Buckled Amorphous Hollow Carbon Spheres: Facile Fabrication, Buckling Process, and Applications as Electrode Materials for Supercapacitors

2019 ◽  
Vol 11 (33) ◽  
pp. 30116-30124
Author(s):  
Zhifeng Zhu ◽  
Ze Chen ◽  
Gaojian Lin ◽  
Yuanhang Ge ◽  
Yingfeng Tu ◽  
...  
Keyword(s):  
Electrode Materials ◽  
Carbon Spheres ◽  
Facile Fabrication ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

Porous nitrogen-doped hollow carbon spheres derived from polyaniline for high performance supercapacitors

2014 ◽  
Vol 2 (15) ◽  
pp. 5352-5357 ◽  
Author(s):  
Jinpeng Han ◽  
Guiyin Xu ◽  
Bing Ding ◽  
Jin Pan ◽  
Hui Dou ◽  
...  
Keyword(s):  
Porous Structure ◽  
High Performance ◽  
Nitrogen Doping ◽  
Electrode Materials ◽  
Carbon Spheres ◽  
Hierarchical Porous Structure ◽  
Nitrogen Doped ◽  
Hierarchical Porous ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

The porous nitrogen-doped hollow carbon spheres derived from polyaniline are promising electrode materials for high performance supercapacitors due to their hierarchical porous structure and nitrogen-doping.

Hollow carbon spheres/hollow carbon nanorods composites as electrode materials for supercapacitor

2019 ◽  
Vol 101 ◽  
pp. 244-250 ◽  
Author(s):  
Xinyu Fu ◽  
Lei Liu ◽  
Yifeng Yu ◽  
Haijun Lv ◽  
Yue Zhang ◽  
...  
Keyword(s):  
Electrode Materials ◽  
Carbon Spheres ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

scholarly journals Hierarchical NiS/N-doped carbon composite hollow spheres with excellent supercapacitor performance

2017 ◽  
Vol 5 (40) ◽  
pp. 21257-21265 ◽  
Author(s):  
Tao Liu ◽  
Chuanjia Jiang ◽  
Bei Cheng ◽  
Wei You ◽  
Jiaguo Yu
Keyword(s):  
Electrochemical Performance ◽  
Electrode Materials ◽  
Hollow Spheres ◽  
Carbon Composite ◽  
Carbon Spheres ◽  
Excellent Electrochemical Performance ◽  
Supercapacitor Performance ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

The synthesized NiS nanosheets anchored on N-doped hollow carbon spheres (NHCSs) exhibit excellent electrochemical performance as electrode materials for supercapacitors.

Porous hollow carbon spheres: facile fabrication and excellent supercapacitive properties

2015 ◽  
Vol 184 ◽  
pp. 32-39 ◽  
Author(s):  
Yanqin Zhang ◽  
Miaomiao Jia ◽  
Haiyan Gao ◽  
Jianguo Yu ◽  
Lili Wang ◽  
...  
Keyword(s):  
Carbon Spheres ◽  
Facile Fabrication ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

Template-free fabrication of nitrogen-doped hollow carbon spheres for high-performance supercapacitors based on a scalable homopolymer vesicle

2016 ◽  
Vol 4 (31) ◽  
pp. 12088-12097 ◽  
Author(s):  
Hui Sun ◽  
Yunqing Zhu ◽  
Bo Yang ◽  
Yanfang Wang ◽  
Yuping Wu ◽  
...  
Keyword(s):  
High Performance ◽  
Electrode Materials ◽  
Carbon Spheres ◽  
Nitrogen Doped ◽  
Template Free ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

Nitrogen-doped hollow carbon spheres were prepared from scalable homopolymer vesicles and used as the electrode materials of high-performance supercapacitors.

In situ construction of hollow carbon spheres with N, Co, and Fe co-doping as electrochemical sensors for simultaneous determination of dihydroxybenzene isomers

Nanoscale ◽  
2019 ◽  
Vol 11 (18) ◽  
pp. 8950-8958 ◽  
Author(s):  
Hui Yang ◽  
Shunxing Li ◽  
Huiwu Yu ◽  
Fengying Zheng ◽  
Luxiu Lin ◽  
...  
Keyword(s):  
Active Sites ◽  
High Performance ◽  
Electrode Materials ◽  
Electrochemical Sensors ◽  
Carbon Spheres ◽  
Co Doping ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

Control of the active sites/centers plays an important role in the design of novel electrode materials with unusual properties and achievement of sensors with high performance.

