Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/05—Accumulators with non-aqueous electrolyte
  • H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/05—Accumulators with non-aqueous electrolyte
  • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/05—Accumulators with non-aqueous electrolyte
  • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
  • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
  • H01M10/0566—Liquid materials
  • H01M10/0569—Liquid materials characterised by the solvents
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M4/134—Electrodes based on metals, Si or alloys
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M4/139—Processes of manufacture
  • H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/36—Selection of substances as active materials, active masses, active liquids
  • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/36—Selection of substances as active materials, active masses, active liquids
  • H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
  • H01M4/602—Polymers
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M4/624—Electric conductive fillers
  • H01M4/625—Carbon or graphite
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02E60/10—Energy storage using batteries
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
  • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

• This invention relates to electrical energy storage devices having an anode of Aluminum and an electrolyte containing ions of Aluminum.
• This invention also relates to a method for constructing an electrical energy storage device having an anode of Aluminum and an electrolyte including ions containing Aluminum.
• the invention provides for an electrical energy storage device with an
• Anode containing Aluminum and a cathode including a host lattice having a conjugated system with delocalized 7 ⁇ electrons bonded with a dopant that contains Aluminum and an electrolyte with positive and negative ions of Aluminum dispersed in Glycerol.
• the invention also provides for a method of constructing such an electrical energy storage device including the step of making the electrolyte by dissolving Aluminum Perchlorate powder in Glycerol.
• the invention in its broadest aspect provides for an electrical energy storage device that includes an anode of Aluminum and a novel electrolyte including ions containing Aluminum dispersed in Glycerol.
• Aluminum offers the potential for much greater energy density compared with other materials commonly used in electrical energy storage devices, such as in Lithium-Ion batteries. Aluminum offers further advantages in that it is abundant, inexpensive, and much less flammable than Lithium.
• Glycerol which is also called glycerine, glycerin, or propane- 1 ,2,3 - triol, is a simple polyol (sugar alcohol) having a molecular formula C 3 H 8 O 3 . Glycerol is an abundant, stable, hygroscopic, and nontoxic solvent, ideal for use in a non-aqueous electrolyte. This electrolyte enables an Aluminum Secondary battery to be constructed with an anode of Aluminum which is capable of multiple charge and discharge cycles because it does not suffer from destructive corrosion or formation of oxides on the Aluminum in the anode.
• Figure 1 is a schematic cut-away view of an Aluminum secondary battery.
• Figure 2 is a top view of a secondary battery with an anode disposed above a cathode layer.
• an electrical energy storage device 20 is disclosed as a secondary battery device 22 using a non-aqueous electrolyte 24 including ions 26, 27 containing Aluminum.
• the term "secondary battery” refers to an electrochemical energy storage device that is capable of being recharged.
• the term “non-aqueous” refers to a substance that contains no substantial quantity of water.
• Other types of electrical energy storage devices 20 may be constructed according to the present invention. Such electrical energy storage devices 20 include, for example, primary, or non-rechargeable batteries, and electrolytic capacitors.
• the secondary battery device 22 is constructed as a stack of thin layers. It should be appreciated that the secondary battery device 22 could be made in numerous different physical arrangements. Examples of those arrangements are coin cells, cylindrical batteries, and multi-cell packages such as those that as are commonly used in laptop computers, personal electronics, and electric or hybrid-electric vehicles.
• the secondary battery device 22 includes an anode 28 of Aluminum of
• the Anode 28 has a rectangular shape with a first length of 1.2 cm and a first width of 1.7 cm and a first thickness of 0.1 mm.
• a negative lead 30 of an electrically conductive material is attached in electrical contact with the anode 28 using an electrically conductive cement 32 that includes particles of metal.
• electrically conductive cement 32 are Two Part Conductive Silver Paint (Part No. 12642-14), sold by Electron Microscopy Sciences and Solder-It Aluminum Solder Paste, sold by SOLDER-IT, INC. of Pleasantville, New York.
• the negative lead 30 serves as a point of connection to conduct electrical current between the anode 28 and an external circuit for charging or discharging the battery device.
