Locally Concentrated Ionic Liquid Electrolytes Enabling Low‐Temperature Lithium Metal Batteries
Lithium metal is a promising anode material for next‐generation high‐energy‐density batteries but suffers from low stripping/plating Coulombic efficiency and dendritic growth particularly at sub‐zero temperatures. Herein, a poorly‐flammable, locally concentrated ionic liquid electrolyte with a wide...
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description | Lithium metal is a promising anode material for next‐generation high‐energy‐density batteries but suffers from low stripping/plating Coulombic efficiency and dendritic growth particularly at sub‐zero temperatures. Herein, a poorly‐flammable, locally concentrated ionic liquid electrolyte with a wide liquidus range extending well below 0 °C is proposed for low‐temperature lithium metal batteries. Its all‐anion Li+ solvation and phase‐nano‐segregation solution structure are sustained at low temperatures, which, together with a solid electrolyte interphase rich in inorganic compounds, enable dendrite‐free operation of lithium metal anodes at −20 °C and 0.5 mA cm−2, with a Coulombic efficiency of 98.9 %. As a result, lithium metal batteries coupling thin lithium metal anodes (4 mAh cm−2) and high‐loading LiNi0.8Co0.15Al0.05O2 cathodes (10 mg cm−2) retain 70 % of the initial capacity after 100 cycles at −20 °C. These results, as a proof of concept, demonstrate the applicability of locally concentrated ionic liquid electrolytes for low‐temperature lithium metal batteries.
A locally concentrated ionic liquid electrolyte with a wide liquidus range is proposed for low‐temperature lithium metal batteries (LMBs). Its all‐anion Li+ solvation and phase‐nano‐segregation solution structure are sustained at low temperatures, which, together with a solid electrolyte interphase rich in inorganic compounds on lithium metal anodes, enable stable cycling of LMBs with high‐loading LiNi0.8Co0.15Al0.05O2 cathodes at −20 °C. |
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A locally concentrated ionic liquid electrolyte with a wide liquidus range is proposed for low‐temperature lithium metal batteries (LMBs). Its all‐anion Li+ solvation and phase‐nano‐segregation solution structure are sustained at low temperatures, which, together with a solid electrolyte interphase rich in inorganic compounds on lithium metal anodes, enable stable cycling of LMBs with high‐loading LiNi0.8Co0.15Al0.05O2 cathodes at −20 °C.</description><edition>International ed. in English</edition><identifier>ISSN: 1433-7851</identifier><identifier>EISSN: 1521-3773</identifier><identifier>DOI: 10.1002/anie.202305840</identifier><identifier>PMID: 37249166</identifier><language>eng</language><publisher>Germany: Wiley Subscription Services, Inc</publisher><subject>Anodes ; Cathodes ; Electrode materials ; Electrolytes ; Flammability ; Inorganic compounds ; Ionic Liquid Electrolytes ; Ionic liquids ; Liquidus ; Lithium ; Lithium batteries ; Lithium Metal Anodes ; Locally Concentrated Electrolytes ; Low temperature ; Low Temperature Batteries ; Metals ; Solid electrolytes ; Solvation</subject><ispartof>Angewandte Chemie International Edition, 2023-08, Vol.62 (31), p.e202305840-n/a</ispartof><rights>2023 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH</rights><rights>2023 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.</rights><rights>2023. This article is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4130-32cd6a2c5a02e63155417c0b6f3c5917c16bbfe9880981973b29eeb4c581ca0a3</citedby><cites>FETCH-LOGICAL-c4130-32cd6a2c5a02e63155417c0b6f3c5917c16bbfe9880981973b29eeb4c581ca0a3</cites><orcidid>0000-0002-6606-5304</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fanie.202305840$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fanie.202305840$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37249166$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Xu</creatorcontrib><creatorcontrib>Mariani, Alessandro</creatorcontrib><creatorcontrib>Diemant, Thomas</creatorcontrib><creatorcontrib>Dong, Xu</creatorcontrib><creatorcontrib>Su, Po‐Hua</creatorcontrib><creatorcontrib>Passerini, Stefano</creatorcontrib><title>Locally Concentrated Ionic Liquid Electrolytes Enabling Low‐Temperature Lithium Metal Batteries</title><title>Angewandte Chemie International Edition</title><addtitle>Angew Chem Int Ed Engl</addtitle><description>Lithium metal is a promising anode material for next‐generation high‐energy‐density batteries but suffers from low stripping/plating Coulombic efficiency and dendritic growth particularly at sub‐zero temperatures. Herein, a poorly‐flammable, locally concentrated ionic liquid electrolyte with a wide liquidus range extending well below 0 °C is proposed for low‐temperature lithium metal batteries. Its all‐anion Li+ solvation and phase‐nano‐segregation solution structure are sustained at low temperatures, which, together with a solid electrolyte interphase rich in inorganic compounds, enable dendrite‐free operation of lithium metal anodes at −20 °C and 0.5 mA cm−2, with a Coulombic efficiency of 98.9 %. As a result, lithium metal batteries coupling thin lithium metal anodes (4 mAh cm−2) and high‐loading LiNi0.8Co0.15Al0.05O2 cathodes (10 mg cm−2) retain 70 % of the initial capacity after 100 cycles at −20 °C. These results, as a proof of concept, demonstrate the applicability of locally concentrated ionic liquid electrolytes for low‐temperature lithium metal batteries.
