One-pot synthesis of N-doped petroleum coke-based microporous carbon for high-performance CO2 adsorption and supercapacitors
•A simple and efficient one-pot synthesis route was successfully conducted.•Petroleum coke-based microporous carbon exhibits high CO2 uptake (4.25 mmol/g at 25°C and 1 bar) and specific capacitance (233.25 F/g at 0.5A/g).•Ultra-micropores and basic N species are crucial factors for the enhanced CO2...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2024-05, Vol.139, p.93-104 |
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| container_title | Journal of environmental sciences (China) |
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| creator | Zhu, Wenfu Wang, Yuqin Yao, Fan Wang, Xiaohong Zheng, Haoming Ye, Guangzheng Cheng, Hairong Wu, Junliang Huang, Haomin Ye, Daiqi |
| description | •A simple and efficient one-pot synthesis route was successfully conducted.•Petroleum coke-based microporous carbon exhibits high CO2 uptake (4.25 mmol/g at 25°C and 1 bar) and specific capacitance (233.25 F/g at 0.5A/g).•Ultra-micropores and basic N species are crucial factors for the enhanced CO2 uptake and CO2/N2 selectivity respectively.•Waste resource utilization and global CO2 emission reduction can be realized simultaneously.
Waste resource utilization of petroleum coke is crucial for achieving global carbon emission reduction. Herein, a series of N-doped microporous carbons were fabricated from petroleum coke using a one-pot synthesis method. The as-prepared samples had a large specific surface area (up to 2512 m2/g), a moderate-high N content (up to 4.82 at.%), and high population (55%) of ultra-micropores ( |
| doi_str_mv | 10.1016/j.jes.2023.02.008 |
| format | Article |
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Waste resource utilization of petroleum coke is crucial for achieving global carbon emission reduction. Herein, a series of N-doped microporous carbons were fabricated from petroleum coke using a one-pot synthesis method. The as-prepared samples had a large specific surface area (up to 2512 m2/g), a moderate-high N content (up to 4.82 at.%), and high population (55%) of ultra-micropores (<0.7 nm). Regulating the N content and ultra-microporosity led to efficient CO2 adsorption and separation. At ambient pressure, the optimal N-doped petroleum coke-based microporous carbon exhibited the highest CO2 uptake of 4.25 mmol/g at 25°C and 6.57 mmol/g at 0°C. These values are comparable or even better than those of numerous previously reported adsorbents prepared by multistep synthesis, primarily due to the existence of ultra-micropores. The sample exhibited excellent CO2/N2 selectivity at 25°C owing to the abundant basic pyridinic and pyrrolic N species; and showed superior CO2 adsorption-desorption cycling performance, which was maintained at 97% after 10 cycles at 25°C. Moreover, petroleum coke-based microporous carbon, with a considerably high specific surface area and hierarchical pore structure, exhibited excellent electrochemical performance over the N-doped sample, maintaining a favorable specific capacitance of 233.25 F/g at 0.5 A/g in 6 mol/L KOH aqueous electrolyte. This study provides insight into the influence of N-doping on the porous properties of petroleum coke-based carbon. Furthermore, the as-prepared carbons were found to be promising adsorbents for CO2 adsorption, CO2/N2 separation and electrochemical application.
[Display omitted]</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.1016/j.jes.2023.02.008</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>adsorbents ; adsorption ; ambient pressure ; capacitance ; carbon ; carbon dioxide ; CO2 adsorption ; CO2/N2 selectivity ; electrochemical capacitors ; Electrochemical performance ; electrochemistry ; electrolytes ; N-doped microporous carbon ; nitrogen content ; One-pot synthesis ; petroleum ; porous media ; species ; surface area ; synthesis</subject><ispartof>Journal of environmental sciences (China), 2024-05, Vol.139, p.93-104</ispartof><rights>2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-5a8961b32d7b04e91f4a353fe37d13ac512a5c77012106c22d67d9add750bde53</citedby><cites>FETCH-LOGICAL-c363t-5a8961b32d7b04e91f4a353fe37d13ac512a5c77012106c22d67d9add750bde53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jes.2023.02.008$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3541,27915,27916,45986</link.rule.ids></links><search><creatorcontrib>Zhu, Wenfu</creatorcontrib><creatorcontrib>Wang, Yuqin</creatorcontrib><creatorcontrib>Yao, Fan</creatorcontrib><creatorcontrib>Wang, Xiaohong</creatorcontrib><creatorcontrib>Zheng, Haoming</creatorcontrib><creatorcontrib>Ye, Guangzheng</creatorcontrib><creatorcontrib>Cheng, Hairong</creatorcontrib><creatorcontrib>Wu, Junliang</creatorcontrib><creatorcontrib>Huang, Haomin</creatorcontrib><creatorcontrib>Ye, Daiqi</creatorcontrib><title>One-pot synthesis of N-doped petroleum coke-based microporous carbon for high-performance CO2 adsorption and supercapacitors</title><title>Journal of environmental sciences (China)</title><description>•A simple and efficient one-pot synthesis route was successfully conducted.•Petroleum coke-based microporous carbon exhibits high CO2 uptake (4.25 mmol/g at 25°C and 1 bar) and specific capacitance (233.25 F/g at 0.5A/g).•Ultra-micropores and basic N species are crucial factors for the enhanced CO2 uptake and CO2/N2 selectivity respectively.•Waste resource utilization and global CO2 emission reduction can be realized simultaneously.
