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  1. No Access

    Article

    Effect of Surface Modification with Cerium Oxide on the Transport Properties of Heterogeneous Anion Exchange Membranes MA-41

    Surface modification of heterogeneous MA-41 anion-exchange membranes with cerium oxide particles, including those with a surface functionalized with phosphoric acid groups, was carried out. The resulting compo...

    P. A. Yurova, I. A. Stenina, A. D. Manin… in Membranes and Membrane Technologies (2024)

  2. No Access

    Article

    Prospects for the Development of Hydrogen Energy. Polymer Membranes for Fuel Cells and Electrolyzers

    Due to the increased attention to hydrogen energy and the fact that many countries adopted the programs for its development, the question on the prospects for this area becomes relevant. Initially, Russian hyd...

    I. A. Stenina, A. B. Yaroslavtsev in Membranes and Membrane Technologies (2024)

  3. No Access

    Article

    Synthesis and Ionic Conductivity of Complex Phosphates Li1 + xTi1.8 – xFexGe0.2(PO4)3 with NASICON Structure

    Phosphates Li1 + xTi1.8 – xFexGe0.2(PO4)3 (x = 0.1–0.3) with the NASICON structure have been prepared and studied for the first time. It has been shown that co-do** with germanium and iron leads to significant ...

    I. A. Stenina, E. O. Taranchenko, A. B. Ilin… in Russian Journal of Inorganic Chemistry (2023)

  4. No Access

    Article

    Methanol Steam Reforming on Metal–Carbon Catalysts Having Different Carbon Supports

    We have studied Cu–Zn and Cu–Ni containing catalysts on carbon supports based on IR-pyrolyzed chitosan and detonation nanodiamond (DND) and assessed their activity for the methanol steam reforming process. All...

    E. Yu. Mironova, A. A. Payen-Lytkina, M. M. Ermilova, N. V. Orekhova… in Inorganic Materials (2023)

  5. Article

    Open Access

    Pore Filled Ion-Conducting Materials Based on Track-Etched Membranes and Sulfonated Polystyrene

    Synthesis of proton-conducting materials based on track-etched membranes from polyvinylidene fluoride and sulfonated cross-linked polystyrene is described. The synthesis has been carried out by filling the por...

    D. V. Golubenko, P. A. Yurova, A. V. Desyatov… in Membranes and Membrane Technologies (2022)

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    Article

    Effect of Sulfonation Conditions on Properties of Ion-Conducting Membranes Based on Polystyrene Grafted on Gamma-Irradiated Polyvinylidene Fluoride Films

    The process of heterogeneous sulfonation of a radiation-grafted copolymer of polystyrene and polyvinylidene fluoride depending on the reaction time and the type of sulfonating agent (chlorosulfonic acid or its...

    D. V. Golubenko, V. R. Malakhova, P. A. Yurova… in Membranes and Membrane Technologies (2022)

  7. No Access

    Article

    Composites Based on Lithium Titanate with Carbon Nanomaterials as Anodes for Lithium-Ion Batteries

    Lithium titanate composites with conducting additives are synthesized by the sol–gel method. As the conducting additives, carbon nanotubes (CNTs)—plain and heterosubstituted, graphene-like nanoflakes (CNFs), a...

    I. A. Stenina, T. L. Kulova, A. V. Desyatov… in Russian Journal of Electrochemistry (2022)

  8. No Access

    Article

    Electrochemical Properties of Composites Based on Lithium Titanate and Carbon Nanomaterials

    Composites based on lithium titanate Li4Ti5O12 with different contents (5–10 wt %) of carbon nanotubes (nanoflakes), including heterosubstituted ones, have been obtained by mechanochemical activation in a planeta...

    I. A. Stenina, A. N. Sobolev, T. L. Kulova… in Russian Journal of Inorganic Chemistry (2022)

  9. No Access

    Article

    Effect of High-Molecular-Weight Carbon Sources on the Electrochemical Properties of Li4Ti5O12/C Composite Materials

    Lithium titanate-based (Li4Ti5O12/C) composite anode materials have been synthesized by a sol–gel process with the use of high-molecular-weight compounds (polystyrene, polyethylene glycol, or polyvinylidene fluor...

    I. A. Stenina, A. N. Sobolev, T. L. Kulova, A. B. Yaroslavtsev in Inorganic Materials (2022)

  10. No Access

    Article

    Phase Formation and Ionic Conductivity of Na1 + 2xZnxZr2 – x(PO4)3 Phosphates

    Na1 + 2xZnxZr2 – x(PO4)3 phosphates have been prepared by a sol–gel process followed by heat treatment. A limited series (0 ≤ x ≤ 0.4) of solid solutions with the NASICON structure has been obtained in the system...

