Technological Applications of Solid Electrolytes

Jagannathan, Kamakshi; Tiku, S. K.; Ray, H. S.; Ghosh, Anish; Subbarao, E. C.

doi:10.1007/978-1-4613-3081-3_6

Cited by 28 publications

(9 citation statements)

References 88 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Zirconia, one of the most promising ceramics, has been extensively studied due to its favorable structural, biocompatibility and electrical properties that make it suitable for dental and oxygen sensing applications 1,2 . At normal temperature, pure zirconium dioxide exhibits a monoclinic crystal structure.…”

Section: Introductionmentioning

confidence: 99%

Oxide Ion Conductivity of Mechanically produced Calcia Stabilised Zirconia for Oxygen Sensing Applications

Kannan

Singh²,

Прасад³

2022

Mat. Res.

View full text Add to dashboard Cite

Cryo-milling was used to make calcia stabilized zirconia (CSZ) powders with 9 mol%, 12 mol%, and 15 mol% of calcia. Powder X-ray diffraction was done to examine the phase growth in prepared powders over the course of 80h of mechanical alloying (MA) in cryogenic environment at 300rpm. The calcined powders were hydraulically pressed into cylindrical shaped sensor elements in a uniaxial press and then sintered for 4h at 1400°C. The microstructure of sintered pellets were studied using Scanning Electron Microscope (SEM). Electrical Conductivity measurements of the prepared stabilized zirconia at various temperatures over a temperature range of 200°C to 500°C using a dualprobe impedance analyzer is carried out and the effects of composition and temperature on the grain boundary impedance of CSZ were analyzed. Conductivity is discussed in terms of ionic vacancies in the bulk due to calcium ion substitution and available grain boundary paths. Ionic Conductivity of prepared CSZ is compared for suitability in oxygen sensing applications.

show abstract

Section: Introductionmentioning

confidence: 99%

Oxide Ion Conductivity of Mechanically produced Calcia Stabilised Zirconia for Oxygen Sensing Applications

Kannan

Singh²,

Прасад³

2022

Mat. Res.

View full text Add to dashboard Cite

show abstract

“…Oxide ion ceramic solid electrolytes find uses in many commercial devices, e.g., solid oxide fuel cells (SOFCs), oxygen sensors, and oxygen electrochemical pumps [1][2][3][4][5][6]. The most important ceramic solid electrolyte is the cubic fully stabilized zirconia ZrO 2 : 8 mol% Y 2 O 3 (8YSZ), which is a component of SOFCs with 0.01 S cm −1 electrical conductivity at 800 • C to ensure high power densities [7].…”

Section: Introductionmentioning

confidence: 99%

Enhancement of the Ionic Conductivity in Electric Field-Assisted Pressureless Sintered BITIVOX Solid Electrolytes

et al. 2019

View full text Add to dashboard Cite

Bi 4 V 1.8 Ti 0.2 O 11 (BITIVOX) ceramic pellets, prepared with powders obtained by a sol gel technique, were sintered either conventionally at 800 • C/8 h or by applying an AC electric voltage, limiting the electric current through the pellets. Electric voltages were applied isothermally at 700 • C and 800 • C during 5 min in the green pellet positioned in the sample holder of a dilatometer for monitoring thickness variation. The BITIVOX pellets shrank 13.6% after applying 200 V cm −1 at 800 • C and 10.4% heating to 800 • C for 8 h. Thermal analysis and X-ray diffraction of the powders were performed to evaluate the crystallization temperature and the structural phase, respectively. The electrical behavior of the sintered BITIVOX pellets was analyzed by the impedance spectroscopy technique, showing that the sample flash sintered at 800 • C/5 min had lower bulk resistivity than the sample conventionally sintered at 800 • C/8 h. The surfaces of the sintered pellets were observed in a scanning electron microscope showing similar grain sizes and pore content in all sintered samples.

show abstract

“…Z irconia (ZrO 2 ) technology for sensors has been very successful in the market place, and it has pushed forward the development of solid oxide fuel cell materials. One of the major commercial success of ZrO 2 as electrolyte/solid‐state ionics in the last century and till today has been its ubiquitous use as exhaust sensors in almost every automobile worldwide, besides its applications in other devices 1–3 . The main difference is that the power output of the sensor is low so partially stabilized ZrO 2 can be used as an electrolyte.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Fully Cubic Calcium‐Stabilized Zirconia With 10 mol% Calcium Oxide Dopant Concentration by Microwave Processing

Singh¹,

Kaur²,

Kumar³

et al. 2007

Journal of the American Ceramic Society

View full text Add to dashboard Cite

A novel, fast, and cheaper method has been developed for the synthesis of fully cubic calcium-stabilized zirconia (ZrO 2 ) of composition Ca 0.1 Zr 0.9 O 1.9 by dissolution of calcium oxide in monoclinic ZrO 2 for the first time using microwave energy. In this process, the precursors have been prepared by the mixedoxide method taking the constituents in their stoichiometric ratio. The samples have been allowed to absorb microwave radiation in the presence of a polymeric susceptor. The susceptor absorbs the microwave radiation at room temperature and increases the temperature of the sample, where it starts interacting with microwave radiation. The susceptor burns off at a higher temperature without reacting with the sample. The cubic Ca 0.1 Zr 0.9 O 1.9 has been prepared at a temperature of 11001C within 5 min.D. Agarwal-contributing editor

show abstract

Technological Applications of Solid Electrolytes

Cited by 28 publications

References 88 publications

Oxide Ion Conductivity of Mechanically produced Calcia Stabilised Zirconia for Oxygen Sensing Applications

Oxide Ion Conductivity of Mechanically produced Calcia Stabilised Zirconia for Oxygen Sensing Applications

Enhancement of the Ionic Conductivity in Electric Field-Assisted Pressureless Sintered BITIVOX Solid Electrolytes

Preparation of Fully Cubic Calcium‐Stabilized Zirconia With 10 mol% Calcium Oxide Dopant Concentration by Microwave Processing

Contact Info

Product

Resources

About