The University of Queensland

Co-electrolysis of steam and carbon dioxide in solid oxide cells

Ebbesen, Sune Dalgaard, Knibbe, Ruth and Mogensen, Mogens (2012) Co-electrolysis of steam and carbon dioxide in solid oxide cells. Journal of the Electrochemical Society, 159 8: F482-F489. doi:10.1149/2.076208jes

Corrosion stability of ferritic stainless steels for solid oxide electrolyser cell interconnects

Palcut, Marian, Mikkelsen, Lars, Neufeld, Kai, Chen, Ming, Knibbe, Ruth and Hendriksen, Peter V. (2010) Corrosion stability of ferritic stainless steels for solid oxide electrolyser cell interconnects. Corrosion Science, 52 10: 3309-3320. doi:10.1016/j.corsci.2010.06.006

Cathode-electrolyte interfaces with CGO barrier layers in SOFC

Knibbe, Ruth, Hjelm, Johan, Menon, Mohan, Pryds, Nini, Sogaard, Martin, Wang, Hsiang Jen and Neufeld, Kai (2010) Cathode-electrolyte interfaces with CGO barrier layers in SOFC. Journal of the American Ceramic Society, 93 9: 2877-2883. doi:10.1111/j.1551-2916.2010.03763.x

Hydrogen and synthetic fuel production using pressurized solid oxide electrolysis cells

Jensen, Soren Hojgaard, Sun, Xiufu, Ebbesen, Sune Dalgaard, Knibbe, Ruth and Mogensen, Mogens (2010) Hydrogen and synthetic fuel production using pressurized solid oxide electrolysis cells. International Journal of Hydrogen Energy, 35 18: 9544-9549. doi:10.1016/j.ijhydene.2010.06.065

Solid oxide electrolysis cells: degradation at high current densities

Knibbe, Ruth, Traulsen, Marie Lund, Hauch, Anne, Ebbesen, Sune Dalgaard and Mogensen, Mogens (2010) Solid oxide electrolysis cells: degradation at high current densities. Journal of the Electrochemical Society, 157 8: B1209-B1217. doi:10.1149/1.3447752

Separator coatings as efficient physical and chemical hosts of polysulfides for high-sulfur-loaded rechargeable lithium–sulfur batteries

Rana, Masud, Li, Ming, He, Qiu, Luo, Bin, Wang, Lianzhou, Gentle, Ian and Knibbe, Ruth (2020) Separator coatings as efficient physical and chemical hosts of polysulfides for high-sulfur-loaded rechargeable lithium–sulfur batteries. Journal of Energy Chemistry, 44 51-60. doi:10.1016/j.jechem.2019.08.017

Front Cover: Catalyst–Electrolyte Interactions in Aqueous Reline Solutions for Highly Selective Electrochemical CO 2 Reduction (ChemSusChem 2/2020)

Multifunctional effects of sulfonyl-anchored, dual-doped multilayered graphene for high areal capacity lithium sulfur batteries

Rana, Masud, He, Qiu, Luo, Bin, Lin, Tongen, Ran, Lingbing, Li, Ming, Gentle, Ian and Knibbe, Ruth (2019) Multifunctional effects of sulfonyl-anchored, dual-doped multilayered graphene for high areal capacity lithium sulfur batteries. ACS Central Science, 5 12: 1946-1958. doi:10.1021/acscentsci.9b01005

Catalyst‐electrolyte interactions in aqueous reline solutions for highly selective electrochemical CO2 reduction

Garg, Sahil, Li, Mengran, Rufford, Thomas Edward, Ge, Lei, Rudolph, Victor, Knibbe, Ruth, Konarova, Muxina and Wang, Guoxiong (2019) Catalyst‐electrolyte interactions in aqueous reline solutions for highly selective electrochemical CO2 reduction. ChemSusChem, . doi:10.1002/cssc.201902433

Evaluation of SrCo0.8Nb0.2O3-δ, SrCo0.8Ta0.2O3-δ and SrCo0.8Nb0.1Ta0.1O3-δ as air electrode materials for solid oxide electrolysis and reversible solid oxide cells

