Carbon capture with polyethylenimine hydrogel beads (PEI HBs)

Literature Information

Publication Date 2018-10-24
DOI 10.1039/C8TA07760F
Impact Factor 12.732
Authors

Xingguang Xu, Bobby Pejcic, Charles Heath, Colin D. Wood


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Abstract

A new class of CO2 sorbents, namely polyethylenimine hydrogel beads (PEI HBs), has been developed via a simple one-step crosslinking reaction of PEI using epichlorohydrin (EPC). The beads have an increased surface area which increases the CO2 uptake compared to the liquid PEI. Moreover, they possess exceptional thermal stability so the issues with solvent loss encountered with conventional amines are avoided. In contrast to the majority of other reported PEI-functionalized CO2 sorbents, PEI HBs perform well under humid conditions. More importantly, PEI HBs can be quickly and easily regenerated via microwave heating. This new material extends the application of hydrogels and may shed light on the development of other functional materials apart from CO2 sorbents.

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Contents list

2022-08-31 Front/Back Matter

DOI: 10.1039/D2CP90161G

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DOI: 10.1039/D2CP90143A

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Source Journal

Journal of Materials Chemistry A

Journal of Materials Chemistry A
CiteScore: 19.5
Self-citation Rate: 4.7%
Articles per Year: 2211

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment

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