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Encapsulation of multiple enzymes in a metal-organic framework with enhanced electro-enzymatic reduction of CO2 to methanol
Zhang, Zhibo1; Li, Jiajia1; Ji, Mingbo2; Liu, Yanrong1; Wang, Nan1; Zhang, Xiangping3; Zhang, Suojiang3; Ji, Xiaoyan1
2021-03-21
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume23Issue:6Pages:2362-2371
AbstractEfficient enzymatic conversion of CO2 to methanol is limited by low CO2 solubility in water (33 mM), and the high-cost of the cofactor (NADH) hinders the potential large-scale application of CO2 enzymatic conversion. In this study, a bioelectrocatalytic system was established for tackling both these issues, and in this system enzymes were embedded in the metal-organic framework ZIF-8 via in situ encapsulation to increase the substrate (CO2) concentration and pre-concentrate NADH, and a Rh complex-grafted electrode was developed for regenerating NADH in a sustainable manner. The results showed that after encapsulation of enzymes in ZIF-8, the methanol concentration increased from 0.061 to 0.320 mM (5 fold) in three hours. Furthermore, after coupling with electrocatalytic NADH regeneration, the methanol concentration further increased to 0.742 mM (12 fold) compared to a free enzyme system. Overall, methanol was produced at a rate of 822 mu mol g(-1) h(-1).
DOI10.1039/d1gc00241d
Language英语
Funding ProjectKempe foundation in Sweden ; Carl Tryggers Stifelse[18:175] ; National Natural Science Foundation of China[21838010]
WOS Research AreaChemistry ; Science & Technology - Other Topics
WOS SubjectChemistry, Multidisciplinary ; Green & Sustainable Science & Technology
Funding OrganizationKempe foundation in Sweden ; Carl Tryggers Stifelse ; National Natural Science Foundation of China
WOS IDWOS:000634559500007
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48334
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Suojiang; Ji, Xiaoyan
Affiliation1.Lulea Univ Technol, Energy Engn, Div Energy Sci, S-97187 Lulea, Sweden
2.Tech Univ Denmark, Proc & Syst Engn Ctr PROSYS, Dept Chem & Biochem Engn, Bldg 229, DK-2800 Lyngby, Denmark
3.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Key, Inst Proc Engn,CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhibo,Li, Jiajia,Ji, Mingbo,et al. Encapsulation of multiple enzymes in a metal-organic framework with enhanced electro-enzymatic reduction of CO2 to methanol[J]. GREEN CHEMISTRY,2021,23(6):2362-2371.
APA Zhang, Zhibo.,Li, Jiajia.,Ji, Mingbo.,Liu, Yanrong.,Wang, Nan.,...&Ji, Xiaoyan.(2021).Encapsulation of multiple enzymes in a metal-organic framework with enhanced electro-enzymatic reduction of CO2 to methanol.GREEN CHEMISTRY,23(6),2362-2371.
MLA Zhang, Zhibo,et al."Encapsulation of multiple enzymes in a metal-organic framework with enhanced electro-enzymatic reduction of CO2 to methanol".GREEN CHEMISTRY 23.6(2021):2362-2371.
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