Khan, Muhammad Shirjeel, Xu, Xiaoyong, Li, Mengran, Rehman, Ateeq-ur, Knibbe, Ruth, Yago, Anya Josefa and Zhu, Zhonghua (2019) Evaluation of SrCo0.8Nb0.2O3-δ, SrCo0.8Ta0.2O3-δ and SrCo0.8Nb0.1Ta0.1O3-δ as air electrode materials for solid oxide electrolysis and reversible solid oxide cells. Electrochimica Acta, 321 134654. doi:10.1016/j.electacta.2019.134654

Unveiling lithium roles in cobalt‐free cathodes for efficient oxygen reduction reaction below 600 °C

Rehman, Ateeq Ur, Li, Mengran, Knibbe, Ruth, Khan, M. Shirjeel, Zhou, Wei and Zhu, Zhonghua (2019) Unveiling lithium roles in cobalt‐free cathodes for efficient oxygen reduction reaction below 600 °C. ChemElectroChem, 6 20: 5340-5348. doi:10.1002/celc.201901452

Sandwich‐like ultrathin TiS 2 nanosheets confined within N, S codoped porous carbon as an effective polysulfide promoter in lithium‐sulfur batteries

Huang, Xia, Tang, Jiayong, Luo, Bin, Knibbe, Ruth, Lin, Tongen, Hu, Han, Rana, Masud, Hu, Yuxiang, Zhu, Xiaobo, Gu, Qinfen, Wang, Dan and Wang, Lianzhou (2019) Sandwich‐like ultrathin TiS 2 nanosheets confined within N, S codoped porous carbon as an effective polysulfide promoter in lithium‐sulfur batteries. Advanced Energy Materials, 1901872. doi:10.1002/aenm.201901872

Enhancing oxygen reduction reaction activity and CO2 tolerance of cathode for low-temperature solid oxide fuel cells by in situ formation of carbonates

Rehman, Ateeq Ur, Li, Mengran, Knibbe, Ruth, Khan, Muhammad Shirjeel, Peterson, Vanessa K., Brand, Helen E. A., Li, Zhiheng, Zhou, Wei and Zhu, Zhonghua (2019) Enhancing oxygen reduction reaction activity and CO2 tolerance of cathode for low-temperature solid oxide fuel cells by in situ formation of carbonates. ACS Applied Materials and Interfaces, 26909-26919. doi:10.1021/acsami.9b07668

The role of functional materials to produce high areal capacity lithium sulfur battery

Rana, Masud, Luo, Bin, Kaiser, Mohammad Rejaul, Gentle, Ian and Knibbe, Ruth (2019) The role of functional materials to produce high areal capacity lithium sulfur battery. Journal of Energy Chemistry, 42 195-209. doi:10.1016/j.jechem.2019.06.015

Cyclic voltammetry in lithium–sulfur batteries—challenges and opportunities

Huang, Xia, Wang, Zhiliang, Knibbe, Ruth, Luo, Bin, Ahad, Syed Abdul, Sun, Dan and Wang, Lianzhou (2019) Cyclic voltammetry in lithium–sulfur batteries—challenges and opportunities. Energy Technology, . doi:10.1002/ente.201801001

Recent advances in separators to mitigate technical challenges associated with re-chargeable lithium sulfur batteries

Rana, Masud, Li, Ming, Huang, Xia, Luo, Bin, Gentle, Ian and Knibbe, Ruth (2019) Recent advances in separators to mitigate technical challenges associated with re-chargeable lithium sulfur batteries. Journal of Materials Chemistry A, 7 12: 6596-6615. doi:10.1039/c8ta12066h

Review on areal capacities and long-term cycling performances of lithium sulfur battery at high sulfur loading

Rana, Masud, Ahad, Syed Abdul, Li, Ming, Luo, Bin, Wang, Lianzhou, Gentle, Ian and Knibbe, Ruth (2018) Review on areal capacities and long-term cycling performances of lithium sulfur battery at high sulfur loading. Energy Storage Materials, 18 289-310. doi:10.1016/j.ensm.2018.12.024

Non-enzymatic glucose sensor based on copper oxide and multi-wall carbon nanotubes using PEDOT:PSS matrix

Amirzadeh, Zhila, Javadpour, Sirus, Shariat, Mohammad Hossein and Knibbe, Ruth (2018) Non-enzymatic glucose sensor based on copper oxide and multi-wall carbon nanotubes using PEDOT:PSS matrix. Synthetic Metals, 245 160-166. doi:10.1016/j.synthmet.2018.08.021

