Iron-Air Battery

QuantumScape Corp, a rechargeable batteries start-up supported by Volkswagen AG, is developing an "Iron-Air Battery" technology.
Abhinaya M

Updated: Jan 03, 2022 05:30:02 pm

03 January 2022 Current Affairs:QuantumScape Corp, a rechargeable batteries start-up supported by Volkswagen AG, is developing an "Iron-Air Battery" technology.

Highlights:
  • This technology has the potential to make car batteries less expensive, more dependable, and more suitable for faster charging.
  • QuantumScape Corp's shareholders have approved a multimillion-dollar pay package for Chief Executive Officer Jagdeep Singh in exchange for meeting certain performance goals.
  • Iron–air rechargeable batteries are an appealing technology with grid-scale energy storage potential. 
  • This technology's main raw material is iron oxide (rust), which is non-toxic, abundant, cheap, and environmentally friendly.
  •  The majority of iron batteries currently in development use iron oxide to generate or store hydrogen via a redox reaction.
  • The interplay of metal with oxygen generates power in iron-air batteries. In that procedure, the steel oxidizes in the same way it would during the corrosion phase. 
  • The reaction requires oxygen, which can be obtained from the ambient air. 
  • As a result, it eliminates the need for a cell to store it. When compared to lithium-ion batteries with 600wh/kg, iron-air batteries save even more energy.
Significance:
  • Since both ferrous and sodium are abundant, iron-air batteries are important. They are the fundamental components of alkali solutions.
  •  They have a lot of room to grow. They have a 30-year life expectancy. Fault current, overcharging, and discharge aren't a problem for iron-oxygen batteries. 
  • In comparison to traditional power stations, a battery-powered iron-oxygen battery could provide 100 hours of energy at a low cost of operation.
  • When compared to the cost of lithium-ion batteries, it is less than a tenth. The energy density, reversibility, and environmental acceptability of these batteries have piqued interest.
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