CA2320596A1 - Metal-air cell and electrochemical power generation system based on metal-air cells - Google Patents
Metal-air cell and electrochemical power generation system based on metal-air cells Download PDFInfo
- Publication number
- CA2320596A1 CA2320596A1 CA002320596A CA2320596A CA2320596A1 CA 2320596 A1 CA2320596 A1 CA 2320596A1 CA 002320596 A CA002320596 A CA 002320596A CA 2320596 A CA2320596 A CA 2320596A CA 2320596 A1 CA2320596 A1 CA 2320596A1
- Authority
- CA
- Canada
- Prior art keywords
- air
- power generation
- metal
- generation system
- aluminum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 239000003792 electrolyte Substances 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 101100285518 Drosophila melanogaster how gene Proteins 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
- H01M12/065—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode with plate-like electrodes or stacks of plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/70—Arrangements for stirring or circulating the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/70—Arrangements for stirring or circulating the electrolyte
- H01M50/77—Arrangements for stirring or circulating the electrolyte with external circulating path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Hybrid Cells (AREA)
Abstract
An electrochemical power generation system is comprised of metal - air (aluminum - air) cells.
Each aluminum - air cell represents a source of electrical current and is mechanically rechargeable. The distinctive feature of this invention is that each aluminum -air cell of a bi-cathode type has a form of a flat multichamber structure. It is the preferred arrangement to connect seven aluminum - air cells into a section, sections comprise modulates and modules comprise the electrochemical power generation system. The preferred number of section in each module is two. The distinctive features of this invention is that the electrochemical power generation system is an independent source of electric power, self - contained environmentally - friendly. This technology can form a solid base for the distributed electric power generation for residential, commercial, and industrial customers. In particular, it is applicable as power supply for electric vehicles, back-up supply for telecommunication equipment, appliances, computers, radio-electronic equipment.
Each aluminum - air cell represents a source of electrical current and is mechanically rechargeable. The distinctive feature of this invention is that each aluminum -air cell of a bi-cathode type has a form of a flat multichamber structure. It is the preferred arrangement to connect seven aluminum - air cells into a section, sections comprise modulates and modules comprise the electrochemical power generation system. The preferred number of section in each module is two. The distinctive features of this invention is that the electrochemical power generation system is an independent source of electric power, self - contained environmentally - friendly. This technology can form a solid base for the distributed electric power generation for residential, commercial, and industrial customers. In particular, it is applicable as power supply for electric vehicles, back-up supply for telecommunication equipment, appliances, computers, radio-electronic equipment.
Description
METAL- AIR CELL AND ELECTRQCHEMICAL POWER GENERA;~'!I"n~~N SYSTEM
BASED ON METAL-AIR CELLS.
Field of Invention.
The invention relates to the area of distributed electric power generation, specific~iil(~~: t:o the area of rnetai - air aluminum electrochemical systems, preferably aluminum-air cells, comprising~i ~~in electrochemical power generation system suitable as an independent power supply for the followin~f:i <applicationsv electric vehicles, housing. electrical appliances, radio-electronic equipmaent, compN.otE~rs, back-up supply for telecommunication equipment, air conditioning equipment.
Summary of tire Invention.
The following are the goals of the present invention.
~ Providing an independent, self-contained, source of power ~ Implementation of aluminum - air cells as a source of electric current ~ Environmentally-friendly electrochemical power generation system ~ Applicable as an independent power supply for electric vehicles ~ Applicable for distributed power generation for residential, commercial and indur; tE~i7l users ~ Increased reliability as an independent source of electrical current ~ Low life-cycle cost of the compact home power generation station ~,escription of the invention.
In the invention, the electrochemical power generation system is comprise~~;!
~c~af metal - air cells.
Each metal - air cell of a bi-cathode type includes a flat mufti-chamber str~r~at,~ure, anode sealed by a cover, two gas-diffusion cathodes, a chamber for electrolyte, oxidizing ~c17'amber, multi-funcfiional surfaces located at each side and butt-ends of the cell frame.
In a mufti-chamber structure of each of the metal - air cell, one or more ch~rrrib~er(s) function as a thermal-gas-hydrodynamic lift and that, along with other chambers (distribu~~liic:,rn, relieving etc.}, provide the following;
- natural circular movement of electrolyte into a cell, - optimal thermal operating conditions of the aluminum - air cell in particul!~~ar.and of the electrochemical power generation system as a whole, - equalizing concentration of the electrolyte components - improvement of the energy and operational characteristics of the cells, <i :> vrrell as of the electrochemical power generation system as a whole Metal-air cells connected in series comprise a section. Sections comprise r~~ruc;clufes of the electrochemical generator of power. The number of sections in the module r,:2ur~ be ane or more It is preferred that for aluminum-air cells seven cells are connected in seriea f~~~rming a section.
