Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- Batteries (6)
- Carbon (4)
- Storage (4)
- Water (4)
- Cells (3)
-
- Efficient (3)
- Engineering (3)
- Enhanced (3)
- Evolution (3)
- High (3)
- Highly (3)
- Ion (3)
- Lithium (3)
- Oxygen (3)
- Properties (3)
- Sodium (3)
- Amorphous (2)
- Bifunctional (2)
- Cathode (2)
- Ceramics (2)
- Dirac (2)
- Efficiency (2)
- Electrocatalysts (2)
- Electronic (2)
- Embedded (2)
- Energy (2)
- Fabrication (2)
- Hierarchical (2)
- High-rate (2)
- Hybrid (2)
Articles 151 - 173 of 173
Full-Text Articles in Physical Sciences and Mathematics
Ultrasonic Spray Deposition Of Tio2 Electron Transport Layers For Reproducible And High Efficiency Hybrid Perovskite Solar Cells, Jingsong Sun, Alexander Pascoe, Steffen Meyer, Qijie Wu, Enrico Della Gaspera, Sonia Raga, Tian Zhang, Andrew Nattestad, Udo Bach, Yi-Bing Cheng, Jacek Jasieniak
Ultrasonic Spray Deposition Of Tio2 Electron Transport Layers For Reproducible And High Efficiency Hybrid Perovskite Solar Cells, Jingsong Sun, Alexander Pascoe, Steffen Meyer, Qijie Wu, Enrico Della Gaspera, Sonia Raga, Tian Zhang, Andrew Nattestad, Udo Bach, Yi-Bing Cheng, Jacek Jasieniak
Australian Institute for Innovative Materials - Papers
The fabrication of high efficiency perovskite solar cells at larger scales will rely on the optimized deposition conditions of every layer using scalable methodologies. Most current perovskite devices that employ the archetypal TiO2 hole blocking layer utilise a simple air-brush approach. This approach is not scalable as it results in significant layer inhomogeneity across larger devices areas. To overcome this inherent limitation, in this work we use ultrasonic spray deposition as an alternative approach for the TiO2 deposition. Focusing on identical reaction chemistries as for air-brush, namely bis(isopropoxide)-bis(acetylacetonate) titanium (IV) based solutions, we find that under optimized conditions smooth TiO2 …
Constructing Coo/Co3s4 Heterostructures Embedded In N-Doped Carbon Frameworks For High-Performance Sodium-Ion Batteries, Can Guo, Wenchao Zhang, Yi Liu, Jiapeng He, Shun Yang, Mingkai Liu, Qinghong Wang, Zaiping Guo
Constructing Coo/Co3s4 Heterostructures Embedded In N-Doped Carbon Frameworks For High-Performance Sodium-Ion Batteries, Can Guo, Wenchao Zhang, Yi Liu, Jiapeng He, Shun Yang, Mingkai Liu, Qinghong Wang, Zaiping Guo
Australian Institute for Innovative Materials - Papers
Heterostructures are attractive for advanced energy storage devices due to their rapid charge transfer kinetics, which is of benefit to the rate performance. The rational and facile construction of heterostructures with satisfactory electrochemical performance, however, is still a great challenge. Herein, ultrafine hetero-CoO/Co3S4 nanoparticles embedded in N-doped carbon frameworks (CoO/Co3S4@N-C) are successfully obtained by employing metal-organic frameworks as precursors. As anodes for sodium ion batteries, the CoO/Co3S4@N-C electrodes exhibit high specific capacity (1029.5 mA h g−1 at 100 mA g−1) and excellent rate capability (428.0 mA h g−1 at 5 A g−1), which may be attributed to their enhanced electric …
Preparation And Physical Properties Of A Cr3al Filmwith A Do3structure, Weiqi Zhao, Xuefang Dai, X M. Zhang, Z Mo, Xiaotian Wang, G F. Chen, Zhenxiang Cheng, Guodong Liu
Preparation And Physical Properties Of A Cr3al Filmwith A Do3structure, Weiqi Zhao, Xuefang Dai, X M. Zhang, Z Mo, Xiaotian Wang, G F. Chen, Zhenxiang Cheng, Guodong Liu
Australian Institute for Innovative Materials - Papers
