Highly Selective and Pollution-Free Electrochemical Extraction of Lithium by a Polyaniline/Lix Mn2 O4 Cell
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim..
Conventional lithium extraction processes are inefficient or inadaptable for application in salt-lake brines with high Mg/Li ratios of ≥6. A new electrochemical cell, polyaniline (PANI)/Lix Mn2 O4 , was proposed to solve this problem for selective recovery of Li+ ions from brine water with high impurity cations (K+ , Na+ , Mg2+ , etc). Benefiting from the unique selectivity of spinel Lix Mn2 O4 for Li+ insertion and the high capacity of the PANI polymer for Cl- doping, this PANI/Lix Mn2 O4 cell could simultaneously extract LiCl from a simulated brine with a high average current efficiency of 95 %, an energy consumption of 3.95 W h molLiCl -1 , and a strong cycle ability with 70.8 % capacity retention over 200 cycles. In particular, this method avoids the use of additional chemicals, offering a highly efficient, pollution-free technology for Li+ extraction from brine waters.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
ChemSusChem - 12(2019), 7 vom: 05. Apr., Seite 1361-1367 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhao, Along [VerfasserIn] |
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| Links: |
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| Themen: |
Brine |
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| Anmerkungen: |
Date Revised 20.11.2019 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/cssc.201803045 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM293218420 |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. | ||
| 520 | |a Conventional lithium extraction processes are inefficient or inadaptable for application in salt-lake brines with high Mg/Li ratios of ≥6. A new electrochemical cell, polyaniline (PANI)/Lix Mn2 O4 , was proposed to solve this problem for selective recovery of Li+ ions from brine water with high impurity cations (K+ , Na+ , Mg2+ , etc). Benefiting from the unique selectivity of spinel Lix Mn2 O4 for Li+ insertion and the high capacity of the PANI polymer for Cl- doping, this PANI/Lix Mn2 O4 cell could simultaneously extract LiCl from a simulated brine with a high average current efficiency of 95 %, an energy consumption of 3.95 W h molLiCl -1 , and a strong cycle ability with 70.8 % capacity retention over 200 cycles. In particular, this method avoids the use of additional chemicals, offering a highly efficient, pollution-free technology for Li+ extraction from brine waters | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a electrochemistry | |
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| 700 | 1 | |a Liu, Jincheng |e verfasserin |4 aut | |
| 700 | 1 | |a Ai, Xinping |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Hanxi |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Yuliang |e verfasserin |4 aut | |
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