For aluminum -- air cells each module of the electrochemical generator con;i~i~.2:> of two sections Due to series connection of the metal-air cells into a section, the ,multifunctiu~nn;a~~l surfaces of the adjacent cells form an air chamber used for the convective intake of air. Ths~
v~!r'ore, for a section of seven cells, there will be formed six full air chambers, and half-chambers ;°i~t hoth ends of the section r The electrochemical power generation system consists of one or mare mo,;n!yl~ns and a unit for flow distribution and tapping the power at the electrochemical power genes",~nt~c;~n system to the customer(s).
There are available versions) of a power supply unit without the unit for fld~~~v~c~iistribution and tapping the power. In this case, the electrochemical power supply unit is crkrr~yosed of one module or, alternatively, a combination of modules connected in series anal f~~~~ral(el.
The maior features of the invention.
The overall view of the cel( is shown on the attached Figure 1 (without anoc~
i~;i.
The aluminum - air cell with a bi-cathode is made as a flat-box cell- frame 1~. ~ ~' Gas-diffusion cathodes 2 and 3 respectively that have a form of a flat she~7l:
r:~~e located on each side of the cell-frame.
Anode that has a form of a flat plate or a U-shape is inserted in the space ba:~~~nyeen the two gas-diffusion cathodes. The tail part of the anode plate is equipped with a condyc~c~r jumper that is imbedded into the sealing cover of the anode.
The multi-chamber structure of the metal-air cell is shown on Figure 1 and ~!
~(~~isimplified version). ' Figure ~ shows laminar flow of electrolyte throughout the chamber.
The flat-box cell frame 1 includes multi-functional surfaces located at each s~cl!~: and butt-ends that are forming seven chambers, namely:
- active chamber I is located in the operation zone, distribution chamber II is located between the internal surfaces of the frolrt~~~ond back walls of the cell - frame, - relieving chamber III that has a rectangular form, - chambers IV and iV" are located symmetrically on each side of the activx>y c~f~amber l, - chamber V is a collector and distribution chamber, - chamber VI serves for convective intake of air for forced or natural coc~~Nir;~i~ of the cells, sections, and modules of the electrochemical power generation s~,l~~rat~sm.
- Chamber VIl is the hermetizing chamber that provides access of the anc:u~~~b~ into operation zone I during the mechanical recharging of the metal-air cell.
When the cells are connected in series into a section, module, efectrochem~~Ic.al generator, hydrogen-exhausting distributing manifold connected to a device to converll:
hydrogen tv water that can be returned into electrolyte or withdrawn into thEU
ati-nosphere.
The preferred composition of the gas-diffusion cathode is a three-layer stru~~,vhifvre consisting of active hydrophilic (gas-impermeable) layer made of a mixture of powders oiv tlv~ industrial carbon and activated coal of different fractures with high specific surface cc:~:rnt:~~ining carbon 99.95 to 99.995 per cent by mass, a mixture of polymeric fluorine andlor hiclh~rnolecular carbon polymers with modifying additives.
As a part of this invention, different solutions can be utilized, e.g. alkali (Naf':~~yi'~ 'or KOH) or salt solution, electrolyte, as well as their mixture, modified using different additivr,~,:,~ ~n-4, Pb-4, Ga'3.
Zn-3.
Anode electrode can be made of any anodic metal that is usually utilized in =nnnetal-air cells. For example, the following metals can be used: Al, Zn, Fe, Be, Cd, Mg, Li and 0°"ko, as well as alloys and their composites.
The preferred anvdic metal utilized in this invention is aluminum alloy with ar~,~:1~9~itives Ga, Zn, Fe, Sn, Cd, Pb, Mn, Fe, Mg used in proportions that provide high energy and o~n!~3irdtional characteristics during the reaction under a condition of minimum allowable ~~~~oi~rosion levels.
The second layer represents a current-conducting mesh made of nickel or iV~:~~; alloys, that represents the base of the cathode and, simultaneously, functioning as a cv.~r ~e~nt collector mesh.
The third layer represents a hydrophobic (gas-permeable) layer, made of a~
~n~li~cture of powders of the industrial carbon and activated coal of different fractures with high sy~E~c.ific surface containing carbon 99.95 to 99.995 per cent by mass, a mixture of polymeric fluorine and/or hi~at-n, imolecular carbon Polymers with modifying additives.
This invention suggests to use technologically simple and efficient composil;irarts for anodes and electrolytes, namely For anodes:
AL 99.95 plus additives: 0.6 % by mass of In; 0.6 % by mass of Cu; 0.02 %
fyjmass of Fe For electrolytes:
4 rnollL NaOH or 4 mollL KOH plus additives: 0.5 % by mass of Sn; 0.2 %
t~~~~;r~nass of Su; 0 5 by mass of D (glucose}.
