Structural transformations and mechanics of amorphous silicon anodes during initial lithian-delithiation cycle

Poster


Sitinamaluwa, Hansinee, Wang, Mingchao, Will, Geoffrey, Senadeera, Wijitha, Zhang, Shanqing and Yan, Cheng. 2016. "Structural transformations and mechanics of amorphous silicon anodes during initial lithian-delithiation cycle." Energy Future Conference 2016. Sydney, Australia 04 - 06 Jul 2016 Brisbane, Australia.
Paper/Presentation Title

Structural transformations and mechanics of amorphous silicon anodes during initial lithian-delithiation cycle

Presentation TypePoster
AuthorsSitinamaluwa, Hansinee (Author), Wang, Mingchao (Author), Will, Geoffrey (Author), Senadeera, Wijitha (Author), Zhang, Shanqing (Author) and Yan, Cheng (Author)
Year2016
Place of PublicationBrisbane, Australia
Web Address (URL) of Paperhttps://www.engineering.unsw.edu.au/news/energy-future-conference-2016
Conference/EventEnergy Future Conference 2016
Event Details
Energy Future Conference 2016
Event Date
04 to end of 06 Jul 2016
Event Location
Sydney, Australia
Abstract

Silicon (Si) is widely regarded as one of the most promising anode materials for Li ion battery (LIB) due to its highest known theoretical specific capacity (4200mAhg-1). Particularly, amorphous silicon has recently attracted great interest due to its robust lithiation behavior. Silicon electrodes are subjected to charge-discharge via an alloying-dealloying (lithiation-delithiation) mechanism. It enables the host silicon to store up to 4.4 lithium atoms per silicon atom, which gives more than ten times greater capacity compared with conventional graphite based electrodes. However, this enormous capacity comes with the expense of significant structural changes to the host silicon, which results in poor mechanical integrity. To address this issue, it is important to understand the transitional structural and mechanical properties of silicon during charge-discharge process. In this study, molecular dynamic simulation is employed to study the structure and mechanics of an amorphous silicon thin film (2.7nm) during a complete lithiation-delithiation cycle. The microstructure evolution during lithiation process is associated with the break of covalent amorphous structure into small clusters, when Li concentration exceeds ~Li0.25Si. Also, it is evident that Li induced stress is largely dependent on lithium concentration in silicon. Steep stress gradients were observed when the lithium content in the anode is very low (<Li0.25Si). Plastic flow and stress relaxation are dominant in higher Li concentrations. Furthermore, we show that the rate of si-si bond breaking is lithium concentration dependent. Also, the Radial Distribution Function (RDF) analysis revealed a defective amorphous structure in silicon film after a complete lithiation/delithiation cycle, which is attributed to breaking down of covalent silicon network and subsequent plastic flow. These results are useful in understanding lithiation-delithiation mechanisms of silicon and the favourable charge-discharge depths to avoid extreme stresses. Furthermore, these results are believed to be able to help improve the materials selection and design of next generation Li ion batteries.

Keywordssilicon, anode, lithian-delithiation
ANZSRC Field of Research 2020401703. Energy generation, conversion and storage (excl. chemical and electrical)
Public Notes

Poster. c. 2016 QUT.