A locally concentrated ionic liquid electrolyte with a wide liquidus range is proposed for low‐temperature lithium metal batteries (LMBs). Its all‐anion Li+ solvation and phase‐nano‐segregation solution structure are sustained at low temperatures, which, together with a solid electrolyte interphase rich in inorganic compounds on lithium metal anodes, enable stable cycling of LMBs with high‐loading LiNi0.8Co0.15Al0.05O2 cathodes at −20 °C.</description><subject>Anodes</subject><subject>Cathodes</subject><subject>Electrode materials</subject><subject>Electrolytes</subject><subject>Flammability</subject><subject>Inorganic compounds</subject><subject>Ionic Liquid Electrolytes</subject><subject>Ionic liquids</subject><subject>Liquidus</subject><subject>Lithium</subject><subject>Lithium batteries</subject><subject>Lithium Metal Anodes</subject><subject>Locally Concentrated Electrolytes</subject><subject>Low temperature</subject><subject>Low Temperature Batteries</subject><subject>Metals</subject><subject>Solid electrolytes</subject><subject>Solvation</subject><issn>1433-7851</issn><issn>1521-3773</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><recordid>eNqF0LtOwzAUBmALgbivjCgSC0uKL3Fij1AVqBRggTly3FMwcuJiO6q68Qg8I0-CUblILEw-w3d-Hf8IHRE8IhjTM9UbGFFMGeaiwBtol3BKclZVbDPNBWN5JTjZQXshPCcvBC630Q6raCFJWe4iVTutrF1lY9dr6KNXEWbZ1PVGZ7V5Gcwsm1jQ0Tu7ihCySa9aa_rHrHbL99e3e-gWkHYGD4nHJzN02Q1EZbMLFSN4A-EAbc2VDXD49e6jh8vJ_fg6r--upuPzOtcFYThnVM9KRTVXmELJCOcFqTRuyznTXKaRlG07B5l-IAWRFWupBGgLzQXRCiu2j07XuQvvXgYIselM0GCt6sENoaGCYlkKJkWiJ3_osxt8n65LqiC0qCqOkxqtlfYuBA_zZuFNp_yqIbj5LL_5LL_5KT8tHH_FDm0Hsx_-3XYCcg2WxsLqn7jm_HY6-Q3_ACSwkV8</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>Liu, Xu</creator><creator>Mariani, Alessandro</creator><creator>Diemant, Thomas</creator><creator>Dong, Xu</creator><creator>Su, Po‐Hua</creator><creator>Passerini, Stefano</creator><general>Wiley Subscription Services, Inc</general><scope>24P</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TM</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-6606-5304</orcidid></search><sort><creationdate>20230801</creationdate><title>Locally Concentrated Ionic Liquid Electrolytes Enabling Low‐Temperature Lithium Metal Batteries</title><author>Liu, Xu ; Mariani, Alessandro ; Diemant, Thomas ; Dong, Xu ; Su, Po‐Hua ; Passerini, Stefano</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4130-32cd6a2c5a02e63155417c0b6f3c5917c16bbfe9880981973b29eeb4c581ca0a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Anodes</topic><topic>Cathodes</topic><topic>Electrode materials</topic><topic>Electrolytes</topic><topic>Flammability</topic><topic>Inorganic compounds</topic><topic>Ionic Liquid Electrolytes</topic><topic>Ionic liquids</topic><topic>Liquidus</topic><topic>Lithium</topic><topic>Lithium batteries</topic><topic>Lithium Metal Anodes</topic><topic>Locally Concentrated Electrolytes</topic><topic>Low temperature</topic><topic>Low Temperature Batteries</topic><topic>Metals</topic><topic>Solid electrolytes</topic><topic>Solvation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Xu</creatorcontrib><creatorcontrib>Mariani, Alessandro</creatorcontrib><creatorcontrib>Diemant, Thomas</creatorcontrib><creatorcontrib>Dong, Xu</creatorcontrib><creatorcontrib>Su, Po‐Hua</creatorcontrib><creatorcontrib>Passerini, Stefano</creatorcontrib><collection>Wiley-Blackwell