A selective etching approach to pore structure control of polymeric precursors: creating hierarchical porous N, P co-doped carbon nanospheres for semi-solid-state supercapacitors

2020 ◽  
Vol 8 (28) ◽  
pp. 14254-14264
Author(s):  
Qipeng Cai ◽  
Jie Mao ◽  
Yuntong Li ◽  
Jun Liu ◽  
Hong Zhang ◽  
...  
Keyword(s):  
Solid State ◽  
Porous Carbon ◽  
Selective Etching ◽  
Carbon Nanospheres ◽  
Structure Control ◽  
Hierarchical Porous ◽  
Semi Solid ◽  
Porous Carbon Nanospheres ◽  
Pore Structure Control ◽  
Co Doped

A selective etching strategy based on a dynamic imine–amine exchange was developed to construct porous carbon nanospheres for supercapacitors.

scholarly journals Hazardous Petroleum Sludge-Derived Nitrogen and Oxygen Co-Doped Carbon Material with Hierarchical Porous Structure for High-Performance All-Solid-State Supercapacitors

Materials ◽  
2021 ◽  
Vol 14 (10) ◽  
pp. 2477
Author(s):  
Xiaoyu Li ◽  
Mingyang Zhang ◽  
Zhuowei Tan ◽  
Zhiqiang Gong ◽  
Peikun Liu ◽  
...  
Keyword(s):  
Solid State ◽  
Porous Structure ◽  
Porous Carbon ◽  
High Performance ◽  
Electrode Materials ◽  
Hierarchical Porous Structure ◽  
Petroleum Sludge ◽  
Synthesis Strategy ◽  
Hierarchical Porous ◽  
Co Doped

Rational design and sustainable preparation of high-performance carbonaceous electrode materials are important to the practical application of supercapacitors. In this work, a cost-effective synthesis strategy for nitrogen and oxygen co-doped porous carbon (NOC) from petroleum sludge waste was developed. The hierarchical porous structure and ultra-high surface area (2514.7 m2 g−1) of NOC electrode materials could provide an efficient transport path and capacitance active site for electrolyte ions. The uniform co-doping of N and O heteroatoms brought enhanced wettability, electrical conductivity and probably additional pseudo-capacitance. The as-obtained NOC electrodes exhibited a high specific capacitance (441.2 F g−1 at 0.5 A g−1), outstanding rate capability, and cycling performance with inconspicuous capacitance loss after 10,000 cycles. Further, the assembled all-solid-state MnO2/NOC asymmetrical supercapacitor device (ASC) could deliver an excellent capacitance of 119.3 F g−1 at 0.2 A g−1 under a wide potential operation window of 0–1.8 V with flexible mechanical stability. This ASC device yielded a superior energy density of 53.7 W h kg−1 at a power density of 180 W kg−1 and a reasonable cycling life. Overall, this sustainable, low-cost and waste-derived porous carbon electrode material might be widely used in the field of energy storage, now and into the foreseeable future.

Nitrogen-Enriched Hollow Porous Carbon Nanospheres with Tailored Morphology and Microstructure for All-Solid-State Symmetric Supercapacitors

2018 ◽  
Vol 1 (8) ◽  
pp. 4293-4303 ◽  
Author(s):  
Ziyang Song ◽  
Dazhang Zhu ◽  
Danfeng Xue ◽  
Jingjing Yan ◽  
Xiaolan Chai ◽  
...  
Keyword(s):  
Solid State ◽  
Porous Carbon ◽  
Carbon Nanospheres ◽  
Porous Carbon Nanospheres

N, S co-doped porous carbon nanospheres with a high cycling stability for sodium ion batteries

Carbon ◽  
2018 ◽  
Vol 130 ◽  
pp. 846
Author(s):  
Hong-wei Zhang ◽  
Jia-min Lu ◽  
Le Yang ◽  
Ming-xiang Hu ◽  
Zheng-hong Huang ◽  
...  
Keyword(s):  
Porous Carbon ◽  
Cycling Stability ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Carbon Nanospheres ◽  
Porous Carbon Nanospheres ◽  
Co Doped

Facile self-templating preparation of polyacrylonitrile-derived hierarchical porous carbon nanospheres for high-performance supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (49) ◽  
pp. 43748-43754 ◽  
Author(s):  
Long Yao ◽  
Guangzhi Yang ◽  
Pan Han
Keyword(s):  
Porous Carbon ◽  
High Performance ◽  
Hierarchical Porous Carbon ◽  
Carbon Nanospheres ◽  
Efficient Strategy ◽  
Hierarchical Porous ◽  
Porous Carbon Nanospheres

The article reports a polyacrylonitrile-derived hierarchical porous carbon nanospheres as high-performance supercapacitors via a green, facile and efficient strategy.

A facile template approach to nitrogen-doped hierarchical porous carbon nanospheres from polydopamine for high-performance supercapacitors

2017 ◽  
Vol 5 (34) ◽  
pp. 18242-18252 ◽  
Author(s):  
Shuqiang Xiong ◽  
Jinchen Fan ◽  
Yan Wang ◽  
Jing Zhu ◽  
Junrong Yu ◽  
...  
Keyword(s):  
Porous Carbon ◽  
High Performance ◽  
Hierarchical Porous Carbon ◽  
Carbon Nanospheres ◽  
Nitrogen Doped ◽  
Hierarchical Porous ◽  
Porous Carbon Nanospheres

A facile polydopamine-templated approach to nitrogen-doped hierarchical porous carbon nanospheres for high-performance supercapacitors.

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