通过一步熔盐碳化法制备用于锌-离子混合超级电容器的荷叶衍生电容碳

IF 2.5 4区 材料科学 Q2 CHEMISTRY, APPLIED Journal of Porous Materials Pub Date : 2024-08-27 DOI:10.1007/s10934-024-01678-6
Renze Pang, Jingwen Cui, Liwen Ding, Shaowei Wu, Xinhua Cheng
{"title":"通过一步熔盐碳化法制备用于锌-离子混合超级电容器的荷叶衍生电容碳","authors":"Renze Pang, Jingwen Cui, Liwen Ding, Shaowei Wu, Xinhua Cheng","doi":"10.1007/s10934-024-01678-6","DOIUrl":null,"url":null,"abstract":"<p>High-performance carbon-based cathode materials were prepared by means of a facile eco-friendly and cost-effective molten salt carbonization of lotus leaves in eutectic (Na/K)<sub>2</sub>CO<sub>3</sub> melt at 850 °C for aqueous zinc-ion hybrid supercapacitors (ZHSCs). Coin-type ZHSCs assembled as Carbon//Zn@Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> delivered 164.3 F g<sup>− 1</sup> at 0.2 A g<sup>− 1</sup> and 95.2 F g<sup>− 1</sup> at 20 A g<sup>− 1</sup> with capacitance retention of 57.9% using 2 M ZnSO<sub>4</sub> solution as electrolyte. Meanwhile, it delivered the maximum energy density of 65.2 Wh kg<sup>− 1</sup> at 169.0 W kg<sup>− 1</sup> and the maximum power density of 13.3 kW kg<sup>− 1</sup> at 23.3 Wh kg<sup>− 1</sup>. Benefitting from the multifunctionally interface-modified Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> layer acting as physical barrier and Zn<sup>2+</sup>-transfer ionic conductor, it revealed outstanding recyclability with capacitance retention of 96.6% and coulombic efficiency of 99.6% after 10,000 charge-discharge cycles at 1 A g<sup>-1</sup>. The synergistic effect on energy storage performance was discussed between porous structure, specific surface area, heteroatom doping and electrical conductivity.</p>","PeriodicalId":660,"journal":{"name":"Journal of Porous Materials","volume":null,"pages":null},"PeriodicalIF":2.5000,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Lotus leaf-derived capacitive carbon for zinc-ion hybrid supercapacitors prepared by one-step molten salt carbonization\",\"authors\":\"Renze Pang, Jingwen Cui, Liwen Ding, Shaowei Wu, Xinhua Cheng\",\"doi\":\"10.1007/s10934-024-01678-6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>High-performance carbon-based cathode materials were prepared by means of a facile eco-friendly and cost-effective molten salt carbonization of lotus leaves in eutectic (Na/K)<sub>2</sub>CO<sub>3</sub> melt at 850 °C for aqueous zinc-ion hybrid supercapacitors (ZHSCs). Coin-type ZHSCs assembled as Carbon//Zn@Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> delivered 164.3 F g<sup>− 1</sup> at 0.2 A g<sup>− 1</sup> and 95.2 F g<sup>− 1</sup> at 20 A g<sup>− 1</sup> with capacitance retention of 57.9% using 2 M ZnSO<sub>4</sub> solution as electrolyte. Meanwhile, it delivered the maximum energy density of 65.2 Wh kg<sup>− 1</sup> at 169.0 W kg<sup>− 1</sup> and the maximum power density of 13.3 kW kg<sup>− 1</sup> at 23.3 Wh kg<sup>− 1</sup>. Benefitting from the multifunctionally interface-modified Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> layer acting as physical barrier and Zn<sup>2+</sup>-transfer ionic conductor, it revealed outstanding recyclability with capacitance retention of 96.6% and coulombic efficiency of 99.6% after 10,000 charge-discharge cycles at 1 A g<sup>-1</sup>. The synergistic effect on energy storage performance was discussed between porous structure, specific surface area, heteroatom doping and electrical conductivity.</p>\",\"PeriodicalId\":660,\"journal\":{\"name\":\"Journal of Porous Materials\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2024-08-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Porous Materials\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1007/s10934-024-01678-6\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, APPLIED\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Porous Materials","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1007/s10934-024-01678-6","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}
引用次数: 0

摘要

通过对荷叶在共晶(Na/K)2CO3 熔体中进行 850 °C、环保且经济高效的熔盐碳化,制备了高性能碳基阴极材料,用于水性锌离子混合超级电容器(ZHSCs)。以 2 M ZnSO4 溶液为电解质,组装成 Carbon//Zn@Zn3(PO4)2 的硬币型 ZHSC 在 0.2 A g- 1 时的电容量为 164.3 F g- 1,在 20 A g- 1 时的电容量为 95.2 F g- 1,电容保持率为 57.9%。同时,在 169.0 W kg- 1 的条件下,它能提供 65.2 Wh kg- 1 的最大能量密度;在 23.3 Wh kg- 1 的条件下,它能提供 13.3 kW kg- 1 的最大功率密度。得益于作为物理屏障和 Zn2+ 转移离子导体的多功能界面修饰 Zn3(PO4)2 层,该电池具有出色的可回收性,在 1 A g-1 的条件下经过 10,000 次充放电循环后,电容保持率达到 96.6%,库仑效率达到 99.6%。讨论了多孔结构、比表面积、杂原子掺杂和导电性之间对储能性能的协同效应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

摘要图片

查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
Lotus leaf-derived capacitive carbon for zinc-ion hybrid supercapacitors prepared by one-step molten salt carbonization

High-performance carbon-based cathode materials were prepared by means of a facile eco-friendly and cost-effective molten salt carbonization of lotus leaves in eutectic (Na/K)2CO3 melt at 850 °C for aqueous zinc-ion hybrid supercapacitors (ZHSCs). Coin-type ZHSCs assembled as Carbon//Zn@Zn3(PO4)2 delivered 164.3 F g− 1 at 0.2 A g− 1 and 95.2 F g− 1 at 20 A g− 1 with capacitance retention of 57.9% using 2 M ZnSO4 solution as electrolyte. Meanwhile, it delivered the maximum energy density of 65.2 Wh kg− 1 at 169.0 W kg− 1 and the maximum power density of 13.3 kW kg− 1 at 23.3 Wh kg− 1. Benefitting from the multifunctionally interface-modified Zn3(PO4)2 layer acting as physical barrier and Zn2+-transfer ionic conductor, it revealed outstanding recyclability with capacitance retention of 96.6% and coulombic efficiency of 99.6% after 10,000 charge-discharge cycles at 1 A g-1. The synergistic effect on energy storage performance was discussed between porous structure, specific surface area, heteroatom doping and electrical conductivity.

求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
Journal of Porous Materials
Journal of Porous Materials 工程技术-材料科学:综合
CiteScore
4.80
自引率
7.70%
发文量
203
审稿时长
2.6 months
期刊介绍: The Journal of Porous Materials is an interdisciplinary and international periodical devoted to all types of porous materials. Its aim is the rapid publication of high quality, peer-reviewed papers focused on the synthesis, processing, characterization and property evaluation of all porous materials. The objective is to establish a unique journal that will serve as a principal means of communication for the growing interdisciplinary field of porous materials. Porous materials include microporous materials with 50 nm pores. Examples of microporous materials are natural and synthetic molecular sieves, cationic and anionic clays, pillared clays, tobermorites, pillared Zr and Ti phosphates, spherosilicates, carbons, porous polymers, xerogels, etc. Mesoporous materials include synthetic molecular sieves, xerogels, aerogels, glasses, glass ceramics, porous polymers, etc.; while macroporous materials include ceramics, glass ceramics, porous polymers, aerogels, cement, etc. The porous materials can be crystalline, semicrystalline or noncrystalline, or combinations thereof. They can also be either organic, inorganic, or their composites. The overall objective of the journal is the establishment of one main forum covering the basic and applied aspects of all porous materials.
期刊最新文献
Correction: One-step synthesis of CuO/MCM-41 nanocomposites and their application in photocatalytic degradation of dyes Modification of SBA-15 for stabilizing supported oxides Lotus leaf-derived capacitive carbon for zinc-ion hybrid supercapacitors prepared by one-step molten salt carbonization Influence of various templates on the performance of MFI zeolite in catalytic synthesis of trioxane Facile synthesis of copper sulfide loaded mesoporous organosilica nanospheres with a triple-shelled hollow structure
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1