Aqueous metal-air batteries: Fundamentals and applications

Liu, Qianfeng; Pan, Zhefei; Wang, Erdong; An, Liang; Sun, Gongquan

doi:10.1016/j.ensm.2019.12.011

Cited by 261 publications

(189 citation statements)

References 420 publications

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“…Metal-air batteries have attracted much attention due to their low price and high theoretical energy density. [11,[123][124][125][126][127] The metal-air batteries currently studied mainly include: zinc-air batteries (Zn-air battery), lithium-air batteries (LiÀ O 2 /air), magnesium-air batteries and aluminum-air batteries. Zn-air batteries have attracted wide attention due to high safety and high theoretical energy density (1086 Wh kg À 1 ), and are considered to be the battery devices closest to commercial applications.…”

Section: Metal-air Batterymentioning

confidence: 99%

“…Battery energy storage technology has become an important choice for energy storage systems. Metal‐air batteries have attracted much attention due to their low price and high theoretical energy density [11,123–127] . The metal‐air batteries currently studied mainly include: zinc‐air batteries (Zn‐air battery), lithium‐air batteries (Li−O 2 /air), magnesium‐air batteries and aluminum‐air batteries.…”

Section: Energy Storage Devicementioning

confidence: 99%

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Recent Progress on Defect‐rich Transition Metal Oxides and Their Energy‐Related Applications

Wang

Liang

Zheng

et al. 2020

Chemistry An Asian Journal

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The applications of many energy-related electrochemical energy conversion and storage devices are changing with each passing day. Oxygen evolution reaction (OER), hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) are the key steps in the commercial application of these energy conversion/storage equipment. Defect-rich transition metal oxides (TMOs), such as Co, Mn, Fe, Ni, etc., have always been one of the most promising electrocatalysts, which are cheap, easy to obtain, high in catalytic activity and stable during electrocatalysis. In this review, we first introduce the definition, classification, characteristics, and construction of defects. Then, the latest developments of defect-rich TMO electrocatalysts in electro-catalysis and energy conversion storage device is summarized. Furthermore, the relationship between defects and activity and the potential mechanism are also discussed. The defects in defect-rich TMOs can adjust the surface/interface electronic structure of the electrocatalyst, change the adsorption energy of the intermediate product, or increase the intrinsic catalytic activity of active sites, which are beneficial for enhanced catalytic performance. Finally, the current challenges and prospects of defect-rich TMO electrocatalysts are proposed. Therefore, the introduction of defects in TMO will be a potential strategy for the rational design of high-performance electrocatalysts in the future.

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Section: Metal-air Batterymentioning

confidence: 99%

Section: Energy Storage Devicementioning

confidence: 99%

Recent Progress on Defect‐rich Transition Metal Oxides and Their Energy‐Related Applications

Wang

Liang

Zheng

et al. 2020

Chemistry An Asian Journal

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“…For potentials with values lower than E cor , the tested electrodes show resistance to corrosion. With potential values above E cor , the oxidation process begins according to Equation (5). On all the anodic polarization curves, a narrow passive range exists in which the oxide layers exhibit protective properties.…”

Section: Anodic Polarization Curvesmentioning

confidence: 99%

“…Metal-air batteries (MABs) are of great interest due to their high theoretical energy density and because they can be used in stationary, mobile, and electronic applications [ 1 , 2 , 3 , 4 , 5 , 6 , 7 ]. In the group of non-aqueous MABs, we can distinguish Li-air battery with the highest theoretical energy density, Na-air, and K-air batteries [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Corrosion Resistance of the CpTi G2 Cellular Lattice with TPMS Architecture for Gas Diffusion Electrodes

et al. 2020

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The corrosion of materials used in the design of metal-air batteries may shorten their cycle life. Therefore, metal-based materials with enhanced electrochemical stability have attracted much attention. The purpose of this work was to determine the corrosion resistance of commercially pure titanium Grade 2 (CpTi G2) cellular lattice with the triply periodic minimal surfaces (TPMS) architecture of G80, D80, I-2Y80 in 0.1 M KOH solution saturated with oxygen at 25 °C. To produce CpTi G2 cellular lattices, selective laser melting technology was used which allowed us to obtain 3D cellular lattice structures with a controlled total porosity of 80%. For comparison, the bulk electrode was also investigated. SEM examination and statistical analysis of the surface topography maps of the CpTi G2 cellular lattices with the TPMS architecture revealed much more complex surface morphology compared to the bulk CpTi SLM. Corrosion resistance tests of the obtained materials were conducted using open circuit potential method, Tafel curves, anodic polarization curves, and electrochemical impedance spectroscopy. The highest corrosion resistance and the lowest material consumption per year were revealed for the CpTi G2 cellular lattice with TPMS architecture of G80, which can be proposed as promising material with increased corrosion resistance for gas diffusion in alkaline metal-air batteries.

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“…[ 33,34 ] For aqueous metal air battery, the metal anode can be mainly Zn, Mg, Al, and Fe metal electrode due to sharp reaction of other metals in water, and only Zn‐air and Fe‐air batteries with fine anode stability exhibit a decent electric rechargeability in aqueous electrolyte, while the other batteries possess irrechargeable feature because these ions are unable to be returned back to metals in aqueous electrolyte directly. [ 35 ]…”

Section: Introductionmentioning

confidence: 99%

Intrinsic Structure Modification of Electrode Materials for Aqueous Metal‐Ion and Metal‐Air Batteries

Ling

Wang

Chen

et al. 2020

Adv Funct Materials

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In consideration of low cost, simple operation, safe reliability, and environmental benignity, aqueous rechargeable batteries (ARBs) have attracted great interest among portable electronic devices, energy storage, and power source batteries. As the key components of ARBs, the electrode materials lead to a crucial effect for the overall battery properties, such as working voltage, electrocatalytic activity, capacity, and cycling stability. However, owing to the highly reactive aqueous environment, the electrode materials typically demonstrate a series of issues, including active material dissolution, structural instability, and poor catalytic activity, restricting their application. So far, several researchers have devoted much effort to improve the properties of electrode materials for ARBs. In particular, intrinsic structure modification in terms of vacancy regulation, interlayer engineering, and element doping have been applied to optimize the electronic and phase structure of electrode materials, contributing to elevated ion diffusion, fast charge transfer, and adequate active sites for electrochemical reaction. In this review, recent reports are demonstrated about the intrinsic structure modification of electrode materials in aqueous metal‐ion and metal‐air batteries, focusing on various regulation strategies and functional mechanisms. Finally, a brief conclusion and perspective is presented to demonstrate constructive suggestions and opinions for further research.

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Aqueous metal-air batteries: Fundamentals and applications

Cited by 261 publications

References 420 publications

Recent Progress on Defect‐rich Transition Metal Oxides and Their Energy‐Related Applications

Recent Progress on Defect‐rich Transition Metal Oxides and Their Energy‐Related Applications

Corrosion Resistance of the CpTi G2 Cellular Lattice with TPMS Architecture for Gas Diffusion Electrodes

Intrinsic Structure Modification of Electrode Materials for Aqueous Metal‐Ion and Metal‐Air Batteries

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