Novel proton-conducting layered perovskite based on BaLaInO4 with two different cations in B-sublattice: Synthesis, hydration, ionic (O2−, H+) conductivity

Тарасова, Н. А.; Галишева, А. О.; Анимица, И. Е.; Корона, Д. В.; Davletbaev, K.

doi:10.1016/j.ijhydene.2022.04.112

Cited by 24 publications

(9 citation statements)

References 68 publications

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“…The doped compositions based on a monolayer (n = 1) BaLaInO 4 composition can intercalate up to ~2 mol H 2 O per formula unit which is an order of magnitude higher than for acceptor-doped perovskites [ 34 , 35 ]. As previously shown, doped monolayer perovskites BaNdInO 4 [ 36 , 37 , 38 , 39 , 40 ], BaLaInO 4 [ 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 ] and SrLaInO 4 [ 49 , 50 , 51 , 52 , 53 ] are prospective ionic (oxygen-ionic and protonic) conductors. However, the acceptor doping in the A-sublattices of AA′BO 4 allows it to achieve higher conductivity values [ 34 , 35 ].…”

Section: Introductionmentioning

confidence: 92%

Novel High Conductive Ceramic Materials Based on Two-Layer Perovskite BaLa2In2O7

Tarasova

Галишева

Анимица

et al. 2022

IJMS

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The tasks of quality environmental improvement and the development of new energy sources are very relevant. Hydrogen-operating electrochemical devices are strongly needed innovative ceramic materials with target properties, one of which is a high level of proton conductivity. It this paper, the possibility of proton conductivity in acceptor-doped two-layer compositions based on BaLa2In2O7 was proved for the first time. It was proved that doping leads to an increase in conductivity values up to ⁓1.5 orders of magnitude. The most conductive is the BaLa1.9Sr0.1In2O6.95 composition which demonstrates protonic conductivity value 2 × 10–5 S/cm at 450 °C. The acceptor-doped two-layer perovskites is a novel prospective class of proton-conducting materials, and further modification of their composition opens up a new method for the design of electrochemical energy generation devices.

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Section: Introductionmentioning

confidence: 92%

Novel High Conductive Ceramic Materials Based on Two-Layer Perovskite BaLa2In2O7

Tarasova

Галишева

Анимица

et al. 2022

IJMS

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“…Layered perovskites with general formula AA′BO 4 where A is Ba or Sr, A′ is La or Nd, and B is In or Sc were described as ionic (oxygen-ionic and protonic) conductors in the past few years [ 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 ]. It was proved that doping in the cationic sublattices is the successful way for improving protonic conductivity up to ~1.5 orders.…”

Section: Introductionmentioning

confidence: 99%

“…However, isovalent doping shows even more meaningful results. Earlier, we reported about the possibility of isovalent doping of B-sublattice of layered perovskite BaLaInO 4 by the ions with different radii (Y, Sc) [ 54 , 55 , 56 ]. In this paper, we focused on the modification of BaLaInO 4 structure by the isovalent doping in the A (lanthanum) sublattice ( Figure 1 ).…”

Section: Introductionmentioning

confidence: 99%

Advanced Proton-Conducting Ceramics Based on Layered Perovskite BaLaInO4 for Energy Conversion Technologies and Devices

Tarasova

Галишева

2022

Materials

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Production of high efficiency renewable energy source for sustainable global development is an important challenge for humans. Hydrogen energy systems are one of the key elements for the development of sustainable energy future. These systems are eco-friendly and include devices such as protonic ceramic fuel cells, which require advanced proton-conducting materials. In this study, we focused on new ceramics with significantly improved target properties for hydrogen energy purposes. Neodymium-doped phase based on layered perovskite BaLaInO4 was obtained for the first time. The ability for water intercalation and proton transport was proved. It was shown that the composition BaLa0.9Nd0.1InO4 is the predominant proton conductor below 400 °C under wet air. Moreover, isovalent doping of layered perovskites AA′BO4 is the promising method for improving transport properties and obtaining novel advanced proton-conducting ceramic materials.

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“…Layered perovskites have many attractions due to their different target properties, including solar energy utilization task [ 21 , 22 , 23 , 24 ] and production energy from chemical reactions. In recent decades, layered perovskites based on BaLaInO 4 [ 25 , 26 , 27 , 28 , 29 , 30 ], SrLaInO 4 [ 31 , 32 , 33 , 34 , 35 ], BaNdInO 4 [ 36 , 37 , 38 , 39 , 40 , 41 ], BaNdScO 4 [ 42 ] have been investigated as mixed ionic/electronic and protonic conductors. Features such as the crystal structure of these compositions define their prospective transport properties.…”

Section: Introductionmentioning

confidence: 99%

Proton Transport in the Gadolinium-Doped Layered Perovskite BaLaInO4

2022

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Materials capable for use in energy generation have been actively investigated recently. Thermoelectrics, photovoltaics and electronic/ionic conductors are considered as a part of the modern energy system. Layered perovskites have many attractions, as materials with high conductivity. Gadolinium-doped layered perovskite BaLaInO4 was obtained and investigated for the first time. The high values of conductivity were proved. The composition BaLa0.9Gd0.1InO4 demonstrates predominantly protonic transport under wet air and low temperatures (<400 °C). The doping by rare earth metals of layered perovskite is a prospective method for significantly improving conductivity.

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Novel proton-conducting layered perovskite based on BaLaInO4 with two different cations in B-sublattice: Synthesis, hydration, ionic (O2−, H+) conductivity

Cited by 24 publications

References 68 publications

Novel High Conductive Ceramic Materials Based on Two-Layer Perovskite BaLa2In2O7

Novel High Conductive Ceramic Materials Based on Two-Layer Perovskite BaLa2In2O7

Advanced Proton-Conducting Ceramics Based on Layered Perovskite BaLaInO4 for Energy Conversion Technologies and Devices

Proton Transport in the Gadolinium-Doped Layered Perovskite BaLaInO4

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