Advanced Lithium Extraction Membranes Derived from Tagged‐Modification of Polyamide Networks
Huawen Peng,
Xufei Liu,
Yafei Su
et al.
Abstract:Efficient Mg2+/Li+ separation is crucial to combating the lithium shortage worldwide, yet current nanofiltration membranes suffer from low efficacy and/or poor scalability, because desirable properties of membranes are entangled and trade‐off. This work reported a “tagged‐modification” chemistry to tackle the challenge. A mixture of 3‐bromo‐trimethylpropan‐1‐aminium bromide (E1) and 3‐aminopropyl‐trimethylazanium (E2) was designed to modify polyethylenimine – trimesoyl chloride (PEI‐TMC) membranes. E1 and E2 r… Show more
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