Electrochemical stability of graphene cathode for high-voltage lithium ion capacitors
The energy density of electrochemical lithium ion capacitors can be effectively improved through implementing both high capacity cathode and high voltage electrolyte. Graphene is considered as one of the most promising cathodes for lithium ion capacitors because of its high electric conductivity, tu...
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| Veröffentlicht in: | Asia-Pacific journal of chemical engineering 2016-05, Vol.11 (3), p.407-414 |
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| container_title | Asia-Pacific journal of chemical engineering |
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| creator | Wang, Yu-Zuo Shan, Xu-Yi Wang, Da-Wei Chen, Cheng-Meng Li, Feng Cheng, Hui-Ming |
| description | The energy density of electrochemical lithium ion capacitors can be effectively improved through implementing both high capacity cathode and high voltage electrolyte. Graphene is considered as one of the most promising cathodes for lithium ion capacitors because of its high electric conductivity, tunable surface functional groups and controllable pore structure. The development of 5‐V organic electrolyte provides an opportunity to expand the stable working potential window of graphene cathodes. In this work, we explored the high‐voltage electrochemical behavior of graphene cathodes in a 5‐V organic electrolyte (3.0–5.0 V vs Li/Li+). The prohibiting effect of small pores ( |
| doi_str_mv | 10.1002/apj.2001 |
| format | Article |
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Graphene is considered as one of the most promising cathodes for lithium ion capacitors because of its high electric conductivity, tunable surface functional groups and controllable pore structure. The development of 5‐V organic electrolyte provides an opportunity to expand the stable working potential window of graphene cathodes. In this work, we explored the high‐voltage electrochemical behavior of graphene cathodes in a 5‐V organic electrolyte (3.0–5.0 V vs Li/Li+). The prohibiting effect of small pores (<5 nm) on electrolyte decomposition during cycling is noticed and correlated with the pore size of graphene powders. The results showed the excellent cycling stability (100% retention after 2000 cycles) of graphene cathodes abundant with pores smaller than 5 nm. This finding indicates a new strategy for practical improvement of graphene‐related electrode applications. © 2016 Curtin University of Technology and John Wiley & Sons, Ltd.</description><identifier>ISSN: 1932-2135</identifier><identifier>EISSN: 1932-2143</identifier><identifier>DOI: 10.1002/apj.2001</identifier><language>eng</language><publisher>Blackwell Publishing Ltd</publisher><subject>Capacitors ; Cathodes ; Cycles ; Electrolytes ; Graphene ; high voltage electrolyte ; Lithium ; lithium ion capacitors ; Nonaqueous electrolytes ; pore size distribution ; Porosity ; stability</subject><ispartof>Asia-Pacific journal of chemical engineering, 2016-05, Vol.11 (3), p.407-414</ispartof><rights>2016 Curtin University of Technology and John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4431-96589e380d8a63b42be1f1a9749065275a94f0a156f95af2c91aa5baa110d1e43</citedby><cites>FETCH-LOGICAL-c4431-96589e380d8a63b42be1f1a9749065275a94f0a156f95af2c91aa5baa110d1e43</cites><orcidid>0000-0002-2213-9914</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%2Fapj.2001$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapj.2001$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,778,782,1414,27907,27908,45557,45558</link.rule.ids></links><search><creatorcontrib>Wang, Yu-Zuo</creatorcontrib><creatorcontrib>Shan, Xu-Yi</creatorcontrib><creatorcontrib>Wang, Da-Wei</creatorcontrib><creatorcontrib>Chen, Cheng-Meng</creatorcontrib><creatorcontrib>Li, Feng</creatorcontrib><creatorcontrib>Cheng, Hui-Ming</creatorcontrib><title>Electrochemical stability of graphene cathode for high-voltage lithium ion capacitors</title><title>Asia-Pacific journal of chemical engineering</title><addtitle>Asia-Pac. J. Chem. Eng</addtitle><description>The energy density of electrochemical lithium ion capacitors can be effectively improved through implementing both high capacity cathode and high voltage electrolyte. Graphene is considered as one of the most promising cathodes for lithium ion capacitors because of its high electric conductivity, tunable surface functional groups and controllable pore structure. The development of 5‐V organic electrolyte provides an opportunity to expand the stable working potential window of graphene cathodes. In this work, we explored the high‐voltage electrochemical behavior of graphene cathodes in a 5‐V organic electrolyte (3.0–5.0 V vs Li/Li+). The prohibiting effect of small pores (<5 nm) on electrolyte decomposition during cycling is noticed and correlated with the pore size of graphene powders. The results showed the excellent cycling stability (100% retention after 2000 cycles) of graphene cathodes abundant with pores smaller than 5 nm. This finding indicates a new strategy for practical improvement of graphene‐related electrode applications. © 2016 Curtin University of Technology and John Wiley & Sons, Ltd.