Open Access Titles</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Nucleic Acids Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Angewandte Chemie International Edition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Xu</au><au>Mariani, Alessandro</au><au>Diemant, Thomas</au><au>Dong, Xu</au><au>Su, Po‐Hua</au><au>Passerini, Stefano</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Locally Concentrated Ionic Liquid Electrolytes Enabling Low‐Temperature Lithium Metal Batteries</atitle><jtitle>Angewandte Chemie International Edition</jtitle><addtitle>Angew Chem Int Ed Engl</addtitle><date>2023-08-01</date><risdate>2023</risdate><volume>62</volume><issue>31</issue><spage>e202305840</spage><epage>n/a</epage><pages>e202305840-n/a</pages><issn>1433-7851</issn><eissn>1521-3773</eissn><abstract>Lithium metal is a promising anode material for next‐generation high‐energy‐density batteries but suffers from low stripping/plating Coulombic efficiency and dendritic growth particularly at sub‐zero temperatures. Herein, a poorly‐flammable, locally concentrated ionic liquid electrolyte with a wide liquidus range extending well below 0 °C is proposed for low‐temperature lithium metal batteries. Its all‐anion Li+ solvation and phase‐nano‐segregation solution structure are sustained at low temperatures, which, together with a solid electrolyte interphase rich in inorganic compounds, enable dendrite‐free operation of lithium metal anodes at −20 °C and 0.5 mA cm−2, with a Coulombic efficiency of 98.9 %. As a result, lithium metal batteries coupling thin lithium metal anodes (4 mAh cm−2) and high‐loading LiNi0.8Co0.15Al0.05O2 cathodes (10 mg cm−2) retain 70 % of the initial capacity after 100 cycles at −20 °C. These results, as a proof of concept, demonstrate the applicability of locally concentrated ionic liquid electrolytes for low‐temperature lithium metal batteries.
A locally concentrated ionic liquid electrolyte with a wide liquidus range is proposed for low‐temperature lithium metal batteries (LMBs). Its all‐anion Li+ solvation and phase‐nano‐segregation solution structure are sustained at low temperatures, which, together with a solid electrolyte interphase rich in inorganic compounds on lithium metal anodes, enable stable cycling of LMBs with high‐loading LiNi0.8Co0.15Al0.05O2 cathodes at −20 °C.</abstract><cop>Germany</cop><pub>Wiley Subscription Services, Inc</pub><pmid>37249166</pmid><doi>10.1002/anie.202305840</doi><tpages>9</tpages><edition>International ed. in English</edition><orcidid>https://orcid.org/0000-0002-6606-5304</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Anodes Cathodes Electrode materials Electrolytes Flammability Inorganic compounds Ionic Liquid Electrolytes Ionic liquids Liquidus Lithium Lithium batteries Lithium Metal Anodes Locally Concentrated Electrolytes Low temperature Low Temperature Batteries Metals Solid electrolytes Solvation |
title | Locally Concentrated Ionic Liquid Electrolytes Enabling Low‐Temperature Lithium Metal Batteries |
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