Kennedy Research Group

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Journal Articles

Imtiaz, S.;  Amiinu, I. S.;  Xu, Y.;  Kennedy, T.;  Blackman, C.; Ryan, K. M., Progress and perspectives on alloying-type anode materials for advanced potassium-ion batteries. Materials Today 2021.

Kilian, S.;  McCarthy, K.;  Stokes, K.;  Adegoke, T. E.;  Conroy, M.;  Amiinu, I. S.;  Geaney, H.;  Kennedy, T.; Ryan, K. M., Direct Growth of Si, Ge, and Si–Ge Heterostructure Nanowires Using Electroplated Zn: An Inexpensive Seeding Technique for Li‐Ion Alloying Anodes. Small 2021, 17 (10), 2005443.

Foley, S.;  Geaney, H.;  Kennedy, T.;  Aminu, I.;  Bree, G.;  McCarthy, K.;  Darwish, S.;  Connolly, S.;  Mukherjee, S.; Lebedev, V., Tin-Based Oxide, Alloy, and Selenide Li-Ion Battery Anodes Derived from a Bimetallic Metal–Organic Material. The Journal of Physical Chemistry C 2021, 125 (2), 1180-1189.

Ross, A. M.;  Kennedy, T.;  McNulty, D.;  Leahy, C. I.;  Walsh, D. R.;  Murray, P.;  Grabrucker, A. M.; Mulvihill, J. J., Comparing nanoparticles for drug delivery: The effect of physiological dispersion media on nanoparticle properties. Materials Science and Engineering: C 2020, 113, 110985.

Stokes, K.;  Kennedy, T.;  Kim, G.-T.;  Geaney, H.;  Storan, D.;  Laffir, F.;  Appetecchi, G. B.;  Passerini, S.; Ryan, K. M., Influence of Carbonate-Based Additives on the Electrochemical Performance of Si NW Anodes Cycled in an Ionic Liquid Electrolyte. Nano Letters 2020, 20 (10), 7011-7019.

Stokes, K.;  Boonen, W.;  Geaney, H.;  Kennedy, T.;  Borsa, D.; Ryan, K. M., Tunable Core–Shell Nanowire Active Material for High Capacity Li-Ion Battery Anodes Comprised of PECVD Deposited aSi on Directly Grown Ge Nanowires. ACS Applied Materials & Interfaces 2019, 11, 19372-19380.

Geaney, H.; Bree, G.; Stokes, K.; McCarthy, K.; Kennedy, T.; Ryan, K. M., Highlighting the importance of full-cell testing for high performance anode materials comprising Li alloying nanowires. Journal of The Electrochemical Society 2019, 166 (13), A2784-A2790.

Geaney, H.; Bree, G.; Stokes, K.; Collins, G. A.; Aminu, I.; Kennedy, T.; Ryan, K. M., Enhancing the Performance of Germanium Nanowire Anodes for Li-ion Batteries by Direct Growth on Textured Copper. Chemical Communications 2019, 55, 7780-7783

Stokes, K.; Geaney, H.; Flynn, G.; Sheehan, M.; Kennedy, T.; Ryan, K. M., Direct Synthesis of Alloyed Si1–x Gex Nanowires for Performance-Tunable Lithium Ion Battery Anodes. ACS Nano 2017, 11, 10088-10096.

Kennedy, T.; Brandon, M; Laffir, F.; Ryan, K.M. Understanding the Influence of Electrolyte Additives on the Electrochemical Performance and Morphology Evolution of Silicon Nanowire Based Lithium-Ion Battery Anodes. Journal of Power Sources 2017, 359, 601-610

Kim, G.T.; Kennedy, T.; Brandon, M.; Geaney, H.; Ryan, K.M.; Passerini, S.; Appetecchi, G.B. Behavior of Germanium and Silicon Nanowire Anodes with Ionic Liquid Electrolytes. ACS Nano, 2017, 11, 5933-5943

Flynn, G., Palaniappan, K., Sheehan, M.; Kennedy, T., Ryan, K. Solution Synthesis of Lead Seeded Germanium Nanowires and Branched Nanowire Networks and their Application as Li-Ion Battery Anodes. Nanotechnology 2017, 28, 255603-255611

Kennedy, T.; Brandon, M; Ryan, K.M. Advances in the Application of Silicon and Germanium Nanowires for High-Performance Lithium-Ion Batteries. Advanced Materials 2016, 28, 5696–5704

