55831-66-8Relevant academic research and scientific papers
Sodium Naphthalene-2,6-dicarboxylate: An Anode for Sodium Batteries
Caba?ero, Joel M.,Pimenta, Vanessa,Cannon, Kieran C.,Morris, Russell E.,Armstrong, A. Robert
, p. 4522 - 4528 (2019)
The conjugated dicarboxylate sodium naphthalene-2,6-dicarboxylate (Na2NDC) was prepared by a low-energy-consumption reflux method, and its performance as a negative electrode for sodium-ion batteries was evaluated in electrochemical cells. The structure of Na2NDC was solved for the first time (monoclinic P21/c) from powder XRD data and consists of π-stacked naphthalene units separated by sodium–oxygen layers. Through an appropriate choice of binder and conducting carbon additive, Na2NDC exhibited a reversible two electron sodium insertion at approximately 0.4 V (vs. Na+/Na) with remarkably stable capacities of approximately 200 mAh g?1 at a rate of C/2 and good rate capability (≈133 mAh g?1 at 5 C). In parallel, the high thermal stability of the material was demonstrated by high-temperature XRD: the framework remained intact to above 500 °C.
A structural investigation of organic battery anode materials by NMR crystallography
Armstrong, A. Robert,Desai, Aamod V.,Griffin, John M.,Griffiths, Kieran,Halcovitch, Nathan R.,Morris, Russell E.,Seymour, Valerie R.,Whewell, Tommy
, (2022/02/01)
Conjugated alkali metal dicarboxylates have recently received attention for applications as organic anode materials in lithium- and sodium-ion batteries. In order to understand and optimise these materials, it is important to be able to characterise both
Method for preparing 2,6-naphthalene dicarboxylic acid
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Page/Page column 5-6, (2008/06/13)
Disclosed is an improved method for preparing 2,6-naphthalene dicarboxylic acid from di-lower alkyl 2,6-naphthalene dicarboxylate, which is characterized in that hydrolyzing di-lower alkyl 2,6-naphthalene dicarboxylate in a specified amount of water in the presence of specified amount of hydrophobic organic solvent and an additive; that hydrolyzing di-lower alkyl 2,6-naphthalene dicarboxylate in a specific amount of a mixed solvent of non-water miscible alcohol and water; or in that di-lower alkyl 2,6-naphthalene dicarboxylate is hydrolyzed in two steps wherein the 1st step comprises hydrolyzing said ester in a water miscible organic solvent in the presence of a small amount of water, and the 2nd step comprises further hydrolyzing the reaction.
Preparation of Naphthalene-2,3,6,7-tetracarboxylic Acid
Chiba, Koji,Tagaya, Hideyuki,Kono, Hiroshi
, p. 1933 - 1936 (2007/10/02)
In the presence of sodium iodide and cadmium oxide, sodium 1-naphthoate was effectively converted into naphthalene-2,3,6,7-tetracarboxylate at 480 deg C under carbon dioxide pressure.The minor product was naphthalene-2,6-dicarboxylate.Also in the rearrangement of sodium 2-naphthoate, the addition effect of sodium iodide was observed.
