Journal ArticleDOI
Single step synthesis of activated bio-carbons with a high surface area and their excellent CO2 adsorption capacity
Gurwinder Singh,In Young Kim,Kripal S. Lakhi,Prashant Srivastava,Ravi Naidu,Ravi Naidu,Ajayan Vinu +6 more
TLDR
In this paper, a single step reaction between Arundo donax and solid KOH at 600°C for 2h was developed to synthesize activated microporous carbons with a high specific surface area.About:
This article is published in Carbon.The article was published on 2017-05-01. It has received 234 citations till now. The article focuses on the topics: Microporous material & Adsorption.read more
Citations
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Journal ArticleDOI
Recent advances in functionalized micro and mesoporous carbon materials: synthesis and applications
Mercy R. Benzigar,Siddulu Naidu Talapaneni,Siddulu Naidu Talapaneni,Stalin Joseph,Stalin Joseph,Kavitha Ramadass,Kavitha Ramadass,Gurwinder Singh,Jessica Scaranto,Ugo Ravon,Khalid Al-Bahily,Ajayan Vinu,Ajayan Vinu +12 more
TL;DR: This review encompasses the approaches and the wide range of methodologies that have been employed over the last five years in the preparation and functionalisation of nanoporous carbon materials via incorporation of metals, non-metal heteroatoms, multiple heteroatOMs, and various surface functional groups that mostly dictate their place in a widerange of practical applications.
Journal ArticleDOI
Valorization of biomass waste to engineered activated biochar by microwave pyrolysis: Progress, challenges, and future directions
Shin Ying Foong,Shin Ying Foong,Rock Keey Liew,Yafeng Yang,Yoke Wang Cheng,Peter Nai Yuh Yek,Wan Adibah Wan Mahari,Xie Yi Lee,Chai Sean Han,Dai-Viet N. Vo,Quyet Van Le,Mortaza Aghbashlo,Meisam Tabatabaei,Christian Sonne,Wanxi Peng,Su Shiung Lam,Su Shiung Lam +16 more
TL;DR: In this paper, a microwave pyrolysis of biomass is proposed to produce activated biochar with desirable properties for wide application in pollution control, catalysis and energy storage, and the key implications for future development are highlighted.
Journal ArticleDOI
Emerging trends in porous materials for CO2 capture and conversion
Gurwinder Singh,Jang Mee Lee,Ajay S. Karakoti,Rohan Bahadur,Jiabao Yi,Dongyuan Zhao,Khalid Al-Bahily,Ajayan Vinu +7 more
TL;DR: The emerging trends in major porous adsorbents such as MOFs, zeolites, POPs, porous carbons, and mesoporous materials for CO2 capture and conversion are discussed and their surface texture and chemistry and the influence of various other features on their efficiency, selectivity, and recyclability are explained and compared thoroughly.
Journal ArticleDOI
Biomass derived porous carbon for CO2 capture
Gurwinder Singh,Gurwinder Singh,Kripal S. Lakhi,Sanchita Sil,Sheshanath V. Bhosale,In Young Kim,Khalid Al-Bahily,Ajayan Vinu +7 more
TL;DR: In this paper, the key results from published literature have been consolidated and critical commentary has been provided to give a broad insight into the production of biochar and activated porous carbons and their application in CO2 capture.
Journal ArticleDOI
Activated bio-chars derived from rice husk via one- and two-step KOH-catalyzed pyrolysis for phenol adsorption.
TL;DR: The activated bio-chars (AB) were successfully synthesized from rice husk by one- and two-step KOH-catalyzed pyrolysis, and the adsorption process defined well with the pseudo-second-order model.
References
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Journal ArticleDOI
Activated biochar derived from cactus fibres – Preparation, characterization and application on Cu(II) removal from aqueous solutions
TL;DR: The effect of ionic strength and temperature on the adsorption efficiency indicates that at low pH outer-sphere and at near neutral pH inner-spheres complexes are the predominant surface species and the kinetic data obtained were fitted very well by the Lagergren rate expression.
Journal ArticleDOI
Enhancement of CO2 Capture on Biomass-Based Carbon from Black Locust by KOH Activation and Ammonia Modification
TL;DR: In this article, a novel biomass-based carbon material was successfully prepared from black locust by KOH chemical activation in combination with surface modification by heat treatment with ammonia solution for enhancing CO2 adsorption.
Journal ArticleDOI
Nitrogen-doped porous carbon nanofiber webs for efficient CO2 capture and conversion
TL;DR: In this paper, the effect of different activation conditions on the textural characteristic of final products was investigated, and results indicated that their textural and chemical properties can be tuned by changing the weight ratio of KOH/PPy and activation temperature.
Journal ArticleDOI
Hierarchical mesoporous yolk–shell structured carbonaceous nanospheres for high performance electrochemical capacitive energy storage
Tianyu Yang,Ruifeng Zhou,Ruifeng Zhou,Dawei Wang,San Ping Jiang,Yusuke Yamauchi,Shi-Zhang Qiao,Michael J. Monteiro,Jian Liu,Jian Liu +9 more
TL;DR: Hierarchical mesoporous yolk-shell structured carbon nanospheres (YSCNs) with an ordered mesoporus carbon core and a microporous carbon shell show excellent electrochemical performance with a maximal specific capacitance of 159 F g(-1).
Journal ArticleDOI
Preparation of porous carbons with high low-pressure CO2 uptake by KOH activation of rice husk char
TL;DR: In this article, porous carbons for CO2 capture at low pressures were prepared by KOH activation of rice husk char, and the CO2 uptakes at 0.1 bar (0.°C) reached 2.11mmol/g.
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