An integrated approach towards enhanced performance of Lithium Sulfur Battery and its fading mechanism

Huang, Xia, Luo, Bin, Knibbe, Ruth, Hu, Han, Lyu, Miaoqiang, Xiao, Mu, Sun, Dan, Wang, Songcan and Wang, Lianzhou (2018) An integrated approach towards enhanced performance of Lithium Sulfur Battery and its fading mechanism. Chemistry - A European Journal, 24 69: 18544-18550. doi:10.1002/chem.201804369

In situ techniques for developing robust Li-S batteries

Li, Ming, Amirzadeh, Zhila, De Marco, Roland, Tan, Xin Fu, Whittaker, Andrew, Huang, Xia, Wepf, Roger and Knibbe, Ruth (2018) In situ techniques for developing robust Li-S batteries. Small Methods, 1800133. doi:10.1002/smtd.201800133

Porous scandia-stabilized zirconia layer for enhanced performance of reversible solid oxide cells

Khan, Muhammad Shirjeel, Xu, Xiaoyong, Knibbe, Ruth and Zhu, Zhonghua (2018) Porous scandia-stabilized zirconia layer for enhanced performance of reversible solid oxide cells. ACS Applied Materials and Interfaces, 10 30: 25295-25302. doi:10.1021/acsami.8b05504

A porous yttria-stabilized zirconia layer to eliminate the delamination of air electrode in solid oxide electrolysis cells

Khan, Muhammad Shirjeel, Xu, Xiaoyong, Zhao, Jie, Knibbe, Ruth and Zhu, Zhonghua (2017) A porous yttria-stabilized zirconia layer to eliminate the delamination of air electrode in solid oxide electrolysis cells. Journal of Power Sources, 359 104-110. doi:10.1016/j.jpowsour.2017.05.049

Recent Progress on Advanced Materials for Solid-Oxide Fuel Cells Operating Below 500 °C

Zhang, Yuan, Knibbe, Ruth, Sunarso, Jaka, Zhong, Yijun, Zhou, Wei, Shao, Zongping and Zhu, Zhonghua (2017) Recent Progress on Advanced Materials for Solid-Oxide Fuel Cells Operating Below 500 °C. Advanced Materials, 29 48: 1-33. doi:10.1002/adma.201700132

Enhanced low-temperature critical current by reduction of stacking faults in REBCO coated conductors

Puichaud, A-H, Wimbush, S. C. and Knibbe, R. (2017) Enhanced low-temperature critical current by reduction of stacking faults in REBCO coated conductors. Superconductor Science & Technology, 30 7: . doi:10.1088/1361-6668/aa6ce8

New composites of nanoparticle Cu (I) oxide and titania in a novel inorganic polymer (geopolymer) matrix for destruction of dyes and hazardous organic pollutants

Falah, Mahroo, MacKenzie, Kenneth J.D., Knibbe, Ruth, Page, Samuel J. and Hanna, John V. (2016) New composites of nanoparticle Cu (I) oxide and titania in a novel inorganic polymer (geopolymer) matrix for destruction of dyes and hazardous organic pollutants. Journal of Hazardous Materials, 318 772-782. doi:10.1016/j.jhazmat.2016.06.016

Structure property relationships in a nanoparticle-free SmBCO coated conductor

Knibbe, R., Strickland, N. M., Wimbush, S. C., Puichaud, A-H and Long, N. J. (2016) Structure property relationships in a nanoparticle-free SmBCO coated conductor. Superconductor Science and Technology, 29 6: . doi:10.1088/0953-2048/29/6/065006

Electrochemical characterization of La0.6Ca0.4Fe 0.8Ni0.2O3-δ perovskite cathode for IT-SOFC

Ortiz-Vitoriano, N., Hauch, A., Ruiz de Larramendi, I., Bernuy-Lopez, C., Knibbe, R. and Rojo, T. (2013) Electrochemical characterization of La0.6Ca0.4Fe 0.8Ni0.2O3-δ perovskite cathode for IT-SOFC. Journal of Power Sources, 239 196-200. doi:10.1016/j.jpowsour.2013.03.121

Oxygen deficiency, stacking faults and calcium substitution in MOD YBCO coated conductors

