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Wall Mounted Zinc Batteries

a zinc battery and wall mount technology, applied in the direction of batteries, nickel accumulators, cell components, etc., can solve the problems of cadmium electrodes phasing out from mass production, nickel-cadmium storage devices that have replaced nickel-cadmium storage devices are more expensive than nickel-cadmium batteries, and achieve the effect of improving the design of replaceable and rechargeable zinc cartridges

Inactive Publication Date: 2016-07-14
PANISOLAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention describes using replaceable zinc cartridges in nickel-zinc batteries to increase their lifespan. By replacing the zinc cartridges at about 10% of the battery cost, the total lifetime of the battery can be extended to match the lifetime of the nickel-oxide hydroxide cathode. The patent also suggests a flat design for the modules, with channels being the basic elements of wall-mounted batteries. Additionally, rotational joints are used to enable replacement of zinc cartridges without disassembling the batteries.

Problems solved by technology

Lithium batteries with higher performance (for example 1 KWh battery with 1 KW power) are essentially more expensive with prices in the range $600 / KWh-$900 / KWh.
The cadmium electrode has been phasing out from mass production because of safety concerns.
Nickel-metal hydride batteries that have replaced nickel-cadmium storage devices are more expensive that nickel-cadmium batteries.

Method used

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  • Wall Mounted Zinc Batteries
  • Wall Mounted Zinc Batteries
  • Wall Mounted Zinc Batteries

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0057]This example demonstrates a flat nickel-zinc battery designed with a wall mounted nickel-oxide hydroxide electrode, and a replaceable zinc cartridge. Zinc electrode current collector (4 cm*6 cm) has been produced by deposition of the Zn—Bi—Cu alloy with mass content 80% Zn, 20% Bi and 5% Cu on brass mesh 40 at 550° C. Electroactive zinc composition was prepared by mixing 8.1 g of zinc dust, 5 mkm size, 0.2 g of lead oxide, 0.2 g of m-aminodiphenylamine, 0.2 g zirconia hollow fibers, 0.2 g of ptfe dispersion, 0.1 g of carboxymethylcellulose with water. The mixture is deposited on brass current collector and wrapped into cellophane separator. The separator is sealed using double scotch.

[0058]Nickel electrode of the same size is prepared by welding nickel foam (pore diameters 0.3 mm-0.7 mm) to the nickel sheet 0.2 mm thickness; mixing 8.1 g of nickel oxide-hydroxide that includes 2% of ZnO and 5% of CoO with 1.5 g nickel powder, 0.2 g ptfe dispersion, 0.1 g carboxymethylcellulose...

example 2

[0060]This example demonstrates assembling a module of three cell zinc-air battery, which is presented in FIG. 8. Three zinc cartridges have been produced similar to Example 1. The base of the module for three cells was assembled from two parts. One of the base sheets made of polypropylene was milled to produce the cell pockets and groves as shown in FIG. 4. Another base sheet was produced with pockets, but without grooves. Both sheets were glued with polyethylene based hot melt glue.

[0061]The air electrode catalyst was prepared by mixing 12 g of acid treated carbon black with 0.1 g-mol of m-phenylenediamine in 100 mL of 0.5M HCl solution. 0.05 g-mol ammonium persulfate and 0.05 g-mol FeCl3 were added to solution at 10° C. and mixed for 24 h. Produced precursor was dried, and heat treated at 800° C. for 1 h. Then the sample was leached in 0.5M H2SO4 at 80° C. for 5 h, washed and heat treated at 800° C. for 1 h again.

[0062]Three current collectors (4 cm*6 cm) were assembled by weldin...

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Abstract

Rechargeable and replaceable zinc cartridges have been used as the components of nickel-zinc batteries. The battery life of a zinc battery is extended by periodic replacing of the zinc anodes at about 10% of the battery cost. Flat modules that include several cells interconnected with channels are used as basic elements of a flat battery. A home wall battery is produced by assembling the modules using rotational joints. The performance of the zinc current collectors is improved by deposition of Zn—Cu—Bi alloy. Zinc composition is formulated using additives of polyphenylenediamines and zirconium hollow fibers.

Description

[0001]This application claims benefit to U.S. provisional application No. 62 / 044,666 filed Sep. 2, 2014, and to US provisional application No 6207926 filed Nov. 13, 2014, and to U.S. provisional application No. 62 / 167,581 filed May 28, 2015 all of the subject matter has been incorporated by reference.[0002]This work was supported by National Research Council—Industrial Research Assistance Program, Project No 829964, 2014.FIELD OF THE INVENTION[0003]This invention proposes thin (˜1 cm) home wall energy storage devices based on zinc-air and nickel-zinc batteries with replaceable and rechargeable zinc modules.BACKGROUND OF THE INVENTION[0004]Energy storage devices are key components of future economy. Zinc batteries, which are low cost, high energy and safe to operate, are prospective storage devices for reserve power, electric grid, and transportation.[0005]Batteries for homes recently received special attention: at the end of April 2015 Tesla Motors offered 10 KWh, 2 KW batteries of ...

Claims

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Application Information

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IPC IPC(8): H01M4/66H01M4/48H01M2/14H01M10/30H01M4/70H01M12/00H01M2/02H01M4/24H01M4/38H01M4/80H01M50/117H01M50/119H01M50/121H01M50/16H01M50/417
CPCH01M4/661H01M4/38H01M4/48H01M2/14H01M4/808H01M2220/20H01M12/005H01M2/0262H01M4/24H01M10/30H01M2220/10H01M4/70H01M4/32H01M4/42H01M4/244H01M4/26H01M10/4235Y02E60/50Y02E60/10H01G11/04H01G11/46H01M50/417H01M50/121H01M50/117H01M50/16H01M50/119H01M50/44H01M50/124H01M2004/027H01M4/0404H01M4/34H01M4/52H01M4/54H01M4/62H01M8/188H01M10/26H01M2004/028
Inventor KOGAN, IAKOVKHOMENKO, ANNA
Owner PANISOLAR
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