Suppression of byproduct accumulation in rechargeable aluminum–air batteries using non-oxide ceramic materials as air cathode materials

Mori, Ryohei

doi:10.1039/c7se00087a

Cited by 15 publications

(13 citation statements)

References 36 publications

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“…This agrees with our previous study in which TiN was applied as an air cathode material and butyl methyl imidazolium chloride was used as an ionic-liquid electrolyte. 27 It is interesting to note that when a deep eutectic solvent was used as an electrolyte, similar results were also obtained. As far as we know, this study conrms for the rst time that byproducts are not observed on either the Al anode nor the air cathode when a deep-eutectic solvent-based electrolyte is used in place of an ionic-liquidbased electrolyte.…”

Section: Resultssupporting

confidence: 57%

“…This phenomenon is similar to what was shown in previous studies in which Al deposition was possible at room temperature when an ionic-liquid-based electrolyte was used instead of an aqueous electrolyte. [26][27][28] In addition, when TiN was used as an air cathode, the byproducts of the aluminum-air battery, such as Al(OH) 3 and Al 2 O 3 , were not observed ( Fig. 4(b)).…”

Section: Resultsmentioning

confidence: 99%

“…We believe that carbon existed as a carboxy group and not as a carbonate group, thereby suppressing the formation of Al(OH) 3 and Al 2 O 3 . 27 However, a detailed mechanism study of the TiC air cathode in our aluminum-air battery remains to be further investigated. Fig.…”

Section: Resultsmentioning

confidence: 99%

“…In particular, when an ionic liquid-based electrolyte was used, the aluminum-air battery began to demonstrate rechargeable battery behavior. [23][24][25][26][27][28][29] An ionic analog electrolyte based on AlCl 3 and urea has been developed as a deep-eutectic-based electrolyte, and it has been found to exhibit rechargeable behavior and a cost advantage over ionic liquid-based electrolytes. 30,31 However, when one considers creating an aluminum-air battery for practical use, a solid-state battery is desirable because of its toughness and ease of manufacturing, which may also result in a low-cost battery.…”

Section: Introductionmentioning

confidence: 99%

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All solid state rechargeable aluminum–air battery with deep eutectic solvent based electrolyte and suppression of byproducts formation

Mori

2019

RSC Adv.

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Section: Resultssupporting

confidence: 57%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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All solid state rechargeable aluminum–air battery with deep eutectic solvent based electrolyte and suppression of byproducts formation

Mori

2019

RSC Adv.

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“…Rechargeable Al−O 2 batteries are further studied using the same ionic liquids (EMImCl) [38–40] and other ionic‐liquid‐analogues (AlCl 3 in acetamide and AlCl 3 in urea) [41] . Stable cycling profiles (Figure 4d) and film‐like discharge product morphology (Figure 4e) were reported on a TiC cathode [39] . XRD revealed the formation of Al 2 O 3 and Al(OH) 3 phases (Figure 4c) on the cycled carbon cathode, [38] which could be the product of ORR.…”

Section: Current Status Of Mechanistic Understandingmentioning

confidence: 92%

Mechanistic Understanding of Oxygen Electrodes in Rechargeable Multivalent Metal‐Oxygen Batteries

Liang

2021

Batteries & Supercaps

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Rechargeable multivalent metal‐O2 batteries (Mg−O2, Zn−O2 and Al−O2 etc.) are promising next‐generation battery technologies for electric automobiles and large‐scale energy storage owing to their high energy density, low cost, and sustainability. To realize the full potentials of these systems, an in‐depth mechanistic understanding of the underlying chemistries is crucial for rational development. However, compared with the intensively studied Li−O2 batteries, reaction mechanisms of multivalent metal‐O2 batteries are much less understood. Here, we discuss the current status of mechanistic understanding of oxygen reduction and evolution reactions in rechargeable multivalent metal‐O2 batteries. We discuss the key open questions and future research directions of multivalent metal‐O2 batteries using examples and experiences from Li−O2 batteries, which could guide and inspire the development of multivalent metal‐O2 batteries.

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Challenges and Strategies of Low‐Cost Aluminum Anodes for High‐Performance Al‐Based Batteries

Jiang

Meng

et al. 2021

Advanced Materials

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high energy density and long cycle life. [2] However, LIBs suffer from severe safety issues caused by lithium dendrites and flammable organic electrolytes, hindering their wide application in large-scale energy storage systems. [3] Additionally, the limited lithium reserves and their uneven distribution may further increase the cost of LIBs. [4] Therefore, it is extremely urgent to explore novel battery technologies with higher energy density, enhanced safety, and lower cost. [5] To replace or complement lithium-based energy storage systems, various batteries based on sodium (Na), potassium (K), calcium (Ca), magnesium (Mg), and aluminum (Al) have received extensive attention for use as next-generation electrochemical storage systems. [6] Among the metal-based cells, Al-based batteries (ABs) are one of the most promising alternatives for energy storage due to the high specific capacity, low cost, abundant reserves, and light weight of the Al anode. [7] Al can offer a theoretically gravimetric capacity of 2980 mAh g −1 , which is much higher than that of Mg (2200 mAh g −1 ) or Zn (820 mAh g −1 ) and only lower than that of Li (3860 mAh g −1 ). From a volume standpoint, Al has a larger volume capacity (8040Ah cm −3 ) than lithium (2060 Ah cm −3 ). [1,6a,8] Considering the combination of the specific capacity and earth reserves, Al can beat all other metals (Figure 1), demonstrating a promising candidate for developing advanced energy storage systems with high energy densities and low-cost. [9] ABs are a class of energy storage systems in which Al metals are used as anodes in the form of plates, foils, or particles. Al was initially used as an anode in the Buff cell coupled with a carbon cathode in 1857. [10] Later on, Al-MnO 2 batteries and Al-O 2 batteries were in succession demonstrated and explored in 1960s. [11] Since then, extensive efforts have been devoted to exploring more advanced Al batteries for clean and sustainable energy. According to the electrolyte characteristics, ABs can be briefly classified into aqueous Al batteries and non-aqueous Al batteries, including primary Al-air batteries, rechargeable Al-O 2 batteries, Al-ion batteries (AIBs), Al-graphite dual-ion batteries (DIBs), Al-S batteries, and others for various applications (Figure 2).Although enormous research progress on Al-based batteries has been achieved, there are still some challenges that need to be addressed, especially on the Al anode side. PrimaryThe ever-growing market of electric vehicles and the upcoming grid-scale storage systems have stimulated the fast growth of renewable energy storage technologies. Aluminum-based batteries are considered one of the most promising alternatives to complement or possibly replace the current lithium-ion batteries owing to their high specific capacity, good safety, low cost, light weight, and abundant reserves of Al. However, the anode problems in primary and secondary Al batteries, such as, self-corrosion, passive film, and volume expansion, severely limit the batteries' practical performanc...

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Suppression of byproduct accumulation in rechargeable aluminum–air batteries using non-oxide ceramic materials as air cathode materials

Cited by 15 publications

References 36 publications

All solid state rechargeable aluminum–air battery with deep eutectic solvent based electrolyte and suppression of byproducts formation

All solid state rechargeable aluminum–air battery with deep eutectic solvent based electrolyte and suppression of byproducts formation

Mechanistic Understanding of Oxygen Electrodes in Rechargeable Multivalent Metal‐Oxygen Batteries

Challenges and Strategies of Low‐Cost Aluminum Anodes for High‐Performance Al‐Based Batteries

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