Ярославцев Андрей Борисович
Базовая кафедра неорганической химии и материаловедения Института общей и неорганической химии им. Н.С. Курнакова РАН
Профессиональные интересы
Должности
- Заведующий кафедрой — Базовая кафедра неорганической химии и материаловедения Института общей и неорганической химии им. Н.С. Курнакова РАН
- Профессор — Базовая кафедра неорганической химии и материаловедения Института общей и неорганической химии им. Н.С. Курнакова РАН
- Академический директор — Аспирантская школа по химии
Био
- · Начал работать в НИУ ВШЭ в 2009 году.
- · Научно-педагогический стаж: 33 года.
Образование
- 2006 · Член-корреспондент РАН
- 1995 · Ученое звание: Профессор
- 1995 · Доктор наук
- 1978 · Специалитет: Московский государственный университет им. М.В. Ломоносова, специальность «Химия», квалификация «Химик»
Опыт работы
- · 1994-2018: Институт общей и неорганической химии РАН им. Н.С. Курнакова:
- · Ведущий научный сотрудник, Заведующий сектором, Заведующий лабораторией, Главный научный сотрудник
- · 2010-2018: Институт нефтехимического синтеза РАН им. А.В. Топчиева:
- · Заведующий лабораторией
- · 1997-2009: Российский фонд фундаментальных исследований:
- · Начальник отдела, Ответственный секретарь
- · 1994-2018: Российский химико-технологический университет им. Д.И.Менделеева:
- · Профессор
- · 2009-2018: Московский государственный университет им. М.В.Ломоносова:
- · Младший научный сотрудник, ассистент, доцент, профессор
Награды и поощрения
- · Почетная грамота НИУ ВШЭ (март 2026)
- · Благодарность НИУ ВШЭ (март 2024)
- · Медаль Ордена "За заслуги перед Отечеством" II степени (февраль 2024)
- · Благодарность Факультета химии НИУ ВШЭ (февраль 2023)
- · Благодарственное письмо проректора НИУ ВШЭ (ноябрь 2021)
- · Надбавка за публикацию в журнале из Списка А (и приравненном к нему научном издании) (2025–2026, 2024–2025, 2023–2024)
- · Надбавка за публикацию в международном рецензируемом научном издании (2022–2023, 2021–2022, 2019–2020)
- · Лучший преподаватель — 2025
Гранты и проекты
- — · на соискание учёной степени кандидата наук
Конференции (1)
Показать все
- · 2018: 14th International Conference “Fundamental problems of solid state ionics” (Черноголовка). Доклад: Ion transport in composite membranes based on polybenzimidazoles and silica with modified surface
Идентификаторы исследователя
- ORCID:
0000-0001-8446-6198 - ResearcherID:
C-2070-2013 - SPIN РИНЦ:
8429-8844 - Scopus AuthorID:
7005239278
Публикации (90)
Evolution of Mn-doped LiFePO4 during cycling: Fast synchrotron operando Mössbauer studies
2024 · ARTICLE · en
Due to the chemical and thermal stability, lithium iron phosphate is a popular cathode material, the properties of which can be improved by doping. This work presents a study of the charge/discharge mechanisms for the LiFe1-XMnXPO4/C cathodes using synchrotron operando Mössbauer measurements. Both an increase in the cycling rate and Mn-substitution in the LiFePO4 structure lead to a gradual switch of lithium intercalation mechanisms between the two-phase transformation and the formation of an extended solid solution domain at the Fe1-XMnXPO4/LiFe1-XMnXPO4 interface. The role of doping in improving the cycling of LiFe1-XMXPO4/C cathodes during both charge and discharge and their cycling mechanism are discussed.
