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- Q204582 subject Q7214219.
- Q204582 subject Q8292816.
- Q204582 subject Q8622065.
- Q204582 abstract "Zinc–air batteries (non-rechargeable; IEC codes: A, P), and zinc–air fuel cells (mechanically rechargeable) are metal-air batteries powered by oxidizing zinc with oxygen from the air. These batteries have high energy densities and are relatively inexpensive to produce. Sizes range from very small button cells for hearing aids, larger batteries used in film cameras that previously used mercury batteries, to very large batteries used for electric vehicle propulsion.During discharge, a mass of zinc particles forms a porous anode, which is saturated with an electrolyte. Oxygen from the air reacts at the cathode and forms hydroxyl ions which migrate into the zinc paste and form zincate (Zn(OH)2−4), releasing electrons to travel to the cathode. The zincate decays into zinc oxide and water returns to the electrolyte. The water and hydroxyl from the anode are recycled at the cathode, so the water is not consumed. The reactions produce a theoretical 1.65 volts, but this is reduced to 1.35–1.4 V in available cells.Zinc–air batteries have some properties of fuel cells as well as batteries: the zinc is the fuel, the reaction rate can be controlled by varying the air flow, and oxidized zinc/electrolyte paste can be replaced with fresh paste.Zinc-air batteries can be used to replace now discontinued 1.35 V mercury batteries (although with a significantly shorter operating life), which in the 1970s through 1980s were commonly used in photo cameras.Possible future applications of this battery include its deployment as an electric vehicle battery and as a utility-scale energy storage system.".
- Q204582 thumbnail Zinc-air-battery-types.gif?width=300.
- Q204582 wikiPageExternalLink www.arpae-summit.com.
- Q204582 wikiPageExternalLink zinc_air_tech.asp.
- Q204582 wikiPageExternalLink UAVbro2.pdf.
- Q204582 wikiPageExternalLink accbatcc.htm.
- Q204582 wikiPageExternalLink metal_air.htm.
- Q204582 wikiPageExternalLink p1.html.
- Q204582 wikiPageExternalLink zinc-air-battery-new.htm.
- Q204582 wikiPageExternalLink index.shtml.
- Q204582 wikiPageExternalLink fctec_types_zafc.asp.
- Q204582 wikiPageExternalLink BatteryFAQ.html.
- Q204582 wikiPageExternalLink www.revolttechnology.com.
- Q204582 wikiPageExternalLink www.revolttechnology.com.
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- Q204582 comment "Zinc–air batteries (non-rechargeable; IEC codes: A, P), and zinc–air fuel cells (mechanically rechargeable) are metal-air batteries powered by oxidizing zinc with oxygen from the air. These batteries have high energy densities and are relatively inexpensive to produce.".
- Q204582 label "Zinc–air battery".
- Q204582 depiction Zinc-air-battery-types.gif.