A Cr3Al compound with a DO3 structure has previously been predicted to be nearly half metal and a promising spintronics material; however, its synthesis has not been reported. Here, a Cr3Al compound with a DO3 structure is successfully prepared in thin-film form by the magnetron sputtering method. It was found that the substrate temperature is crucial to the atomic ordering, thin-film density and lattice constant. The lattice constant varies with different substrate temperatures and is smaller than the theoretical equilibrium lattice constant. Theoretical investigations on the electronic structures and magnetic properties indicate that the Cr3Al compound with a DO3 structure …
Time-Resolved Imaging Of Magnetoelastic Waves By The Cotton-Mouton Effect, Tomosato Hioki, Yusuke Hashimoto, Tom H. Johansen, Eiji Saitoh
Time-Resolved Imaging Of Magnetoelastic Waves By The Cotton-Mouton Effect, Tomosato Hioki, Yusuke Hashimoto, Tom H. Johansen, Eiji Saitoh
Australian Institute for Innovative Materials - Papers
We investigate the propagation dynamics of magneto-elastic waves in an out-of-plane (OP) magnetized film using time-resolved magneto-optical (TRMO) microscopy based on the Cotton-Mouton effect. In OP magnetized films, spin precession induces a temporal change in the in-plane component of magnetization (m), which can be measured through birefringence induced by m, or the Cotton-Mouton effect (CME). Here we develop an imaging method based on CME, realizing the observation of stress-driven magneto-elastic waves in an OP magnetized film. This result expands the focus of TRMO microscopy, allowing investigation of magneto-elastic waves in OP magnetized films.
Electrocatalytically Inactive Sns2 Promotes Water Adsorption/Dissociation On Molybdenum Dichalcogenides For Accelerated Alkaline Hydrogen Evolution, Yaping Chen, Xingyong Wang, Mengmeng Lao, Kun Rui, Xiaobo Zheng, Haibo Yu, Jing Ma, Shi Xue Dou, Wenping Sun
Electrocatalytically Inactive Sns2 Promotes Water Adsorption/Dissociation On Molybdenum Dichalcogenides For Accelerated Alkaline Hydrogen Evolution, Yaping Chen, Xingyong Wang, Mengmeng Lao, Kun Rui, Xiaobo Zheng, Haibo Yu, Jing Ma, Shi Xue Dou, Wenping Sun
Australian Institute for Innovative Materials - Papers
Molybdenum dichalcogenides, in particular, MoS2 and MoSe2, are very promising nonprecious metal-based electrocatalysts for hydrogen evolution reaction (HER) in acidic media. They exhibit inferior alkaline HER activity, however, due to the sluggish water dissociation process. Here, we design and synthesize new molybdenum dichalcogenide-based heterostructures with the basal planes decorated with SnS2 quantum dots towards enhanced alkaline HER activity. The electrochemical results reveal that the alkaline hydrogen evolution kinetics of molybdenum dichalcogenides is substantially accelerated after incorporation of SnS2 quantum dots. The optimal MoSe2/SnS2 heterostructure delivers a much lower overpotential of 285 mV than MoSe2 (367 mV) to reach a current …
Recent Progress On Germanene And Functionalized Germanene: Preparation, Characterizations, Applications, And Challenges, Nana Liu, Guyue Bo, Yani Liu, Xun Xu, Yi Du, Shi Xue Dou
Recent Progress On Germanene And Functionalized Germanene: Preparation, Characterizations, Applications, And Challenges, Nana Liu, Guyue Bo, Yani Liu, Xun Xu, Yi Du, Shi Xue Dou
Australian Institute for Innovative Materials - Papers
2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim A new family of single-atom-thick 2D germanium-based materials with graphene-like atomic arrangement, germanene and functionalized germanene, has attracted intensive attention due to their large bandgap and easily tailored electronic properties. Unlike carbon atoms in graphene, germanium atoms tend to adopt mixed sp 2 /sp 3 hybridization in germanene, which makes it chemically active on the surface and allows its electronic states to be easily tuned by chemical functionalization. Impressive achievements in terms of the applications in energy storage and catalysis have been reported by using germanene and functionalized germanene. Herein, the fabrication …