New hybrid materials based on cardo polybenzimidazole PBI-O-PhT and modified silica with covalent silanol cross-linking
2024 · ARTICLE · en
Polybenzimidazoles (PBI) doped with phosphoric acid are a promising electrolyte for medium-temperature fuel cells. However, to be effective at high temperatures in the presence of acid, the mechanical and conductive properties of the material must be stable and no critical increase in gas permeability is required. This work proposes an approach to improve the properties of PBI-O-PhT-based materials by combining two previously known methods: covalent crosslinking with silane (3-bromopropyl)trimethoxysilane (SiBr) and doping with silicon oxide (SiO2), including grafted imidazolinpropyl groups (SiO2Im). The silanol cross-linked samples exhibited higher stability when tested with Fenton's reagent and retained their morphological integrity even after 360 h of testing. The study shows that covalent crosslinking improves the stability of dopant particles in the membrane matrix and prevents their leaching during acid treatment. Additionally, the incorporation of silicon oxides enhances the proton conductivity of samples with covalent cross-linking and reduces gas permeability compared to the original PBI membrane. Proton conductivity of the covalent cross-linked samples reaches 50 and 55 mS·cm−1 at oxide contents of 5 wt% SiO2Im and 10 wt% SiO2, respectively.
Perfluorosulfonic Acid Membranes as Gel-Polymer Electrolytes for Lithium Metal Batteries
2024 · ARTICLE · en
Gel-polymer electrolytes based on perfluorinated cation-exchange membranes are promising electrolytes for lithium metal batteries due to the strength and chemical stability of the fluorinated matrix and high values of ionic conductivity and cation transference numbers, which contribute to the suppression of dendrite formation. The present work compares the main characteristics of polymer electrolytes based on short-side-chain membranes Aquivion-87 and Aquivion-98 with different numbers of functional groups and content of polar aprotic solvents (mixtures of ethylene carbonate–propylene carbonate and ethylene carbonate–N,N-dimethylacetamide), i.e., ionic conductivity, transference numbers, and stability against lithium metal. Electrochemical characteristics of the electrolytes in Li|Li and LiFePO4|Li cells show good compatibility and functionality with the Li metal anode, forming a stable Li/electrolyte boundary, and LFP|Aquivion-87-EC-DMA|Li cell shows discharge capacity values of ∼142 mAh/g at 0.1 C and 136 mAh/g at 1 C and room temperature, with a 98.8% capacity retention after 70 cycles at 0.1 C. These data indicate their promising application as polymer electrolytes in lithium metal batteries.
Determination of Tetracaine and Oxymetazoline in Drugs and Saliva via Potentiometric Sensor Arrays Based on Fluoropolymer/Polyaniline Composites
2024 · ARTICLE · en
A growing interest in dental practice in intranasal anesthesia using tetracaine and oxymetazoline dictates the need for their simultaneous determination in combination drugs and human saliva. Potentiometric multisensory systems based on perfluorosulfonic acid membranes, including polyaniline-modified ones, were developed for these purposes. A change in the distribution of the sensor sensitivity to the related analytes was achieved by variation of the conditions for concentration polarization at the membrane interface with a studied solution due to a change in the intrapore volume, nature, and availability of the sorption centers, as well as the hydrophilicity of the membrane surface that were specified by the conditions for their synthesis and subsequent hydrothermal treatment. Reversibility of the analyte sorption using the chosen conditions for regeneration provided long-term stable work of both the sensors and the calibration equations established by multivariate linear regression. The membrane modification promoted their resistance to fouling. The relative errors of the simultaneous tetracaine and oxymetazoline determination in the combination drug solutions were no greater than 7% and 11%, while in the artificial saliva solutions, they were 15% and 17%, respectively, when an array of the cross-sensitive sensors based on the composite membranes prepared by different methods was used. The analysis errors were reduced to 3%-6% when analyzing the drug and to 0.2%-6% when analyzing the artificial saliva if an array was organized with the sensors based on the membrane with the dopant and the membrane without it, due to the decreasing correlation between their responses. Potentiometric multisensory systems based on perfluorosulfonic acid membranes, including polyaniline-modified ones, were developed for the simultaneous determination of tetracaine and oxymetazoline in combination drugs and human saliva. Reversibility of the analyte sorption during regeneration provided long-term stable work of the sensors and calibration equations established by multivariate linear regression. The analysis errors were 0.2%-6% for the sensor array based on the membrane with polyaniline and the one without it, due to the low correlation between the responses.
