A highly efficient composite separator embedded with colloidal lanthanum oxide nanocrystals for high‐temperature lithium‐ion batteries
Summary Highly efficient microporous composite separator based on polyvinylidene fluoride‐hexafluoro propylene (PVDF‐HFP) and colloidal La2O3 (C‐La2O3) is prepared for high‐temperature lithium‐ion batteries (LIBs) through facile slide coating technique. The presence of colloidal La2O3 nanocrystals i...
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| Veröffentlicht in: | International journal of energy research 2021-06, Vol.45 (7), p.11179-11192 |
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| container_title | International journal of energy research |
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| creator | Waqas, Muhammad Soomro, Afaque Manzoor Ali, Shamshad Ashraf, Hina Chan, Abdul Sattar Kumar, Suresh Choi, Kyung Hyun |
| description | Summary
Highly efficient microporous composite separator based on polyvinylidene fluoride‐hexafluoro propylene (PVDF‐HFP) and colloidal La2O3 (C‐La2O3) is prepared for high‐temperature lithium‐ion batteries (LIBs) through facile slide coating technique. The presence of colloidal La2O3 nanocrystals in PVDF‐HFP significantly enhances the mechano‐thermal stability of separator due to the robust microporous structure. Moreover, the C‐La2O3 nanocrystals also help in improving the conductivity of lithium ions by incorporating additional Li+ conduction pathways due to the Lewis acid‐base interaction between La atom and PVDF‐HFP chain. The PVDF‐HFP/C‐La2O3 separator owns minimal shrinkage of 6.2% after thermal annealing for 1 hour at 150°C. The as‐developed separator exhibits high wettability and electrolyte uptake (238%) due to the robust microporous structure and low crystallinity, which leads towards high ionic conductivity (0.75 × 10−3 S cm−1). The cells developed with PVDF‐HFP/C‐La2O3 separator deliver the discharge capacity of 158.2 mAh g−1 at room temperature, 163 mAh g−1 on direct testing at 80°C, 130.9 mAh g−1 of batteries assembled with annealed separators at 150°C for 5 hours, and 140.3 mAh g−1 of annealed batteries at 150°C for 5 hours at 0.5 C after 100 cycles with a capacity retention of ≈98%. The PVDF‐HFP/C‐La2O3 separator is a promising substitute of commercial separators with remarkable performances for high‐temperature LIBs.
A highly efficient polyvinylidene fluoride‐hexafluoro propylene/colloidal‐lanthanum oxide (PVDF‐HFP/C‐La2O3) composite separator is prepared through facile slide coating method for high temperature lithium ion batteries. The as‐developed separator owns interconnected microporous structure, robust thermal and dimensional stabilities, high electrolyte uptake, and mechanically strong to supress the dendrite penetrations. LFP/Li batteries based on PVDF‐HFP/C‐La2O3 separator deliver remarkable cyclic performances at room and elevated temperatures. |
| doi_str_mv | 10.1002/er.6599 |
| format | Article |
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Highly efficient microporous composite separator based on polyvinylidene fluoride‐hexafluoro propylene (PVDF‐HFP) and colloidal La2O3 (C‐La2O3) is prepared for high‐temperature lithium‐ion batteries (LIBs) through facile slide coating technique. The presence of colloidal La2O3 nanocrystals in PVDF‐HFP significantly enhances the mechano‐thermal stability of separator due to the robust microporous structure. Moreover, the C‐La2O3 nanocrystals also help in improving the conductivity of lithium ions by incorporating additional Li+ conduction pathways due to the Lewis acid‐base interaction between La atom and PVDF‐HFP chain. The PVDF‐HFP/C‐La2O3 separator owns minimal shrinkage of 6.2% after thermal annealing for 1 hour at 150°C. The as‐developed separator exhibits high wettability and electrolyte uptake (238%) due to the robust microporous structure and low crystallinity, which leads towards high ionic conductivity (0.75 × 10−3 S cm−1). The cells developed with PVDF‐HFP/C‐La2O3 separator deliver the discharge capacity of 158.2 mAh g−1 at room temperature, 163 mAh g−1 on direct testing at 80°C, 130.9 mAh g−1 of batteries assembled with annealed separators at 150°C for 5 hours, and 140.3 mAh g−1 of annealed batteries at 150°C for 5 hours at 0.5 C after 100 cycles with a capacity retention of ≈98%. The PVDF‐HFP/C‐La2O3 separator is a promising substitute of commercial separators with remarkable performances for high‐temperature LIBs.