Structural Insight Into Layer Gliding And Lattice Distortion In Layered Manganese Oxide Electrodes For Potassium-Ion Batteries, Qing Zhang, Christophe R. Didier, Wei Kong Pang, Yajie Liu, Zhijie Wang, Sean Li, Vanessa K. Peterson, Jianfeng Mao, Zaiping Guo
Structural Insight Into Layer Gliding And Lattice Distortion In Layered Manganese Oxide Electrodes For Potassium-Ion Batteries, Qing Zhang, Christophe R. Didier, Wei Kong Pang, Yajie Liu, Zhijie Wang, Sean Li, Vanessa K. Peterson, Jianfeng Mao, Zaiping Guo
Australian Institute for Innovative Materials - Papers
Potassium-ion batteries (PIBs) are an emerging, affordable, and environmentally friendly alternative to lithium-ion batteries, with their further development driven by the need for suitably performing electrode materials capable of reversibly accommodating the relatively large K+. Layer-structured manganese oxides are attractive as electrodes for PIBs, but suffer from structural instability and sluggish kinetics of K+ insertion/extraction, leading to poor rate capability. Herein, cobalt is successfully introduced at the manganese site in the KxMnO2 layered oxide electrode material and it is shown that with only 5% Co, the reversible capacity increases by 30% at 22 mA g-1 and by 92% at 440 …
A New Lithium-Ion Conductor Litasio5: Theoretical Prediction, Materials Synthesis, And Ionic Conductivity, Qi Wang, Jian-Fang Wu, Ziheng Lu, Francesco Ciucci, Wei Kong Pang, Xin Guo
A New Lithium-Ion Conductor Litasio5: Theoretical Prediction, Materials Synthesis, And Ionic Conductivity, Qi Wang, Jian-Fang Wu, Ziheng Lu, Francesco Ciucci, Wei Kong Pang, Xin Guo
Australian Institute for Innovative Materials - Papers
Owing to the nonleakage and incombustibility, solid electrolytes are crucial for solving the safety issues of rechargeable lithium batteries. In this work, a new class of solid electrolyte, acceptor-doped LiTaSiO5, is designed and synthesized based on the concerted migration mechanism. When Zr4+ is doped to the Ta5+ sites in LiTaSiO5, the high-energy lattice sites are partly occupied by the introduced lithium ions, and the lithium ions at those sites interact with the lithium ions placed in the low-energy sites, thereby favoring the concerted motion of lithium ions and lowering the energy barrier for ion transport. Therefore, the concerted migration of …
Electrical Properties Of Yttrium Calcium Oxyborate Crystal Annealed At High Temperature And Low Oxygen Partial Pressure, Shiwei Tian, Lili Li, Feifei Chen, Chao Jiang, Fapeng Yu, Yanlu Li, Xiulan Duan, Zhengping Wang, Shujun Zhang, Xian Zhao
Electrical Properties Of Yttrium Calcium Oxyborate Crystal Annealed At High Temperature And Low Oxygen Partial Pressure, Shiwei Tian, Lili Li, Feifei Chen, Chao Jiang, Fapeng Yu, Yanlu Li, Xiulan Duan, Zhengping Wang, Shujun Zhang, Xian Zhao
Australian Institute for Innovative Materials - Papers
The yttrium calcium oxyborate crystal (YCa 4 O(BO 3 ) 3 , YCOB) has been actively studied for high-temperature piezoelectric sensing applications. In this work, the stability of electric properties of YCOB crystal annealed in critical conditions (high-temperatures of 900-1100 °C with a low oxygen partial pressure of 4 x 10 −6 atm for 24 h) was investigated and the recovery mechanism for the electrical resisitivity, dielectric permittivity and dielectric loss were studied, taking advantage of the X-ray photoelectron spectra and the first principle calculations. The electrical resistivity of the annealed YCOB crystal was slightly decreased when compared to the …
(Bi0.51 Na0.47)Tio3 Based Lead Free Ceramics With High Energy Density And Efficiency, Yu Huang, Fei Li, Hua Hao, Fangquan Xia, Hanxing Liu, Shujun Zhang
(Bi0.51 Na0.47)Tio3 Based Lead Free Ceramics With High Energy Density And Efficiency, Yu Huang, Fei Li, Hua Hao, Fangquan Xia, Hanxing Liu, Shujun Zhang
Australian Institute for Innovative Materials - Papers