An anionic porphyrinylphosphonate-based hydrogen-bonded organic framework: optimization of proton conductivity through the exchange of counterions
2023 · ARTICLE · en
Hydrogen-bonded organic frameworks (HOFs) possessing high crystallinity, simple synthetic procedure and easy regeneration provide high efficiency as multifunctional systems, including applications as proton conductors. Porphyrinylphosphonates having acidic moieties, which can form multiple hydrogen bonds, together with tunable physical–chemical properties of a macrocycle may significantly improve the proton conductivity of such materials. Herein, the synthesis, characterization and proton-conducting properties of a novel anionic HOF based on a new complex of palladium(II) with meso-tetrakis(4-(phosphonatophenyl))porphyrin, HOF-IPCE-1Pd, are reported. Directed structural transformation of the framework by the exchange of dimethylammonium counterions for ammonium cations along with the absorption of ammonia and water molecules led to the formation of a more hydrolytically stable structure of HOF-IPCE-1Pd-NH3, demonstrating the proton conductivity of 1.27 × 10−3 S cm−1 at 85 °C and 85% RH, which is one of the highest among all known HOFs based on porphyrins. It is noteworthy that the reversible absorbance of water/ammonia molecules preserves the crystal structure of HOF-IPCE-1Pd-NH3.
Improvement of Li/Mg monovalent ion selectivity of cation-exchange membranes by incorporation of cerium or zirconium phosphate particles
2023 · ARTICLE · en
С целью увеличения селективности катионообменных мембран к переносу лития относительно магния в процессе электродиализного обессоливания эквимолярных растворов сульфатов лития и магния была проведена модификация поверхности коммерческой катионообменной мембраны на основе сульфированного полистирола фосфатами церия и циркония. При внедрении частиц фосфатов значения коэффициентов Li/Mgселективности мембран увеличились до 113% (0.04М, плотность тока 0.82 мА/см2).
Composite Anion Exchange Membranes Based on Quaternary Ammonium-Functionalized Polystyrene and Cerium(IV) Phosphate with Improved Monovalent-Ion Selectivity and Antifouling Properties
2023 · ARTICLE · en
The possibility of targeted change of the properties of ion exchange membranes by incorporation of various nanoparticles into the membranes is attracting the attention of many research groups. Here we studied for the first time the influence of cerium phosphate nanoparticles on the physicochemical and transport properties of commercial anion exchange membranes based on quaternary ammonium-functionalized polystyrenes, such as heterogeneous Ralex® AM and pseudo-homogeneous Neosepta® AMX. The incorporation of cerium phosphate on one side of the membrane was performed by precipitation from absorbed cerium ammonium nitrate (CAN) anionic complex with ammonium dihydrogen phosphate or phosphoric acid. The structures of the obtained hybrid membranes and separately synthesized cerium phosphate were investigated using FTIR, P31 MAS NMR, EDX mapping, and scanning electron microscopy. The modification increased the membrane selectivity to monovalent ions in the ED desalination of an equimolar mixture of NaCl and Na2SO4. The highest selectivities of Ralex® AM and Neosepta® AMX-based hybrid membranes were 4.9 and 7.7, respectively. In addition, the modification of Neosepta® membranes also increased the resistance to a typical anionic surfactant, sodium dodecylbenzenesulfonate.
