Christina Dahlström

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Background

Ph.D. in Chemical Engineering, Mid Sweden University, Sundsvall
M.Sc. in Chemical Engineering, Royal Institute of Technology (KTH), Stockholm

Area of interest

Material science, surface chemistry, coating, electron microscopy and image analysis.

Current research

I am currently working in the project “Morphology studies on future biocomposite” where a fundamental study is ongoing to understand how cellulose nanofibrils (CNF) and graphene or nanographite build up the structure of this strong and functional biocomposite.
In supercapacitors, the electrodes can be made of graphene/nanographite and a binder. CNF has shown promising results as a binder since both the wet and dry strength was improved while the electronic properties was maintained or even improved. Therefore it is of interest to investigate how the ion mobility is related to the amount of CNF in the electrode. Another part of my research is to study how the CNF is stabilizing the graphite dispersion.

Other information

Examples from my research area. SEM-image of the electrode surface. The white bar is 2 micrometer. Find out more: Morphology studies on future biocomposite, The KEPS Project, The research area of Complex Materials.

Publications

Articles in journals

Andres, B. , Dahlström, C. , Blomquist, N. , Norgren, M. & Olin, H. (2018). Cellulose binders for electric double-layer capacitor electrodes : The influence of cellulose quality on electrical properties. Materials & design, vol. 141, pp. 342-349.  

Kumar, V. , Forsberg, S. , Engström, A. , Nurmi, M. , Dahlström, C. & Toivakka, M. (2017). Conductive carbon-nanocellulose coatings on paper. TAPPI Journal, vol. 16: 6, pp. 310-311.

Kumar, V. , Forsberg, S. , Engström, A. , Nurmi, M. , Andres, B. , Dahlström, C. & Toivakka, M. (2017). Conductive nanographite-nanocellulose coatings on paper. Flexible And Printed Electronics, vol. 2: 3  

Eivazihollagh, A. , Bäckström, J. , Dahlström, C. , Carlsson, F. , Ibrahem, I. , Lindman, B. , Edlund, H. & Norgren, M. (2017). One-pot synthesis of cellulose-templated copper nanoparticles with antibacterial properties. Materials letters (General ed.), vol. 187, pp. 170-172.    

Andres, B. , Engström, A. , Blomquist, N. , Forsberg, S. , Dahlström, C. & Olin, H. (2016). Electrode Mass Balancing as an Inexpensive and Simple Method to Increase the Capacitance of Electric Double-Layer Capacitors. PLoS ONE, vol. 11: 9, pp. 1-12.    

Forsberg, V. , Zhang, R. , Joakim, B. , Dahlström, C. , Andres, B. , Norgren, M. , Andersson, M. , Hummelgård, M. & et al. (2016). Exfoliated MoS2 in Water without Additives. PLoS ONE, vol. 11: 4    

Forsberg, V. , Zhang, R. , Andersson, H. , Bäckström, J. , Dahlström, C. , Norgren, M. , Andres, B. & Olin, H. (2016). Liquid Exfoliation of Layered Materials in Water for Inkjet Printing. Journal of Imaging Science and Technology, vol. 60: 4, pp. 1-7.  

Osong, S. H. , Dahlström, C. , Forsberg, S. , Andres, B. , Engstrand, P. , Norgren, S. & Engström, A. (2016). Nanofibrillated cellulose/nanographite composite films. Cellulose (London), vol. 23: 4, pp. 2487-2500.  

Andres, B. , Forsberg, S. , Dahlström, C. , Blomquist, N. & Olin, H. (2014). Enhanced electrical and mechanical properties of nanographite electrodes for supercapacitors by addition of nanofibrillated cellulose. Physica status solidi. B, Basic research, vol. 251: 12, pp. 2581-2586.  

Dahlström, C. & Uesaka, T. (2012). Microstructure Variations in Paper Coating : Direct Observations. Industrial & Engineering Chemistry Research, vol. 51: 24, pp. 8246-8252.  

Dahlström, C. , Allem, R. & Uesaka, T. (2011). New Method for Characterizing Paper Coating Structures Using Argon Ion Beam Milling and Field Emission Scanning Electron Microscopy. Journal of Microscopy, vol. 241: 2, pp. 179-187.  

Dahlström, C. & Uesaka, T. (2009). New Insights into Coating Uniformity and Base Sheet Structures. Industrial & Engineering Chemistry Research, vol. 48: 23, pp. 10472-10478.  

