Article
Chemistry, Physical
Junlin Lu, Jien Li, Jing Wan, Xiangyu Han, Peiyuan Ji, Shuang Luo, Mingxin Gu, Dapeng Wei, Chenguo Hu
Summary: The in situ anchoring of Co3O4 particles on N-doped carbon cloth significantly improves the electrochemical performance of supercapacitors, achieving higher energy and power densities. Utilizing this enhanced supercapacitor, devices like a digital watch and a temperature-humidity detector can be powered for nearly 1 to 2 hours, demonstrating the potential for future energy storage and supply systems.
Article
Chemistry, Physical
Yang Cao, Kuihua Han, Zhaocai Teng, Jinxiao Li, Tongtong Ji, Xian Li, Jigang Zhang
Summary: This study proposes a strategy of synergistic activation and nitrogen-doping to synthesize nitrogen-doped porous carbon materials, and optimizes the experimental conditions to prepare a product with high specific surface area and excellent capacitance performance. The balanced nitrogen proportion was found to play a key role in enhancing the material properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Energy & Fuels
Tadepalli Mitravinda, Srinivasan Anandan, Chandra Shekhar Sharma, Tata Narasinga Rao
Summary: The nitrogen-doped nanoporous activated carbon synthesized from cork using three different stoichiometric ratios of cork carbon to melamine shows highly ordered graphitic carbon with few layered graphene-like structure. The resulting material with nitrogen content delivers high capacitance and outstanding rate capability for supercapacitor application, attributed to its unique honeycomb structure and superior textural parameters.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Physical
Zhi Zhou, Jing-Pei Cao, Yan Wu, Qi-Qi Zhuang, Xiao-Yan Zhao, Yu-Lei Wei, Hong-Cun Bai
Summary: This study successfully synthesized N/O-doped carbon spheres from waste sugar solution, demonstrating excellent electrochemical performance with high specific capacitance and energy density, providing a new method for energy storage applications.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Materials Science, Multidisciplinary
Shaofei Zhang, Jing Ren, Tao Gu, Hao Guo, Hongquan Wang, Muhammad Imran, Rui-Peng Ren, Yong-Kang Lv
Summary: This study presents a new approach to design and fabricate porous nickel cobalt sulfide sheets anchored on thermally activated carbon cloth for flexible supercapacitor anodes. The porous NiCoS/ACC electrode exhibits excellent electrochemical performance and cycling stability. The combination of excellent electrical conductivity, enriched redox-active sites, high porosity, and large electrode-electrolyte contact area contributes to the enhanced electrochemical properties.
DIAMOND AND RELATED MATERIALS
(2022)
Article
Chemistry, Physical
Xiaohu Pi, Xuxu Sun, Ruiqi Wang, Changle Chen, Shengbing Wu, Furu Zhan, Junbo Zhong, Qi Wang, Kostya Ken Ostrikov
Summary: This work presents a plasma-enabled method for preparing MoS2 nanosheet-based supercapacitor electrodes on flexible N-doped carbon cloth. The resulting MoS2/NCC electrodes show outstanding specific capacitance and energy density, as well as excellent cycling stability in an aqueous symmetric supercapacitor. This study provides a new perspective on fabricating high-performance all-solid-state flexible supercapacitors for clean energy storage.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Energy & Fuels
Gyawali Ghanashyam, Hae Kyung Jeong
Summary: A nitrogen-doped plasma treated carbon nanofiber was prepared for supercapacitor applications, showing significant improvements in specific capacitance, cyclic stability, and rate capability. With nitrogen doping, the electrochemical active surface area increased by four times, leading to a high specific capacitance of 495 Fg(-1) and excellent cyclic stability and rate capability.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Energy & Fuels
Jiamei Yang, Fuquan Xiong, Hang Wang, Bole Ma, Feng Guo, Yan Qing, Fuxiang Chu, Yiqiang Wu
Summary: In this study, nitrogen-doped lignin-based carbon nanospheres (NCS) were successfully prepared and showed potential applications in supercapacitors. The introduction of nitrogen atoms increased the active site of the materials and improved the capacitance performance.
Article
Electrochemistry
Da-Je Hsu, Yu-Wen Chi, Kun-Ping Huang, Chi-Chang Hu
Summary: In this study, nitrogen-doped graphene nanowalls (N-GNWs) were prepared using CH4, C2H4, and C2H2 as carbon sources mixed with Ar and NH3 via plasma-enhanced chemical vapor deposition. The introduction of NH3 significantly improved the adhesion of N-GNWs on Ti substrates. After electrochemical activation, N-GNW-C2H2 exhibited the highest specific capacitance, making it a suitable material for the negative electrode of a high-voltage, asymmetric supercapacitor in organic electrolytes.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Engineering, Chemical
Kanruethai Charoensook, Cheng-Liang Huang, Hung-Chun Tai, V. Venkata Krishna Lanjapalli, Li-Ming Chiang, Soraya Hosseini, Yao-Tung Lin, Yuan-Yao Li
Summary: Biomass-derived porous activated carbon with high surface area and nitrogen functional groups were prepared for supercapacitor application using rice straw as the precursor. The nitrogen-doped AC exhibited excellent capacitance performance and cycling stability under evaluation. Ionic liquid electrolyte enabled higher energy density to be achieved.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2021)
Article
Materials Science, Multidisciplinary
Dinesh J. Ahirrao, Ajay Kumar Pal, Vikalp Singh, Neetu Jha
Summary: Nanostructured porous polyaniline has been successfully synthesized and coated on a flexible and conductive carbon cloth substrate, forming flexible electrodes for supercapacitor devices. The composite exhibited higher specific capacitance and outstanding cyclic stability compared to pure polyaniline, attributed to the synergistic effect between polyaniline and carbon cloth.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Physical
Zongge Li, Danni Wang, Huifang Li, Mang Ma, Ying Zhang, Zifeng Yan, Stefano Agnoli, Guoxin Zhang, Xiaoming Sun
Summary: This study demonstrates the potential of N-doped porous CMs with redox-able Zn atoms to achieve high Zn/N loading, pseudocapacitive behavior, and cycling stability, laying the foundation for a new type of high Zn/N-loading carbon materials.
Article
Energy & Fuels
Jintao Lu, Qian Zhang, Qing An, Tong Bu, Liu Hong, Yuheng Feng, Dezhen Chen
Summary: By using a novel activation method, hierarchical porous carbon can be produced from high-ash sewage sludge char, which demonstrates excellent electrochemical performance. HF washing for ash removal and KHCO3 for mesopores extension are crucial steps.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Energy & Fuels
Ruijie Li, Zhipeng Shen, Haoyu Zheng, Lu Jin, Yonggang Zhang, Weiyong Yuan, Xuefei Wang
Summary: The translation describes the preparation and properties of nitrogen and oxygen co-doped porous carbon materials, which exhibit high mass-specific capacitance, excellent rate capability, cyclic stability, and high energy density. These porous carbon materials are crucial for energy storage and have potential applications in various fields.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Multidisciplinary
Lei Wang, Guilan Fan, Jiuding Liu, Le Zhang, Meng Yu, Zhenhua Yan, Fangyi Cheng
Summary: This study achieved uniform zinc electrodeposition on carbon substrates through nitrogen doping and found that nitrogen doping plays a beneficial role in the nucleation and growth of metallic zinc. Adjusting the nitrogen doping level in carbon cloth significantly improves the stability and deliverable capacity of zinc batteries.
CHINESE CHEMICAL LETTERS
(2021)