V2CTX catalyzes polysulfide conversion to enhance the redox kinetics of Li–S batteries
Lithium–sulfur (Li–S) batteries have the potential to become the future energy storage system, yet they are plagued by sluggish redox kinetics. Therefore, enhancing the redox kinetics of polysulfides is key for the development of high-energy density and long-life Li–S batteries. Herein, a Ketjen Bla...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2022-02, Vol.51 (6), p.2560-2566 |
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| container_end_page | 2566 |
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| container_issue | 6 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
| container_volume | 51 |
| creator | Han, Fengfeng Jin, Qi Xiao, Junpeng Wu, Lili Zhang, Xitian |
| description | Lithium–sulfur (Li–S) batteries have the potential to become the future energy storage system, yet they are plagued by sluggish redox kinetics. Therefore, enhancing the redox kinetics of polysulfides is key for the development of high-energy density and long-life Li–S batteries. Herein, a Ketjen Black (KB)/V2CTX modified separator (KB/V2CTX-PP) based on the catalytic effect in continuous solid-to-liquid-to-solid reactions is proposed to accelerate the conversion of sulfur species during the charge/discharge process in which the V2CTX can enhance the redox kinetics and inhibit polysulfide shuttling. The cells assembled with KB/V2CTX-PP achieve a gratifying first discharge capacity of 1236.1 mA h g−1 at 0.2C and the average capacity decay per cycle reaches 0.049% within 1000 cycles at 1C. The work provides an efficient idea to accelerate redox conversion and suppress shuttle effects by designing a multifunctional catalytic separator. |
| doi_str_mv | 10.1039/d1dt04158d |
| format | Article |
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Therefore, enhancing the redox kinetics of polysulfides is key for the development of high-energy density and long-life Li–S batteries. Herein, a Ketjen Black (KB)/V2CTX modified separator (KB/V2CTX-PP) based on the catalytic effect in continuous solid-to-liquid-to-solid reactions is proposed to accelerate the conversion of sulfur species during the charge/discharge process in which the V2CTX can enhance the redox kinetics and inhibit polysulfide shuttling. The cells assembled with KB/V2CTX-PP achieve a gratifying first discharge capacity of 1236.1 mA h g−1 at 0.2C and the average capacity decay per cycle reaches 0.049% within 1000 cycles at 1C. The work provides an efficient idea to accelerate redox conversion and suppress shuttle effects by designing a multifunctional catalytic separator.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/d1dt04158d</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Catalytic converters ; Conversion ; Decay rate ; Discharge ; Energy storage ; Flux density ; Kinetics ; Lithium sulfur batteries ; Polysulfides ; Separators ; Storage batteries</subject><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2022-02, Vol.51 (6), p.2560-2566</ispartof><rights>Copyright Royal Society of Chemistry 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c187t-52a649767e5b502bc45d37636e95ac5d3c22aef50be7e89c600ca99e853267d63</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Han, Fengfeng</creatorcontrib><creatorcontrib>Jin, Qi</creatorcontrib><creatorcontrib>Xiao, Junpeng</creatorcontrib><creatorcontrib>Wu, Lili</creatorcontrib><creatorcontrib>Zhang, Xitian</creatorcontrib><title>V2CTX catalyzes polysulfide conversion to enhance the redox kinetics of Li–S batteries</title><title>Dalton transactions : an international journal of inorganic chemistry</title><description>Lithium–sulfur (Li–S) batteries have the potential to become the future energy storage system, yet they are plagued by sluggish redox kinetics. Therefore, enhancing the redox kinetics of polysulfides is key for the development of high-energy density and long-life Li–S batteries. Herein, a Ketjen Black (KB)/V2CTX modified separator (KB/V2CTX-PP) based on the catalytic effect in continuous solid-to-liquid-to-solid reactions is proposed to accelerate the conversion of sulfur species during the charge/discharge process in which the V2CTX can enhance the redox kinetics and inhibit polysulfide shuttling. The cells assembled with KB/V2CTX-PP achieve a gratifying first discharge capacity of 1236.1 mA h g−1 at 0.2C and the average capacity decay per cycle reaches 0.049% within 1000 cycles at 1C. The work provides an efficient idea to accelerate redox conversion and suppress shuttle effects by designing a multifunctional catalytic separator.