Article
Energy & Fuels
Sivagaami Sundari Gunasekaran, Arthi Gopalakrishnan, Raghu Subashchandrabose, Sushmee Badhulika
Summary: In this study, nitrogen-doped carbon nanosheets were synthesized from bamboo biomass for high performance asymmetric supercapacitor applications. The detailed characterization revealed the importance of heteroatom doping for improving supercapacitor performance. The resulting asymmetric supercapacitor device showed significantly enhanced specific capacitance and retention over charge-discharge cycles, making it a promising low cost and sustainable electrode material for high energy supercapacitor applications.
JOURNAL OF ENERGY STORAGE
(2021)
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
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
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
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
Energy & Fuels
Xuedong Ma, Jie Deng, Ruiying Zhang, Shuang Li, Riguang Zhang
Summary: Hierarchical porous carbon (NPy-HPC) nanoarchitectonics with honeycomb-like and nitrogen-phosphorus co-doping features were prepared using self-doping and external doping. The resulting NP1.0-HPC exhibited appropriate heteroatom content (3.15 at.% for nitrogen and 0.3 at.% for phosphorous), high specific surface area (2141 m2 g-1), and total pore volume (1.04 cm3 g-1), making it a potential material for electrochemical energy storage and dye removal applications. The NP1.0-HPC electrode showed excellent electrochemical performance with a high specific capacitance of 378.8 F g-1 at 1 A g-1 and a good rate capability of 271.6 F g-1 at 20 A g-1. The NP1.0-HPC//NP1.0-HPC symmetrical supercapacitor exhibited a desirable energy density of 17.7 Wh kg-1 at a power density of 440 W kg-1. In addition, NP1.0-HPC showed efficient dye removal capability, particularly for methylene blue (666.9 mg g-1) and methyl orange (360.9 mg g-1). This study proposes a facile and cost-effective strategy for the development of high-performance three-dimensional (3D) porous carbon nanoarchitectonics.
JOURNAL OF ENERGY STORAGE
(2023)
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
Chemistry, Physical
Huiling Li, Lihua Cao, Huijun Zhang, Zhiwei Tian, Qian Zhang, Feng Yang, Haoqi Yang, Shuijian He, Shaohua Jiang
Summary: This study fabricated a three-dimensional carbonized polyimide/cellulose composite with high specific surface area and uniformly distributed pores, achieving excellent performance in supercapacitors.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Agricultural Engineering
Dan Xu, Mingpan Wan, Yumei Yang, Bixiang Pan, Qianlin Chen
Summary: A mesopore-dominated hierarchical porous carbon material was prepared using a unique mixture and pyrolysis method, showing high performance in supercapacitors with excellent capacitance retention and energy density.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Green & Sustainable Science & Technology
Jianhua Yu, Xu Li, Zhenxing Cui, Di Chen, Xiancai Pang, Qian Zhang, Feifei Shao, Hongzhou Dong, Liyan Yu, Lifeng Dong
Summary: The hydrothermal process effectively stabilizes heteroatoms (N and P), improves graphitization, and enhances the capacitive properties of biomass-derived carbon materials.
Article
Agricultural Engineering
Rongrong Si, Honggang Luo, Junwen Pu
Summary: A time-saving and facile method was adopted to fabricate hierarchical carbonized wood electrodes with co-doping of nitrogen/sulfur heteroatoms. The electrode exhibited excellent areal capacitance and durability. The symmetrical supercapacitor assembled from carbonized regenerated wood showed a high energy density.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Engineering, Environmental
Ahmad Amiri, Kian Bashandeh, M. Naraghi, Andreas A. Polycarpou
Summary: The study developed an efficient all-solid-state structural supercapacitor with high energy storage and load-bearing capabilities, showing remarkable electrochemical and mechanical properties. By combining pseudocapacitance and double layer mechanisms, the device is able to store energy and bear load effectively, outperforming other structural electrode materials.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Energy & Fuels
Hui Wang, Yiwei Liu, Lirong Kong, Zhongyun Xu, Xiaoping Shen, Subramanian Premlatha
Summary: Porous graphitic carbon nitride layers (UMCN-A1.25) with a typical three-dimensional network structure were prepared by a simple calcination process. NH4HCO3 was used as a pore generator and glucose was used as the carbon precursor, while urea and melamine functioned as binary precursors for the sacrificial template. The hierarchical pore structure and high nitrogen-doping level contribute to the high specific capacitances and stable charge-discharge behavior of UMCN-A1.25.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Kaiying Wei, Feng Zhang, Ying Yang, Bin Zhai, Xiuying Wang, Yu Song
Summary: This study successfully prepared oxygenated N-doped porous carbon with high surface area, demonstrating excellent electrochemical performance. By carbonizing ammonium alginate aerogel and conducting air activation treatment, the porous carbon exhibited high specific capacitance, good rate capability, and ultralong cycle life when used as electrode materials for supercapacitors.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Engineering, Environmental
Syed Comail Abbas, Changmei Lin, Zifeng Hua, Qidu Deng, Hai Huang, Yonghao Ni, Shilin Cao, Xiaojuan Ma
Summary: In this study, a facile method was used to prepare SiC/N dual-doped carbon materials with a porous structure using bamboo as a raw material. The resulting materials showed excellent electrochemical performance in supercapacitors, with high energy density and excellent cyclic stability.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Wei Xiao, Wenjie Zhou, Tong Feng, Yanhua Zhang, Hongdong Liu, Liangliang Tian
Article
Chemistry, Multidisciplinary
Hengshuo Zhang, Wei Xiao, Wenjie Zhou, Shanyong Chen, Yanhua Zhang
Article
Materials Science, Multidisciplinary
Wei Xiao, Jing Huang, Wenjie Zhou, Qinglin Jiang, Ying Deng, Yanhua Zhang, Liangliang Tian
Summary: This study presents a cotton-RGO-AgNP hybrid fiber electrode for flexible fiber-shaped supercapacitors (FSSCs) with well-defined core-shell structure and excellent supercapacitive properties. The electrode exhibited high specific capacitance, rate capability, cycling stability, and energy density, outperforming many other graphene- and textile yarn-based FSSCs. It also showed remarkable electrochemical behavior under bending deformation and long-term cycling tests, indicating its significant potential for flexible and wearable electronics applications.