Kennedy, T.; Bezuidenhout, M.; Palaniappan, K.; Stokes, K.; Brandon, M.; Ryan, K. M. Nanowire Heterostructures Comprising Germanium Stems and Silicon Branches as High-Capacity Li-ion Anodes with Tunable Rate Capability. ACS Nano 20159 (7), 7456–7465

Bezuidenhout, M.; Kennedy, T.; Belochapkine, S.; Guo, Y.; Mullane, E.; Kiely, P. A.; Ryan, K. M. High density and patternable growth of silicon, germanium and alloyed SiGe nanowires by a rapid anneal protocol. Journal of Materials Chemistry C. 2015, 3, 7455-7462

Mullane, E#.; Kennedy, T.#; Geaney, H.; Ryan, K. M. A Rapid, Solvent-Free Protocol for the Synthesis of Germanium Nanowire Lithium-Ion Anodes with a Long Cycle Life and High Rate Capability. ACS Appl. Mater. Interfaces 2014, 6, 18800-18807.

Kennedy, T.; Mullane, E.; Geaney, H.; Osiak, M.; O’Dwyer, C.; Ryan, K. M. High-Performance Germanium Nanowire-Based Lithium-Ion Battery Anodes Extending over 1000 Cycles Through in Situ Formation of a Continuous Porous Network. Nano Lett. 2014, 14, 716-723.

Osiak, M. J.; Armstrong, E.; Kennedy, T.; Sotomayor Torres, C. M.; Ryan, K. M.; O’Dwyer, C. Core–Shell Tin Oxide, Indium Oxide, and Indium Tin Oxide Nanoparticles on Silicon with Tunable Dispersion: Electrochemical and Structural Characteristics as a Hybrid Li-Ion Battery Anode. ACS Appl. Mater. Interfaces 2013, 5, 8195-8202.

Osiak, M.; Khunsin, W.; Armstrong, E.; Kennedy, T.; Torres, C. S.; Ryan, K.; O’Dwyer, C. Epitaxial growth of visible to infra-red transparent conducting In2O3 nanodot dispersions and reversible charge storage as a Li-ion battery anode. Nanotechnology 2013, 24, 065401.

Mullane, E.; Kennedy, T.; Geaney, H.; Dickinson, C.; Ryan, K. M. Synthesis of Tin Catalyzed Silicon and Germanium Nanowires in a Solvent–Vapor System and Optimization of the Seed/Nanowire Interface for Dual Lithium Cycling. Chem. Mater. 2013, 25, 1816-1822.

Osiak, M.; Armstrong, E.; Kennedy, T.; Torres, C. M. S.; Ryan, K.; O’Dwyer, C. MBE Growth and Structural and Electrochemical Characterization of Tin Oxide and Indium Tin Oxide Nanoparticles Grown on Silicon for Li-ion Battery Anodes. ECS Transactions 2013, 53, 1-10.

Osiak, M.; Khunsin, W.; Armstrong, E.; Kennedy, T.; Torres, C. M. S.; Ryan, K. M.; O’Dwyer, C. Rechargeable Li-Ion Battery Anode of Indium Oxide with Visible to Infra-Red Transparency. ECS Transactions 2013, 53, 53-61.

Geaney, H.; Kennedy, T.; Dickinson, C.; Mullane, E.; Singh, A.; Laffir, F.; Ryan, K. M. High Density Growth of Indium seeded Silicon Nanowires in the Vapor phase of a High Boiling Point Solvent. Chem. Mater. 2012, 24, 2204-2210.

Book Chapters

de Meatza, I.; Miguel, O.; Cendoya, I.; Kim, G.-T.; Löffler, N.; Laszczynski, N.; Passerini, S.; Schweizer, P. M.; Castiglione, F.; Mele, A.; Appetecchi, G. B.; Moreno, M.; Brandon, M.; Kennedy, T.; Mullane, E.; Ryan, K. M.; Cantero, I.; Olive, M. In GREENLION Project: Advanced Manufacturing Processes for Low Cost Greener Li-Ion Batteries, Cham, Springer International Publishing: Cham, 2015; pp 45-60.


Ryan, K. M., Kennedy, T., and Mullane, E. “Silicon or Germanium Network Structure for Use as an Anode in a Battery.” U.S. Patent Application 15/703,493, filed January 4, 2018.

Ryan, K. M., and Kennedy, T. “A Nanowire Heterostructure.” U.S. Patent Application 15/579,029, filed June 21, 2018.

Ryan, K. M., and Kennedy, T. “A Silicon and Germanium Nanowire Heterostructure.” European Patent Application 16732952.3, filed April 11, 2018.

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