A5040861952- Advancements in Battery Materials
- Advanced Condensed Matter Physics
- Magnetic and transport properties of perovskites and related materials
- Advanced Battery Materials and Technologies
- Physics of Superconductivity and Magnetism
- Crystal Structures and Properties
- Multiferroics and related materials
- Advanced Battery Technologies Research
- Inorganic Chemistry and Materials
- Electronic and Structural Properties of Oxides
- Ferroelectric and Piezoelectric Materials
- Inorganic Fluorides and Related Compounds
- Extraction and Separation Processes
- Microwave Dielectric Ceramics Synthesis
- Chemical Synthesis and Characterization
- Advancements in Solid Oxide Fuel Cells
- Iron-based superconductors research
- X-ray Diffraction in Crystallography
- High-pressure geophysics and materials
- Catalysis and Oxidation Reactions
- Rare-earth and actinide compounds
- Transition Metal Oxide Nanomaterials
- Nuclear materials and radiation effects
- Advanced battery technologies research
- Polyoxometalates: Synthesis and Applications
Lomonosov Moscow State University
2015-2024
Skolkovo Institute of Science and Technology
2018-2024
Moscow State University
2008-2023
Frumkin Institute of Physical Chemistry and Electrochemistry
2021
A. N. Nesmeyanov Institute of Organoelement Compounds
2019
Institute of General and Inorganic Chemistry
2019
Advisory Board Company (United States)
2019
Los Alamos National Laboratory
2011
University of Antwerp
1994-2010
The Ohio State University
2010
The new perovskite PbVO3 was synthesized under high-temperature and high-pressure conditions. Its crystal structure (a = 3.80005(6) Å, c 4.6703(1) Z 1, S.G. P4mm) contains isolated layers of corner-shared VO5 pyramids, which are formed instead octahedra due to a strong tetragonal distortion (c/a 1.23). lead atom is shifted out the center unit cell toward one two [VO2]-layers influence lone pair. This exhibits semiconductor-like ρ(T) dependence down 2 K. behavior can be qualitatively...
ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTAVPO4F (A = Li, K): A 4 V Cathode Material for High-Power Rechargeable BatteriesStanislav S. Fedotov*†‡, Nellie R. Khasanova†, Aleksandr Sh. Samarin†, Oleg A. Drozhzhin†, Dmitry Batuk§, Olesia M. Karakulina§, Joke Hadermann§, Artem Abakumov†‡§, and Evgeny V. Antipov†View Author Information† Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russian Federation‡ Skoltech Center Electrochemical Energy Storage, Skolkovo...
Abstract The rapid progress in mass-market applications of metal-ion batteries intensifies the development economically feasible electrode materials based on earth-abundant elements. Here, we report a record-breaking titanium-based positive material, KTiPO 4 F, exhibiting superior potential 3.6 V potassium-ion cell, which is extraordinarily high for titanium redox transitions. We hypothesize that such an unexpectedly major boost benefits from synergy cumulative inductive effect two anions...
Sodium (de)intercalation in the Na4MnV(PO4)3 NASICON-type cathode has been studied with operando synchrotron X-ray powder diffraction and galvanostatic cycling up to 3.8 4.0 V cutoff voltages. Symmetry reduction from rhombohedral monoclinic was observed immediately after start of electrochemical desodiation, restoring phase at V. Cycling within 2.5–3.8 potential range proceeds through both solid-solution two-phase processes. An additional voltage plateau ∼3.9 is observed, associated...
Polyanion compounds offer a playground for designing prospective electrode active materials sodium-ion storage due to their structural diversity and chemical variety. Here, by combining NaVPO
Sodium-ion batteries are attracting great attention due to their low cost and abundance of sodium. The O3-type NaNi1/3Fe1/3Mn1/3O2 layered oxide material is a promising candidate for positive electrodes (cathodes) in Na-ion batteries. However, its stable electrochemical performance restricted by the upper voltage limit 4.0 V (vs Na/Na+), which allows reversibly removing 0.5–0.55 Na+ per formula unit, corresponding capacity 120–130 mAh·g–1. Further reduction sodium content inevitably...
The effect of the cation nature is explored for reaction alkali metal ions intercalation into AVPO4F material. Application electrochemical methods allowed determining key diffusional and kinetic parameters Li+, Na+ K+ reactions. obtained formal redox potential values, apparent diffusion coefficients charge transfer resistance values are contrasted, providing possibility to assess variation in energetics ion insertion/extraction. observed differences rates rationalized terms different...
The review addresses and highlights the main results of research on physicohemical properties single-phase composite materials based transition metal oxides in relation to their practical application as electrode for symmetrical solid oxide fuel cells. electronic structures thermodynamic stability with perovskite structure are discussed. A detailed consideration is given thermal behaviour, chemical stability, electrical conductivity electrochemical a broad range iron-, chromium-...
Because of the outstanding discharge capacity provided by oxygen redox activity, Li-rich layered oxide positive electrode materials for Li-ion batteries attract tremendous attention. However, there is still no full consensus on role that ionocovalency transition metal (TM)–oxygen (O) chemical bonding plays in reversibility as well both local crystal and electronic structure transformations. Here, we managed to tune cationic/anionic contributions overall electrochemical activity using...
The thermal stability of NASICON-type cathode materials for sodium-ion batteries was studied using differential scanning calorimetry (DSC) and in situ high-temperature powder X-ray diffraction (HTPXRD) applied to the electrodes a pristine or charged state. Na3V2(PO4)3 Na4VMn(PO4)3 were analyzed their peak temperatures exothermic effect values decomposition processes, as well phase transformations that took place upon heating. obtained results indicate Mn-substituted material demonstrates...
With sodium-ion batteries (SIBs) finding widespread application, the demand grows for hard carbon, most popular anode material SIBs. Hydrothermal carbonization facilitates production of carbon with desired characteristics from various sources. Despite considerable volume literature addressing this subject, there is a notable absence investigations elucidating relationship between synthesis conditions and electrochemical product. Here we study systematically influence hydrothermal parameters...
The novel Ti-containing anode for the K-ion battery.