Porous carbon derived from sorghum stalk for symmetric supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (105) ◽  
pp. 103508-103516 ◽  
Author(s):  
Guofu Ma ◽  
Fengting Hua ◽  
Kanjun Sun ◽  
Zhiguo Zhang ◽  
Enke Feng ◽  
...  
Keyword(s):  
Porous Carbon ◽  
Carbon Precursor ◽  
Porous Carbons ◽  
Activating Agent

Sorghum stalk based porous carbons (SSCs) have been synthesized through a simple carbonization method at 800 °C used sorghum stalk as carbon precursor and ZnCl2 as activating agent.

A novel activating strategy to achieve highly porous carbon monoliths for CO2 capture

2014 ◽  
Vol 2 (13) ◽  
pp. 4819-4826 ◽  
Author(s):  
Xiaoyu Ma ◽  
Yao Li ◽  
Minhua Cao ◽  
Changwen Hu
Keyword(s):  
Sodium Alginate ◽  
Co2 Capture ◽  
Porous Carbon ◽  
Carbon Precursor ◽  
Activating Agent ◽  
Highly Porous

Highly porous N-doped carbon monoliths were prepared by using H3PO4–HNO3 acid as a co-activating agent and sodium alginate as a carbon precursor.

White clover based nitrogen-doped porous carbon for a high energy density supercapacitor electrode

RSC Advances ◽  
2015 ◽  
Vol 5 (130) ◽  
pp. 107707-107715 ◽  
Author(s):  
Guofu Ma ◽  
Zhiguo Zhang ◽  
Kanjun Sun ◽  
Hui Peng ◽  
Qian Yang ◽  
...  
Keyword(s):  
Energy Density ◽  
White Clover ◽  
Porous Carbon ◽  
High Energy ◽  
High Energy Density ◽  
Carbon Precursor ◽  
Supercapacitor Electrode ◽  
Nitrogen Doped ◽  
Activating Agent

We employed the biomaterial white clover as a carbon precursor and ZnCl2 as an activating agent to prepare white clover carbons (WCCs).

KCl-assisted activation: Moringa oleifera branch-derived porous carbon for high performance supercapacitor

2021 ◽  
Vol 45 (12) ◽  
pp. 5712-5719
Author(s):  
Yongxiang Zhang ◽  
Peifeng Yu ◽  
Mingtao Zheng ◽  
Yong Xiao ◽  
Hang Hu ◽  
...  
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Porous Carbon ◽  
High Performance ◽  
Moringa Oleifera ◽  
High Specific Surface Area ◽  
Porous Carbons

Porous carbons with a high specific surface area (2314–3470 m2 g−1) are prepared via a novel KCl-assisted activation strategy for high-performance supercapacitor.

scholarly journals Evaluation of Porous Carbon Adsorbents Made from Rice Husks for Virus Removal in Water

Water ◽  
2021 ◽  
Vol 13 (9) ◽  
pp. 1280
Author(s):  
Vu Duc Canh ◽  
Seiichiro Tabata ◽  
Shun Yamanoi ◽  
Yoichi Onaka ◽  
Toshiyuki Yokoi ◽  
...  
Keyword(s):  
Porous Carbon ◽  
Activated Carbons ◽  
Carbon Adsorbents ◽  
Rice Husks ◽  
Porous Carbons ◽  
Inorganic Pollutants ◽  
Steam Activation ◽  
Virus Removal ◽  
Silica Removal ◽  
Effective Removal

Porous carbons are well-known efficient adsorbents for a variety of organic and inorganic pollutants; however, they have difficulty in virus removal. In this study, novel porous carbons (NPCs) (NPC-A, NPC-B, and NPC-C) derived from rice husks were compared with commercially available activated carbons (ACs) for their ability to remove MS2 bacteriophages (MS2) in a batch experiment. NPC-A was produced by the silica removal process. NPC-B was prepared with an additional steam activation applied to NPC-A. NPC-C was obtained with an additional acid rinse applied to NPC-B. The NPCs (particularly NPC-C) exhibited effective removal of up to 5.3 log10 of MS2, which was greater than that of less than 2.7 log10 obtained by other ACs under 10 g/L during the same contact time (60 min). The pore size distribution of the porous carbon adsorbents was found to influence their virus removal performance. The adsorbents with a larger proportion of pores ranging from 200–4500 nm in diameter were able to achieve higher virus removal rates. Thus, NPCs (particularly NPC-C), which had a larger volume of pores ranging from 200–4500 nm in size, demonstrated the potential for use as efficient adsorbents for removing viruses during water purification.

