Article
Chemistry, Multidisciplinary
Shuying Kong, Xinzhu Xiang, Binbin Jin, Xiaogang Guo, Huijun Wang, Guoqing Zhang, Huisheng Huang, Kui Cheng
Summary: In this study, biomass-derived hierarchical porous carbon doped with B, O, and N was successfully synthesized. The carbon material exhibited a high specific surface area and abundant heteroatom doping, resulting in excellent specific capacitance, energy density, and cycling stability.
Article
Chemistry, Physical
Chongjun Zhao, Yiwen Ding, Yaoxuan Huang, Nan Li, Yaqi Hu, Chunhua Zhao
Summary: The study developed a 3D hierarchical porous carbon derived from natural soybean roots, which exhibited abundant hierarchical pores, large specific surface area, and high specific capacitance. The carbon material showed potential for application as high-performance electrode materials.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Analytical
Yajun Gao, Jiamin Wang, Yitian Du, Chunsen Wu, Huaxiang Li, Zhenquan Yang, Zhiyan Chen, Zhanjun Yang
Summary: An ultrasensitive label-free electrochemical immunosensor was developed for quantitative detection of Lactobacillus rhamnosus GG (LGG). The unique structure design of the carbon material used in the immunosensor allowed for a large specific surface area and excellent electrical conductivity, enabling label-free electrochemical immunosensing of LGG. The immunosensor showed a good linear relationship and low detection limit, as well as good specificity, long-term stability, and reliability.
Article
Chemistry, Physical
Tingting Chen, Zizhen Huang, Jiaxin Liu, Linqi Jiang, Jiafan Chu, Chunmei Song, Aiguo Kong
Summary: The new Mn-N-C material exhibits high catalytic activity for oxygen reduction reaction in both alkaline and acidic media, along with impressive capacitive storage performance. The abundant Mn-N-x sites and few MnO nanoparticles contribute to its efficient catalytic activity and storage performance.
Article
Polymer Science
Jin Jiang, Mengyao Wang, Wenli Zhao, Huihui Liu, Yan Wang, Ping Song, Zhi Wang
Summary: To address the low energy density of supercapacitors, researchers developed a simple and sustainable synthesis method using a new bio-based polybenzoxazine material to produce nitrogen, oxygen, and sulfur-doped hierarchical porous carbons (NOSHPCs). The resulting NOSHPCs exhibited a large specific surface area and pore volume, as well as a rich micro-, meso-, and macro-porous structure. The best electrode material showed a high specific capacitance and energy density, along with excellent cycling stability.
EUROPEAN POLYMER JOURNAL
(2023)
Article
Thermodynamics
Hongwei Liu, Yongzhen Wang, Liang Lv, Xiao Liu, Ziqi Wang, Jun Liu
Summary: Functional coal-based carbon materials with suitable pore structure and surface properties were prepared from lignite through a ball milling-assisted bimetallic salt catalytic pyrolysis strategy. The optimized carbon material, OHPC-1, exhibited a large specific surface area, rational pore structure distribution, and suitable oxygen doping, leading to excellent charge storage and fast electrolyte ions diffusion. The assembled OHPC-1//OHPC-1 symmetrical capacitor showed high energy density and cycling stability at different power densities, demonstrating the promising application of lignite in the preparation of cost-effective porous carbons for high-performance supercapacitors.
