Standard

Novel proton-conducting nanocomposites for hydrogen separation membranes. / Sadykov, V. A.; Bespalko, Yu N.; Krasnov, A. V. и др.

в: Solid State Ionics, Том 322, 01.09.2018, стр. 69-78.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Sadykov, VA, Bespalko, YN, Krasnov, AV, Skriabin, PI, Lukashevich, AI, Fedorova, YE, Sadovskaya, EM, Eremeev, NF, Krieger, TA, Ishchenko, AV, Belyaev, VD, Uvarov, NF, Ulihin, AS & Skovorodin, IN 2018, 'Novel proton-conducting nanocomposites for hydrogen separation membranes', Solid State Ionics, Том. 322, стр. 69-78. https://doi.org/10.1016/j.ssi.2018.05.003

APA

Sadykov, V. A., Bespalko, Y. N., Krasnov, A. V., Skriabin, P. I., Lukashevich, A. I., Fedorova, Y. E., Sadovskaya, E. M., Eremeev, N. F., Krieger, T. A., Ishchenko, A. V., Belyaev, V. D., Uvarov, N. F., Ulihin, A. S., & Skovorodin, I. N. (2018). Novel proton-conducting nanocomposites for hydrogen separation membranes. Solid State Ionics, 322, 69-78. https://doi.org/10.1016/j.ssi.2018.05.003

Vancouver

Sadykov VA, Bespalko YN, Krasnov AV, Skriabin PI, Lukashevich AI, Fedorova YE и др. Novel proton-conducting nanocomposites for hydrogen separation membranes. Solid State Ionics. 2018 сент. 1;322:69-78. doi: 10.1016/j.ssi.2018.05.003

Author

Sadykov, V. A. ; Bespalko, Yu N. ; Krasnov, A. V. и др. / Novel proton-conducting nanocomposites for hydrogen separation membranes. в: Solid State Ionics. 2018 ; Том 322. стр. 69-78.

BibTeX

@article{d2b1641fefe742ce8d5eb1f465fa236b,
title = "Novel proton-conducting nanocomposites for hydrogen separation membranes",
abstract = "Design of oxide and nanocomposite materials with high mixed protonic-electronic conductivity such as lanthanide niobates and tungstates is encouraging approach in developing hydrogen separation membranes. This work aims at elucidating the relation of structure, oxygen and protonic mobility of such materials. La0.99Ca0.01NbO4, LaNb3O9 and Nd5.5WO11.25−δ were synthesized by Pechini and citrate route. Nanocomposites with LaNb3O9 and Ni + Cu were prepared by ultrasonic dispersion or mechanical treatment in a high energy mill and wet impregnation, then sintered using conventional thermal sintering and hot pressing. All obtained materials were characterized using XRD, SEM, TEM with EDX analysis, IR and Raman spectroscopy. The oxygen and proton mobility were studied by isotope exchange, unit cell volume and weight relaxation techniques. The proton conductivity was studied by Van der Pauw technique. The main phases were scheelite for La0.99Ca0.01NbO4, perovskite for LaNb3O9 and fluorite for Nd5.5WO11.25−δ, extended defects were observed agreeing with IR and Raman spectroscopy data. The oxygen mobility studies revealed two types of bulk oxygen related to two phases in samples. D2O exchange studies demonstrated very fast protonic transport in samples. H2O desorption experiments revealed the working temperature range being 300–450 °C. The protonic conductivity values (~10−4 Ω−1 cm−1 at 400 °C) agree with the literature data and are sufficiently high for the practical application. Proton tracer and chemical diffusion coefficients values are ~10−11 and ~10−3 cm2/s at working temperatures, respectively. Successful test of proton conducting membrane with Nd5.5WO11.25−δ based functional layer showing promising performance has been carried out.",
keywords = "Hydrogen separation membranes, Protonic conductivity, Tungstates, PR, TRANSPORT-PROPERTIES, PERFORMANCE, LANTHANUM TUNGSTATE, HYDRATION, OXYGEN SELF-DIFFUSION, REACTOR, LA, CA, PERMEATION",
author = "Sadykov, {V. A.} and Bespalko, {Yu N.} and Krasnov, {A. V.} and Skriabin, {P. I.} and Lukashevich, {A. I.} and Fedorova, {Yu E.} and Sadovskaya, {E. M.} and Eremeev, {N. F.} and Krieger, {T. A.} and Ishchenko, {A. V.} and Belyaev, {V. D.} and Uvarov, {N. F.} and Ulihin, {A. S.} and Skovorodin, {I. N.}",
year = "2018",
month = sep,
day = "1",
doi = "10.1016/j.ssi.2018.05.003",
language = "English",
volume = "322",
pages = "69--78",
journal = "Solid State Ionics",
issn = "0167-2738",
publisher = "Elsevier Science B.V.",

}

RIS

TY - JOUR

T1 - Novel proton-conducting nanocomposites for hydrogen separation membranes

AU - Sadykov, V. A.

