A5081420991- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Ionic liquids properties and applications
- Polyoxometalates: Synthesis and Applications
- Conducting polymers and applications
- Synthesis and properties of polymers
- Enzyme Catalysis and Immobilization
- Synthesis and biological activity
- Fuel Cells and Related Materials
- Advanced Battery Technologies Research
- Advanced ceramic materials synthesis
- Inorganic Fluorides and Related Compounds
- Analytical Chemistry and Chromatography
- Click Chemistry and Applications
- Photochromic and Fluorescence Chemistry
- Solid-state spectroscopy and crystallography
- Antioxidant Activity and Oxidative Stress
- Chemical and Physical Properties in Aqueous Solutions
- Synthesis of Indole Derivatives
- Carbon dioxide utilization in catalysis
- Thermal and Kinetic Analysis
- Luminescence and Fluorescent Materials
- Cyclopropane Reaction Mechanisms
Warsaw University of Technology
2013-2024
Faculty (United Kingdom)
2018
University of Warsaw
2018
Abstract A new family of fluorine-free solid-polymer electrolytes, for use in sodium-ion battery applications, is presented. Three novel sodium salts withdiffuse negative charges: pentacyanopropenide (NaPCPI), 2,3,4,5-tetracyanopirolate (NaTCP) and 2,4,5-tricyanoimidazolate (NaTIM) were designed andtested a poly(ethylene oxide) (PEO) matrix as polymer electrolytes anall-solid battery. Due to unique, non-covalent structural configurations anions, improved ionic conductivities observed. As an...
The enantioselective resolution of several racemic derivatives mandelic acid methyl ester catalyzed by lipases from Pseudomonas fluorescens (Amano AK) or Burkholderia cepacia PS‐C II and Amano PS‐IM) has been achieved. A gram‐scale lipase‐mediated kinetic approach developed that allows the facile synthesis corresponding ( R )‐(–)‐mandelates with excellent enantiomeric excesses (up to >99 % ee ) reaction enantioselectivity E values up >200). dopaminergic agent pemoline, used in...
In the present study, synthesis and cytotoxic effect of six stilbenes three oxepine derivatives against two cancerous - HeLa U87, normal EUFA30 HEK293 cell lines has been reported. The results assay flow cytometry analysis revealed that compounds 9-nitrobenzo[b]naphtho[1,2-f]oxepine (4), (E)-3,3',4,4',5,5'-hexamethoxystilbene (6) 4-hydroxy-2',4'-dinitrostilbene (8) were most active their interaction with tubulin (crystal structure from PDB) analyzed by computer molecular modeling. Molecular...
Cancer is one of the most common causes human death worldwide; thus, numerous therapies, including chemotherapy, have been and are being continuously developed. In cancer cells, an aberrant mitotic spindle-a microtubule-based structure necessary for equal splitting genetic material between daughter cells-leads to instability, hallmarks cancer. Thus, building block microtubules, tubulin, which a heterodimer formed from α- β-tubulin proteins, useful target in anti-cancer research. The surface...
The synthesis of optically active ionic liquids, in a four-step reaction sequence, is described.In the first step an oxirane ring cyclohexene oxide was opened with 1,2,4-triazole, yielding racemic mixture (1R,2R)-and (1S,2S)-2-(1H-1,2,4-triazol-1-yl)cyclohexanol.Kinetic resolution racemate by lipase catalyzed transesterification vinyl acetate followed alkylation (quaternization) triazole resulted appropriate salts formation.After anion metathesis, thermally stable novel chiral liquids were obtained.
Lithium nickel oxide (LNO) is an attractive positive electrode active material for lithium ion batteries (LIBs) due to its high reversible specific capacity and absence of cobalt. Nevertheless, it prone structural instabilities that lead rapid fading, safety concerns shows in average a lower voltage than mixtures with cobalt, limiting applicability date. Herein we introduce the sulfur-based electrolyte additive, benzo[d][1,3,2]dioxathiole 2,2-dioxide (DTDPh), stabilize LNO study effects on...
Chemically soft additives promote the reduction process, making SEI-formation more controlled and ultimately resulting in protective SEI-layers.
A new approach to the synthesis of asymmetrical cyclic compounds using a stilbene scaffold has been developed.
