Electrochemical extraction technologies of lithium: Development and challenges

Desalination, Journal Year: 2024, Volume and Issue: 598, P. 118419 - 118419

Published: Dec. 7, 2024

Language: Английский

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Emerging membrane technologies for sustainable lithium extraction from brines and leachates: Innovations, challenges, and industrial scalability

Desalination, Journal Year: 2024, Volume and Issue: 598, P. 118411 - 118411

Published: Dec. 11, 2024

Language: Английский

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MXene/Polydopamine as interfacial layers for enhancing the water dissociation within bipolar membranes

Chemical Engineering Science, Journal Year: 2025, Volume and Issue: unknown, P. 121487 - 121487

Published: March 1, 2025

Language: Английский

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The Potential of Electrodialysis with Mediating Solution (EDM) for Eliminating Alkaline Scaling: Experimental Validation and Mechanistic Elucidation

Environmental Science & Technology, Journal Year: 2025, Volume and Issue: unknown

Published: March 21, 2025

Alkaline scaling in the cathode chambers of conventional electrodialysis (ED) stacks presents significant challenges when desalinating solutions containing divalent cations. This scaling, resulting from combined effects water electrolysis and migration cations feedwater into catholyte, further extends chamber to surfaces both cation exchange membrane (CEM) anion (AEM) adjacent dilute chamber. study aims mitigate alkaline without pretreatment or antiscalant dosing, by optimizing ED stack design restrict transport toward cathode. We evaluated three configurations, each forming with a distinct ion control mechanism: (1) monovalent selective (SCEM), (2) bipolar (BPM), (3) mediating solution (EDM). Our results indicated that employing SCEM BPM partially restricted but remained vulnerable under higher feed salinities, due weakened Donnan exclusion within SCEM, strong internal polarization at interface. In contrast, EDM exhibited superior antiscaling performance combining through an AEM ionic buffering chamber, effectively blocking eliminating conditions conducive scaling. Additionally, maintained low electrical resistance high operational stability, making it simple, efficient, cost-effective for mitigation systems.

Language: Английский

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Constructing High‐Selective Cation Exchange Membrane via Embedding Sulfonated Lithium‐Ion Sieve for Enhanced Lithium Recycling from Spent Batteries Effluents

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 21, 2025

Abstract Recycling of lithium resources from spent battery effluents is critical for their valorization and the amelioration adverse environmental effects. Selectrodialysis (SED) based on monovalent‐selective electrotransport offers a promising approach recovery these streams. However, separation efficiency limited by weak selectivity stability monovalent selective cation exchange membranes (MSCEMs) in acidic media. In this study, highly MSCEM developed embedding sulfonated hydrogen manganese oxide (HMO) into polyvinylidene fluoride (PVDF) to construct inner Li‐ion transport channels. Meanwhile, adjacent groups HMO surface serve as hopping‐sites fast lithium‐ion during SED, contributing flux 1.10–2.61 mol m −2 h −1 . Compared with commercial MSCEMs, membrane work exhibits 36‐fold increase co‐existing cations (e.g., Co 2+ Ni ) exhibited good over 130 operation mixtures. Overall, study provides new avenue development Li‐selective acid resistance, thereby enhancing SED‐based process reclamation Li effluents.

Language: Английский

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Advances in electrochemical recovery of valuable metals: A focus on lithium

Desalination, Journal Year: 2025, Volume and Issue: unknown, P. 118960 - 118960

Published: April 1, 2025

Language: Английский

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