Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 5333-42-6, Name is 2-octyldodecan-1-ol, molecular formula is C20H42O. In an article, author is Zhao, Shujun,once mentioned of 5333-42-6, Quality Control of 2-octyldodecan-1-ol.
3D nanoflower-like layered double hydroxide modified quaternized chitosan/polyvinyl alcohol composite anion conductive membranes for fuel cells
To solve the trade-off problem among ionic conductivity, mechanical and chemical stability of anion exchange membranes (AEMs), quaternized chitosan (QCS) was first prepared and then was blended with polyvinyl alcohol (PVA) to improve mechanical strength of QCS. Afterwards, three-dimensional (3D) hierarchical flower-like layered double hydroxides (LDHs) were prepared via one-pot ethylene glycol-assisted solvothermal method, and then were incorporated into QCS/PVA blend matrix to fabricate composite AEMs. By constructing 3D hierarchical structure, the active sites of LDH nanosheets are fully exposed, thus impressive ion conductivity, alkali and fuel resistant ability of LDH nanosheets can be rationally utilized. The composite membrane displayed the maximum OH- conductivity of 25.7 mS cm(-1), which was 48.6 % higher than that of the pristine membrane. Alkaline stability measurement proved that the composite membranes kept residual ionic conductivity of as high as 92 % after immersion in a 2 M KOH for 100 h. Due to the decreased methanol permeability and increased conductivity, the composite membrane with 6% LDHs content exhibited a peak power density of 73 mW cm(-2) at 60 degrees C, whereas the pristine membrane demonstrated only 40 mW cm(-2).
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Reference:
Alcohol – Wikipedia,
,Alcohols – Chemistry LibreTexts