Talantsev, E. F., Wimbush, S. C., Strickland, N. M., Xia, J. A., D'Souza, P., Storey, J. G., Tallon, J. L., Ingham, B., Knibbe, R. and Long, N. J. (2013) Oxygen deficiency, stacking faults and calcium substitution in MOD YBCO coated conductors. IEEE Transactions on Applied Superconductivity, 23 3: . doi:10.1109/TASC.2012.2233843

Relating critical currents to defect populations in superconductors

Long, N. J., Wimbush, S. C., Strickland, N. M., Talantsev, E. F., D'Souza, P., Xia, J. A. and Knibbe, R. (2013) Relating critical currents to defect populations in superconductors. IEEE Transactions on Applied Superconductivity, 23 3: . doi:10.1109/TASC.2012.2235116

Oxidation in ceria infiltrated metal supported SOFCs - a TEM investigation

Knibbe, Ruth, Wang, Hsiang-Jen, Blennow, Peter, Thyden, Karl, Persson, Asa H., Mikkelsen, Lars and Klemenso, Trine (2013) Oxidation in ceria infiltrated metal supported SOFCs - a TEM investigation. Journal of Power Sources, 228 75-82. doi:10.1016/j.jpowsour.2012.11.051

Optimizing solid oxide fuel cell cathode processing route for intermediate temperature operation

Ortiz-Vitoriano, N., Bernuy-Lopez, C., Ruiz de Larramendi, I., Knibbe, R., Thyden, K., Hauch, A., Holtappels, P. and Rojo, T. (2013) Optimizing solid oxide fuel cell cathode processing route for intermediate temperature operation. Applied Energy, 104 984-991. doi:10.1016/j.apenergy.2012.12.003

Modeling degradation in SOEC impedance spectra

Jensen, Soren Hojgaard, Hauch, Anne, Knibbe, Ruth, Jacobsen, Torben and Mogensen, Mogens (2013) Modeling degradation in SOEC impedance spectra. Journal of the Electrochemical Society, 160 3: F244-F250. doi:10.1149/2.023303jes

Efficient dual layer interconnect coating for high temperature electrochemical devices

Palcut, Marian, Mikkelsen, Lars, Neufeld, Kai, Chen, Ming, Knibbe, Ruth and Hendriksen, Peter Vang (2012) Efficient dual layer interconnect coating for high temperature electrochemical devices. International Journal of Hydrogen Energy, 37 19: 14501-14510. doi:10.1016/j.ijhydene.2012.07.038

Co-electrolysis of steam and carbon dioxide in solid oxide cells

Ebbesen, Sune Dalgaard, Knibbe, Ruth and Mogensen, Mogens (2012) Co-electrolysis of steam and carbon dioxide in solid oxide cells. Journal of the Electrochemical Society, 159 8: F482-F489. doi:10.1149/2.076208jes

Cation inter-diffusion between LaMnO3 and LaCoO3 materials

Palcut, Marian, Knibbe, Ruth, Wiik, Kjell and Grande, Tor (2011) Cation inter-diffusion between LaMnO3 and LaCoO3 materials. Solid State Ionics, 202 1: 6-13. doi:10.1016/j.ssi.2011.09.003

Durability of solid oxide cells

Knibbe, Ruth, Hauch, Anne, Hjelm, Johan, Ebbesen, Sune D. and Mogensen, Mogens (2011) Durability of solid oxide cells. Green, 1 2: 141-169. doi:10.1515/GREEN.2011.015

High performance cathodes for solid oxide fuel cells prepared by infiltration of La0.6Sr0.4CoO3-δ into Gd-doped ceria

Samson, A., Sogaard, M., Knibbe, R. and Bonanos, N. (2011) High performance cathodes for solid oxide fuel cells prepared by infiltration of La0.6Sr0.4CoO3-δ into Gd-doped ceria. Journal of the Electrochemical Society, 158 6: B650-B659. doi:10.1149/1.3571249

Corrosion stability of ferritic stainless steels for solid oxide electrolyser cell interconnects

Palcut, Marian, Mikkelsen, Lars, Neufeld, Kai, Chen, Ming, Knibbe, Ruth and Hendriksen, Peter V. (2010) Corrosion stability of ferritic stainless steels for solid oxide electrolyser cell interconnects. Corrosion Science, 52 10: 3309-3320. doi:10.1016/j.corsci.2010.06.006

