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Method and apparatus for refilling fuel to electrochemical power source

An electrochemical and power supply technology, applied in electrochemical generators, transfer electrolyte devices, fuel cell-type half-cells and primary battery-type half-cells, etc., can solve the problems of not 100% utilization of zinc, user exposure, etc.

Inactive Publication Date: 2003-12-31
METALLIC POWER INC
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  • Abstract
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  • Claims
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Problems solved by technology

Other disadvantages of such systems include not being able to utilize 100% of the zinc and potentially exposing the user to a corrosive electrolyte (typically potassium hydroxide)
[0009] Other refuelable cells employ storage hoppers above each cell for storing metal pellets, but this does not adequately address how to easily, reliably, quickly and accurately fill multiple storage hoppers with the pellets and new electrolyte. The problem of not exposing the user to corrosive electrolytes
These and other design solutions are also insufficient to solve the problem of safe, quick, and convenient removal of spent electrolyte and reaction products from battery cells

Method used

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  • Method and apparatus for refilling fuel to electrochemical power source
  • Method and apparatus for refilling fuel to electrochemical power source
  • Method and apparatus for refilling fuel to electrochemical power source

Examples

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Embodiment Construction

[0032] Disclosed herein is a system capable of filling electrochemically active fuel particles (such as zinc particles) and electrolyte (such as potassium hydroxide) from removable containers into a reproducible battery cell with specific electrodes utilizing anodic processes. In the fuel cell. Also provided is a cyclic process of recycling spent electrolyte and reaction products from a discharged battery cell back to a removable container as a filling process to remove electrochemically active particles and electrolyte from a device for storing and forming electrochemically active fuel particles Fill into removable containers. The reaction products from the spent electrolyte and discharged cells from the removable container are conveyed to means for storing and regenerating the reaction products.

[0033] One or more removable containers may be attached or inserted into an electrochemical device, such as a metal / air refuelable cell. Electrochemically active fuel particles i...

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Abstract

A transportable container (10) for refueling a refuelable battery (40) includes a case (26), an electrolyte reservoir (14) within the case (26), an electrolyte reservoir (14) within the case (26), afirst valve connected to the electrolyte reservoir (26), a fuel compartment (12) within the case (26), a second valve connected to the fuel compartment (12), and a conduit (24) connected to the electrolyte reservoir and the fuel compartment (12), when the transportable container (10) is attached to a refuelable battery (40), a closed flow circuit for the circulation of electrolyte (60) is defined. Fuel particles (62) and electrolyte (60) are fed from the transportable container (10) into the refuelable battery (40). When the refuelable battery (40) is discharged, the transportable container (10), containing spent electrolyte and reaction products, is detached from the refuelable battery (40).

Description

technical field [0001] The field of the invention is that of power sources using electrochemical cells. Background technique [0002] Electrochemical power sources are now known to take the form of electrochemical cells utilizing specific electrodes. Certain electrodes generally include a substrate of electrochemically active particles, or particles onto which electrochemically active materials can be electroplated. Certain electrodes can be used in cathodic processes (eg, electroplating metal onto the particles), or can be used in anodic processes (eg, dissolving metals to generate electricity). [0003] Electrochemical power sources employing anodic processes may include metal / air cells such as, but are not limited to, zinc / air and aluminum / air cells. Such metal / air batteries employing an anode made of metal particles that are filled into the battery and dissolve during discharge are commonly referred to as refuelable batteries. Zinc / air refuelable cells include an anod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M12/06H01M6/50H01M8/04H01M8/22H01M50/77
CPCY02E60/12H01M8/225H01M6/5077H01M2/40H01M8/04186Y02E60/50H01M50/77
Inventor 杰弗里·A·科尔伯恩肯尼思·A·赖特罗纳德·古利诺
Owner METALLIC POWER INC
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