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Properties of a new type Al/Pb-0.3%Ag alloy composite anode for zinc electrowinning

International Journal of Minerals,Metallurgy and Materials 2013年第10期20卷 986-993页

作者： Hai-tao Yang Huan-rong Liu Yong-chun Zhang Bu-ming Chen Zhong-cheng Guo Rui-dong Xu Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology Faculty of Land Resource Engineering Kunming University of Science and Technology Kunming Hendera Science and Technology Co.Ltd. State Key Laboratory Breeding Base of Complex Nonferrous Metal Resources Cleaning Utilization

An A1/Pb-0.3%Ag alloy composite anode was produced via composite casting. Its electrocatalytic activity for the oxygen evolution reaction and corrosion resistance was evaluated by anodic polarization curves and accelerated corro- sion test, respectively. The microscopic morphologies of the anode section and anodic oxidation layer during accelerated corrosion test were obtained by scanning electron microscopy. It is found that the composite anode （hard anodizing） dis- plays a more compact interracial combination and a better adhesive strength than plating tin. Compared with industrial Pb-0.3%Ag anodes, the oxygen evolution overpotentials of A1/Pb-0.3%Ag alloy （hard anodizing） and A1/Pb-0.3%Ag alloy （plating tin） at 500 A.m-2 were lower by 57 and 14 mV, respectively. Furthermore, the corrosion rates of Pb-0.3%Ag alloy, A1/Pb-0.3%Ag alloy （hard anodizing）, and A1/Pb-0.3%Ag alloy （plating tin） were 13.977, 9.487, and 11.824 g.m-2.h-1, respectively, in accelerated corrosion test for 8 h at 2000 A-m-2. The anodic oxidation layer of A1/Pb-0.3%Ag alloy （hard anodizing） is more compact than Pb-0.3%Ag alloy and A1/Pb-0.3%Ag alloy （plating tin） after the test.

关键词： composite anodes corrosion resistance oxygen evolution reaction electrocatalytic activity zinc electrowin-ning

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Review on lithium metal anodes towards high energy density batteries

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Green Energy & Environment 2023年第6期8卷 1509-1530页

作者： Jun-Fan Ding Yu-Tong Zhang Rui Xu Rui Zhang Ye Xiao Shuo Zhang Chen-Xi Bi Cheng Tang Rong Xiang Ho Seok Park Qiang Zhang Jia-Qi Huang School of Materials Science and Engineering Beijing Institute of TechnologyBeijing100081China Advanced Research Institute of Multidisciplinary Science Beijing Institute of TechnologyBeijing100081China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA5005 Australia Department of Mechanical Engineering The University of TokyoTokyo113-8656Japan State Key Laboratory of Fluid Power and Mechatronic Systems School of Mechanical EngineeringZhejiang UniversityHangzhou310027China School of Chemical Engineering Sungkyunkwan UniversitySuwon440-746Republic of Korea Department of Chemical Engineering Tsinghua UniversityBeijing100084China

Lithium metal anode(LMA) is a promising candidate for achieving next-generation high-energy-density batteries due to its ultrahigh theoretical capacity and most negative electrochemical potential. However, the practical application of lithium metal battery(LMB) is largely retarded by the instable interfaces, uncontrolled dendrites, and rapid capacity deterioration. Herein, we present a comprehensive overview towards the working principles and inherent challenges of LMAs. Firstly, we diligently summarize the intrinsic mechanism of Li stripping and plating process. The recent advances in atomic and mesoscale simulations which are crucial in guiding mechanism study and material design are also summarized. Furthermore, the advanced engineering strategies which have been proved effective in protecting LMAs are systematically reviewed, including electrolyte optimization, artificial interface, composite/alloy anodes and so on. Finally, we highlight the current limitations and promising research directions of LMAs. This review sheds new lights on deeply understanding the intrinsic mechanism of LMAs, and calls for more endeavors to realize practical Li metal batteries.

关键词： Lithium metal anode Solid electrolyte interphase Advanced electrolytes Artificial interface composite anodes Theoretical simulations

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