</description><subject>Catalytic converters</subject><subject>Conversion</subject><subject>Decay rate</subject><subject>Discharge</subject><subject>Energy storage</subject><subject>Flux density</subject><subject>Kinetics</subject><subject>Lithium sulfur batteries</subject><subject>Polysulfides</subject><subject>Separators</subject><subject>Storage batteries</subject><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpdj7FOwzAQhi0EEqWw8ASWWFgCjh3b8YgiKEiRGCioW-XYF9Ul2CV2EGXiHXhDnoQgEAO64b7h03_3I3Sck7OcMHVuc5tIkfPS7qBJXkiZKcqK3T-mYh8dxLgmhFLC6QQtHmg1X2Cjk-62bxDxJnTbOHSts4BN8C_QRxc8TgGDX2lvAKcV4B5seMWPzkNyJuLQ4tp9vn_c4UanBL2DeIj2Wt1FOPrdU3R_dTmvrrP6dnZTXdSZyUuZMk61KJQUEnjDCW1MwS2TgglQXJuRDaUaWk4akFAqIwgxWikoOaNCWsGm6PQnd9OH5wFiWj65aKDrtIcwxCUVY2kuSlaO6sk_dR2G3o_ffVvjcD5e_gLHlmHQ</recordid><startdate>20220208</startdate><enddate>20220208</enddate><creator>Han, Fengfeng</creator><creator>Jin, Qi</creator><creator>Xiao, Junpeng</creator><creator>Wu, Lili</creator><creator>Zhang, Xitian</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20220208</creationdate><title>V2CTX catalyzes polysulfide conversion to enhance the redox kinetics of Li–S batteries</title><author>Han, Fengfeng ; Jin, Qi ; Xiao, Junpeng ; Wu, Lili ; Zhang, Xitian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c187t-52a649767e5b502bc45d37636e95ac5d3c22aef50be7e89c600ca99e853267d63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Catalytic converters</topic><topic>Conversion</topic><topic>Decay rate</topic><topic>Discharge</topic><topic>Energy storage</topic><topic>Flux density</topic><topic>Kinetics</topic><topic>Lithium sulfur batteries</topic><topic>Polysulfides</topic><topic>Separators</topic><topic>Storage batteries</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Fengfeng</creatorcontrib><creatorcontrib>Jin, Qi</creatorcontrib><creatorcontrib>Xiao, Junpeng</creatorcontrib><creatorcontrib>Wu, Lili</creatorcontrib><creatorcontrib>Zhang, Xitian</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Fengfeng</au><au>Jin, Qi</au><au>Xiao, Junpeng</au><au>Wu, Lili</au><au>Zhang, Xitian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>V2CTX catalyzes polysulfide conversion to enhance the redox kinetics of Li–S batteries</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><date>2022-02-08</date><risdate>2022</risdate><volume>51</volume><issue>6</issue><spage>2560</spage><epage>2566</epage><pages>2560-2566</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>Lithium–sulfur (Li–S) batteries have the potential to become the future energy storage system, yet they are plagued by sluggish redox kinetics. Therefore, enhancing the redox kinetics of polysulfides is key for the development of high-energy density and long-life Li–S batteries. Herein, a Ketjen Black (KB)/V2CTX modified separator (KB/V2CTX-PP) based on the catalytic effect in continuous solid-to-liquid-to-solid reactions is proposed to accelerate the conversion of sulfur species during the charge/discharge process in which the V2CTX can enhance the redox kinetics and inhibit polysulfide shuttling. The cells assembled with KB/V2CTX-PP achieve a gratifying first discharge capacity of 1236.1 mA h g−1 at 0.2C and the average capacity decay per cycle reaches 0.049% within 1000 cycles at 1C. The work provides an efficient idea to accelerate redox conversion and suppress shuttle effects by designing a multifunctional catalytic separator.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1dt04158d</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1477-9226 |
| ispartof | Dalton transactions : an international journal of inorganic chemistry, 2022-02, Vol.51 (6), p.2560-2566 |
| issn | 1477-9226 1477-9234 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Catalytic converters Conversion Decay rate Discharge Energy storage Flux density Kinetics Lithium sulfur batteries Polysulfides Separators Storage batteries |
| title | V2CTX catalyzes polysulfide conversion to enhance the redox kinetics of Li–S batteries |
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