AU - Bespalko, Yu N.

AU - Krasnov, A. V.

AU - Skriabin, P. I.

AU - Lukashevich, A. I.

AU - Fedorova, Yu E.

AU - Sadovskaya, E. M.

AU - Eremeev, N. F.

AU - Krieger, T. A.

AU - Ishchenko, A. V.

AU - Belyaev, V. D.

AU - Uvarov, N. F.

AU - Ulihin, A. S.

AU - Skovorodin, I. N.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - Design of oxide and nanocomposite materials with high mixed protonic-electronic conductivity such as lanthanide niobates and tungstates is encouraging approach in developing hydrogen separation membranes. This work aims at elucidating the relation of structure, oxygen and protonic mobility of such materials. La0.99Ca0.01NbO4, LaNb3O9 and Nd5.5WO11.25−δ were synthesized by Pechini and citrate route. Nanocomposites with LaNb3O9 and Ni + Cu were prepared by ultrasonic dispersion or mechanical treatment in a high energy mill and wet impregnation, then sintered using conventional thermal sintering and hot pressing. All obtained materials were characterized using XRD, SEM, TEM with EDX analysis, IR and Raman spectroscopy. The oxygen and proton mobility were studied by isotope exchange, unit cell volume and weight relaxation techniques. The proton conductivity was studied by Van der Pauw technique. The main phases were scheelite for La0.99Ca0.01NbO4, perovskite for LaNb3O9 and fluorite for Nd5.5WO11.25−δ, extended defects were observed agreeing with IR and Raman spectroscopy data. The oxygen mobility studies revealed two types of bulk oxygen related to two phases in samples. D2O exchange studies demonstrated very fast protonic transport in samples. H2O desorption experiments revealed the working temperature range being 300–450 °C. The protonic conductivity values (~10−4 Ω−1 cm−1 at 400 °C) agree with the literature data and are sufficiently high for the practical application. Proton tracer and chemical diffusion coefficients values are ~10−11 and ~10−3 cm2/s at working temperatures, respectively. Successful test of proton conducting membrane with Nd5.5WO11.25−δ based functional layer showing promising performance has been carried out.

AB - Design of oxide and nanocomposite materials with high mixed protonic-electronic conductivity such as lanthanide niobates and tungstates is encouraging approach in developing hydrogen separation membranes. This work aims at elucidating the relation of structure, oxygen and protonic mobility of such materials. La0.99Ca0.01NbO4, LaNb3O9 and Nd5.5WO11.25−δ were synthesized by Pechini and citrate route. Nanocomposites with LaNb3O9 and Ni + Cu were prepared by ultrasonic dispersion or mechanical treatment in a high energy mill and wet impregnation, then sintered using conventional thermal sintering and hot pressing. All obtained materials were characterized using XRD, SEM, TEM with EDX analysis, IR and Raman spectroscopy. The oxygen and proton mobility were studied by isotope exchange, unit cell volume and weight relaxation techniques. The proton conductivity was studied by Van der Pauw technique. The main phases were scheelite for La0.99Ca0.01NbO4, perovskite for LaNb3O9 and fluorite for Nd5.5WO11.25−δ, extended defects were observed agreeing with IR and Raman spectroscopy data. The oxygen mobility studies revealed two types of bulk oxygen related to two phases in samples. D2O exchange studies demonstrated very fast protonic transport in samples. H2O desorption experiments revealed the working temperature range being 300–450 °C. The protonic conductivity values (~10−4 Ω−1 cm−1 at 400 °C) agree with the literature data and are sufficiently high for the practical application. Proton tracer and chemical diffusion coefficients values are ~10−11 and ~10−3 cm2/s at working temperatures, respectively. Successful test of proton conducting membrane with Nd5.5WO11.25−δ based functional layer showing promising performance has been carried out.

KW - Hydrogen separation membranes

KW - Protonic conductivity

KW - Tungstates

KW - PR

KW - TRANSPORT-PROPERTIES

KW - PERFORMANCE

KW - LANTHANUM TUNGSTATE

KW - HYDRATION

KW - OXYGEN SELF-DIFFUSION

KW - REACTOR

KW - LA

KW - CA

KW - PERMEATION

UR - http://www.scopus.com/inward/record.url?scp=85046736008&partnerID=8YFLogxK

U2 - 10.1016/j.ssi.2018.05.003

DO - 10.1016/j.ssi.2018.05.003

M3 - Article

AN - SCOPUS:85046736008

VL - 322

SP - 69

EP - 78

JO - Solid State Ionics

JF - Solid State Ionics

SN - 0167-2738

ER -

ID: 13360371