Dielectric ceramics with high energy storage density and energy efficiency play an important role in high power energy storage applications. In this work, lead free relaxor ferroelectric ceramics in (1-x)Bi 0.51 Na 0.47 TiO 3 - xBa(Zr 0.3 Ti 0.7 )O 3 (BNT-BZT100x: x = 0.20, 0.30, 0.40 and 0.50) system are fabricated by conventional solid-state sintering method. The BNT-BZT100x ceramics are sintered dense with minimal pores, exhibiting pseudocubic symmetry and strong relaxor characteristic. A high energy storage density of 3.1 J/cm 3 and high energy efficiency of 91% are simultaneously achieved in BNT-BZT40 ceramic with 0.1 mm in thickness, …
Extremely Large Non-Equilibrium Tunnel Magnetoresistance Ratio In Corhmnge Based Magnetic Tunnel Junction By Interface Modification, Yu Feng, Zhenxiang Cheng, Xiaotian Wang
Extremely Large Non-Equilibrium Tunnel Magnetoresistance Ratio In Corhmnge Based Magnetic Tunnel Junction By Interface Modification, Yu Feng, Zhenxiang Cheng, Xiaotian Wang
Australian Institute for Innovative Materials - Papers
Equiatomic quaternary Heusler compounds (EQHCs) generally have the advantages of high Curie temperature, large spin polarization and long spin diffusion length, and they are regarded as one of the most promising candidates for spintronics devices. Herein, we report a theoretical investigation on an EQHC CoRhMnGe based magnetic tunnel junction (MTJ) with (i) MnGe-terminated interface and (ii) modified pure Mn terminated interface, i.e., MnMn-terminated interface. By employing first principle calculations combined with non-equilibrium Green's function, the local density of states (LDOS), transmission coefficient, spin-polarized current, tunnel magnetoresistance (TMR) ratio and spin injection efficiency (SIE) as a function of bias voltage are …
Public Health Risks Associated With Heavy Metal And Microbial Contamination Of Drinking Water In Australia, Paul J. Molino, Richard Bentham, Michael J. Higgins, Jason Hinds, Harriet Whiley
Public Health Risks Associated With Heavy Metal And Microbial Contamination Of Drinking Water In Australia, Paul J. Molino, Richard Bentham, Michael J. Higgins, Jason Hinds, Harriet Whiley
Australian Institute for Innovative Materials - Papers
Recently in Australia concerns have been raised regarding the contamination of municipal drinking water supplies with lead. This is of particular concern to children due to the impact of lead exposure on cognitive development and as such these findings have received much media attention. The response from legislators has been swift, and The Victorian School Building Authority has announced that all new schools and school upgrade works will only use lead-free tapware and piping systems. However, while the immediate replacement of lead-containing brass fittings may seem a logical and obvious response, it does not consider the potential implications on microbial …
Lotus Rhizome-Like S/N-C With Embedded Ws2 For Superior Sodium Storage, Xiu Li, Yonggang Sun, Xun Xu, Yunxiao Wang, Shulei Chou, Anmin Cao, Libao Chen, Shi Xue Dou
Lotus Rhizome-Like S/N-C With Embedded Ws2 For Superior Sodium Storage, Xiu Li, Yonggang Sun, Xun Xu, Yunxiao Wang, Shulei Chou, Anmin Cao, Libao Chen, Shi Xue Dou
Australian Institute for Innovative Materials - Papers
Sodium-ion batteries (SIBs) hold great promise as power sources because of their low cost and decent electrochemical behavior. Nevertheless, the poor rate performance and long-term cycling capability of anode materials in SIBs still impede their practical application in smart grids and electric vehicles. Herein, we design a delicate method to embed WS2 nanosheets into lotus rhizome-like heteroatom-doped carbon nanofibers with abundant hierarchical tubes inside, forming WS2@sulfur and nitrogen-doped carbon nanofibers (WS2@S/N-C). The WS2@S/N-C nanofibers exhibit a large discharge capacity of 381 mA h g-1 at 100 mA g-1, excellent rate capacity of 108 mA h g-1 at 30 A g-1, …