Waste resource utilization of petroleum coke is crucial for achieving global carbon emission reduction. Herein, a series of N-doped microporous carbons were fabricated from petroleum coke using a one-pot synthesis method. The as-prepared samples had a large specific surface area (up to 2512 m2/g), a moderate-high N content (up to 4.82 at.%), and high population (55%) of ultra-micropores (<0.7 nm). Regulating the N content and ultra-microporosity led to efficient CO2 adsorption and separation. At ambient pressure, the optimal N-doped petroleum coke-based microporous carbon exhibited the highest CO2 uptake of 4.25 mmol/g at 25°C and 6.57 mmol/g at 0°C. These values are comparable or even better than those of numerous previously reported adsorbents prepared by multistep synthesis, primarily due to the existence of ultra-micropores. The sample exhibited excellent CO2/N2 selectivity at 25°C owing to the abundant basic pyridinic and pyrrolic N species; and showed superior CO2 adsorption-desorption cycling performance, which was maintained at 97% after 10 cycles at 25°C. Moreover, petroleum coke-based microporous carbon, with a considerably high specific surface area and hierarchical pore structure, exhibited excellent electrochemical performance over the N-doped sample, maintaining a favorable specific capacitance of 233.25 F/g at 0.5 A/g in 6 mol/L KOH aqueous electrolyte. This study provides insight into the influence of N-doping on the porous properties of petroleum coke-based carbon. Furthermore, the as-prepared carbons were found to be promising adsorbents for CO2 adsorption, CO2/N2 separation and electrochemical application.
[Display omitted]</description><subject>adsorbents</subject><subject>adsorption</subject><subject>ambient pressure</subject><subject>capacitance</subject><subject>carbon</subject><subject>carbon dioxide</subject><subject>CO2 adsorption</subject><subject>CO2/N2 selectivity</subject><subject>electrochemical capacitors</subject><subject>Electrochemical performance</subject><subject>electrochemistry</subject><subject>electrolytes</subject><subject>N-doped microporous carbon</subject><subject>nitrogen content</subject><subject>One-pot synthesis</subject><subject>petroleum</subject><subject>porous media</subject><subject>species</subject><subject>surface area</subject><subject>synthesis</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkUFr3DAQhU1poGnSH5Cbjr3IGWlWlpeewtImhZC9JGchS-OutmtLkbyFQH58Fbbn5jSP4XsD817TXAloBYjuet_uqbQSJLYgW4D-Q3Muet1zjRI-Vg0gOOiV_NR8LmUPACsF6rx53c7EU1xYeZmXHZVQWBzZA_cxkWeJlhwPdJyYi7-JD7bU5RRcjinmeCzM2TzEmY0xs134teOJctWTnR2xzVYy60vMaQmVsbNn5VgBZ5N1YYm5XDZnoz0U-vJvXjRPP74_bu74_fb25-bmnjvscOHK9utODCi9HmBFazGuLCocCbUXaJ0S0iqnNQgpoHNS-k77tfVeKxg8Kbxovp7uphyfj1QWM4Xi6HCwM9UvDAqFvdSo5buoXAOiRCmwouKE1jhKyTSalMNk84sRYN5KMXtTSzFvpRiQppZSPd9OHqrv_gmUTXGBalo-ZHKL8TH8x_0XgY6WEA</recordid><startdate>202405</startdate><enddate>202405</enddate><creator>Zhu, Wenfu</creator><creator>Wang, Yuqin</creator><creator>Yao, Fan</creator><creator>Wang, Xiaohong</creator><creator>Zheng, Haoming</creator><creator>Ye, Guangzheng</creator><creator>Cheng, Hairong</creator><creator>Wu, Junliang</creator><creator>Huang, Haomin</creator><creator>Ye, Daiqi</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>202405</creationdate><title>One-pot synthesis of N-doped petroleum coke-based microporous carbon for high-performance CO2 adsorption and supercapacitors</title><author>Zhu, Wenfu ; Wang, Yuqin ; Yao, Fan ; Wang, Xiaohong ; Zheng, Haoming ; Ye, Guangzheng ; Cheng, Hairong ; Wu, Junliang ; Huang, Haomin ; Ye, Daiqi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-5a8961b32d7b04e91f4a353fe37d13ac512a5c77012106c22d67d9add750bde53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>adsorbents</topic><topic>adsorption</topic><topic>ambient pressure</topic><topic>capacitance</topic><topic>carbon</topic><topic>carbon dioxide</topic><topic>CO2 adsorption</topic><topic>CO2/N2 selectivity</topic><topic>electrochemical capacitors</topic><topic>Electrochemical performance</topic><topic>electrochemistry</topic><topic>electrolytes</topic><topic>N-doped microporous carbon</topic><topic>nitrogen