• the negative lead 30 could also serve as a point of connection to another battery cell as part of a multi-cell battery device.
• the negative lead 30 could be a wire, pad, terminal, or any other suitable means of making an electrical connection.
• a membrane 34 of cellulose having a thickness of 0.08 mm and defining a plurality of pores 36 is sandwiched parallel to and contacting the anode 28.
• the membrane 34 is an electrical insulator, but is permeable to dissolved ions 26, 27.
• the secondary battery device 22 also includes a cathode 38 having a rectangular shape with a second length of 1.4 cm and a second width of 1.9 cm and a second thickness of 0.1 mm.
• the cathode 38 is disposed adjacent and parallel to the membrane 34, with the membrane 34 sandwiched between the cathode 38 and the anode 28.
• the cathode 38 includes a carrier sheet 40 of cellulose and an electroactive layer 42 disposed upon and integrated within the carrier sheet 40 on the side facing the anode 28. In other words, the electroactive layer 42 coats the surface and extends into the structure of the carrier sheet 40.
• the electroactive layer 42 contains a host lattice 44 that defines a plurality of voids and includes a conjugated system with delocalized ⁇ electrons.
• a conjugated system is defined as a system of connected p-orbitals containing delocalized electrons in chemical compounds. More specifically, the conjugation is the overlapping of one p-orbital with another across adjacent single (sigma) bonds.
• One such compound that has such a conjugated system is graphite.
• Other compounds such as, but not limited to, polyaniline and polyconjugated linear hydrocarbon polymers also include the conjugated systems with overlapping p-orbitals.
• a dopant 48 that includes Aluminum Alcoholate and Aluminum Glycerate is bonded to the conjugated system of the host lattice 44 to alter the electrochemical properties of the electroactive layer 42 of the cathode 38 to increase the rate of the reactions with the first ions 26 and the second ions 27 for charging and discharging the secondary battery device 22.
• the dopant 48 is also intercalated in the host lattice 44 so that particles of the dopant 48 are embedded in the voids of the host lattice 44.
• a positive lead 50 containing graphite is electrically connected to the electroactive layer 42 of the cathode 38 for conducting electrical current between the cathode 38 and an external circuit for charging or discharging the battery.
• the positive lead 50 is electrically and mechanically attached to the electroactive layer 42 of the cathode 38 with a conductive adhesive 52 containing graphite.
• a conductive adhesive 52 is Graphite Conductive Adhesive 52 112 (Part No. 12693-30), sold by Electron Microscopy Sciences.
• the positive lead 50 is preferably made of a thin film strip of thermally expanded graphite.
• the positive lead 50 may also be a rod of graphite with a diameter of 0.1 mm.
• the positive lead 50 could also serve as a point of connection to another battery cell as part of a multi-cell battery device.
• the positive lead 50 could be constructed as a wire, pad, terminal, or any other suitable means of making an electrical connection. Conductors of metal should not be placed in direct contact with the electroactive layer 42 of the cathode 38 because some metals have been shown to migrate into the electroactive layer 42 and interfere with the functionality of the cathode 38 in charging and discharging the secondary battery device 22.
• the ions 26, 27 of Aluminum thereby comprise an ion current as they migrate between and react with the anode 28 and the cathode 38 to charge and discharge the battery.
• the host lattice 44 of the electroactive layer 42 comprises flakes 54 of graphite having particle size of 200 to 300 ⁇ and a binder material that is wettable by glycerol.
• Alkyl glue and acrylic glue are each suitable binder materials, and either may be used.
• the host lattice 44 of the electroactive layer 42 comprises particles of amorphous thermally expandable graphite and manganese dioxide and activated manganese dioxide and acetylene black and an electrically conductive paint including graphite and a binder material that is wettable by glycerol.
• Alkyl glue, acrylic glue, and conductive paint that includes graphite have each been found to be suitable binders.
• the host lattice 44 of the electroactive layer 42 includes a polyconjugated linear hydrocarbon polymer.
• the host lattice 44 of the electroactive layer 42 includes a cyclic polyconjugated chain polymer such as polyaniline.
• the present invention also provides a method for constructing a secondary battery device 22.