Sulfur-Based Electrodes That Function Via Multielectron Reactions For Room-Temperature Sodium-Ion Storage, Yunxiao Wang, Weihong Lai, Yun-Xia Wang, Shulei Chou, Xinping Ai, Hanxi Yang, Yuliang Cao
Sulfur-Based Electrodes That Function Via Multielectron Reactions For Room-Temperature Sodium-Ion Storage, Yunxiao Wang, Weihong Lai, Yun-Xia Wang, Shulei Chou, Xinping Ai, Hanxi Yang, Yuliang Cao
Australian Institute for Innovative Materials - Papers
Emerging rechargeable sodium-ion storage systems—sodium-ion and room-temperature sodium–sulfur (RT-NaS) batteries—are gaining extensive research interest as low-cost options for large-scale energy-storage applications. Owing to their abundance, easy accessibility, and unique physical and chemical properties, sulfur-based materials, in particular metal sulfides (MSx) and elemental sulfur (S), are currently regarded as promising electrode candidates for Na-storage technologies with high capacity and excellent redox reversibility based on multielectron conversion reactions. Here, we present current understanding of Na-storage mechanisms of the S-based electrode materials. Recent progress and strategies for improving electronic conductivity and tolerating volume variations of the MSx anodes in Na-ion batteries are reviewed. …
Modeling Emergent Properties In The Brain Using Tissue Models To Investigate Neurodegenerative Disease, Alexander R. Harris, Patrick H. Mcgivern, Lezanne Ooi
Modeling Emergent Properties In The Brain Using Tissue Models To Investigate Neurodegenerative Disease, Alexander R. Harris, Patrick H. Mcgivern, Lezanne Ooi
Australian Institute for Innovative Materials - Papers
Here we describe emergent properties of the brain and the key challenges associated with modelling them in vitro. Modeling emergent properties of the brain will provide insights into brain function, development, and disease.
Layer-Structured Niobium Oxides And Their Analogues For Advanced Hybrid Capacitors, Jiaqin Liao, Wei Ni, Caiyun Wang, Jianmin Ma
Layer-Structured Niobium Oxides And Their Analogues For Advanced Hybrid Capacitors, Jiaqin Liao, Wei Ni, Caiyun Wang, Jianmin Ma
Australian Institute for Innovative Materials - Papers
© 2019 Elsevier B.V. Niobium-based oxides including niobium oxide (Nb2O5) and their analogues with quasi-2D network of open and stable Wadsley-Roth shear crystal structure, have gained great interest for advanced hybrid supercapacitors due to their outstanding rate capability derived from the intercalation pseudocapacitive kinetics. To realize their full potential as battery-type anode electrodes for supercapacitor, various strategies have been effectively implemented to overcome the drawbacks especially the poor intrinsic electrical conductivity, including structure design, surface modification, conductivity enhancement, and electrode engineering. Here, we provide a comprehensive overview of the latest progress of Nb-based oxides for high-rate hybrid supercapacitors in the …
Functionalizing Graphene With Titanate Coupling Agents As Reinforcement For One-Component Waterborne Poly(Urethane-Acrylate) Anticorrosion Coatings, Haihua Wang, Yu He, Guiqiang Fei, Caiyun Wang, Yiding Shen, Ke Zhu, Liyu Sun, Nana Rang, Danhui Guo, Gordon G. Wallace
Functionalizing Graphene With Titanate Coupling Agents As Reinforcement For One-Component Waterborne Poly(Urethane-Acrylate) Anticorrosion Coatings, Haihua Wang, Yu He, Guiqiang Fei, Caiyun Wang, Yiding Shen, Ke Zhu, Liyu Sun, Nana Rang, Danhui Guo, Gordon G. Wallace
Australian Institute for Innovative Materials - Papers
