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Aluminum-based metal-air batteries

An air electrode and battery technology, applied in the direction of organic electrolyte batteries, hybrid batteries, battery electrodes, etc., can solve problems such as complex battery structures

Active Publication Date: 2016-11-09
亚利桑那董事会
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, all of these approaches will result in complex battery structures that will eliminate most of the energy density offered by aluminum

Method used

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  • Aluminum-based metal-air batteries
  • Aluminum-based metal-air batteries
  • Aluminum-based metal-air batteries

Examples

Experimental program
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Embodiment Construction

[0041] An embodiment provides an electrochemical cell including: (i) a plurality of electrodes including a fuel electrode containing aluminum and an air electrode absorbing gaseous oxygen, the electrode being operable in a discharge mode, Wherein aluminum is oxidized at the fuel electrode and oxygen is reduced at the air electrode, and (ii) an ion-conducting medium containing an organic solvent; wherein during non-use of the battery, the organic solvent will promote the A protective interface is formed between the aluminum and the ion conducting medium, and wherein at the beginning of the discharge mode, at least some of the protective interface will be removed from the aluminum to allow the aluminum to be oxidized during the discharge thereafter.

[0042] electrode

[0043] The electrochemical battery described herein can be any type of battery. For example, it may be a galvanic battery, a storage battery, or a combination thereof. A "primary" battery may refer to a battery in ...

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Abstract

In one embodiment there is provided an electrochemical cell comprising: (i) a plurality of electrodes including a fuel electrode comprising aluminum and an air electrode absorbing gaseous oxygen, the electrodes operable in a discharge mode, wherein aluminum is oxidized at the fuel electrode and oxygen is reduced at the air electrode, and (ii) an ionically conductive medium comprising an organic solvent; wherein during non-use of the cell, the organic solvent will promote A protective interface is formed between the aluminum of the fuel electrode and the ionically conductive medium, and wherein at least some of the protective interface will be removed from the aluminum at the start of the discharge mode to thereafter allow for The aluminum is oxidized during discharge mode.

Description

[0001] References to related applications [0002] This application claims priority of the U.S. Provisional Application Serial Number: 61 / 577,490 filed on December 19, 2011, and the entire content of the provisional application is incorporated herein by reference. [0003] Government funding statement [0004] All publications, patents and patent applications mentioned in this specification are incorporated herein by reference in their entirety. The present invention was completed with the support of the US government based on the contract number DE-AR-00000038 awarded by the US Department of Energy. The government has certain rights in this invention. Background technique [0005] Metal-air batteries are well known and include metal fuel electrodes and air electrodes. During the discharge process, the metal fuel is oxidized at the metal fuel electrode and oxygen is reduced at the air electrode. In a rechargeable (also known as "secondary") type of metal-air battery, the metal fuel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M12/06H01M12/00H01M10/056H01M6/16
CPCH01M12/08H01M2300/0002H01M2300/0028Y10T29/49108Y02E60/10H01M4/38H01M12/02H01M12/06
Inventor C·A·弗里森J·A·B·马丁内斯
Owner 亚利桑那董事会
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