Byline AffiliationsQueensland University of Technology
Griffith University
Institution of OriginUniversity of Southern Queensland
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Jahirul, M. I., Brown, J. R., Senadeera, W., Aswath, N., Laing, C., Leski-Taylor, J. and Rasul, M. G.. 2013. "Optimisation of bio-oil extraction process from Beauty Leaf (Calophyllum inophyllum) oil seed as a second generation biodiesel source." Procedia Engineering. 56, pp. 619-624. https://doi.org/10.1016/j.proeng.2013.03.168
Influence of drying conditions on the moisture diffusion and fluidization quality during multi-stage fluidized bed drying of bovine intestine for pet food
Senadeera, W., Alves-Filho, O. and Eikevik, T.. 2013. "Influence of drying conditions on the moisture diffusion and fluidization quality during multi-stage fluidized bed drying of bovine intestine for pet food." Food and Bioproducts Processing. 91 (C4), pp. 549-557. https://doi.org/10.1016/j.fbp.2013.08.008
Simulation of plant cell shrinkage during drying – a SPH–DEM approach
Karunasena, H. C. P., Senadeera, W., Brown, R. J. and Gu, Y. T.. 2014. "Simulation of plant cell shrinkage during drying – a SPH–DEM approach." Engineering Analysis with Boundary Elements. 44, pp. 1-18. https://doi.org/10.1016/j.enganabound.2014.04.004
Neutral and charged boron-doped fullerenes for CO2 adsorption
de Silva, Suchitra W., Du, Aijun, Senadeera, Wijitha and Gu, YuanTong. 2014. "Neutral and charged boron-doped fullerenes for CO2 adsorption." Beilstein Journal of Nanotechnology. 5, pp. 413-418. https://doi.org/10.3762/bjnano.5.49
Drying kinetics, quality changes and shrinkage of two grape varieties of Italy
Senadeera, W., Adiletta, G., Di Matteo, M. and Russo, P.. 2014. "Drying kinetics, quality changes and shrinkage of two grape varieties of Italy." Applied Mechanics and Materials. 553, pp. 362-366. https://doi.org/10.4028/www.scientific.net/AMM.553.362
A coupled SPH-DEM model for micro-scale structural deformations of plant cells during drying
Karunasena, H. C. P., Senadeera, W., Gu, Y. T. and Brown, R. J.. 2014. "A coupled SPH-DEM model for micro-scale structural deformations of plant cells during drying." Applied Mathematical Modelling: simulation and computation for engineering and environmental systems. 38 (15-16), pp. 3781-3801. https://doi.org/10.1016/j.apm.2013.12.004
Physio-chemical assessment of beauty leaf (Calophyllum inophyllum)as second-generation biodiesel feedstock
Jahirul, M. I., Brown, R. J., Senadeera, W., Ashwath, N., Rasul, M. G., Rahman, M. M., Hossain, Farhad M., Moghaddam, Lalehvash, Islam, M. A. and O'Hara, I. M.. 2015. "Physio-chemical assessment of beauty leaf (Calophyllum inophyllum)as second-generation biodiesel feedstock." Energy Reports. 1, pp. 204-215. https://doi.org/10.1016/j.egyr.2015.10.003
Physical mechanisms underlying the strain-rate-dependent mechanical behavior of kangaroo shoulder cartilage
Thibbotuwawa, Namal, Oloyede, Adekunle, Li, Tong, Singh, Sanjileena, Senadeera, Wijitha and Gu, YuanTong. 2015. "Physical mechanisms underlying the strain-rate-dependent mechanical behavior of kangaroo shoulder cartilage." Applied Physics Letters. 107 (10), pp. 103701-1. https://doi.org/10.1063/1.4929498
Investigation of the mechanical behavior of kangaroo humeral head cartilage tissue by a porohyperelastic model based on the strain-rate-dependent permeability
Thibbotuwawa, Namal, Oloyede, Adekunle, Senadeera, Wijitha, Li, Tong and Gu, YuanTong. 2015. "Investigation of the mechanical behavior of kangaroo humeral head cartilage tissue by a porohyperelastic model based on the strain-rate-dependent permeability." Journal of The Mechanical Behavior of Biomedical Materials. 51, pp. 248-259. https://doi.org/10.1016/j.jmbbm.2015.07.018
Estimation of biodiesel properties from chemical composition – an artificial neural network (ANN) approach
Jahirul, M. I., Senadeera, W., Brown, R. J. and Moghaddam, L.. 2014. "Estimation of biodiesel properties from chemical composition – an artificial neural network (ANN) approach." International Scientific Journal of Environmental Science. 3 (3), pp. 1-7.
Analysis of strain-rate dependent mechanical behavior of single chondrocyte: a finite element study
Gu, YuanTong, Nguyen, Trung Dung, Oloyede, Adekunle and Senadeera, Wijitha. 2014. "Analysis of strain-rate dependent mechanical behavior of single chondrocyte: a finite element study." International Journal of Computational Methods. 11 (1 (Supplement)), pp. 1344005-1. https://doi.org/10.1142/S0219876213440052
A particle based model to simulate microscale morphological changes of plant tissues during drying