    V. Yu. Bedin, O. V. Kazachiner, E. A. Asabina, V. I. Pet’kov… in Inorganic Materials (2022)

  11. No Access

    Article

    MF-4SC Membranes Modified by Polyaniline for Potentiometric Determination of Saccharin and Sodium Ions in Aqueous Solutions

    MF-4SC membranes have been modified by polyaniline (PANI) with the oxidative polymerization method. The influence of the method of obtaining hybrid membranes and the content of PANI in them on the value of IEC...

    T. S. Titova, P. A. Yurova, V. A. Kuleshova… in Membranes and Membrane Technologies (2021)

  12. No Access

    Article

    Synthesis and Ionic Conductivity of Lithium Titanium Phosphate-Based Solid Electrolytes

    The processes occurring during the solid-state synthesis of germanium-doped lithium titanium phosphate have been studied. The formation of LiTi2 – xGex(PO4)3 has been shown to proceed through the titanium pyropho...

    E. A. Kurzina, I. A. Stenina, A. Dalvi, A. B. Yaroslavtsev in Inorganic Materials (2021)

  13. No Access

    Article

    LiFePO4/Carbon Nanomaterial Composites for Cathodes of High-Power Lithium Ion Batteries

    Using a simple and technological approach, we have fabricated composites based on a lithium iron phosphate (LFP) with the olivine structure and a carbon coating containing 5–10% carbon nanotubes (CNTs) or nano...

    I. A. Stenina, P. V. Minakova, T. L. Kulova, A. V. Desyatov… in Inorganic Materials (2021)

  14. No Access

    Article

    Synthesis and Ionic Conductivity of LiZr2(VO4)x(PO4)3 – x

    Vanadate phosphates LiZr2(VO4)x(PO4)3 – x are synthesized by the sol-gel technique with subsequent annealing and studied using X-ray diffraction analysis, IR spectroscopy, synchronous differential scanning calori...

    V. I. Pet’kov, A. S. Shipilov, D. G. Fukina… in Russian Journal of Electrochemistry (2021)

  15. No Access

    Article

    Improvement of ion conductivity and selectivity of heterogeneous membranes by sulfated zirconia modification

    Inorganic-organic composites based on the foil and standard RALEX® cation-exchange heterogeneous membranes (Mega a.s., Czech Republic) were prepared by in situ modification with sulfated zirconia (S-ZrO2). The co...

    I. A. Stenina, P. A. Yurova, L. Novak, A. R. Achoh… in Colloid and Polymer Science (2021)

  16. No Access

    Article

    Multisensory Systems Based on Nafion Membranes Modified by PEDOT for the Determination of Sulfacetamide in Aqueous Solutions and Pharmaceuticals

    Composite membrane materials based on Nafion-117 gradient modified by poly(3,4-ethylenedioxythiophene) (PEDOT) are prepared by in situ oxidative polymerization. 0.002 M and 0.01 M solutions of the monomer are ...

    T. S. Titova, P. A. Yurova, D. D. Evdokimova… in Membranes and Membrane Technologies (2020)

  17. No Access

    Article

    Influence of Mechanical Processing and the Procedure Used to Introduce a Carbon Material on the Electrochemical Properties of Li4Ti5O12/C Composites

    Li4Ti5O12/C anode materials of different particle size have been prepared by a sol–gel process, followed by mechanical processing in a planetary mill. Carbon was introduced both by an in situ process and by mecha...

    I. A. Stenina, A. N. Sobolev, A. A. Kuz’mina, T. L. Kulova… in Inorganic Materials (2020)

  18. No Access

    Article

    Potentiometric Sensors Based on Nafion Membranes Modified by PEDOT for Determining Procaine, Lidocaine, and Bupivacaine in Aqueous Solutions and Pharmaceuticals

    Hybrid materials based on perfluorinated sulfonic acid Nafion-type membranes and poly-3,4-ethylenedioxythiophene (PEDOT) with a gradient distribution of the latter along the film length were synthesized by in ...

    T. S. Titova, P. A. Yurova, T. S. Kolganova… in Journal of Analytical Chemistry (2020)

  19. No Access

    Article

    Dependence of the Transport Properties of Perfluorinated Sulfonated Cation-Exchange Membranes on Ion-Exchange Capacity

    The transport properties of ion-exchange membranes depend on many factors, primarily, on ion-exchange capacity and chemical composition. Therefore, the correlation of transport properties with a single particu...

    I. A. Prikhno, E. Yu. Safronova, I. A. Stenina… in Membranes and Membrane Technologies (2020)

  20. No Access

    Article

    Cathode Materials Based on Lithium Iron Phosphate/PEDOT Composites for Lithium-Ion Batteries

    Composites based on LiFePO4/C and poly(3,4-ethylenedioxythiophene) (LiFePO4/C/PEDOT) have been prepared via in situ oxidative EDOT polymerization or mechanical mixing of LiFePO4/C with presynthesized PEDOT partic...

    V. V. Ozerova, I. A. Stenina, A. A. Kuz’mina, T. L. Kulova… in Inorganic Materials (2020)

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