Ecofriendly, Highly Selective Lithium Extraction by Redox-Mediated Electrodialysis

IF 12.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY ACS Central Science Pub Date : 2024-11-09 DOI:10.1021/acscentsci.4c0137310.1021/acscentsci.4c01373

Rongxuan Xie, Danyi Sun, Jinyao Tang, Xiaochen Shen, Parsa Pishva, Yanlin Zhu, Kevin Huang* and Zhenmeng Peng*,

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Abstract

The rapid proliferation of lithium battery applications has underscored the critical role of lithium supply in the transition to industrial electrification. Existing lithium production methods encounter significant challenges in efficiency, scalability, environmental impact, and cost. The integration of redox-mediated electrodialysis with a dense ceramic Li_6/16Sr_7/16Ta_3/4Hf_1/4O₃ perovskite membrane, distinguished by its unique lattice structure allowing only lithium-ion exchange and transport, enables efficient, highly lithium-selective extraction directly from a diversity of resources including seawater and various brines. This approach offers continuous operation capability, can utilize renewable power, and has notable advantages, including chemical-free operation and little waste generation. Overall, this innovative solution presents a one-step, ecofriendly, highly selective lithium extraction method.

The one-step redox-mediated electrodialysis (rm-ED) strategy for direct lithium extraction from brines with LSTH membrane is employed for high selectivity powered by solar panels.

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利用氧化还原电渗析技术进行生态友好型高选择性锂萃取

锂电池应用的迅速普及凸显了锂供应在向工业电气化过渡中的关键作用。现有的锂生产方法在效率、可扩展性、环境影响和成本方面都面临着巨大挑战。将氧化还原介导的电渗析与致密陶瓷 Li6/16Sr7/16Ta3/4Hf1/4O3 包晶石膜（其独特的晶格结构只允许锂离子交换和传输）相结合，可直接从包括海水和各种盐水在内的多种资源中高效、高选择性地提取锂。这种方法具有连续运行能力，可利用可再生能源，并且具有显著的优势，包括无化学操作和几乎不产生废物。总之，这一创新解决方案提供了一种一步到位、生态友好、高选择性的锂萃取方法。采用一步到位氧化还原介导电渗析（rm-ED）策略，利用 LSTH 膜从盐水中直接萃取锂，通过太阳能电池板供电实现高选择性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Central Science Chemical Engineering-General Chemical Engineering

CiteScore

25.50

自引率

0.50%

发文量

194

审稿时长

10 weeks

期刊介绍： ACS Central Science publishes significant primary reports on research in chemistry and allied fields where chemical approaches are pivotal. As the first fully open-access journal by the American Chemical Society, it covers compelling and important contributions to the broad chemistry and scientific community. "Central science," a term popularized nearly 40 years ago, emphasizes chemistry's central role in connecting physical and life sciences, and fundamental sciences with applied disciplines like medicine and engineering. The journal focuses on exceptional quality articles, addressing advances in fundamental chemistry and interdisciplinary research.

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