Karunasena, H. C. P., Senadeera, W., Brown, R. J. and Gu, Y. T.. 2014. "A particle based model to simulate microscale morphological changes of plant tissues during drying." Soft Matter. 10 (29), pp. 5249-5268. https://doi.org/10.1039/c4sm00526k
A mesh free model for plant tissue deformations during drying
Karunasena, H. C. P., Senadeera, W., Brown, R. J. and Gu, Y. T.. 2014. "A mesh free model for plant tissue deformations during drying." Australian and New Zealand Industrial and Applied Mathematics (ANZIAM) Journal. 55 (EMAC2013), pp. C110-C137.
The influence of abrasive pretreatment on hot air drying of grape
Adiletta, Giuseppina, Senadeera, Wijitha, Liguori, Loredana, Crescitelli, Alessio, Albanese, Donatella and Russo, Paula. 2015. "The influence of abrasive pretreatment on hot air drying of grape." Food and Nutrition Sciences. 6, pp. 355-364. https://doi.org/10.4236/fns.2015.63036
Numerical investigation of plant tissue porosity and its influence on cellular level shrinkage during drying
Karunasena, H. C. P., Gu, Y. T., Brown, R. J. and Senadeera, W.. 2015. "Numerical investigation of plant tissue porosity and its influence on cellular level shrinkage during drying." Biosystems Engineering. 132, pp. 71-87. https://doi.org/10.1016/j.biosystemseng.2015.02.002
Influence of drying conditions on the moisture diffusion during single stage and two stage fluidized bed drying of bovine intestine for pet food
Alves-Filho, O., Senadeera, W. and Eikevik, T.. 2013. "Influence of drying conditions on the moisture diffusion during single stage and two stage fluidized bed drying of bovine intestine for pet food." Goncharova-Alves, S., Alves-Filho, O. and Eikevik, T. M. (ed.) 6th Nordic Drying Conference (NDC2013). Copenhagen, Denmark 05 - 07 Jun 2013 Copenhagen, Denmark.
Drying condition effects on fluidization quality and fluidization velocity at initial and final stages of cubical particulates for pet food
Alves-Filho, O., Senadeera, W. and Eikevik, T.. 2013. "Drying condition effects on fluidization quality and fluidization velocity at initial and final stages of cubical particulates for pet food." Goncharova-Alves, S., Alves-Filho, O. and Eikevik, T. M. (ed.) 6th Nordic Drying Conference (NDC2013). Copenhagen, Denmark 05 - 07 Jun 2013 Copenhagen, Denmark.
An artificial neutral network (ANN) model for predicting biodiesel kinetic viscosity as a function of temperature and chemical compositions
Jahirul, M. L., Senadeera, W., Brooks, P., Brown, R. J., Situ, R., Pham, P. X. and Masri, A. R.. 2013. "An artificial neutral network (ANN) model for predicting biodiesel kinetic viscosity as a function of temperature and chemical compositions." Piantadosi, J., Anderssen, R. S. and Boland, J. (ed.) 20th International Congress on Modelling and Simulation (MODSIM2013). Adelaide, Australia 01 - 06 Dec 2013 Canberra, Australia. Modelling and Simulation Society of Australia and New Zealand .
Application of meshfree methods to numerically simulate microscale deformations of different plant food materials during drying
Karunasena, H. C. P., Brown, R. J., Gu, Y. T. and Senadeera, W.. 2015. "Application of meshfree methods to numerically simulate microscale deformations of different plant food materials during drying." Journal of Food Engineering. 146, pp. 209-226. https://doi.org/10.1016/j.jfoodeng.2014.09.011
The use of artificial neural networks for identifying sustainable biodiesel feedstocks
Jahirul, Mohammed I., Brown, Richard J., Senadeera, Wijitha, O'Hara, Ian M. and Ristovski, Zoran D.. 2013. "The use of artificial neural networks for identifying sustainable biodiesel feedstocks." Energies. 6 (8), pp. 3764-3806. https://doi.org/10.3390/en6083764
Scanning electron microscopic study of microstructure of gala apples during hot air drying
Karunasena, H. C. P., Hesami, P., Senadeera, W., Gu, Y. T., Brown, R. J. and Oloyede, A.. 2014. "Scanning electron microscopic study of microstructure of gala apples during hot air drying." Drying Technology: an international journal. 32 (4), pp. 455-468. https://doi.org/10.1080/07373937.2013.837479
Numerical investigation of case hardening of plant tissue during drying and its influence on the cellular-level shrinkage
Karunasena, H. C. P., Gu, Y.T., Brown, R. J. and Senadeera, W.. 2015. "Numerical investigation of case hardening of plant tissue during drying and its influence on the cellular-level shrinkage." Drying Technology: an international journal. 33 (6), pp. 713-734. https://doi.org/10.1080/07373937.2014.982759
