|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Pores for thought:generative adversarial networks for stochastic reconstruction of 3D multi-phase electrode microstructures with periodic boundaries显示文摘The generation of multiphase porous electrode microstructures is a critical step in the optimisation of electrochemical energy storage devices.This work implements a deep convolutional generative adversarial network(DC-GAN)for generating realistic nphase microstructural data.The same network architecture is successfully applied to two very different three-phase microstructures:A lithium-ion battery cathode and a solid oxide fuel cell anode.A comparison between the real and synthetic data is performed in terms of the morphological properties(volume fraction,specific surface area,triple-phase boundary)and transport properties(relative diffusivity),as well as the two-point correlation function.The results show excellent agreement between datasets and they are also visually indistinguishable.By modifying the input to the generator,we show that it is possible to generate microstructure with periodic boundaries in all three directions.This has the potential to significantly reduce the simulated volume required to be considered“representative”and therefore massively reduce the computational cost of the electrochemical simulations necessary to predict the performance of a particular microstructure during optimisation. | Andrea Gayon-Lombardo Lukas Mosser Nigel P.Brandon Samuel J.Cooper | 2020 | npj Computational Materials2020，，1： | 2 |
| 2 | Highly Aligned Ultra-Thick Gel-Based Cathodes Unlocking Ultra-High Energy Density Batteries显示文摘Increasing electrode thickness can substantially enhance the specific energy of lithium-ion batteries;however,ionic transport,electronic conductivity,and ink rheology are current barriers to adoption.Here,a novel approach using a mixed xanthan gum and locust bean gum binder to construct ultrathick electrodes is proposed to address above issues.After combining aqueous binder with single-walled carbon nanotubes(SWCNT),active material(LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)) and subsequent vacuum freeze-drying,highly aligned,and low-tortuosity structures with a porosity of ca.50%can be achieved with an average pore size of 10μm,whereby the gum binder-SWCNT-NMC811 forms vertical structures supported by tissue-like binder/SWCNT networks allowing for excellent electronic conducting phase percolation.As a result,ultra-thick electrodes with a mass loading of about 511 mg cm^(−2) and 99.5 wt%active materials have been demonstrated with a remarkable areal capacity of 79.3 mAh cm^(−2),which is the highest value reported so far.This represents a>25×improvement compared with conventional electrodes with an areal capacity of about 3 mAh cm^(−2).This route also can be expanded to other electrode materials,such as LiFePO_(4) and Li_(4)Ti_(5)O_(12),and thus opens the possibility for low-cost and sustainable ultra-thick electrodes with increased specific energy for future lithium-ion batteries. | Shichun Yang Chaochao Zhou Qiong Wang Binbin Chen Yan Zhao Bin Guo Zhengjie Zhang Xinlei Gao Ridwanur Chowdhury Huizhi Wang Chao Lai Nigel P.Brandon Billy Wu Xinhua Liu | 2022 | Energy & Environmental Materials2022，5，4： | 0 |
| 3 | Hydrogen for a Net-Zero Carbon World显示文摘1.Why hydrogen?The concept of the“hydrogen economy”was first coined by Prof.John Bockris during a talk he gave in 1970 at the General Motors Technical Center.Bockris’s talk introduced the vision of a world economy in which energy was carried in the form of hydrogen. | Nigel P.Brandon James J.Brandon | 2023 | Engineering2023，，10： | 0 |
| 4 | Recent advances and influencing parameters in developing electrode materials for symmetrical solid oxide fuel cells显示文摘This article delivers a robust overview of potential electrode materials for use in symmetrical solid oxide fuel cells(S-SOFCs),a relatively new SOFC technology.To this end,this article provides a comprehensive review of recent advances and progress in electrode materials for S-SOFC,discussing both the selection of materials and the challenges that come with making that choice.This article discussed the relevant factors involved in developing electrodes with nano/microstructure.Nanocomposites,e.g.,non-cobalt and lithiated materials,are only a few of the electrode types now being researched.Furthermore,the phase structure and microstructure of the produced materials are heavily influenced by the synthesis procedure.Insights into the possibilities and difficulties of the material are discussed.To achieve the desired microstructural features,this article focuses on a synthesis technique that is either the most recent or a better iteration of an existing process.The portion of this analysis that addresses the risks associated with manufacturing and the challenges posed by materials when fabricating S-SOFCs is the most critical.This article also provides important and useful recommendations for the strategic design of electrode materials researchers. | Wan Nor Anasuhah Wan Yusoff Nurul Akidah Baharuddin Mahendra Rao Somalu Andanastuti Muchtar Nigel P.Brandon Huiqing Fan | 2023 | International Journal of Minerals,Metallurgy and Materials2023，30，10： | 0 |
| 5 | Model-guided design of a high performance and durability Ni nanofiber/ceria matrix solid oxide fuel cell electrode显示文摘Mixed ionic electronic conductors(MIECs)have attracted increasing attention as anode materials for solid oxide fuel cells(SOFCs)and they hold great promise for lowering the operation temperature of SOFCs.However,there has been a lack of understanding of the performance-limiting factors and guidelines for rational design of composite metal-MIEC electrodes.Using a newly-developed approach based on 3 D-tomography and electrochemical impedance spectroscopy,here for the first time we quantify the contribution of the dual-phase boundary(DPB)relative to the three-phase boundary(TPB)reaction pathway on real MIEC electrodes.A new design strategy is developed for Ni/gadolinium doped ceria(CGO)electrodes(a typical MIEC electrode)based on the quantitative analyses and a novel Ni/CGO fiber-matrix structure is proposed and fabricated by combining electrospinning and tape-casting methods using commercial powders.With only 11.5 vol%nickel,the designer Ni/CGO fiber-matrix electrode shows 32%and 67%lower polarization resistance than a nano-Ni impregnated CGO scaffold electrode and conventional cermet electrode respectively.The results in this paper demonstrate quantitatively using real electrode structures that enhancing DPB and hydrogen kinetics are more efficient strategies to enhance electrode performance than simply increasing TPB. | Mengzheng Ouyang Antonio Bertei Samuel J.Cooper Yufei Wu Paul Boldrin Xinhua Liu Masashi Kishimoto Huizhi Wang Max Naylor Marlow Jingyi Chen Xiaolong Chen Yuhua Xia Billy Wu Nigel P.Brandon | 2021 | Journal of Energy Chemistry2021，30，5： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员