ioniccond_lect26

Spiceorjpfishersofchtml schematic of rechargable li

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Unformatted text preview: e Chemistry Taken from http://www.spice.or.jp/~fisher/sofc.html Schematic of Rechargable Li Battery Taken from A. Manthiram & J. Kim "Low Temperature Synthesis of Insertion Oxides for Lithium Batteries", Chem. Mater. 10, 2895-2909 (1998). 10, 2895- Chem 754 - Solid State Chemistry 5 Solid Electrolyte Materials Ag+ Ion Conductors Na+ Ion Conductors Li+ Ion Conductors LiCoO2, LiNiO2 LiMnO2 AgI & RbAg4I5 Sodium -Alumina (i.e. NaAl11O17, Na2Al16O25) NASICON (Na3Zr2PSi2O12) O2- Ion Conductors F- Ion Conductors Cubic stabilized ZrO2 (YxZr1-xO2-x/2, CaxZr1-xO2-x) -Bi2O3 Defect Perovskites (Ba2In2O5, La1-xCaxMnO3-y, ...) PbF2 & AF2 (A = Ba, Sr, Ca) Ba, Sr, Chem 754 - Solid State Chemistry Stabilized ZrO2 is not a good ionic conductor at low temperature. -AgI & RbAg4I5 have ionic conductivities comparable to conc. H2SO4 Chem 754 - Solid Taken from "Solid State Chemistry and it's Applications"State Chemistry by Anthony West 6 General Characteristics: Solid Electrolytes 1. A large number of the ions of one species should be mobile. This requires a large number of empty sites, either vacancies or accessible interstitial sites. Empty sites are needed for ions to move through the lattice. 2. The empty and occupied sites should have similar potential energies with a low activation energy b...
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This note was uploaded on 06/11/2011 for the course CHEM 101 taught by Professor Stegemiller during the Spring '07 term at Ohio State.

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