High energy rechargeable Aluminum batteries

In summary, the conversation discusses a proposal for high energy density rechargeable aluminum-based batteries, which use a reaction between aluminum and iron (or other metals) and oxygen. The author is confident in their rechargeability, despite the presence of other metals, and this raises questions about the use of other metals and the difference between rechargeable and non-rechargeable batteries. The stability of Al2O3 makes it difficult to decompose, but the potential for solubility in water or other liquids may determine the rechargeability of the battery.
  • #1
Stanley514
411
2
In this article http://www.adlabs.com/library/battery.html" (read PDF) an author proposes high energy density rechargeable aluminum-based batteries.They are based on reaction of Aluminum with Iron (or other metals) and oxygen.I still trying to understand why autor is so sure that such type of batteries going to be rechargeable and what is sense to use some other metal (such as Iron) in reaction.
For example: 2Al+Fe2O3 »» Al2O3+Fe2. Is it going to be rechargeable?If yes, why than
Al-air primary battery is non-rechargeable?
 
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  • #2
Reaction is not different from the one used in termite, two metals are present to make use of their different affinity to oxygen.

No idea about rechargeability, but I have not read the paper. In general Al2O3 is very stable, so difficult to decompose.
 
  • #3
What aluminum-based batteries supposed to be rechargeable?
For example Aluminum-Iodine is rechargeable?
With what metals aluminum could react reversibly?
 
  • #4
In general Al2O3 is very stable, so difficult to decompose.
What defines rechargebility of battery?For example if Al2O3 whould be soluble in water
or some other liquid,does it mean it would be rechargeable?
 
  • #5
No Anion and Cations require differing potentials to be soluble and recoverable , Ie: see Electroplating.
 

Related to High energy rechargeable Aluminum batteries

1. What are high energy rechargeable Aluminum batteries?

High energy rechargeable Aluminum batteries are a type of battery that use aluminum as the anode material, instead of the traditional lithium-ion batteries which use graphite. These batteries have the potential to store more energy and have a longer lifespan compared to lithium-ion batteries.

2. How do high energy rechargeable Aluminum batteries work?

High energy rechargeable Aluminum batteries work by utilizing the electrochemical reaction between aluminum and an electrolyte solution to produce electricity. When the battery is being charged, aluminum ions are oxidized at the anode, while the cathode is reduced. When the battery is being discharged, the reverse reaction occurs, allowing the battery to supply electricity to a device.

3. What are the advantages of high energy rechargeable Aluminum batteries?

Some advantages of high energy rechargeable Aluminum batteries include their high energy density, which means they can store more energy in a smaller space, their low cost compared to lithium-ion batteries, and their potential for a longer lifespan with less degradation over time.

4. What are the potential applications for high energy rechargeable Aluminum batteries?

High energy rechargeable Aluminum batteries have the potential to be used in a wide range of applications, including portable electronics, electric vehicles, and renewable energy storage systems. They could also be used in medical devices and aerospace technology.

5. What are the current challenges with high energy rechargeable Aluminum batteries?

One of the main challenges with high energy rechargeable Aluminum batteries is finding a suitable electrolyte solution that can work effectively with aluminum. Another challenge is the development of a stable cathode material that can withstand the high voltage and high energy density of these batteries. Additionally, there are still limitations in the production process and scalability of these batteries for mass commercial use.

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