Article
Chemistry, Physical
Huaran Zhang, Zixu Wang, Xingxing Li, Mengxiang Zhu, Jinping Zhou
Summary: This study successfully prepared N, O co-doped hierarchical porous carbon material using chitin as a carbon source and KOH as an activator. The obtained material exhibited ultrahigh specific surface area and large pore volume, showing excellent electrochemical performance and making it an ideal material for high-performance supercapacitors.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Guan Wu, Ziyang Ma, Xingjiang Wu, Xiaolin Zhu, Zengming Man, Wangyang Lu, Jianhong Xu
Summary: This study demonstrates high-performance fibre-based electrochemical supercapacitors (FESCs) constructed using hetero-structured polymetallic oxides/porous graphene core-sheath fibres. The FESCs exhibit high areal capacitance and manageable Faradaic reversibility. Furthermore, the solid-state FESCs based on these fibres show high energy-density, long-life cycles, diverse-powered capabilities, and actual energy-supply applications.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Energy & Fuels
Tao Feng, Shunrui Wang, Yingnan Hua, Peng Zhou, Gang Liu, Kai Ji, Zhiying Lin, Shengwei Shi, Xingmao Jiang, Rubing Zhang
Summary: This study presents a promising strategy to convert sorghum seeds into efficient electrode material for supercapacitors, achieving high specific surface area, abundant hierarchical pores, and doping elements. The derived carbon displays excellent capacitance and cycling stability, providing a sustainable and eco-friendly approach for high-performance supercapacitors.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Materials Science, Multidisciplinary
Xipeng Xin, Na Song, Ruiming Jia, Bingnan Wang, Hongzhou Dong, Shuai Ma, Lina Sui, Yingjie Chen, Qian Zhang, Lifeng Dong, Liyan Yu
Summary: A N, P-codoped hierarchical porous carbon has been successfully synthesized with a high specific surface area and N-doping level, showing superior electrochemical performances including high capacitance, excellent rate capability, and long-term stability. These carbon materials have great potential for applications in supercapacitors.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Energy & Fuels
Meng Wu, Sheng Xu, Xiang Li, Tingkai Zhang, Zongze Lv, Zhiguo Li, Xiaoli Li
Summary: This study proposed a new strategy to regulate the pore structure of waste wood, resulting in improved performance of carbon electrodes. The obtained wooden porous carbon exhibited excellent specific capacitance and cycling stability, making it suitable for supercapacitors.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Multidisciplinary
Fangfang Chang, Panpan Su, Utsab Guharoy, Runping Ye, Yanfu Ma, Huajun Zheng, Yi Jia, Jian Liu
Summary: This study synthesized a series of edge-enriched N, S co-doped carbon materials by pyrolysis of thiourea encapsulated in zeolitic imidazolate frameworks. These materials exhibited excellent oxygen reduction reaction (ORR) performance in alkaline medium, with low onset potential, good stability, and methanol tolerance. Density functional theory (DFT) calculations revealed that the carbon atoms adjacent to N and S are the probable active sites for ORR intermediates in the edge-enriched N, S co-doped carbon materials, due to their higher electron density, which enhances O2 adsorption and lowers the formation barriers of intermediates, thereby improving the ORR performance.
CHINESE CHEMICAL LETTERS
(2023)
Article
Energy & Fuels
Fan Yin, Kun-Lang Lu, Xian-Yong Wei, Zi-Chun Fan, Jia-Hao Li, Qian-Qian Kong, Zhi-Min Zong, Hong-Cun Bai
Summary: A novel co-activation/graphitization strategy using KOH and Ni was proposed to fabricate N/O self-doped hierarchical porous carbons, with coal tar pitch (CTP) as a low-cost precursor. The resulting carbons showed excellent electrochemical performance, making them promising for super-capacitor applications.
Article
Chemistry, Physical
Min Eui Lee, Jiseon Yoo, Hyoung-Joon Jin, Se Youn Cho, Yong Suk Chung
Summary: The porous activated carbon prepared using kenaf as biomass carbon precursor showed excellent electrochemical performance as the cathode of a lithium-ion capacitor, with high specific surface area, applicable pore volume, and well-developed carbon structure. This biomass-derived carbon demonstrated outstanding specific capacity, rate capability, and cycling stability, indicating that optimizing the pore and carbon microstructure contributed to enhancing the energy density of the lithium-ion capacitor.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Shuaishuai Xu, Yang Gao, Tao Liang, Lipeng Zhang, Bin Wang
Summary: In this study, an N, O co-doped carbon xerogel-based electrocatalyst (NO-CX) was prepared by a simple and economical method. The NO-CX catalyst exhibited high H2O2 selectivity and production rate within a specific potential range. Density functional theory calculations revealed the coupling effect of N and O on catalytic activity.
CHINESE CHEMICAL LETTERS
(2022)