• the method includes the steps of making a foil 56 by heating a plate of
• the method proceeds with steps for processing and storing the foil 56, which include: rinsing the foil 56 with ethanol to remove surface contaminants therefrom, submerging the foil 56 in a 4mol solution of water and Hydroxide for one minute to remove any Aluminum Oxide from the surface of the foil 56, rinsing the foil 56 with water to remove all Hydroxide therefrom, subjecting the foil 56 to 70°C for 30 minutes to evaporate any moisture from it, and storing the foil 56 in an anhydrous environment to prevent oxidation.
• the foil 56 by dividing the foil 56 into a rectangular shape to define the anode 28 having a first length of 1.2 cm and a first width of 1.7 cm, and attaching a negative lead 30 to the anode 28 with a cement 32 of silver paint or aluminum solder paste.
• the method includes steps for constructing the battery device by wetting the membrane 34 with an electrolyte 24, and stacking the membrane 34 upon and parallel to the anode 28.
• the method includes the steps of making a cathode 38 by applying the cathodic mixture 60 in a thin film layer to one side of a carrier sheet 40 of cellulose to soak into the carrier sheet 40, subjecting the cathodic mixture 60 to a temperature of 50 to 60°C to solidify the cathodic mixture 60 into a host lattice 44 that is disposed upon and within the carrier sheet 40, wetting the host lattice 44 with a doping fluid 62 containing a dopant 48 to allow the dopant 48 to bond with and intercalate into the host lattice 44 to produce an electroactive layer 42, and attaching a positive lead 50 in electrical contact with the electroactive layer 42 of the cathode 38 with an adhesive 52 containing graphite.
• the method includes further steps for constructing the battery device by stacking the cathode 38 upon and parallel to the membrane 34 with the membrane 34 disposed between the anode 28 and the cathode 38.
• the method includes steps for producing an electrolyte 24 by dissolving Aluminum Perchlorate powder in glycerol to saturation to produce the electrolyte 24.
• the method also includes steps for producing the doping fluid 62 by dissolving A1C1 3 powder in ethanol to saturation to produce a background solution 66, combining 40 wt% of the background solution 66 with 60 wt% of glycerol to produce a binary solvent 68, grating 1 cm 3 of 99.4 to 99.9 wt% of Aluminum of 99.95 % purity and 0.1 to 0.6 wt% of Indium to make filings 70 with an equivalent surface area of 20 to 30 cm " , immersing the filings 70 in 150 to 200 ml of the binary solvent 68 until the filings 70 have dissolved to produce the doping fluid 62.
• the present invention also provides a first method for making the cathodic mixture 60 by mixing 5 wt% of alkyl glue with 60 wt% of ethanol with 35 wt% of flakes 54 of graphite.
• the present invention provides a second, alternative, method for making the cathodic mixture 60 by mixing amorphous thermally expandable graphite powder with 1 -5 wt% Mn0 2 with 1 -5 wt% activated Mn0 2 with 1-5 wt% acetylene black to make an intermediate mixture, and adding a binder of alkyl glue and ethanol or acrylic glue or graphite paint to the intermediate mixture to make the cathodic mixture 60 having a consistency of thick spreadable paste.

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Electrochemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Manufacturing & Machinery (AREA)
• Materials Engineering (AREA)
• Inorganic Chemistry (AREA)
• Physics & Mathematics (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• General Physics & Mathematics (AREA)
• Battery Electrode And Active Subsutance (AREA)
• Secondary Cells (AREA)
• Connection Of Batteries Or Terminals (AREA)
• Cell Separators (AREA)
• Primary Cells (AREA)

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• 2015
  • 2015-11-12 EP EP15858433.4A patent/EP3218953B1/en not_active Not-in-force
  • 2015-11-12 CN CN201580072753.6A patent/CN107112585A/zh active Pending
  • 2015-11-12 WO PCT/CA2015/000573 patent/WO2016074069A1/en not_active Ceased
  • 2015-11-12 CA CA2967501A patent/CA2967501A1/en not_active Abandoned
  • 2015-11-12 RU RU2017120036A patent/RU2689413C2/ru not_active IP Right Cessation
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