Results 111 to 120 of about 807,421 (315)

Hydrophobic Deep Eutectic Solvent (DES) Design Enables Optimally Hydrated DES‐in‐Water Electrolytes for High‐Performance Bromine Redox‐Enhanced Energy Storage Systems

open access: yesAdvanced Functional Materials, EarlyView.
Faradaic charging with bromine redox chemistry shows promise for energy storage, yet its efficient use in aqueous electrolytes is hindered by water decomposition and polybromides' cross‐diffusion, leading to suboptimal cell performance. This study introduces a tetrabutylammonium bromide‐based hydrated deep eutectic electrolyte with optimized water ...
Tae Pyeong Eom   +4 more
wiley   +1 more source

Evolution of the conductivity of potassium-doped pentacene films [PDF]

open access: yesarXiv, 2006
We have investigated the evolution of the temperature-dependent conductivity of electron-doped pentacene (PEN) thin films, in which the electron density is controlled by means of potassium (K) intercalation. We find that the conductivity is high and exhibit metallic temperature dependence in a broad range of concentrations up to approximately 1 K/PEN ...
arxiv  

EXCHANGES OF SODIUM AND POTASSIUM IN FAMILIAL PERIODIC PARALYSIS 1 [PDF]

open access: bronze, 1948
T. S. Danowski   +3 more
openalex   +1 more source

Hyperbranched Interpenetrating Hydrogen Bond Network (HIHBN) Proton Exchange Membrane for Fuel Cells Above 220 °C

open access: yesAdvanced Functional Materials, EarlyView.
A novel polymer electrolyte membrane with a hyperbranched interpenetrating hydrogen bond network structure is developed. The unique structure of the hyperbranched polymer contributes to a high glass transition temperature exceeding 400 °C, enabling its operation at elevated temperatures for fuel cell applications.
Lingping Zeng   +10 more
wiley   +1 more source

Transgenic approaches for improving use efficiency of nitrogen, phosphorus and potassium in crops

open access: yesJournal of Integrative Agriculture, 2017
The success of the Green Revolution largely relies on fertilizers, and a new Green Revolution is very much needed to use fertilizers more economically and efficiently, as well as with more environmental responsibility.
Wan TENG, Xue HE, Yi-ping TONG
doaj  

Potassium fluoride doped LaOFeAs multiband superconductors: Evidence for extremely high upper critical field [PDF]

open access: yesarXiv, 2008
We describe a new methodology of synthesizing the oxypnictide superconductors with potassium fluoride as a source as a source of fluorine instead of LaF3. This route also allows the substitution of potassium at lanthanum sites which leads to an increase in the upper critical field as would be expected for a multiband superconductor.
arxiv  

A Strong and Water‐Retaining Biomass Adhesive Inspired by Tofu

open access: yesAdvanced Functional Materials, EarlyView.
Drawing inspiration from the formation mechanism of the traditional food tofu, a strong and water‐retaining adhesive is designed using the soybean meal (SM) oxidized by glucose oxidase (GOx) and calcium sulfate oligomer (CSO). This design strategy effectively addresses the conflicting requirements of water‐resistant bonding strength and water retention
Jiawei Shao   +8 more
wiley   +1 more source

Efecto del uso de lodo papelero sobre el contenido de N, P, K en dos suelos de importancia en la Cuenca del Lago de Valencia Effect of the paper sludge use on N, P, and K on two soils of agriculture importance at the Valencia lake basin

open access: yesRevista Técnica de la Facultad de Ingeniería, 2007
La incorporación de lodos residuales al suelo generalmente se considera inductora de mejoras en las condiciones químicas del mismo, debido a la incorporación de materia orgánica.
Yadira Martínez, Carmen Rivero
doaj  

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