content</topic><topic>One-pot synthesis</topic><topic>petroleum</topic><topic>porous media</topic><topic>species</topic><topic>surface area</topic><topic>synthesis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, Wenfu</creatorcontrib><creatorcontrib>Wang, Yuqin</creatorcontrib><creatorcontrib>Yao, Fan</creatorcontrib><creatorcontrib>Wang, Xiaohong</creatorcontrib><creatorcontrib>Zheng, Haoming</creatorcontrib><creatorcontrib>Ye, Guangzheng</creatorcontrib><creatorcontrib>Cheng, Hairong</creatorcontrib><creatorcontrib>Wu, Junliang</creatorcontrib><creatorcontrib>Huang, Haomin</creatorcontrib><creatorcontrib>Ye, Daiqi</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Journal of environmental sciences (China)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhu, Wenfu</au><au>Wang, Yuqin</au><au>Yao, Fan</au><au>Wang, Xiaohong</au><au>Zheng, Haoming</au><au>Ye, Guangzheng</au><au>Cheng, Hairong</au><au>Wu, Junliang</au><au>Huang, Haomin</au><au>Ye, Daiqi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>One-pot synthesis of N-doped petroleum coke-based microporous carbon for high-performance CO2 adsorption and supercapacitors</atitle><jtitle>Journal of environmental sciences (China)</jtitle><date>2024-05</date><risdate>2024</risdate><volume>139</volume><spage>93</spage><epage>104</epage><pages>93-104</pages><issn>1001-0742</issn><eissn>1878-7320</eissn><abstract>•A simple and efficient one-pot synthesis route was successfully conducted.•Petroleum coke-based microporous carbon exhibits high CO2 uptake (4.25 mmol/g at 25°C and 1 bar) and specific capacitance (233.25 F/g at 0.5A/g).•Ultra-micropores and basic N species are crucial factors for the enhanced CO2 uptake and CO2/N2 selectivity respectively.•Waste resource utilization and global CO2 emission reduction can be realized simultaneously.
Waste resource utilization of petroleum coke is crucial for achieving global carbon emission reduction. Herein, a series of N-doped microporous carbons were fabricated from petroleum coke using a one-pot synthesis method. The as-prepared samples had a large specific surface area (up to 2512 m2/g), a moderate-high N content (up to 4.82 at.%), and high population (55%) of ultra-micropores (<0.7 nm). Regulating the N content and ultra-microporosity led to efficient CO2 adsorption and separation. At ambient pressure, the optimal N-doped petroleum coke-based microporous carbon exhibited the highest CO2 uptake of 4.25 mmol/g at 25°C and 6.57 mmol/g at 0°C. These values are comparable or even better than those of numerous previously reported adsorbents prepared by multistep synthesis, primarily due to the existence of ultra-micropores. The sample exhibited excellent CO2/N2 selectivity at 25°C owing to the abundant basic pyridinic and pyrrolic N species; and showed superior CO2 adsorption-desorption cycling performance, which was maintained at 97% after 10 cycles at 25°C. Moreover, petroleum coke-based microporous carbon, with a considerably high specific surface area and hierarchical pore structure, exhibited excellent electrochemical performance over the N-doped sample, maintaining a favorable specific capacitance of 233.25 F/g at 0.5 A/g in 6 mol/L KOH aqueous electrolyte. This study provides insight into the influence of N-doping on the porous properties of petroleum coke-based carbon. Furthermore, the as-prepared carbons were found to be promising adsorbents for CO2 adsorption, CO2/N2 separation and electrochemical application.
[Display omitted]</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jes.2023.02.008</doi><tpages>12</tpages></addata></record> |
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| subjects | adsorbents adsorption ambient pressure capacitance carbon carbon dioxide CO2 adsorption CO2/N2 selectivity electrochemical capacitors Electrochemical performance electrochemistry electrolytes N-doped microporous carbon nitrogen content One-pot synthesis petroleum porous media species surface area synthesis |
| title | One-pot synthesis of N-doped petroleum coke-based microporous carbon for high-performance CO2 adsorption and supercapacitors |
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