An anionic porphyrinylphosphonate-based hydrogen-bonded organic framework: optimization of proton conductivity through the exchange of counterions
2023 · ARTICLE · en
Hydrogen-bonded organic frameworks (HOFs) possessing high crystallinity, simple synthetic procedure and easy regeneration provide high efficiency as multifunctional systems, including applications as proton conductors. Porphyrinylphosphonates having acidic moieties, which can form multiple hydrogen bonds, together with tunable physical–chemical properties of a macrocycle may significantly improve the proton conductivity of such materials. Herein, the synthesis, characterization and proton-conducting properties of a novel anionic HOF based on a new complex of palladium(II) with meso-tetrakis(4-(phosphonatophenyl))porphyrin, HOF-IPCE-1Pd, are reported. Directed structural transformation of the framework by the exchange of dimethylammonium counterions for ammonium cations along with the absorption of ammonia and water molecules led to the formation of a more hydrolytically stable structure of HOF-IPCE-1Pd-NH3, demonstrating the proton conductivity of 1.27 × 10−3 S cm−1 at 85 °C and 85% RH, which is one of the highest among all known HOFs based on porphyrins. It is noteworthy that the reversible absorbance of water/ammonia molecules preserves the crystal structure of HOF-IPCE-1Pd-NH3.
Perfluorosulfonic Acid Membranes with Short and Long Side Chains and their Use in Sensors for the Determination of Markers of Viral Diseases in Saliva
2023 · ARTICLE · en
The development of accessible express methods to determine markers of viral diseases in saliva is currently an actual problem. Novel cross-sensitive sensors based on Donnan potential with bio-comparable perfluorosulfonic acid membranes for the determination of salivary viral markers (N-acetyl-L-methionine, L-carnitine, and L-lysine) were proposed. Membranes were formed by casting from dispersions of Nafion or Aquivion in N-methyl-2-pyrollidone or in a mixture of isopropyl alcohol and water. The influence of the polymer equivalent weight and the nature of dispersing liquid on water uptake, ion conductivity, and slope of Donnan potential for the membranes in H+ and Na+ form was investigated. The varying of the sorption and transport properties of perfluorosulfonic acid membranes provided a change in the distribution of the sensor sensitivity to N-acetyl-L-methionine, L-carnitine, and L-lysine ions, which was necessary for multisensory system development. The simultaneous determination of three analytes, and the group analysis of them in artificial saliva solutions, was performed. The errors of N-acetyl-L-methionine and L-carnitine determination were 4-12 and 3-11%, respectively. The determination of L-lysine was complicated by its interaction with Ca2+ ions. The error of the group analysis was no greater than 9%. The reverse character of the viral markers' sorption by the membranes provided long-term sensor operation.
Solid Electrolytes Based on NASICON-Structured Phosphates for Lithium Metal Batteries
2023 · ARTICLE · en
All-solid-state lithium batteries are a promising alternative to commercially available lithium-ion batteries due to their ability to achieve high energy density, safety, and compactness. Electrolytes are key components of all-solid-state batteries, as they are crucial in determining the batteries’ efficiency. Herein, the structure of LiM2(PO4)3 (M = Ti, Ge, Zr) and lithium-ion migration mechanisms are introduced as well as different synthetic routes and doping (co-doping), and their influence on conductivity is discussed. The effective methods of reducing electrolyte/electrode interface resistance and improving ion-conducting properties are summarized. In addition, different polymer/NASICON composites are considered. The challenges and prospects of practical applications of NASICON-type lithium phosphates as electrolytes for all-solid-state batteries are discussed.
Курсы (6)
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2025/2026, 2024/2025, 2023/2024, 2022/2023 · Дисциплина общефакультетского пула · рус
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2025/2026 · Аспирантура · рус
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2025/2026, 2024/2025, 2023/2024, 2021/2022 · Аспирантура / Бакалавриат / Дисциплина общефакультетского пула / Магистратура · рус
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2024/2025 · Аспирантура / Аспирантура направление: 00.00.00. Аспирантура · рус
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2024/2025, 2023/2024, 2022/2023 · Аспирантура направление: 00.00.00. Аспирантура / Дисциплина общефакультетского пула · рус