Although this disclosure has described and illustrated certain preferred embodiments of the invention, it is to be understood that the invention is not restricted to those particular embodiments. Rather, the invention includes all embodiments which are functional or mechanical equivalents of the specific embodiments and features that have been described and illustrated.
BASED ON METAL-AIR CELLS.
Field of Invention.
The invention relates to the area of distributed electric power generation, specific~iil(~~: t:o the area of rnetai - air aluminum electrochemical systems, preferably aluminum-air cells, comprising~i ~~in electrochemical power generation system suitable as an independent power supply for the followin~f:i <applicationsv electric vehicles, housing. electrical appliances, radio-electronic equipmaent, compN.otE~rs, back-up supply for telecommunication equipment, air conditioning equipment.
Summary of tire Invention.
The following are the goals of the present invention.
~ Providing an independent, self-contained, source of power ~ Implementation of aluminum - air cells as a source of electric current ~ Environmentally-friendly electrochemical power generation system ~ Applicable as an independent power supply for electric vehicles ~ Applicable for distributed power generation for residential, commercial and indur; tE~i7l users ~ Increased reliability as an independent source of electrical current ~ Low life-cycle cost of the compact home power generation station ~,escription of the invention.
In the invention, the electrochemical power generation system is comprise~~;!
~c~af metal - air cells.
Each metal - air cell of a bi-cathode type includes a flat mufti-chamber str~r~at,~ure, anode sealed by a cover, two gas-diffusion cathodes, a chamber for electrolyte, oxidizing ~c17'amber, multi-funcfiional surfaces located at each side and butt-ends of the cell frame.
In a mufti-chamber structure of each of the metal - air cell, one or more ch~rrrib~er(s) function as a thermal-gas-hydrodynamic lift and that, along with other chambers (distribu~~liic:,rn, relieving etc.}, provide the following;
- natural circular movement of electrolyte into a cell, - optimal thermal operating conditions of the aluminum - air cell in particul!~~ar.and of the electrochemical power generation system as a whole, - equalizing concentration of the electrolyte components - improvement of the energy and operational characteristics of the cells, <i :> vrrell as of the electrochemical power generation system as a whole Metal-air cells connected in series comprise a section. Sections comprise r~~ruc;clufes of the electrochemical generator of power. The number of sections in the module r,:2ur~ be ane or more It is preferred that for aluminum-air cells seven cells are connected in seriea f~~~rming a section.
For aluminum -- air cells each module of the electrochemical generator con;i~i~.2:> of two sections Due to series connection of the metal-air cells into a section, the ,multifunctiu~nn;a~~l surfaces of the adjacent cells form an air chamber used for the convective intake of air. Ths~
v~!r'ore, for a section of seven cells, there will be formed six full air chambers, and half-chambers ;°i~t hoth ends of the section r The electrochemical power generation system consists of one or mare mo,;n!yl~ns and a unit for flow distribution and tapping the power at the electrochemical power genes",~nt~c;~n system to the customer(s).
There are available versions) of a power supply unit without the unit for fld~~~v~c~iistribution and tapping the power. In this case, the electrochemical power supply unit is crkrr~yosed of one module or, alternatively, a combination of modules connected in series anal f~~~~ral(el.
The maior features of the invention.
The overall view of the cel( is shown on the attached Figure 1 (without anoc~
i~;i.
The aluminum - air cell with a bi-cathode is made as a flat-box cell- frame 1~. ~ ~' Gas-diffusion cathodes 2 and 3 respectively that have a form of a flat she~7l:
r:~~e located on each side of the cell-frame.
Anode that has a form of a flat plate or a U-shape is inserted in the space ba:~~~nyeen the two gas-diffusion cathodes. The tail part of the anode plate is equipped with a condyc~c~r jumper that is imbedded into the sealing cover of the anode.
The multi-chamber structure of the metal-air cell is shown on Figure 1 and ~!
~(~~isimplified version). ' Figure ~ shows laminar flow of electrolyte throughout the chamber.
The flat-box cell frame 1 includes multi-functional surfaces located at each s~cl!~: and butt-ends that are forming seven chambers, namely:
- active chamber I is located in the operation zone, distribution chamber II is located between the internal surfaces of the frolrt~~~ond back walls of the cell - frame, - relieving chamber III that has a rectangular form, - chambers IV and iV" are located symmetrically on each side of the activx>y c~f~amber l, - chamber V is a collector and distribution chamber, - chamber VI serves for convective intake of air for forced or natural coc~~Nir;~i~ of the cells, sections, and modules of the electrochemical power generation s~,l~~rat~sm.
