A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitor
In this work, we proposed a facile one-pot pyrolysis method to conveniently manufacture lignin-derived carbon materials with graded porous construction for use in supercapacitors. The renewable lignin was selected as precursor, while the potassium citrate was used as a pore-forming agent. The proper...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-07-01
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| Series: | Journal of Saudi Chemical Society |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S131961032300090X |
| _version_ | 1797737384748515328 |
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| author | Xiaohan Zhang Bo Wang Weijie Cai Yuanhao Wang Xiaojuan Shi Fengzhi Tan |
| author_facet | Xiaohan Zhang Bo Wang Weijie Cai Yuanhao Wang Xiaojuan Shi Fengzhi Tan |
| author_sort | Xiaohan Zhang |
| collection | DOAJ |
| description | In this work, we proposed a facile one-pot pyrolysis method to conveniently manufacture lignin-derived carbon materials with graded porous construction for use in supercapacitors. The renewable lignin was selected as precursor, while the potassium citrate was used as a pore-forming agent. The properties of the prepared lignin-derived carbon (LAC) and the performance for supercapacitor application were thoroughly evaluated. The LAC at optimal preparation conditions shows a layered porous structure with a large specific surface area of 3174 cm2 g−1 and pore volume of 2.796 cm3 g−1, where the specific capacitance reach to 241 F g−1 at 1 A g−1 scan rate in 6 M KOH electrolyte solution. At the same time, the specific capacitance remains at 220 F g−1 even at an excessive scan velocity of 20 A g−1, while the capacitance retention is still close to 91.3%. The capacitance retention rate is stable above 95% after 10,000 charge/discharge cycles, which shows the desired long-time stability. All these results demonstrate the outstanding properties of the new prepared LAC material and the considerable application potential in the field of electrical energy storage. |
| first_indexed | 2024-03-12T13:27:56Z |
| format | Article |
| id | doaj.art-e15d1f605d364bd5a5828698a1c7efac |
| institution | Directory Open Access Journal |
| issn | 1319-6103 |
| language | English |
| last_indexed | 2024-03-12T13:27:56Z |
| publishDate | 2023-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Saudi Chemical Society |
| spelling | doaj.art-e15d1f605d364bd5a5828698a1c7efac2023-08-25T04:23:54ZengElsevierJournal of Saudi Chemical Society1319-61032023-07-01274101686A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitorXiaohan Zhang0Bo Wang1Weijie Cai2Yuanhao Wang3Xiaojuan Shi4Fengzhi Tan5School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, ChinaSchool of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, ChinaSchool of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, ChinaSchool of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, ChinaSchool of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, ChinaCorresponding author at: School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.; School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, ChinaIn this work, we proposed a facile one-pot pyrolysis method to conveniently manufacture lignin-derived carbon materials with graded porous construction for use in supercapacitors. The renewable lignin was selected as precursor, while the potassium citrate was used as a pore-forming agent. The properties of the prepared lignin-derived carbon (LAC) and the performance for supercapacitor application were thoroughly evaluated. The LAC at optimal preparation conditions shows a layered porous structure with a large specific surface area of 3174 cm2 g−1 and pore volume of 2.796 cm3 g−1, where the specific capacitance reach to 241 F g−1 at 1 A g−1 scan rate in 6 M KOH electrolyte solution. At the same time, the specific capacitance remains at 220 F g−1 even at an excessive scan velocity of 20 A g−1, while the capacitance retention is still close to 91.3%. The capacitance retention rate is stable above 95% after 10,000 charge/discharge cycles, which shows the desired long-time stability. All these results demonstrate the outstanding properties of the new prepared LAC material and the considerable application potential in the field of electrical energy storage.http://www.sciencedirect.com/science/article/pii/S131961032300090XHierarchical porous carbonLigninPotassium citrateSupercapacitors |
| spellingShingle | Xiaohan Zhang Bo Wang Weijie Cai Yuanhao Wang Xiaojuan Shi Fengzhi Tan A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitor Journal of Saudi Chemical Society Hierarchical porous carbon Lignin Potassium citrate Supercapacitors |
| title | A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitor |
| title_full | A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitor |
| title_fullStr | A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitor |
| title_full_unstemmed | A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitor |
| title_short | A facile synthesis of hierarchical porous carbon derived from renewable lignin for high-performance supercapacitor |
| title_sort | facile synthesis of hierarchical porous carbon derived from renewable lignin for high performance supercapacitor |
| topic | Hierarchical porous carbon Lignin Potassium citrate Supercapacitors |
| url | http://www.sciencedirect.com/science/article/pii/S131961032300090X |
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