Achieving a uniform dispersion of reduced graphene oxide (RGO) nanosheets in waterborne polymer matrix remains a challenge. Here, we significantly improved the dispersion stability of RGO in a polymer matrix through functionalizing RGO with titanate coupling agent of different dendritic structure. Titanate coupling agents of two branched dioctylpyrophosphate (T2) and three branched dioctylpyrophosphate (T3) were used. Rather than simply blending graphene with polymer matrix, functionalized graphene (T2-RGO or T3-RGO) was introduced into the reaction system with monomers to participate in the polymerization; resulting in improved compatibility and interaction between the graphene and polymer, especially for T3-RGO. One-component waterborne poly (urethane-acrylate) …
Smart Graphene-Cellulose Paper For 2d Or 3d "Origami-Inspired" Human Stem Cell Support And Differentiation, Jianfeng Li, Xiao Liu, Eva Tomaskovic-Crook, Jeremy Micah Crook, Gordon G. Wallace
Smart Graphene-Cellulose Paper For 2d Or 3d "Origami-Inspired" Human Stem Cell Support And Differentiation, Jianfeng Li, Xiao Liu, Eva Tomaskovic-Crook, Jeremy Micah Crook, Gordon G. Wallace
Australian Institute for Innovative Materials - Papers
Graphene-based materials represent advanced platforms for tissue engineering and implantable medical devices. From a clinical standpoint, it is essential that these materials are produced using non-toxic and non-hazardous methods, and have predictable properties and reliable performance under variable physiological conditions; especially when used with a cellular component. Here we describe such a biomaterial, namely smart graphene-cellulose (G-C) paper, and its suitability for traditional planar two-dimensional (2D) or three-dimensional (3D) human cell support, verified by adipose-derived stem cell (ADSC) culture and osteogenic differentiation. G-C paper is prepared using commercially available cellulose tissue paper as a substrate that is coated by immersion-deposition …
Nitrogen/Sulfur Dual-Doping Of Reduced Graphene Oxide Harvesting Hollow Znsns3 Nano-Microcubes With Superior Sodium Storage, Xiaojing Liu, Youchen Hao, Jie Shu, Hirbod Maleki Kheimeh Sari, Liangxu Lin, Huari Kou, Jianwei Li, Wen Liu, Bo Yan, Dejun Li, Jiujun Zhang, Xifei Li
Nitrogen/Sulfur Dual-Doping Of Reduced Graphene Oxide Harvesting Hollow Znsns3 Nano-Microcubes With Superior Sodium Storage, Xiaojing Liu, Youchen Hao, Jie Shu, Hirbod Maleki Kheimeh Sari, Liangxu Lin, Huari Kou, Jianwei Li, Wen Liu, Bo Yan, Dejun Li, Jiujun Zhang, Xifei Li
Australian Institute for Innovative Materials - Papers
Bimetallic sulfides have exhibited promising applications in advanced sodium-ion batteries (SIBs) due to their relatively high electronic conductivity and electrochemical activity. In this study, for the first time, the N/S dual-doped reduced graphene oxide (rGO) encapsulating hollow ZnSnS3 nano-microcubes (N/S-rGO@ZnSnS3) is designed to improve the sluggish reaction kinetics, poor cycling stability and unsatisfactory rate capability of metal sulfides. To examine this design, the cycling stability and rate capability of the desired anode material is studied in detail. It is found that N/S-rGO@ZnSnS3 hybrid delivers a high discharge capacity of 501.7 mAh g−1 after 100 cycles at 0.1 A g−1, and …
Defect-Induced Pt-Co-Se Coordinated Sites With Highly Asymmetrical Electronic Distribution For Boosting Oxygen-Involving Electrocatalysis, Linzhou Zhuang, Yi Jia, Hongli Liu, Xin Wang, Rosalie K. Hocking, Hongwei Liu, Jun Chen, Lei Ge, Longzhou Zhang, Mengran Li, Chung-Li Dong, Yu-Cheng Huang, Shaohua Shen, Dongjiang Yang, Zhonghua Zhu, Xiangdong Yao
Defect-Induced Pt-Co-Se Coordinated Sites With Highly Asymmetrical Electronic Distribution For Boosting Oxygen-Involving Electrocatalysis, Linzhou Zhuang, Yi Jia, Hongli Liu, Xin Wang, Rosalie K. Hocking, Hongwei Liu, Jun Chen, Lei Ge, Longzhou Zhang, Mengran Li, Chung-Li Dong, Yu-Cheng Huang, Shaohua Shen, Dongjiang Yang, Zhonghua Zhu, Xiangdong Yao
Australian Institute for Innovative Materials - Papers
