Effects of external field treatment on the electrochemical behaviors and discharge performance of AZ80 anodes for Mg-air batteries

Chen, Xingrui; Ning, Shaochen; Le, Qichi; Wang, Henan; Zou, Qi; Guo, Ruizhen; Hou, Jian; Jia, Yonghui; Atrens, Andrej; Yu, Faquan

doi:10.1016/j.jmst.2019.07.043

Cited by 69 publications

(22 citation statements)

References 34 publications

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“…The discharge capacity and anodic efficiency of the 400°C‐annealed alloy as anodes at 20 mA/cm 2 are 2,514.23 mAh/g and 84.37%, respectively, which are higher than that of magnesium anodes (Table 4). [ 33–36 ] According to the above analysis, the 400°C‐annealed alloy is suitable as an anode material for the seawater‐activated battery.…”

Section: Resultsmentioning

confidence: 99%

Effect of microstructure on discharge performance of Al–0.8Sn–0.05Ga–0.9Mg–1.0Zn (wt%) alloy as anode for seawater‐activated battery

Zhang

Zou

et al. 2020

Materials & Corrosion

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The electrochemical performance and discharge behavior of Al-0.8Sn-0.05Ga-0.9Mg-1.0Zn (wt%) alloys in as-cast, homogenized, and annealed states were investigated through electrochemical means, corrosion rate test, and discharge test in a 3.5 wt% NaCl solution. Results suggest that the discharge performance of this alloy is enhanced by rolling and subsequent annealing treatment. This is attributed to the fact that the microstructure of the alloy is greatly improved through rolling and subsequent annealing treatment. The 400°C-annealed alloy exhibits the most excellent discharge activity than alloys in other states, which is due to more regions being activated by a finer and more uniform Sn-rich phase. Furthermore, the anode efficiency of the 400°C-annealed alloy is higher than that of as-cast and homogeneous alloys due to the more uniform distribution of Sn in the aluminum matrix.

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Section: Resultsmentioning

confidence: 99%

Effect of microstructure on discharge performance of Al–0.8Sn–0.05Ga–0.9Mg–1.0Zn (wt%) alloy as anode for seawater‐activated battery

Zhang

Zou

et al. 2020

Materials & Corrosion

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“…Current aqueous metal‐air fuel cell design. A, Laboratory application, B, commercial application with separator, and C, application without separator 34,35 [Colour figure can be viewed at wileyonlinelibrary.com]…”

Section: Metal‐air Fuel Cell Designmentioning

confidence: 99%

Critical review on development of magnesium alloy as anode inMg‐Airfuel cell and additives in electrolyte

et al. 2021

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Summary This study aimed to provide a critical review of the magnesium‐air fuel cell (MAFC) system to provide readers with an overall comprehension of MAFC, which focuses on the modification of the magnesium anode and properties of saltwater as an electrolyte. Although MAFC is benign to the environment, it is well‐known for its challenging corrosion issue and by‐product deposition that affect its durability for commercialization and long‐term application. Since that MAFC is able to use seawater as electrolyte, it has great potential to be used as an alternative energy option for the marine sector. This journal will dissect the ability of MAFC to be used as a competitive alternative energy. Over the years, researchers have adopted several approaches, such as experimenting with different types of magnesium alloy and anode fabrication techniques, to tackle corrosion problems to alter the microstructure and mechanical properties of the anode in addition to applying a coating protection and using Mg‐based composite material. Furthermore, studies intriguingly and gradually focused on electrolyte formulation with different types of additives to address the debilitating precipitation issue and improve the discharge performance. Given the problems that arise in the system, currently, MAFC commercial products are only suitable as emergency back‐up power. In future work, an improved storage system for MAFC should be built to accommodate the precipitation products while maintaining the desired cell performance.

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“…% NaCl solution worked as the electrolyte. These three parts built a self-designed Mg-air battery [8]. The selected current densities were 2.5, 5, 10, 20, 40 mA cmproduction using the chromic acid solution containing 180 g/l CrO 3 .…”

Section: Mg-air Battery Testsmentioning

confidence: 99%

“…Metal-air batteries such as magnesium-air, zinc-air, and lithium-air batteries have caught the increasing attention for electrochemical energy storage and conversion devices [1][2][3][4][5]. They are promising power suppliers especially for emergency rescue electric vehicles [6][7][8]. Generally, a Mg-air battery contains magnesium slices as the anode, the electrolyte (NaCl solution), and the honeycomb-like slice with catalyst as the air cathode [9,10].…”

Section: Introductionmentioning

confidence: 99%

“…Hot extrusion is also employed to achieve good performance of Mg-air battery [17]. A work by Chen et al indicated that the external field treatment particularly ultrasonic melt treatment [18,19] helped improve discharge performance of Mg anode as well [8]. These deformation processes have the ability to change the phase morphology and distribution as well as grain size [20], but they have no influence on chemical composition and phase-type of alloy.…”

Section: Introductionmentioning

confidence: 99%

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The role of long‐period stacking ordered phase on the discharge and electrochemical behaviors of magnesium anode Mg‐Zn‐Y for the primary Mg‐air battery

Chen

Wang

et al. 2020

Int J Energy Res

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This work investigated and discussed the role of long-period stacking ordered (LPSO) phase on discharge performance and electrochemical behaviors of Mg-Zn-Y anode for Mg-air battery in detail. The volume fraction of LPSO phase increases with the increasing Y and Zn content. Compared with Mg-2Zn anode, Mg-Zn-Y anode with low content of LPSO phase has better discharge properties due to high open circuit potential and low corrosion rate. However, anodes contained a high volume of LPSO phase exhibit poor corrosion resistance and discharge properties. The ZW12 alloy shows the best discharge capacity and anodic efficiency as high as 1612.9 mAh•g -1 and 74.49% at the 40 mA•cm -2 . It also outputs a high peak specific energy 1859.15 mWh•g -1 at 10 mA cm -2 , which is 37.56 % higher than Mg-2Zn anode and 249.44 % higher This article is protected by copyright. All rights reserved. This is the author manuscript accepted for publication and has undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/er.5595 2 than ZW39 anode. The LPSO phase totally changes the decomposition process of Mg matrix, displaying the lamellar peeling surface in LPSO-affect zone. This lamellar peeling mode can help to take away the discharge products from the anodic surface, improving the anode performance. it has been considered as a promising primary battery [13,14]. In addition, the Mg is abundant on earth with low weight and toxicity, which makes the low fabricating cost of .Since the magnesium or magnesium alloy acts as the anode during the discharge process, its chemical composition and microstructure directly affect the performance of Mg-air battery. In recent decades, researchers are trying to develop decent magnesium anode candidates to promote the discharge performance of Mg-air batteries. For instance, Wang et al. reported that the as-rolled AP65 alloy has better

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Effects of external field treatment on the electrochemical behaviors and discharge performance of AZ80 anodes for Mg-air batteries

Cited by 69 publications

References 34 publications

Effect of microstructure on discharge performance of Al–0.8Sn–0.05Ga–0.9Mg–1.0Zn (wt%) alloy as anode for seawater‐activated battery

Effect of microstructure on discharge performance of Al–0.8Sn–0.05Ga–0.9Mg–1.0Zn (wt%) alloy as anode for seawater‐activated battery

Critical review on development of magnesium alloy as anode inMg‐Airfuel cell and additives in electrolyte

The role of long‐period stacking ordered phase on the discharge and electrochemical behaviors of magnesium anode Mg‐Zn‐Y for the primary Mg‐air battery

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