Cathode-electrolyte interfaces with CGO barrier layers in SOFC

Knibbe, Ruth, Hjelm, Johan, Menon, Mohan, Pryds, Nini, Sogaard, Martin, Wang, Hsiang Jen and Neufeld, Kai (2010) Cathode-electrolyte interfaces with CGO barrier layers in SOFC. Journal of the American Ceramic Society, 93 9: 2877-2883. doi:10.1111/j.1551-2916.2010.03763.x

Hydrogen and synthetic fuel production using pressurized solid oxide electrolysis cells

Jensen, Soren Hojgaard, Sun, Xiufu, Ebbesen, Sune Dalgaard, Knibbe, Ruth and Mogensen, Mogens (2010) Hydrogen and synthetic fuel production using pressurized solid oxide electrolysis cells. International Journal of Hydrogen Energy, 35 18: 9544-9549. doi:10.1016/j.ijhydene.2010.06.065

Solid oxide electrolysis cells: degradation at high current densities

Knibbe, Ruth, Traulsen, Marie Lund, Hauch, Anne, Ebbesen, Sune Dalgaard and Mogensen, Mogens (2010) Solid oxide electrolysis cells: degradation at high current densities. Journal of the Electrochemical Society, 157 8: B1209-B1217. doi:10.1149/1.3447752

Glass-phase movement in yttria-stabilized zirconia/alumina composites

Knibbe, Ruth, Auchterlonie Graeme J., Mori, Toshiyuki, Lashtabeg, Anna and Drennan, John (2010) Glass-phase movement in yttria-stabilized zirconia/alumina composites. Journal of the American Ceramic Society, 93 5: 1494-1500. doi:10.1111/j.1551-2916.2010.03612.x

Effect of alumina additions in YSZ on the microstructure and degradation of the LSM-YSZ interface

Knibbe, R., Drennan, J. and Love, J.G. (2009) Effect of alumina additions in YSZ on the microstructure and degradation of the LSM-YSZ interface. Solid State Ionics, 180 14-16: 984-989. doi:10.1016/j.ssi.2009.04.006

Synthesis and characterisation of macroporous Yttria Stabilised Zirconia (YSZ) using polystyrene spheres as templates

Lashtabeg, Anna, Drennan, John, Knibbe, Ruth, Bradley, John L. and Lu, Gao Qing (2009) Synthesis and characterisation of macroporous Yttria Stabilised Zirconia (YSZ) using polystyrene spheres as templates. Microporous And Mesoporous Materials, 117 1-2: 395-401. doi:10.1016/j.micromeso.2008.07.018

Effect of alumina additions on the anode|electrolyte interface in solid oxide fuel cells

Knibbe, R., Drennan, J., Dicks, A. L. and Love, J. (2008) Effect of alumina additions on the anode|electrolyte interface in solid oxide fuel cells. Journal of Power Sources, 179 2: 511-519. doi:10.1016/j.jpowsour.2007.12.111

Ultrahigh electron emissive carbon nanotubes with nano-sized RuO2 particles deposition

Knibbe, Ruth, Nogita, Kazuhiro, Drennan, John, Noguchi, Tsuneyuki, Tatenuma, Katsuyoshi, Liu, Pou, Arai, Fumihito, Yashima, Eiji, Nishiwaki, Michiru and Kato, Shigeki (2007) Ultrahigh electron emissive carbon nanotubes with nano-sized RuO2 particles deposition. Journal of Nanoparticle Research, 9 6: 1201-1204. doi:10.1007/s11051-006-9207-1

Catalyst-electrolyte interactions in aqueous reline solutions for highly selective electrochemical CO2 reduction

Garg, Sahil, Li, Mengran, Rufford, Thomas E., Ge, Lei, Rudolph, Victor, Knibbe, Ruth, Konarova, Muxina and Wang, Geoff (2019). Catalyst-electrolyte interactions in aqueous reline solutions for highly selective electrochemical CO2 reduction. In: 4th Queensland Annual Chemistry Symposium, Brisbane, QLD, Australia, (). 29 November 2019.