Rational design and synthesis of hetero-coordinated moieties at the atomic scale can significantly raise the performance of the catalyst and obtain mechanistic insight into the oxygen-involving electrocatalysis. Here, a facile plasma-photochemical strategy is applied to construct atomically coordinated Pt-Co-Se moieties in defective CoSe2 (CoSe2−x) through filling the plasma-created Se vacancies in CoSe2−x with single Pt atomic species (CoSe2−x-Pt) under ultraviolet irradiation. The filling of single Pt can remarkably enhance the oxygen evolution reaction (OER) activity of CoSe2. Optimal OER specific activity is achieved with a Pt content of 2.25 wt% in CoSe2−x-Pt, exceeding that of CoSe2−x by a factor of …
Moss-Derived Mesoporous Carbon As Bi-Functional Electrode Materials For Lithium-Sulfur Batteries And Supercapacitors, Wen Lei, Haipeng Liu, Junlei Xiao, Yang Wang, Liangxu Lin
Moss-Derived Mesoporous Carbon As Bi-Functional Electrode Materials For Lithium-Sulfur Batteries And Supercapacitors, Wen Lei, Haipeng Liu, Junlei Xiao, Yang Wang, Liangxu Lin
Australian Institute for Innovative Materials - Papers
In this work, we reported a moss-derived biomass porous carbon (MPC) as a bi-functional electrode material for both the lithium-sulfur battery and the supercapacitor. The MPC was prepared from a high-temperature calcination procedure using the moss as the carbonaceous precursor. Using NaOH, the MPC was activated to give a mesoporous structure with a high specific surface area (1057.1 m2 g−1) and large pore volume (0.72 cm3 g−1). When it was used as the cathode material in lithium-sulfur batteries, the MPC material realized a sulfur loading and exhibited a remarkably improved electrochemical performance, i.e., a high discharge capacity of 1070 mAh …
Three-Dimensional Porous Cobalt Phosphide Nanocubes Encapsulated In A Graphene Aerogel As An Advanced Anode With High Coulombic Efficiency For High-Energy Lithium-Ion Batteries, Hong Gao, Fuhua Yang, Yang Zheng, Qing Zhang, Junnan Hao, Shilin Zhang, Hao Zheng, Jun Chen, Hua-Kun Liu, Zaiping Guo
Three-Dimensional Porous Cobalt Phosphide Nanocubes Encapsulated In A Graphene Aerogel As An Advanced Anode With High Coulombic Efficiency For High-Energy Lithium-Ion Batteries, Hong Gao, Fuhua Yang, Yang Zheng, Qing Zhang, Junnan Hao, Shilin Zhang, Hao Zheng, Jun Chen, Hua-Kun Liu, Zaiping Guo
Australian Institute for Innovative Materials - Papers
An ingeniously designed porous structure can synergistically optimize the desired properties and maximize the advantages of a material as an electrode for a high-performance energy storage system. The active material with a porous nanostructure could reduce the ion diffusion path and buffer the strain caused by the volume changes during cycling. Furthermore, combining the active material with a three-dimensional (3D) graphene aerogel (GA) matrix is an ideal way to maintain the structural integrity, improve the conductivity, and overcome the aggregation problem of the nanomaterials. Herein, we adopted a facile template-based strategy to derive a composite of 3D hierarchically porous cobalt …
Body Heat Powers Future Electronic Skins, Ruoming Tian, Yuqing Liu, Kunihito Koumoto, Jun Chen
Body Heat Powers Future Electronic Skins, Ruoming Tian, Yuqing Liu, Kunihito Koumoto, Jun Chen
Australian Institute for Innovative Materials - Papers
© 2019 Elsevier Inc. Ruoming Tian recently joined the Mark Wainwright Analytical Centre as an XRD research assistant at the University of New South Wales. She was formerly a Research Scientist at the Toyota Physical and Chemical Research Institute in Japan (2015–2018) and received her PhD from the University of New South Wales in 2014. Her research interests focus on the nano- and micro-materials, flexible hybrid materials, and smart devices for harvesting both high- and low-grade thermal energy. She has published 2 book chapters and 18 peer-reviewed articles and delivered more than 15 talks at international conferences and leading research …