Although the classical enzymatic kinetic resolutions (EKRs) are among most important reactions in biocatalysis, requirement of application chromatographic purification technique, which is responsible for generation large amounts waste organic solvents, its major drawback. To minimize environmental impact such attempts and to address current sustainability challenges, we decided develop a novel EKR methodology, relies on usage cheap, fully renewable, nontoxic, irreversible acyl group donor...
The new strategies to obtain selectively protected hydroxyl function on sugar derivatives are still of the high value for progress glycochemistry and organic synthesis. Herein, we describe an interesting enzymatic deprotection strategy that was applied most commonly used glycal derivative - 3,4,6-tri-O-acetyl-d-glucal. procedure is operationally simple, easy scale-up biocatalyst might be effortlessly recycled from reaction mixture. Resulting product 4,6-di-O-acetyl-D-glucal then challenged...
The synthesis of biphenylmethoxydibenzo[b,f]oxepine or photoswitchable fluorinated dibenzo[b,f]oxepine derivatives with one three azo bonds, potential microtubule inhibitors, is described. Our studies provide a concise method for constructing containing the skeleton. An analysis products was run using experimental and theoretical methods. Next, we evaluated E/Z isomerization azo-dibenzo[b,f]oxepine derivatives, which could be photochemically controlled visible-wavelength light.
Abstract Lithium nickel oxide (LNO) is an attractive positive electrode active material for lithium ion batteries (LIBs) due to its high reversible specific capacity and absence of cobalt. Nevertheless, it prone structural instabilities that lead rapid fading, safety concerns shows in average a lower voltage than mixtures with cobalt, limiting applicability date. Herein this study introduces the sulfur‐based electrolyte additive, benzo[ d ][1,3,2]dioxathiole 2,2‐dioxide (DTDPh), stabilize...
The ever-growing demand for lithium-ion batteries (LIBs) and especially the requirements of high energy densities necessitates development advanced battery materials in order to make electro mobility renewable feasible concepts a broad application society. However, modern electrode active that promise come with numerous challenges need be overcome before they can applied commercials batteries. LiNiO 2 (LNO) has drawn attention as possible cathode material due its specific capacity absence...
Lithium anode an Li-ion batteries are chemical power sources of high energy and density. In other words, such can be light, small relatively efficient. Therefore, they used in several power-demanding devices, like laptops, tablets, smartphones as well cameras. Despite this commercial success, the scientific works oriented on development these still conducted. Novel lithium for special applications (extremely low temperatures, long-time-without-charging sources) being continuously elaborated....
Solid Polymeric Electrolytes (SPEs) are systems which exhibit relatively high (in comparison to other solid-state systems) ionic conductivity at temperatures below 100ºC. The typical applications in such can be used electrochromic devices, fuel cells and lithium batteries. Usually, the SPE for last above-mentioned consists of salt dissolved poly(ethylene oxide)- PEO. Optionally, various compounds, like ceramic powders, plasticizers or anion receptors added electrolyte order enhance its ion...
Lithium anode an Li-ion batteries are chemical power sources of high energy and density. In other words, such can be light, small relatively efficient. Therefore, they used in several power-demanding devices, like laptops, tablets, smartphones as well cameras. Despite this commercial success, the scientific works oriented on development these still conducted. The most important problem, which needs to solved, is stability battery life length. This related electrolyte-electrode interfaces....
Solid Polymeric Electrolyte (SPE) is a system in which salt dissolved the polymer matrix. These materials, discovered about 40 years ago by Wright, were widely studied several research groups. Their properties predestine them to use application aprotic electrolyte need be used. The typical ones are lithium and sodium batteries electrochromic windows. mechanical stability (they self-standing) gives advantages when their considered comparison liquid systems. main problem limits of SPEs...
Secondary battery technology is currently based on Li-ion technology. Assuming substantial development of electrical vehicles and/or different portable devices, the lithium sources might be not sufficient to fulfill total market demands. Strategically, it a suitable moment research alternatives lithium-based energy storage technologies. A natural candidate for replacement sodium. Standard potential Na/Na + (-2.71 V) slightly lower than Li/Li (-3.05 V). At same time, sodium both most abundant...