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Fluid manager having fluid injection primer for a fluid consuming battery

A technology of fluid manager and fluid consumption, which is applied in battery pack components, fuel cell half-cells, primary battery half-cells, fuel cell additives, etc. Open and other questions

Inactive Publication Date: 2011-10-12
EVEREADY BATTERY CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the battery pack power output is very low, there may not be enough energy to actuate the valve, so the valve may not open, preventing further use of the battery pack

Method used

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  • Fluid manager having fluid injection primer for a fluid consuming battery
  • Fluid manager having fluid injection primer for a fluid consuming battery
  • Fluid manager having fluid injection primer for a fluid consuming battery

Examples

Experimental program
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Embodiment Construction

[0031] Embodiments of the invention relate to a battery pack that includes an electrochemical cell that uses a fluid, such as oxygen or another gas, from outside the cell as an active material for one of the electrodes. The battery has a fluid consuming electrode, such as an oxygen reduction electrode. The cell may be an air depolarized cell, a gas assisted cell or a fuel cell. The battery pack also has a fluid manager (such as an air manager) for controlling the flow of fluid to a fluid-consuming electrode (such as the air electrode of an air-depolarized cell and a gas-assisted cell) to extract energy from the cell during high-speed or high-power discharge. The exterior of the battery is provided with a sufficient amount of fluid to minimize fluid entering the fluid consuming electrodes and minimizing water entering or being lost from the battery during periods of low rate or no discharge. The fluid manager includes a user actuated fluid injection initiator for injecting flu...

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PUM

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Abstract

A fluid consuming battery is provided that includes a fluid (e.g. air) manager for supplying fluid to the battery. The fluid manager includes a housing member defining a plenum in fluid communication with a fluid consuming electrode of a fluid consuming battery cell. The fluid manager also includes a fluid injection primer in fluid communication with the plenum for injecting fluid into the plenum. The fluid injection primer includes a manually operated air mover that moves upon user actuation to inject fluid into the plenum to the fluid consuming electrode of the battery cell. Additionally, a valve and an actuator may be provided for opening and closing the valve in response to a controller.

Description

technical field [0001] The present invention relates generally to fluid-regulated batteries, and more particularly to providing a fluid, such as oxygen-containing air, to fluid-consuming electrodes of such batteries. Background technique [0002] Electrochemical battery cells (such as air-depolarized battery cells, air-assisted battery cells, and fuel cell cells) that use a fluid (such as oxygen or other gas from outside the cell) as an active material to generate electricity batteries) can be used to power a variety of portable electronic devices. For example, air enters an air-depolarized cell or a gas-assisted cell, where it can be used as, or can recharge, a positive electrode active material. The oxygen-reducing electrode facilitates the reaction of oxygen with the battery electrolyte and ultimately promotes the oxidation of oxygen to the negative electrode active material. Materials that promote the reaction of oxygen with the electrolyte in an oxygen reduction elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/00H01M2/38
CPCH01M8/04201H01M12/06Y02E60/50
Inventor 迈克尔·J.·布兰登二世查德·E.·劳
Owner EVEREADY BATTERY CO INC