Results 51 to 60 of about 273 (117)

Universal Reagent for Mild and Stereospecific Nucleophilic Substitution of Alcohols with Amines

Angewandte Chemie, Volume 137, Issue 13, March 24, 2025.
A user‐friendly, shelf‐stable protonated betaine reagent (BEHT triflate), derived from Mitsunobu reagents, has been developed to enable the direct displacement of alcohols using primary and secondary amines as nucleophiles. The reaction with chiral, non‐racemic secondary alcohols proceeds with inversion of configuration, allowing for one‐step formation
William S. Bechara, Irina K. Sagamanova, Léa Thai‐Savard, Maxime Dauphinais, Sophie Régnier, Charlotte Noël, Scott B. D. Jarvis, André B. Charette   +7 more
wiley   +2 more sources

Celebrating Ten Years of Covalent Organic Frameworks for Solar Energy Conversion: Past, Present and Future

Angewandte Chemie, Volume 136, Issue 49, December 2, 2024.
With the first report of covalent organic frameworks as photocatalysts for the hydrogen evolution reaction (HER) in 2014, a new type of “soft photocatalyst” was released. Here, a historical overview as well as the current state of the art and future perspectives on various photocatalytic reactions including CO2 reduction (CO2RR), overall water ...
Andrés Rodríguez‐Camargo, Kenichi Endo, Bettina V. Lotsch   +2 more
wiley   +2 more sources

Impact of decarbonized heating sector at local scale on the national power grid

Energy Reports
The space heating sector contributes significantly to global CO2 emissions due to its heavy reliance on fossil fuels. Electrification is a key strategy for decarbonizing this sector, with a dual impact that must be assessed: a reduction in emissions, at ...
Anne-Geneviève Lemelle, Arthur Clerjon, Fabien Perdu, Philippe Azaïs   +3 more
doaj   +1 more source

Na2Fe3(SO4)4: A Zero‐Strain Sustainable Positive Electrode Material for Na‐Ion Batteries

Angewandte Chemie, Volume 137, Issue 44, October 27, 2025.
A new sustainable zero‐strain Na2Fe3(SO4)4 (NFS) positive electrode material is obtained by only ball‐milling from cheap and available Na2SO4 and FeSO4. Iron coordination polyhedra include the Fe2O11 dimer of distorted octahedra (active during cycling) and FeO5 trigonal bipyramid, similar to that in the relative Pbca‐Na2Mn3(SO4)4 (NMS).
Anastasia Grebenshchikova, Jacob Olchowka, Loïc Simonin, Sergey Yaroslavtsev, Mathieu Duttine, François Fauth, Lorenzo Stievano, Christian Masquelier, Laurence Croguennec   +8 more
wiley   +1 more source

Operando Detection of Lithium Plating and Stripping in Fast‐Charging Li‐Ion Cells with a Reference Electrode

Batteries &Supercaps, Volume 8, Issue 10, October 2025.
In this study, a referenceelectrode is incorporated into cells to investigate aging under differentcharging regimes. The results show that fast charging leads to lithiumplating, which can be detected by changes in the incremental capacity profileand post‐mortem analysis.
Alexia Bichon, Sylvie Geniès, Philippe Azaïs, Didier Buzon, Olivier Raccurt   +4 more
wiley   +1 more source

Evaluating the risk of phthalate and non-phthalate plasticizers in dust samples from 100 Japanese houses

Environment International
Phthalates are widely used as plasticizer and associated with various health issues. Recently, non-phthalate plasticizers are replacing phthalates; however, the exposure to these substances and the risk in Japan is unclear. In this study, we assessed the
Naohide Shinohara, Tomoko Oguri, Mai Takagi, Jun Ueyama, Tomohiko Isobe   +4 more
doaj   +1 more source

Increasing Redox Potential of Pyromellitic Diimide by Chemical Modifications: Toward High‐Voltage Organic Positive Electrode for Lithium Battery

Batteries &Supercaps, Volume 8, Issue 9, September 2025.
Chemical modifications of soluble pyromellitic diimide derivatives with bromo‐ and cyano‐ electron‐withdrawing groups instead of hydrogen lead to an increase of redox potential of 210 and 420 mV respectively compared to the reference. Lithium batteries are considered as the most promising electricity storage solution to support the energy transition ...
Valentin Gouget, Pierre‐Alain Bayle, Amélie Kochem, Nicolas Leconte, Laurent Bernard, Lionel Picard, Thibaut Gutel   +6 more
wiley   +1 more source

Developmental neurotoxicity evaluation of di(2-ethylhexyl) phthalate (DEHP) and three alternative plasticizers in human neurospheres

Environment International
Plasticizers like di-(2-ethylhexyl) phthalate (DEHP) are commonly used in medical devices to enhance plastic flexibility. DEHP is classified as a CMR1b substance due to its adverse effects on reproduction and fertility, and it has been linked to ...
Britta A. Kühne, Jördis Klose, Bettina Seeger, Miriam Illa, Diego Muñoz-Torrero, Katharina Koch, Ellen Fritsche, Marta Barenys   +7 more
doaj   +1 more source

Detailed Characterization of Thermal Runaway Particle Emissions from a Prismatic NMC622 Lithium-Ion Battery

Batteries
Particles ejected during thermal runaway (TR) of lithium-ion batteries carry a significant fraction of the total TR energy and can cause danger to other components in the battery system.
Felix Elsner, Peter Gerhards, Gaël Berrier, Rémi Vincent, Sébastien Dubourg, Stefan Pischinger   +5 more
doaj   +1 more source

Phthalates, non-phthalate plasticizers and bisphenols in Swedish preschool dust in relation to children's exposure

Environment International, 2017
Children are exposed to a wide range of chemicals in their everyday environments, including the preschool. In this study, we evaluated the levels of phthalates, non-phthalate plasticizers and bisphenols in dust from 100 Swedish preschools and identified ...
Kristin Larsson, Christian H Lindh, Bo AG Jönsson, Georgios Giovanoulis, Momina Bibi, Matteo Bottai, Anna Bergström, Marika Berglund   +7 more
doaj   +1 more source