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Updated: Jul 27, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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一种新的绿色深度环氧化溶剂,用于从使用过的电池中单步选择性分离贵金属:双功能作用和机制

Ziyue Yang1, Shujie Tang1, Xiangtao Huo1

  • 1State Key Laboratory of Advanced Metallurgy, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China.

Environmental research
|June 10, 2023
PubMed
概括

一种新型的深溶解剂 (DES) 从已耗尽的离子电池中有效地回收和. 这种绿色方法实现了高回收率,并证明了可持续电池回收的卓越循环稳定性.

关键词:
双功能的绿色DES可以使用.周期性稳定性 周期性稳定性在现场进行选择性浸出.响应表面的方法 响应表面方法消耗的LIB阴极 活性物质 活性物质

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Electrodeposition

Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
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Capillary Electrophoresis: Applications

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Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying a potential to a pre-weighed electrode submerged in a solution, which results in the desired substance being deposited through reduction at the cathode or oxidation at the anode. The electrode's weight is recorded after deposition, and the difference in weight gives the analyte's weight in the solution.
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Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
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