- Chamber VIl is the hermetizing chamber that provides access of the anc:u~~~b~ into operation zone I during the mechanical recharging of the metal-air cell.
When the cells are connected in series into a section, module, efectrochem~~Ic.al generator, hydrogen-exhausting distributing manifold connected to a device to converll:
hydrogen tv water that can be returned into electrolyte or withdrawn into thEU
ati-nosphere.
The preferred composition of the gas-diffusion cathode is a three-layer stru~~,vhifvre consisting of active hydrophilic (gas-impermeable) layer made of a mixture of powders oiv tlv~ industrial carbon and activated coal of different fractures with high specific surface cc:~:rnt:~~ining carbon 99.95 to 99.995 per cent by mass, a mixture of polymeric fluorine andlor hiclh~rnolecular carbon polymers with modifying additives.
As a part of this invention, different solutions can be utilized, e.g. alkali (Naf':~~yi'~ 'or KOH) or salt solution, electrolyte, as well as their mixture, modified using different additivr,~,:,~ ~n-4, Pb-4, Ga'3.
Zn-3.
Anode electrode can be made of any anodic metal that is usually utilized in =nnnetal-air cells. For example, the following metals can be used: Al, Zn, Fe, Be, Cd, Mg, Li and 0°"ko, as well as alloys and their composites.
The preferred anvdic metal utilized in this invention is aluminum alloy with ar~,~:1~9~itives Ga, Zn, Fe, Sn, Cd, Pb, Mn, Fe, Mg used in proportions that provide high energy and o~n!~3irdtional characteristics during the reaction under a condition of minimum allowable ~~~~oi~rosion levels.
The second layer represents a current-conducting mesh made of nickel or iV~:~~; alloys, that represents the base of the cathode and, simultaneously, functioning as a cv.~r ~e~nt collector mesh.
The third layer represents a hydrophobic (gas-permeable) layer, made of a~
~n~li~cture of powders of the industrial carbon and activated coal of different fractures with high sy~E~c.ific surface containing carbon 99.95 to 99.995 per cent by mass, a mixture of polymeric fluorine and/or hi~at-n, imolecular carbon Polymers with modifying additives.
This invention suggests to use technologically simple and efficient composil;irarts for anodes and electrolytes, namely For anodes:
AL 99.95 plus additives: 0.6 % by mass of In; 0.6 % by mass of Cu; 0.02 %
fyjmass of Fe For electrolytes:
4 rnollL NaOH or 4 mollL KOH plus additives: 0.5 % by mass of Sn; 0.2 %
t~~~~;r~nass of Su; 0 5 by mass of D (glucose}.
Although this disclosure has described and illustrated certain preferred embodiments of the invention, it is to be understood that the invention is not restricted to those particular embodiments. Rather, the invention includes all embodiments which are functional or mechanical equivalents of the specific embodiments and features that have been described and illustrated.
Claims
Claim 1: An electrochemical power generation system comprising a plurality of metal - air cells, wherein each metal - air cell is of a bi-cathode type having a cell frame, a flat multi-chamber structure, anode sealed by a cover, two gas-diffusion cathodes, a chamber for electrolyte, oxidizing chamber, multi-functional surfaces located at each side and butt-ends of the cell frame.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002320596A CA2320596A1 (en) | 2000-09-21 | 2000-09-21 | Metal-air cell and electrochemical power generation system based on metal-air cells |
| CA002341055A CA2341055A1 (en) | 2000-09-21 | 2001-03-19 | Gas-evolving electrochemical cells |
| PCT/CA2001/001218 WO2002025755A2 (en) | 2000-09-21 | 2001-08-24 | Gas-evolving electrochemical cells |
| AU2001287428A AU2001287428A1 (en) | 2000-09-21 | 2001-08-24 | Gas-evolving electrochemical cells |
| US09/935,753 US20020034679A1 (en) | 2000-09-21 | 2001-08-24 | Gas-evolving electrochemical cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002320596A CA2320596A1 (en) | 2000-09-21 | 2000-09-21 | Metal-air cell and electrochemical power generation system based on metal-air cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2320596A1 true CA2320596A1 (en) | 2002-03-21 |
Family
ID=4167204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002320596A Abandoned CA2320596A1 (en) | 2000-09-21 | 2000-09-21 | Metal-air cell and electrochemical power generation system based on metal-air cells |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2320596A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786985A (en) * | 2020-12-16 | 2021-05-11 | 杭州焘颐机械科技有限公司 | Environment-friendly separation treatment device for recycling waste storage batteries |
-
2000
- 2000-09-21 CA CA002320596A patent/CA2320596A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786985A (en) * | 2020-12-16 | 2021-05-11 | 杭州焘颐机械科技有限公司 | Environment-friendly separation treatment device for recycling waste storage batteries |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |