新型炭材料(中英文)2025,Vol.40Issue(2):382-396,15.DOI:10.1016/S1872-5805(25)60958-9
微波活化皮革废料合成氮掺杂活性炭用于锂硫电池
N-doped activated carbons from leather waste produced by microwave activation for use as the cathode of Li-S batteries
摘要
Abstract
The use of carbon from waste biomass has the potential to eliminate the drawbacks of Li-S batteries and improve their overall performance.Chrome-tanned-leather-shavings(CTLS)are a readily available waste product that can be transformed into porous carbon.We prepared an ac-tivated carbon by microwave pyrolysis combined with KOH activator using the CTLS as starting materials.The carbon had a specific surface area of 556 m2g-1 and a honeycomb-like structure.Two kinds of N-doped activated carbons were then synthesized by thermal decomposition of the activated carbon,either combined with urea,or impregnated with eth-anolamine.Both N-doped activated carbons have an in-creased number of nitrogen and amine surface groups.However,only the urea treatment was effective in improv-ing the initial capacity of the cell(1363 mAh g-1),which is probably linked to the sorption of long-chain polysulfides.This investigation confirms that it is possible to use the thermal de-composition of urea to obtain carbon materials from CTLS for use as the sulfur-host cathode in Li-S batteries and improve their performance.A radial basis function neural network was fitted to provide statistical support for the experimental results,which confirmed the importance of the nitrogen content of the carbons in determining the discharge capacity of the cells.关键词
皮革废料/微波活化/锂硫电池/尿素分解/炭材料Key words
Leather wastes/Microwave activation/Lithium-sulfur battery/Urea decomposition/Carbon material分类
化学化工引用本文复制引用
Carolina Pano-Azucena,Roberto Rosas-Rangel,Miguel Olvera-Sosa,Rene Rangel-Mendez,Luis Felipe Chazaro-Ruiz,Miguel Avalos-Borja,Javier Antonio Arcibar-Orozco..微波活化皮革废料合成氮掺杂活性炭用于锂硫电池[J].新型炭材料(中英文),2025,40(2):382-396,15.基金项目
This project was funded by CONAHCYT through the project of"Ciencia de frontera"(CF 2019-1727999).Carolina Pano and Miguel Olvera ap-preciate the scholarship granted for master's study and postdoctoral's stay,respectively.The authors appreci-ate the assistance of the National laboratories LINAN and LANBAMA,as well as the laboratory techni-cians Ana Iris Peña Maldonado,Ignacio Becerril,Hector Silva,Beatriz Adriana Rivera Escoto,Eliza-beth Diane Isaacs Paez,(IPICYT)and Miroslava Ale-jandra Silva Goujon(CIATEC).The assistance of Luz Mariana González León in the English Language is appreciated. Ciencia de frontera(CF2019-1727999). (CF 2019-1727999)