Enteromorpha based porous carbons activated by zinc chloride for supercapacitors with high capacity retention

RSC Advances ◽  
2015 ◽  
Vol 5 (21) ◽  
pp. 16575-16581 ◽  
Author(s):  
Mingbo Wu ◽  
Peng Li ◽  
Yang Li ◽  
Jun Liu ◽  
Yang Wang
Keyword(s):  
Specific Surface ◽  
Specific Capacitance ◽  
Surface Area ◽  
Specific Surface Area ◽  
Zinc Chloride ◽  
Porous Carbon ◽  
High Capacity ◽  
Porous Carbons ◽  
Capacity Retention

Porous carbons were prepared from enteromorpha with ZnCl2 as active reagent. The prepared porous carbon with a specific surface area of 1651 m2 g−1 exhibited a specific capacitance of 206 F g−1 and capacity retention of 93% even after 5000 cycles.

scholarly journals Biomass-derived O, N-codoped hierarchically porous carbon prepared by black fungus and Hericium erinaceus for high performance supercapacitor

RSC Advances ◽  
2021 ◽  
Vol 11 (45) ◽  
pp. 27860-27867
Author(s):  
Xinxian Zhong ◽  
Quanyuan Mao ◽  
Zesheng Li ◽  
Zhigao Wu ◽  
Yatao Xie ◽  
...  
Keyword(s):  
Porous Carbon ◽  
High Performance ◽  
Porous Carbons ◽  
Active Materials ◽  
Hierarchically Porous ◽  
Hericium Erinaceus

Biomass-derived heteroatom self-doped porous carbons are expected to become ideal active materials for high performance supercapacitor.

Rich N/O/S co-doped porous carbon with a high surface area from silkworm cocoons for superior supercapacitors

2019 ◽  
Vol 43 (48) ◽  
pp. 19372-19378 ◽  
Author(s):  
Jianyu Huang ◽  
Simin Liu ◽  
Zifang Peng ◽  
Zhuoxian Shao ◽  
Yuanyuan Zhang ◽  
...  
Keyword(s):  
Surface Area ◽  
Porous Carbon ◽  
Electrode Materials ◽  
Synergistic Effects ◽  
High Surface ◽  
High Surface Area ◽  
Porous Carbons ◽  
Co Doped

The synergistic effects of high surface area and abundant heteroatoms make porous carbons superior electrode materials.

Bimetallic MOF-templated synthesis of alloy nanoparticle-embedded porous carbons for oxygen evolution and reduction reactions

2019 ◽  
Vol 48 (37) ◽  
pp. 13953-13959 ◽  
Author(s):  
Zakary Lionet ◽  
Shun Nishijima ◽  
Tae-Ho Kim ◽  
Yu Horiuchi ◽  
Soo Wohn Lee ◽  
...  
Keyword(s):  
Metal Nanoparticles ◽  
Oxygen Evolution ◽  
Porous Carbon ◽  
Metal Organic Frameworks ◽  
Carbon Matrix ◽  
Porous Carbons ◽  
Reduction Reactions ◽  
Templated Synthesis ◽  
Metal Organic

Pyrolysis of metal–organic frameworks (MOFs) to produce metal nanoparticles embedded inside a porous carbon matrix (M@PC) has drawn a lot of attention in recent years.

scholarly journals Nano Porous Carbon Derived from Citrus Pomace for the Separation and Purification of PMFs in Citrus Processing Wastes

Nanomaterials ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 1914
Author(s):  
Zhenqing Li ◽  
Xin Chen ◽  
Lulu Qiu ◽  
Yu Wang ◽  
Zhiqin Zhou
Keyword(s):  
Bioactive Compounds ◽  
Porous Carbon ◽  
Added Value ◽  
Citrus Fruits ◽  
Separation And Purification ◽  
Porous Carbons ◽  
Citrus Juice ◽  
Juice Processing ◽  
Processing Wastes ◽  
Adsorption Desorption

The by-product of citrus juice processing is a huge source of bioactive compounds, especially polymethoxyflavones (PMFs) and fibers. In this study, a method for the separation and purification of PMFs from citrus pomace was established based on citrus nanoporous carbon (CNPC) enrichment. Different biomass porous carbons were synthesized, their adsorption/desorption characteristics were evaluated, and the CNPCs from the peel of Citrus tangerina Tanaka were found to be best for the enrichment of PMFs from the crude extracts of citrus pomace. Using this method, six PMF compounds including low-abundant PMFs in citrus fruits such as 5,6,7,4′-tetramethoxyflavone and 5-hydroxy-6,7,8,3′,4′-pentamethoxyflavone can be simultaneously obtained, and the purities of these compounds were all higher than 95%, with the highest purity of nobiletin reaching 99.96%. Therefore, CNPCs have a great potential for the separation and purification of PMFs in citrus processing wastes, potentially improving the added value of citrus wastes. We also provide a method reference for disposing of citrus pomace in the future.

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