Biodiesel production from non-edible beauty leaf (Calophyllum inophyllum) oil: process pptimization using response surface methodology (RSM)
Jahirul, Mohammad I., Koh, Wenyong, Brown, Richard J., Senadeera, Wijitha, O'Hara, Ian and Moghaddam, Lalehvash. 2014. "Biodiesel production from non-edible beauty leaf (Calophyllum inophyllum) oil: process pptimization using response surface methodology (RSM)." Energies. 7 (8), pp. 5317-5331. https://doi.org/10.3390/en7085317
Estimating life cycle cost for a product family design: The challenges
Suteja, T. J., Karim, A., Yarlagadda, P. K. D. V. and Yan, C.. 2017. "Estimating life cycle cost for a product family design: The challenges." 1st International Conference on Informatics, Technology and Engineering (INCITE 2017). Indonesia 24 - 25 Aug 2017 United Kingdom. https://doi.org/10.1088/1757-899X/273/1/012026
Investigation on Temperature-Dependent Electrical Conductivity of Carbon Nanotube/Epoxy Composites for Sustainable Energy Applications
Njuguna, Michael K., Galpaya, Dilini, Yan, Cheng, Colwell, Colwell, Will, Geoffrey, Hu, Ning, Yarlagadda, Prasad and Bell, John M.. 2015. "Investigation on Temperature-Dependent Electrical Conductivity of Carbon Nanotube/Epoxy Composites for Sustainable Energy Applications." Journal of Nanoscience and Nanotechnology. 15 (9), pp. 6957-6964. https://doi.org/10.1166/jnn.2015.10514
Tensile properties of Si nanowires with faulted stacking layers
Zhan, Haifei, Gu, Yuantong, Yan, Cheng and Yarlagadda, Prasad K. D. V.. 2014. "Tensile properties of Si nanowires with faulted stacking layers." Science of Advanced Materials. 6 (7), pp. 1489-1492. https://doi.org/10.1166/sam.2014.1800
An Activity and Resource Advisory System for Manufacturing Process Chains Selection at the Early Stage of Product Development
The, Jaya Suteja, Yarlagadda, Prasad K. D. V., Karim, Azharul and Yan, Cheng. 2014. "An Activity and Resource Advisory System for Manufacturing Process Chains Selection at the Early Stage of Product Development." 3rd International Conference on Materials and Products Manufacturing Technology (ICMPMT 2013). China 25 - 26 Sep 2013 Scientific.Net. https://doi.org/10.4028/www.scientific.net/AMR.834-836.1927
Bending properties of Ag nanowires with pre-existing surface defects
Zhan, H. F., Gu, Y. T., Yan, C. and Yarlagadda, P. K. D. V.. 2014. "Bending properties of Ag nanowires with pre-existing surface defects." Computational Materials Science. 81, pp. 45-51. https://doi.org/10.1016/j.commatsci.2013.05.032
Drying constant and shrinkage constant relations of different shaped food particulates: empirical models
Senadeera, W.. 2008. "Drying constant and shrinkage constant relations of different shaped food particulates: empirical models." Thorat, B. N. and Mujumdar, A. S. (ed.) 16th International Drying Symposium (IDS 2008). Hyderabad, India 09 - 12 Nov 2008 https://doi.org/10.1080/07373930903221812
Fluidization characteristics of moist food particles
Senadeera, Wijitha, Wijesinghe, Bandu, Young, Gordon and Bhandari, Bhesh. 2006. "Fluidization characteristics of moist food particles." International Journal of Food Engineering. 2 (1), pp. 1-13. https://doi.org/10.2202/1556-3758.1047
Modeling dimensional shrinkage of shaped foods in fluidized bed drying
Senadeera, Wijitha, Bhandari, Bhesh R., Young, Gordon and Wijesinghe, Bandu. 2005. "Modeling dimensional shrinkage of shaped foods in fluidized bed drying." Journal of Food Processing and Preservation. 29 (2), pp. 109-119. https://doi.org/10.1111/j.1745-4549.2005.00017.x
Influence of shapes of selected vegetable materials on drying kinetics during fluidized bed drying
Senadeera, Wijitha, Bhandari, Bhesh R., Young, Gordon and Wijesinghe, Bandu. 2003. "Influence of shapes of selected vegetable materials on drying kinetics during fluidized bed drying." Journal of Food Engineering. 58 (3), pp. 277-283. https://doi.org/10.1016/S0260-8774(02)00386-2
Methods for effective fluidization of particulate food materials
Senadeera, Wijitha, Bhandari, Bhesh R., Young, Gordon and Wijesinghe, Bandu. 2000. "Methods for effective fluidization of particulate food materials." Drying Technology: an international journal. 18 (7), pp. 1537-1557. https://doi.org/10.1080/07373930008917792
Physical properties and fluidization behaviour of fresh green bean particulates during fluidized bed drying
Senadeera, W., Bhandari, B., Young, G. and Wijesinghe, B.. 2000. "Physical properties and fluidization behaviour of fresh green bean particulates during fluidized bed drying." Food and Bioproducts Processing. 78 (C1), pp. 43-47. https://doi.org/10.1205/096030800532707