Improved oxidation resistance of ferritic steels with LSM coating for high temperature electrochemical applications

Palcut, Marian, Mikkelsen, Lars, Neufeld, Kai, Chen, Ming, Knibbe, Ruth and Hendriksen, Peter Vang (2012). Improved oxidation resistance of ferritic steels with LSM coating for high temperature electrochemical applications. In: 7th Petite Workshop on the Defect Chemical Nature of Energy Materials, Storaas, Kongsberg, Norway, (8087-8094). 14-17 March 2011. doi:10.1016/j.ijhydene.2011.11.138

Electrochemical characterisation of solid oxide cell electrodes for hydrogen production

Bernuy-Lopez, Carlos, Knibbe, Ruth, He, Zeming, Mao, Xiaojian, Hauch, Anne and Nielsen, Karsten A. (2011). Electrochemical characterisation of solid oxide cell electrodes for hydrogen production. In: Spanish National Congress of Fuel Cells (CONAPPICE 2010), Spain, (4396-4403). 2010. doi:10.1016/j.jpowsour.2010.10.102

Investigation of failure mechanisms in TI containing brazing alloys used in SOFC/SOEC environments

Kiebach, Wolff-Ragnar, Knibbe, Ruth, Frederiksen, Kristian B., Chen, Ming, Mikkelsen, Lars and Hendriksen, Peter V. (2010). Investigation of failure mechanisms in TI containing brazing alloys used in SOFC/SOEC environments. In: Proceedings of the Asme 8Th International Conference On Fuel Cell Science, Engineering, and Technology 2010, Vol 2. 8th International Conference on Fuel Cell Science, Engineering and Technology, Brooklyn, NY, United States, (655-665). Jun 14-16, 2010. doi:10.1115/FuelCell2010-33039

Origin of polarization losses in solid oxide electrolysis cells under high current density

Knibbe, R., Ebbesen, S. D. and Mogensen, M. (2010). Origin of polarization losses in solid oxide electrolysis cells under high current density. In: Lvov, SN, Subramanian, VR, Weidner, JW and Williams, M, Electrochemical Technologies for Hydrogen Production. Electrochemical Technologies for Hydrogen Production - 217th ECS Meeting, Vancouver, BC, (77-87). April 25, 2010-April 30, 2010. doi:10.1149/1.3501097

Electrochemical characterization of planar anode supported SOFC with strontium-doped lanthanum cobalt oxide cathodes

Hjelm, J., Søgaard, M., Knibbe, R., Hagen, A. and Mogensen, M. (2008). Electrochemical characterization of planar anode supported SOFC with strontium-doped lanthanum cobalt oxide cathodes. In: ECS Transactions - Ionic and Mixed Conducting Ceramics 6 - 213th ECS Meeting. Ionic and Mixed Conducting Ceramics 6 - 213th ECS Meeting, , , (285-299). May 18, 2008-May 23, 2008. doi:10.1149/1.3050400

Analytical electron microscopy of proton exchange membrane fuel cells

Drennan, John, Webb, Rick, Nogita, Kaz, Knibbe, Ruth, Auchterlonie, Graeme, Tatenuma, K. and Hunter, Jane (2006). Analytical electron microscopy of proton exchange membrane fuel cells. In: E. Ivers-Tiffée, J. Maier and S. Singhal, Solid State Ionics 15: Proceedings of the 15th International Conference on Solid State Ionics, Part I. International Conference on Solid State Ionics, Baden-Baden, Germany, (1649-1654). 17-22 July 2005. doi:10.1016/j.ssi.2006.07.016

Optimisation of the electrolyte assembly at Ceramic Fuel Cells Limited

Amarasinghe, Sudath, Ammala, Paul, Aruliah, Sathia, Bellon, Olivier, Bolden, Roger, Knibbe, Ruth, Love, Jon, Ratnaraj, Raj and Zheng, Xiao (2005). Optimisation of the electrolyte assembly at Ceramic Fuel Cells Limited. In: 9th International Symposium on Solid Oxide Fuel Cells, SOFC IX, Quebec, Canada, (184-190). 15 - 20 May 2005.

Development of Robust Solid Oxide Fuel Cells: Electrode-Electrolyte Interfaces in Solid Oxide Fuel Cells at Ceramic Fuel Cells Limited

Knibbe, Ruth (2007). Development of Robust Solid Oxide Fuel Cells: Electrode-Electrolyte Interfaces in Solid Oxide Fuel Cells at Ceramic Fuel Cells Limited PhD Thesis, School of Engineering, University of Queensland.