Chapters in books

Dahlström, C. (2013). Sample Preparation Using Argon Ion Beam Milling. In Argon: Production, Characteristics and Applications. Hauppauge, NY : Nova Science Publishers, Inc.. pp. 223-240.

Conference papers

Kumar, V. , Forsberg, S. , Engström, A. , Nurmi, M. , Dahlström, C. & Toivakka, M. (2017). Conductive carbon-nanocellulose coatings on paper. In Paper Conference and Trade Show, PaperCon 2017 : Renew, Rethink, Redefine the Future.. pp. 26--35.

Forsberg, S. , Kumar, V. , Engström, A. , Maristiina, N. , Dahlström, C. & Martti, T. (2016). Effect of calendering and coating formulations on conductivity in paper-based electrodes. Paper presented at the TAPPI Advanced Coating Symposium 2016, October 4-6, 2016, Stockholm

Forsberg, V. , Zhang, R. , Andersson, H. , Bäckström, J. , Dahlström, C. , Norgren, M. , Andres, B. & Olin, H. (2016). Liquid Exfoliation of Layered Materials in Water for Inkjet Printing. In Printing for Fabrication 2016 : Materials, Applications, and Processes. USA :

Andres, B. , Dahlström, C. , Engström, A. , Forsberg, S. , Blomquist, N. & Olin, H. (2015). Cellulose-based binder systems for electrochemical electrodes. Paper presented at the 2015 E-MRS Spring Meeting

Henshaw Osong, S. , Dahlström, C. , Forsberg, S. , Andres, B. , Engstrand, P. , Norgren, S. , Olin, H. & Engström, A. (2015). Development of CTMP-based nanofibrillated Cellulose /nanographite composites for paper applications. Paper presented at the 9th International Fundamental Mechanical Pulp Research Seminar, 19-20May, Trondheim, Norway

Alecrim, V. , Zhang, R. , Hummelgård, M. , Andres, B. , Dahlström, C. , Norgren, M. , Andersson, M. & Olin, H. (2015). Exfoliated Layered Materials for Digital Fabrication. In NIP & Digital Fabrication Conference. (NIP & Digital Fabrication Conference). pp. 192--194.

Faria, G. C. , Duong, D. T. , Dahlström, C. , Rivnay, J. , Malliaras, G. , Owens, R. & Salleo, A. (2015). Modeling Transient Drain Current Response in Biofunctionalized Organic Electrochemical Transistors. Paper presented at the XIV Brazil MRS meeting

Forsberg, S. , Andres, B. , Blomquist, N. , Dahlström, C. , Engström, A. & Olin, H. (2015). Paper-based supercapacitors. Paper presented at the 2015 E-MRS Spring Meeting, May 11-15, 2015, Lille, France

Dahlström, C. , Andres, B. , Faria, G. C. , Engström, A. , Duong, D. T. & Salleo, A. (2015). Structural Change of Cellulose Nanofibers in Supercapacitor Electrodes during Galvanostatic Cycling. Paper presented at the 2015 MRS Fall Meeting & Exhibit

Dahlström, C. , Andres, B. & Forsberg, S. (2014). Coating Uniformity and its Effect on Supercapacitor Capacitance. Paper presented at the 2014 TAPPI Advanced Coating Fundamentals Symposium

Dahlström, C. & Uesaka, T. (2012). Coating Microstructures : Binder Distributions. In 12th TAPPI Advanced Coating Fundamentals Symposium Proceedings, Co-located with the 16th International Coating Science and Technology Symposium, ISCST 2012.. pp. 250--257.

Dahlström, C. , Uesaka, T. & Norgren, M. (2008). Base Sheet Structures that Control Coating Uniformity: Effects of Length Scale. In TAPPI Advanced Coating Fundamentals Symposium Proceedings.. pp. 124--133.

Doctoral theses, comprehensive summaries

Dahlström, C. (2012). Quantitative microscopy of coating uniformity. Dis. (Comprehensive summary) Sundsvall : Mid Sweden University, 2012 (Mid Sweden University doctoral thesis : 129)  

Examples from my research area
Scanning electron microscopy image of the electrode surface. The cellulose nanofibrils are creating a spider-web formation between the graphite particles. The white bar is 2 micrometer. 

 

Find out more

Morphology studies on future biocomposite

The KEPS project

The research area of Complex Materials