A highly efficient polyvinylidene fluoride‐hexafluoro propylene/colloidal‐lanthanum oxide (PVDF‐HFP/C‐La2O3) composite separator is prepared through facile slide coating method for high temperature lithium ion batteries. The as‐developed separator owns interconnected microporous structure, robust thermal and dimensional stabilities, high electrolyte uptake, and mechanically strong to supress the dendrite penetrations. LFP/Li batteries based on PVDF‐HFP/C‐La2O3 separator deliver remarkable cyclic performances at room and elevated temperatures.</description><identifier>ISSN: 0363-907X</identifier><identifier>EISSN: 1099-114X</identifier><identifier>DOI: 10.1002/er.6599</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Inc</publisher><subject>Annealing ; Batteries ; colloidal La2O3 ; Colloids ; Conductivity ; Crystals ; Electrolytic cells ; Fluorides ; Ion currents ; Lanthanum ; Lanthanum oxides ; Lewis acid ; Lithium ; Lithium-ion batteries ; Nanocrystals ; Polyvinylidene fluorides ; Propylene ; PVDF‐HFP ; rare earth oxide ; Robustness ; Room temperature ; separator ; Separators ; Temperature ; Thermal stability ; Uptake ; Wettability</subject><ispartof>International journal of energy research, 2021-06, Vol.45 (7), p.11179-11192</ispartof><rights>2021 John Wiley & Sons Ltd</rights><rights>2021 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3599-d107d37724faae7ea29fafaf9e4030011e785b3fb307f054b53963408c5580bc3</citedby><cites>FETCH-LOGICAL-c3599-d107d37724faae7ea29fafaf9e4030011e785b3fb307f054b53963408c5580bc3</cites><orcidid>0000-0002-0352-9319</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%2Fer.6599$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fer.6599$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids></links><search><creatorcontrib>Waqas, Muhammad</creatorcontrib><creatorcontrib>Soomro, Afaque Manzoor</creatorcontrib><creatorcontrib>Ali, Shamshad</creatorcontrib><creatorcontrib>Ashraf, Hina</creatorcontrib><creatorcontrib>Chan, Abdul Sattar</creatorcontrib><creatorcontrib>Kumar, Suresh</creatorcontrib><creatorcontrib>Choi, Kyung Hyun</creatorcontrib><title>A highly efficient composite separator embedded with colloidal lanthanum oxide nanocrystals for high‐temperature lithium‐ion batteries</title><title>International journal of energy research</title><description>Summary
Highly efficient microporous composite separator based on polyvinylidene fluoride‐hexafluoro propylene (PVDF‐HFP) and colloidal La2O3 (C‐La2O3) is prepared for high‐temperature lithium‐ion batteries (LIBs) through facile slide coating technique. The presence of colloidal La2O3 nanocrystals in PVDF‐HFP significantly enhances the mechano‐thermal stability of separator due to the robust microporous structure. Moreover, the C‐La2O3 nanocrystals also help in improving the conductivity of lithium ions by incorporating additional Li+ conduction pathways due to the Lewis acid‐base interaction between La atom and PVDF‐HFP chain. The PVDF‐HFP/C‐La2O3 separator owns minimal shrinkage of 6.2% after thermal annealing for 1 hour at 150°C. The as‐developed separator exhibits high wettability and electrolyte uptake (238%) due to the robust microporous structure and low crystallinity, which leads towards high ionic conductivity (0.75 × 10−3 S cm−1). The cells developed with PVDF‐HFP/C‐La2O3 separator deliver the discharge capacity of 158.2 mAh g−1 at room temperature, 163 mAh g−1 on direct testing at 80°C, 130.9 mAh g−1 of batteries assembled with annealed separators at 150°C for 5 hours, and 140.3 mAh g−1 of annealed batteries at 150°C for 5 hours at 0.5 C after 100 cycles with a capacity retention of ≈98%. The PVDF‐HFP/C‐La2O3 separator is a promising substitute of commercial separators with remarkable performances for high‐temperature LIBs.
