TCI Materials Science News
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January 2024
TCI is at the forefront of offering high-quality materials for R&D. This issue covers our materials science topics as follows:
- Battery Materials
- Metal Extractants for Lithium Ion Battery Recycling
- 2,2'-Bipyridine Derivatives for the Synthesis of Covalent Organic Frameworks (COFs)
- Aldehyde Linkers for β-Ketoenamine Linked Covalent Organic Flameworks (COFs)
Battery Materials
TCI offers a wide range of products for use in battery research, including additives, electrolytes, redox-active materials, solvents, and electrode materials. Ethyl ethylene phosphate [E1458] and tripropargyl phosphate (= TPP) [T3987] as battery electrolyte additives, lithium bis(oxalate)borate [L0367] as a lithium ion battery electrolyte, zinc(II) trifluoromethanesulfonate [Z0057] as a zinc battery electrolyte, 2,6-DBEAQ [D5764] as an organic redox flow battery material, DNP-Li [D5947] as an organic electrode active material, fluoroethylene carbonate [F0731] as a battery solvent, lithium iron(II) phosphate (= LFP) [L0386] as a battery electrode material, etc. are available.
Metal Extractants for Lithium Ion Battery Recycling
To realize a recycling-oriented society, metals such as cobalt, nickel, manganese, lithium, and copper must be selectively extracted from used lithium-ion batteries. TCI has a variety of chemicals available for metal recycling studies. For examples, HEHEHP [M2871], D2EHPA [P0811], EDTA [E0084] and etc. as extractants. Additionally, citric acid [C1949] and DL-malic acid [M0020] are used as leaching agents.
2,2'-Bipyridine Derivatives for the Synthesis of Covalent Organic Frameworks (COFs)
[2,2'-Bipyridine]-5,5'-dicarbaldehyde [B6576] and [2,2'-bipyridine]-5,5'-diamine [D2893] are bipyridine derivatives that can be used in the synthesis of covalent organic frameworks (COFs). COFs are crystalline porous materials with a wide range of promising applications such as catalysis, gas adsorption, and gas separation, due to their porosity and well-defined periodic structures. Additionally, functionalized COFs utilizing B6576 or D2893 have been developed by coordinating to metal atoms at bipyridine sites or quaternizing bipyridine sites using 1,2-dibromoethane. For instance, catalysts for the oxygen evolution reaction in water electrolysis, photocatalysts for the hydrogen evolution reaction, and materials for photothermal conversion have been reported.
Aldehyde Linkers for β-Ketoenamine Linked Covalent Organic Flameworks (COFs)
2,4,6-Trihydroxybenzene-1,3,5-tricarbaldehyde [T3688], and 2-hydroxy-1,3,5-benzenetricarbaldehyde [H1651] allows the synthesis of β-ketoenamine-linked COFs. The properties of COFs can be adjusted by the quantity of hydroxyl groups.
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