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Updated: Jan 15, 2026

Characterizing Mediated Extracellular Electron Transfer in Lactic Acid Bacteria with a Three-Electrode, Two-Chamber Bioelectrochemical System
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Published on: August 23, 2024

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微生物电提取用于从使用过的离子电池中释放金属的遗传和转录组分析

Min Li1, Danni Zhang2, Dawn E Holmes3

  • 1Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang, China; State Key Laboratory of Digital Steel, Northeastern University, Shenyang, China; College of Life and Health Sciences Northeastern University, Shenyang, China.

Bioresource technology
|October 13, 2025
PubMed
概括

微生物电提取 (MEE) 使用微生物从使用过的离子电池中回收金属. 虽然有效,但高金属度被证明是有毒的,限制了可持续电池回收的可扩展性.

关键词:
电池金属的提取 电池金属的提取细胞外电子转移 细胞外电子转移金属回收利用的方法这种植物是Shewanella oneidensis.可持续的回收利用方式

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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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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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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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