Category:OSWe8eada7338114bbe8f65f6ee089d439f: Difference between revisions

VisualWikitext

@@ Line 1: / Line 1: @@
+==Overview==
+Zinc-air batteries are a type of {{Template:Viewer/Link|page=Category:OSW9cfcb1d3ed39476a930047ffb6de6cf0|url=|label=metal-air battery}} technology that offers the potential for high {{Template:Viewer/Link|page=Category:OSW4aa1b96e44a04b1aa0ac723d0223d80b|url=|label=energy density}}, inherent safety, and the use of affordable, earth-abundant materials. These characteristics have attracted interest for a wide range of energy storage applications, from hearing aids and sensors to large-scale stationary energy storage. Most zinc-air batteries commercially available today are {{Template:Viewer/Link|page=Category:OSW3b0b0d6e8b0e4491885e8421d3eb3b69|url=|label=primary cells}} (single-use), but there is growing research and development effort aimed at making zinc-air batteries {{Template:Viewer/Link|page=Category:OSWefc38420ecbb42e4bb3f208e7c417098|url=|label=secondary cells}} (rechargeable). This work is driven by the technology's promise to combine high performance with sustainability and low cost.
+==Working Principle==
+A typical zinc-air battery couples an oxygen reduction cathode with a zinc-based anode in an {{Template:Viewer/Link|page=Category:OSW615cff2abe954e65947198db23f4c878|url=|label=alkaline electrolyte}}. During the discharging process, oxygen from the air undergoes reduction at the cathode, while zinc metal at the anode is oxidized. In primary zinc-air batteries, the cathode is a porous gas diffusion electrode containing an oxygen reduction catalyst, such as manganese dioxide (MnO₂). The oxygen reduction reaction (ORR) proceeds according to:
+O₂ + H₂O + 4e⁻ ⇌ 4OH⁻
+Rechargeable (secondary) zinc-air batteries use a bi-functional air electrode capable of both the oxygen reduction reaction (ORR) during discharge and the oxygen evolution reaction (OER) during charging.
+{{Template:Viewer/Media
+| image_size = 300
+| mode = default
+| textdata = File:OSWd16c853933b64ebe9fe640d5a74e96f6.png{{!}}A schematic showing the working principle of an alkaline zinc-air battery cell. Reused with permission from N. Borchers, S. Clark, B. Horstmann, K. Jayasayee, M. Juel, and P. Stevens, “Innovative Zinc-Based Batteries,” J. Power Sources, 484, no. December 2020, p. 229309, 2021, https://doi.org/10.1016/j.jpowsour.2020.229309.;
+}}
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Latest revision as of 11:43, 15 April 2025

ZincAirBattery
ID	OSWe8eada7338114bbe8f65f6ee089d439f
UUID	e8eada73-3811-4bbe-8f65-f6ee089d439f
Label	ZincAirBattery
Machine compatible name	ZincAirBattery

Statements (outgoing)

Statements (incoming)

Description

a type of metal-air battery with a zinc negative electrode

Category (Class)

OWL Class
Imported fromA prefixed IRI defining this entry as a imported term. In OSW the prefix must be a registered imported ontology.<br>Definition: OWL Class	https://w3id.org/emmo/domain/battery#battery e8eada73 3811 4bbe 8f65 f6ee089d439f
RelationsRelations of this class to other classes, instances or literals (OWL Restrictions)<br>Definition: OWL Class	hasNegativeElectrode ZincBasedElectrode

EmmoClass
metaclass<br>Definition: Category (Class), EmmoClass	EmmoClass
Supercategories<br>Definition: Category (Class), OWL Class, EmmoClass	MetalAirBattery ZincBattery
Alternative label<br>Definition: EmmoClass	ZAB [en]

Overview

Zinc-air batteries are a type of metal-air battery technology that offers the potential for high energy density, inherent safety, and the use of affordable, earth-abundant materials. These characteristics have attracted interest for a wide range of energy storage applications, from hearing aids and sensors to large-scale stationary energy storage. Most zinc-air batteries commercially available today are primary cells (single-use), but there is growing research and development effort aimed at making zinc-air batteries secondary cells (rechargeable). This work is driven by the technology's promise to combine high performance with sustainability and low cost.

Working Principle

A typical zinc-air battery couples an oxygen reduction cathode with a zinc-based anode in an alkaline electrolyte. During the discharging process, oxygen from the air undergoes reduction at the cathode, while zinc metal at the anode is oxidized. In primary zinc-air batteries, the cathode is a porous gas diffusion electrode containing an oxygen reduction catalyst, such as manganese dioxide (MnO₂). The oxygen reduction reaction (ORR) proceeds according to:

O₂ + H₂O + 4e⁻ ⇌ 4OH⁻

Rechargeable (secondary) zinc-air batteries use a bi-functional air electrode capable of both the oxygen reduction reaction (ORR) during discharge and the oxygen evolution reaction (OER) during charging.

A schematic showing the working principle of an alkaline zinc-air battery cell. Reused with permission from N. Borchers, S. Clark, B. Horstmann, K. Jayasayee, M. Juel, and P. Stevens, “Innovative Zinc-Based Batteries,” J. Power Sources, 484, no. December 2020, p. 229309, 2021, https://doi.org/10.1016/j.jpowsour.2020.229309.

Graph

Attachments

Alkaline Zinc-Air Battery Schematic

Description:

📎 Select files (or drop them here)... 📷 Camera

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Subcategories

This category has the following 2 subcategories, out of 2 total.

O

NeutralZincAirBattery‎ (empty)
AlkalineZincAirBattery‎ (empty)