Ion‐Pair Interactions in Polyphenylene‐Based Quaternized Membranes Designed for Phosphoric Acid‐Doped Proton Exchange Membranes for High‐Temperature Fuel Cells
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Science"
DOI: 10.1002/advs.202509467
Abstract: Phosphoric acid (PA)‐doped proton exchange membranes (PEMs) face significant challenges owing to the loss of PA, particularly under high humidity conditions. Ion‐pair interactions between PA and quaternary ammonium (QA) groups can effectively mitigate PA loss.… read more here.
Keywords: high temperature; phosphoric acid; fuel cells; acid doped ... See more keywords
Phosphated tungstate: An efficient new solid phosphoric acid catalyst for the synthesis of heterocyclic nitrones
Sign Up to like & getrecommendations! Published in 2018 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.3944
Abstract: Phosphated tungstate as a new, reusable and efficient solid phosphoric acid catalyst was synthesized and used to promote the reaction of diaminoglyoxime with various aromatic aldehydes. The prepared phosphated tungstate was characterized using various techniques… read more here.
Keywords: phosphated tungstate; acid catalyst; phosphoric acid; spectroscopy ... See more keywords
Dielectric relaxations in phosphoric acid‐doped poly(2,5‐benzimidazole) and its composite membranes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.44867
Abstract: Poly(2,5-benzimidazole) (ABPBI)—a promising high-temperature polymer electrolyte membrane—is characterized over a wide range of temperature (−50 to 220 °C) using broadband dielectric spectroscopy (BDS) to understand the various relaxation processes. The undoped ABPBI membrane shows two major… read more here.
Keywords: acid doped; relaxation; phosphoric acid; poly benzimidazole ... See more keywords
Phosphoric Acid Versus Biogenic Mineralization of Hydroxyapatite and Carbonate Apatite in Relation to Infection‐Induced Urinary Stones: Physical, Chemical and Microbiological Aspects
Sign Up to like & getrecommendations! Published in 2025 at "Chempluschem"
DOI: 10.1002/cplu.202400712
Abstract: Abstract In recent years, there has been an increase in the incidence of urinary stones, including infection urinary stones, especially in highly developed countries. One of the areas where the cause of the increased morbidity… read more here.
Keywords: urinary stones; carbonate apatite; mineralization; infection ... See more keywords
Selective cellulose hydrogenolysis to ethanol using Ni@C combined with phosphoric acid catalysts.
Sign Up to like & getrecommendations! Published in 2019 at "ChemSusChem"
DOI: 10.1002/cssc.201901110
Abstract: Ethanol is an important bulk chemical with diversified applications. Biomass derived ethanol is traditionally produced by fermentation. Direct cellulose conversion to ethanol by chemo-catalysis is particularly promising but remains a big challenging. We report a… read more here.
Keywords: selective cellulose; phosphoric acid; ethanol; ethanol using ... See more keywords
Impact of Aerogel Modification for Fe−N−C Activity and Stability towards Oxygen Reduction Reaction in Phosphoric Acid Electrolyte
Sign Up to like & getrecommendations! Published in 2024 at "Chemsuschem"
DOI: 10.1002/cssc.202401843
Abstract: Abstract Resorcinol‐formaldehyde based carbon aerogel (CA) has been tailored to meet the requirements as a Fe−N−C carbon support, aiming to provide sufficient, inexpensive cathode catalysts for high‐temperature polymer electrolyte membrane fuel cells (HT–PEMFCs). Therefore, different… read more here.
Keywords: reduction reaction; phosphoric acid; acid electrolyte; oxygen reduction ... See more keywords
Photocatalyst‐Free Chiral Phosphoric Acid‐Catalyzed Enantioselective Minisci‐Type Alkylation of N‐Heteroarenes
Sign Up to like & getrecommendations! Published in 2024 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202400798
Abstract: In this study, we present an efficient radical approach for the enantioselective Minisci‐type alkylation of N‐heteroarenes, using chiral phosphoric acid (CPA) as a catalyst under mild conditions, without the need for metals, photocatalysts, and other… read more here.
Keywords: chiral phosphoric; enantioselective minisci; phosphoric acid; minisci type ... See more keywords
Performance and economic investigation of a combined phosphoric acid fuel cell/organic Rankine cycle/electrolyzer system for sulfuric acid production; Energy‐based organic fluid selection
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Energy Research"
DOI: 10.1002/er.5073
Abstract: In this article, the application of a hybrid phosphoric acid fuel cell and organic Rankine cycle (PAFC/ORC) system was thermo‐economically investigated for sulfuric acid production in Sarcheshmeh copper complex (SCC); the second largest copper deposit… read more here.
Keywords: energy; system; sulfuric acid; phosphoric acid ... See more keywords
Enhancing phosphorus uptake and yield of wheat with phosphoric acid application in calcareous soil.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the science of food and agriculture"
DOI: 10.1002/jsfa.7921
Abstract: BACKGROUND Low phosphorus (P) availability to wheat from commercial fertilizers is one of the reasons for lower grain yield and hence justifies search for more efficient P source under alkaline calcareous soils. RESULTS Phosphoric acid… read more here.
Keywords: calcareous soil; wheat; phosphoric acid; yield ... See more keywords
Gel Electrolytes of Covalent Network Polybenzimidazole and Phosphoric Acid by Direct Casting
Sign Up to like & getrecommendations! Published in 2017 at "Macromolecular Materials and Engineering"
DOI: 10.1002/mame.201700347
Abstract: Polybenzimidazole membranes imbibed with phosphoric acid can support high proton conductivity at 120–200 °C, and have therefore emerged as the state-of-the-art electrolytes for fuel cells operating in this temperature range. This work presents a novel… read more here.
Keywords: network polybenzimidazole; gel electrolytes; covalent network; phosphoric acid ... See more keywords
Facile, Direct, De Novo Synthesis of an Alkyl Phosphoric Acid-Decorated Covalent Organic Framework.
Sign Up to like & getrecommendations! Published in 2022 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202200678
Abstract: The development and understanding of proton conductors based on phosphoric acid are critical for the field of chemistry, biology, and energy. Covalent organic frameworks (COFs), featuring highly crystalline structures and controllable pore sizes, are suitable… read more here.
Keywords: acid; novo synthesis; phosphoric acid; covalent organic ... See more keywords