A highly efficient polyvinylidene fluoride‐hexafluoro propylene/colloidal‐lanthanum oxide (PVDF‐HFP/C‐La2O3) composite separator is prepared through facile slide coating method for high temperature lithium ion batteries. The as‐developed separator owns interconnected microporous structure, robust thermal and dimensional stabilities, high electrolyte uptake, and mechanically strong to supress the dendrite penetrations. LFP/Li batteries based on PVDF‐HFP/C‐La2O3 separator deliver remarkable cyclic performances at room and elevated temperatures.</description><subject>Annealing</subject><subject>Batteries</subject><subject>colloidal La2O3</subject><subject>Colloids</subject><subject>Conductivity</subject><subject>Crystals</subject><subject>Electrolytic cells</subject><subject>Fluorides</subject><subject>Ion currents</subject><subject>Lanthanum</subject><subject>Lanthanum oxides</subject><subject>Lewis acid</subject><subject>Lithium</subject><subject>Lithium-ion batteries</subject><subject>Nanocrystals</subject><subject>Polyvinylidene fluorides</subject><subject>Propylene</subject><subject>PVDF‐HFP</subject><subject>rare earth oxide</subject><subject>Robustness</subject><subject>Room temperature</subject><subject>separator</subject><subject>Separators</subject><subject>Temperature</subject><subject>Thermal stability</subject><subject>Uptake</subject><subject>Wettability</subject><issn>0363-907X</issn><issn>1099-114X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhoMouH7gXwh48CDVSdNstsdl8QsWBFHYW0nbiZulbWqSsu7Nsyd_o7_ErOtV5jAw87zvMC8hZwyuGEB6je5qLPJ8j4wY5HnCWLbYJyPgY57kIBeH5Mj7FUDcMTkin1O6NK_LZkNRa1MZ7AKtbNtbbwJSj71yKlhHsS2xrrGmaxOWkWgaa2rV0EZ1Yam6oaX23dRIO9XZym18UI2nOgq37t8fXwHbHqPV4JA20cIMbZwa29FShYDOoD8hBzqq8PSvH5OX25vn2X0yf7x7mE3nScXjX0nNQNZcyjTTSqFEleZaxcoxAw7AGMqJKLkuOUgNIisFz8c8g0klxATKih-T851v7-zbgD4UKzu4Lp4sUpFKISI7jtTFjqqc9d6hLnpnWuU2BYNiG3SBrtgGHcnLHbk2DW7-w4qbp1_6BxqTg3c</recordid><startdate>20210610</startdate><enddate>20210610</enddate><creator>Waqas, Muhammad</creator><creator>Soomro, Afaque Manzoor</creator><creator>Ali, Shamshad</creator><creator>Ashraf, Hina</creator><creator>Chan, Abdul Sattar</creator><creator>Kumar, Suresh</creator><creator>Choi, Kyung Hyun</creator><general>John Wiley & Sons, Inc</general><general>Hindawi Limited</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7ST</scope><scope>7TB</scope><scope>7TN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>F28</scope><scope>FR3</scope><scope>H96</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-0352-9319</orcidid></search><sort><creationdate>20210610</creationdate><title>A highly efficient composite separator embedded with colloidal lanthanum oxide nanocrystals for high‐temperature lithium‐ion batteries</title><author>Waqas, Muhammad ; Soomro, Afaque Manzoor ; Ali, Shamshad ; Ashraf, Hina ; Chan, Abdul Sattar ; Kumar, Suresh ; Choi, Kyung Hyun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3599-d107d37724faae7ea29fafaf9e4030011e785b3fb307f054b53963408c5580bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Annealing</topic><topic>Batteries</topic><topic>colloidal La2O3</topic><topic>Colloids</topic><topic>Conductivity</topic><topic>Crystals</topic><topic>Electrolytic cells</topic><topic>Fluorides</topic><topic>Ion currents</topic><topic>Lanthanum</topic><topic>Lanthanum oxides</topic><topic>Lewis acid</topic><topic>Lithium</topic><topic>Lithium-ion batteries</topic><topic>Nanocrystals</topic><topic>Polyvinylidene fluorides</topic><topic>Propylene</topic><topic>PVDF‐HFP</topic><topic>rare earth oxide</topic><topic>Robustness</topic><topic>Room temperature</topic><topic>separator</topic><topic>Separators</topic><topic>Temperature</topic><topic>Thermal stability</topic><topic>Uptake</topic><topic>Wettability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Waqas, Muhammad</creatorcontrib><creatorcontrib>Soomro, Afaque