</description><subject>Capacitors</subject><subject>Cathodes</subject><subject>Cycles</subject><subject>Electrolytes</subject><subject>Graphene</subject><subject>high voltage electrolyte</subject><subject>Lithium</subject><subject>lithium ion capacitors</subject><subject>Nonaqueous electrolytes</subject><subject>pore size distribution</subject><subject>Porosity</subject><subject>stability</subject><issn>1932-2135</issn><issn>1932-2143</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp10E9PwjAYx_HFaCKiiS9hRy_D_t3WIyGI4qIeJCZcmmelZcVBZztU3r0jGI0HT89z-OR3-EbRJUYDjBC5hmY1IAjho6iHBSUJwYwe__yUn0ZnIawQ4oykrBfNxrVWrXeq0muroI5DC6WtbbuLnYmXHppKb3SsoK3cQsfG-biyyyp5d3ULSx13srLbdWzdpkMNKNs6H86jEwN10Bfftx_NbsbPo9ukeJzcjYZFohijOBEpz4WmOVrkkNKSkVJjg0FkTKCUk4yDYAYB5qkRHAxRAgPwEgBjtMCa0X50ddhtvHvb6tDKtQ1K1zVstNsGiXPCWcpRTn-p8i4Er41svF2D30mM5L6c7MrJfbmOJgf6YWu9-9fJ4dP0r7eh1Z8_HvyrTDOacfnyMJFsej8vJvORLOgXB7t-fA</recordid><startdate>201605</startdate><enddate>201605</enddate><creator>Wang, Yu-Zuo</creator><creator>Shan, Xu-Yi</creator><creator>Wang, Da-Wei</creator><creator>Chen, Cheng-Meng</creator><creator>Li, Feng</creator><creator>Cheng, Hui-Ming</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-2213-9914</orcidid></search><sort><creationdate>201605</creationdate><title>Electrochemical stability of graphene cathode for high-voltage lithium ion capacitors</title><author>Wang, Yu-Zuo ; Shan, Xu-Yi ; Wang, Da-Wei ; Chen, Cheng-Meng ; Li, Feng ; Cheng, Hui-Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4431-96589e380d8a63b42be1f1a9749065275a94f0a156f95af2c91aa5baa110d1e43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Capacitors</topic><topic>Cathodes</topic><topic>Cycles</topic><topic>Electrolytes</topic><topic>Graphene</topic><topic>high voltage electrolyte</topic><topic>Lithium</topic><topic>lithium ion capacitors</topic><topic>Nonaqueous electrolytes</topic><topic>pore size distribution</topic><topic>Porosity</topic><topic>stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Yu-Zuo</creatorcontrib><creatorcontrib>Shan, Xu-Yi</creatorcontrib><creatorcontrib>Wang, Da-Wei</creatorcontrib><creatorcontrib>Chen, Cheng-Meng</creatorcontrib><creatorcontrib>Li, Feng</creatorcontrib><creatorcontrib>Cheng, Hui-Ming</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Asia-Pacific journal of chemical engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Yu-Zuo</au><au>Shan, Xu-Yi</au><au>Wang, Da-Wei</au><au>Chen, Cheng-Meng</au><au>Li, Feng</au><au>Cheng, Hui-Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrochemical stability of graphene cathode for high-voltage lithium ion capacitors</atitle><jtitle>Asia-Pacific journal of chemical engineering</jtitle><addtitle>Asia-Pac. J. Chem. Eng</addtitle><date>2016-05</date><risdate>2016</risdate><volume>11</volume><issue>3</issue><spage>407</spage><epage>414</epage><pages>407-414</pages><issn>1932-2135</issn><eissn>1932-2143</eissn><abstract>The energy density of electrochemical lithium ion capacitors can be effectively improved through implementing both high capacity cathode and high voltage electrolyte. Graphene is considered as one of the most promising cathodes for lithium ion capacitors because of its high electric conductivity, tunable surface functional groups and controllable pore structure. The development of 5‐V organic electrolyte provides an opportunity to expand the stable working potential window of graphene cathodes. In this work, we explored the high‐voltage electrochemical behavior of graphene cathodes in a 5‐V organic electrolyte (3.0–5.0 V vs Li/Li+). The prohibiting effect of small pores (<5 nm) on electrolyte decomposition during cycling is noticed and correlated with the pore size of graphene powders. The results showed the excellent cycling stability (100% retention after 2000 cycles) of graphene cathodes abundant with pores smaller than 5 nm. This finding indicates a new strategy for practical improvement of graphene‐related electrode applications. © 2016 Curtin University of Technology and John Wiley & Sons, Ltd.</abstract><pub>Blackwell Publishing Ltd</pub><doi>10.1002/apj.2001</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-2213-9914</orcidid></addata></record> |
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| ispartof | Asia-Pacific journal of chemical engineering, 2016-05, Vol.11 (3), p.407-414 |
| issn | 1932-2135 1932-2143 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Capacitors Cathodes Cycles Electrolytes Graphene high voltage electrolyte Lithium lithium ion capacitors Nonaqueous electrolytes pore size distribution Porosity stability |
| title | Electrochemical stability of graphene cathode for high-voltage lithium ion capacitors |
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