MOFs-derived Co9S8-embedded graphene/hollow carbon spheres film with macroporous frameworks for hybrid supercapacitors with superior volumetric energy density

2019 ◽  
Vol 7 (14) ◽  
pp. 8503-8509 ◽  
Author(s):  
Haoting Niu ◽  
Yong Zhang ◽  
Yu Liu ◽  
Bifu Luo ◽  
Na Xin ◽  
...  
Keyword(s):  
Energy Density ◽  
Electrode Materials ◽  
Carbon Spheres ◽  
Hybrid Supercapacitors ◽  
Electrons And Ions ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

Electrode materials with macroporous structures have desirable structural advantages, which can provide excellent reaction sites for electrons and ions.

Enhanced catalytic activity of low-Pt content nanocatalysts supported on hollow carbon spheres for the ORR in alkaline media

MRS Advances ◽  
2020 ◽  
Vol 5 (57-58) ◽  
pp. 2961-2972
Author(s):  
P.C. Meléndez-González ◽  
E. Garza-Duran ◽  
J.C. Martínez-Loyola ◽  
P. Quintana-Owen ◽  
I.L. Alonso-Lemus ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Anion Exchange ◽  
Average Particle Size ◽  
Synthesis Method ◽  
Alkaline Media ◽  
High Catalytic Activity ◽  
Average Particle ◽  
Carbon Spheres ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

In this work, low-Pt content nanocatalysts (≈ 5 wt. %) supported on Hollow Carbon Spheres (HCS) were synthesized by two routes: i) colloidal conventional polyol, and ii) surfactant-free Bromide Anion Exchange (BAE). The nanocatalysts were labelled as Pt/HCS-P and Pt/HCS-B for polyol and BAE, respectively. The physicochemical characterization of the nanocatalysts showed that by following both methods, a good control of chemical composition was achieved, obtaining in addition well dispersed nanoparticles of less than 3 nm TEM average particle size (d) on the HCS. Pt/HCS-B contained more Pt0 species than Pt/HCS-P, an effect of the synthesis method. In addition, the structure of the HCS remains more ordered after BAE synthesis, compared to polyol. Regarding the catalytic activity for the Oxygen Reduction Reaction (ORR) in 0.5 M KOH, Pt/HCS-P and Pt/HCS-B showed a similar performance in terms of current density (j) at 0.9 V vs. RHE than the benchmark commercial 20 wt. % Pt/C. However, Pt/HCS-P and Pt/HCS-B demonstrated a 6 and 5-fold increase in mass catalytic activity compared to Pt/C, respectively. A positive effect of the high specific surface area of the HCS and its interactions with metal nanoparticles and electrolyte, which promoted the mass transfer, increased the performance of Pt/HCS-P and Pt/HCS-B. The high catalytic activity showed by Pt/HCS-B and Pt/HCS-P for the ORR, even with a low-Pt content, make them promising cathode nanocatalysts for Anion Exchange Membrane Fuel Cells (AEMFC).

N-doped hierarchical porous hollow carbon spheres with multi-cavities for high performance Na-ion storage

2021 ◽  
Vol 506 ◽  
pp. 230170
Author(s):  
Lantao Liu ◽  
Xiangyu Sun ◽  
Yue Dong ◽  
Dengke Wang ◽  
Zheng Wang ◽  
...  
Keyword(s):  
High Performance ◽  
Carbon Spheres ◽  
Hierarchical Porous ◽  
Ion Storage ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

Recent progress on the design of hollow carbon spheres to host sulfur in room-temperature sodium–sulfur batteries

2020 ◽  
Vol 35 (6) ◽  
pp. 630-645
Author(s):  
Jia-ying Yang ◽  
Hao-jie Han ◽  
Hlib Repich ◽  
Ri-cheng Zhi ◽  
Chang-zhen Qu ◽  
...  
Keyword(s):  
Room Temperature ◽  
Recent Progress ◽  
Carbon Spheres ◽  
Hollow Carbon ◽  
Sodium Sulfur ◽  
Hollow Carbon Spheres
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