Manzoor</creatorcontrib><creatorcontrib>Ali, Shamshad</creatorcontrib><creatorcontrib>Ashraf, Hina</creatorcontrib><creatorcontrib>Chan, Abdul Sattar</creatorcontrib><creatorcontrib>Kumar, Suresh</creatorcontrib><creatorcontrib>Choi, Kyung Hyun</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>International journal of energy research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Waqas, Muhammad</au><au>Soomro, Afaque Manzoor</au><au>Ali, Shamshad</au><au>Ashraf, Hina</au><au>Chan, Abdul Sattar</au><au>Kumar, Suresh</au><au>Choi, Kyung Hyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A highly efficient composite separator embedded with colloidal lanthanum oxide nanocrystals for high‐temperature lithium‐ion batteries</atitle><jtitle>International journal of energy research</jtitle><date>2021-06-10</date><risdate>2021</risdate><volume>45</volume><issue>7</issue><spage>11179</spage><epage>11192</epage><pages>11179-11192</pages><issn>0363-907X</issn><eissn>1099-114X</eissn><abstract>Summary
Highly efficient microporous composite separator based on polyvinylidene fluoride‐hexafluoro propylene (PVDF‐HFP) and colloidal La2O3 (C‐La2O3) is prepared for high‐temperature lithium‐ion batteries (LIBs) through facile slide coating technique. The presence of colloidal La2O3 nanocrystals in PVDF‐HFP significantly enhances the mechano‐thermal stability of separator due to the robust microporous structure. Moreover, the C‐La2O3 nanocrystals also help in improving the conductivity of lithium ions by incorporating additional Li+ conduction pathways due to the Lewis acid‐base interaction between La atom and PVDF‐HFP chain. The PVDF‐HFP/C‐La2O3 separator owns minimal shrinkage of 6.2% after thermal annealing for 1 hour at 150°C. The as‐developed separator exhibits high wettability and electrolyte uptake (238%) due to the robust microporous structure and low crystallinity, which leads towards high ionic conductivity (0.75 × 10−3 S cm−1). The cells developed with PVDF‐HFP/C‐La2O3 separator deliver the discharge capacity of 158.2 mAh g−1 at room temperature, 163 mAh g−1 on direct testing at 80°C, 130.9 mAh g−1 of batteries assembled with annealed separators at 150°C for 5 hours, and 140.3 mAh g−1 of annealed batteries at 150°C for 5 hours at 0.5 C after 100 cycles with a capacity retention of ≈98%. The PVDF‐HFP/C‐La2O3 separator is a promising substitute of commercial separators with remarkable performances for high‐temperature LIBs.
A highly efficient polyvinylidene fluoride‐hexafluoro propylene/colloidal‐lanthanum oxide (PVDF‐HFP/C‐La2O3) composite separator is prepared through facile slide coating method for high temperature lithium ion batteries. The as‐developed separator owns interconnected microporous structure, robust thermal and dimensional stabilities, high electrolyte uptake, and mechanically strong to supress the dendrite penetrations. LFP/Li batteries based on PVDF‐HFP/C‐La2O3 separator deliver remarkable cyclic performances at room and elevated temperatures.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/er.6599</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-0352-9319</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Annealing Batteries colloidal La2O3 Colloids Conductivity Crystals Electrolytic cells Fluorides Ion currents Lanthanum Lanthanum oxides Lewis acid Lithium Lithium-ion batteries Nanocrystals Polyvinylidene fluorides Propylene PVDF‐HFP rare earth oxide Robustness Room temperature separator Separators Temperature Thermal stability Uptake Wettability |
| title | A highly efficient composite separator embedded with colloidal lanthanum oxide nanocrystals for high‐temperature lithium‐ion batteries |
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