceramic process, to the authors knowledge.
- OSTI ID:
- 6539522
- Journal Information:
- Journal of the Electrochemical Society; (United States), Journal Name: Journal of the Electrochemical Society; (United States) Vol. 140:1; ISSN JESOAN; ISSN 0013-4651
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CERAMICS
CHEMICAL PREPARATION
COHERENT SCATTERING
CRYSTAL STRUCTURE
DATA
DIFFRACTION
ELECTRON MICROSCOPY
ENGINEERING
ENVIRONMENTAL ENGINEERING
EXPERIMENTAL DATA
GLASS
INFORMATION
ION EXCHANGE MATERIALS
LITHIUM COMPOUNDS
LITHIUM PHOSPHATES
MATERIALS
MICROSCOPY
MICROSTRUCTURE
NUMERICAL DATA
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
POROSITY
SCANNING ELECTRON MICROSCOPY
SCATTERING
SURFACE AREA
SURFACE PROPERTIES
SYNTHESIS
TITANIUM COMPOUNDS
TITANIUM PHOSPHATES
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CERAMICS
CHEMICAL PREPARATION
COHERENT SCATTERING
CRYSTAL STRUCTURE
DATA
DIFFRACTION
ELECTRON MICROSCOPY
ENGINEERING
ENVIRONMENTAL ENGINEERING
EXPERIMENTAL DATA
GLASS
INFORMATION
ION EXCHANGE MATERIALS
LITHIUM COMPOUNDS
LITHIUM PHOSPHATES
MATERIALS
MICROSCOPY
MICROSTRUCTURE
NUMERICAL DATA
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
POROSITY
SCANNING ELECTRON MICROSCOPY
SCATTERING
SURFACE AREA
SURFACE PROPERTIES
SYNTHESIS
TITANIUM COMPOUNDS
TITANIUM PHOSPHATES
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION