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WO2015079689A1 - Batterie alcaline/oxydant à forte capacité - Google Patents

Batterie alcaline/oxydant à forte capacité Download PDF

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Publication number
WO2015079689A1
WO2015079689A1 PCT/JP2014/005924 JP2014005924W WO2015079689A1 WO 2015079689 A1 WO2015079689 A1 WO 2015079689A1 JP 2014005924 W JP2014005924 W JP 2014005924W WO 2015079689 A1 WO2015079689 A1 WO 2015079689A1
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Prior art keywords
battery
cathode
alkali
anode
alkali metal
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PCT/JP2014/005924
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English (en)
Inventor
Yuhao Lu
Hidayat Kisdarjono
Jong-Jan Lee
David R. Evans
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Sharp Corp
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Sharp Corp
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Priority claimed from US14/092,048 external-priority patent/US20140075745A1/en
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to CN201480064329.2A priority Critical patent/CN105765780A/zh
Priority to JP2016535056A priority patent/JP2016539473A/ja
Publication of WO2015079689A1 publication Critical patent/WO2015079689A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
    • H01M10/38—Construction or manufacture
    • 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
    • H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
    • 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
    • H01M4/24—Electrodes for alkaline accumulators
    • 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
    • H01M4/24—Electrodes for alkaline accumulators
    • H01M4/32—Nickel oxide or hydroxide electrodes
    • 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
    • H01M4/381—Alkaline or alkaline earth metals elements
    • 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
    • H01M4/381—Alkaline or alkaline earth metals elements
    • H01M4/382—Lithium
    • 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 generally relates to electrochemical cells and, more particularly, to a battery formed from an alkali anode and cathode including nickel, magnesium, or iron.
  • a battery is an electrochemical device in which electrons and ions commute between the anode and cathode to realize electrochemical reactions.
  • the voltage and capacity of the battery are determined by the electrode materials.
  • all the components including anode materials, cathode materials, separator, electrolyte, and current collectors are packed into a volume-fixed container. Its energy and capacity of are unchangeable as long as the battery is assembled.
  • a flow-through battery consists of current collectors (electrodes) separated by an ion exchange membrane, while its anode and cathode materials are stored in separate storage tanks. The anode and cathode materials are circulated through the flow-through battery in which electrochemical reactions take place to deliver and to store energy.
  • the battery capacity and energy are determined by (1) electrode materials (anolyte and catholyte), (2) the concentrations of anolyte and catholyte, and (3) the volumes of anolyte and catholyte storage tanks.
  • electrode materials anolyte and catholyte
  • concentrations of anolyte and catholyte concentrations of anolyte and catholyte
  • volume of anolyte and catholyte storage tanks Conventional state-of-the-art anode and cathode materials typically react with an aqueous or non-aqueous solution (electrolyte) containing some redox couples.
  • metals as anode materials can achieve a high voltage in the battery while their low molecular weight provides a large capacity.
  • lithium has the most negative potential of -3.04 volts (V) vs. H 2 /H + and the highest capacity of 3860 milliamp hours per gram (mAh/g). High voltage and large capacity lead to an overall high energy for the battery.
  • sodium, potassium, magnesium, nickel, zinc, calcium, aluminum, etc. are good candidates as the anode materials in metal-ion batteries.
  • the state-of-the-art cathode materials focus on the metal-ion host compounds. Metal-ions can be extracted from the interstitial spaces of the electrode materials in the charge process and inserted into the materials during the discharge process. However, it is worth noting that the charge/discharge process severely distorts the lattice of the materials, which essentially destroys their structures following several cycles. Moreover, these cathode materials can only provide less than one tenth capacities of the metal anode materials. Therefore, new cathode materials need to be developed in order to (1) match the higher capacities of the anode materials and (2) exhibit long cycle lives for the metal-ion batteries.
  • Lu and Goodenough revealed an aqueous cathode for a lithium-ion battery [NPL2]. They used aqueous solutions of water-soluble redox couples, for example, Fe(CN) 6 3- /Fe(CN) 6 4- as the cathode.
  • the lithium/aqueous cathode battery operated at ca. 3.4 volts in an ambient environment. The battery demonstrated a small overpotential, a high coulombic efficiency, and a long cycle life.
  • water is an inert material in the electrochemical system, which reduces the specific capacity of the cathode.
  • the design of a lithium/flow-through cathode battery can increase the capacity and energy, its volume must necessarily be large.
  • Ni(OH) 2 was used as the cathode to match a lithium anode [NPL3].
  • the Li/Ni(OH) 2 battery has to be charged so that Ni(OH) 2 can be oxidized to NiOOH along the reaction: At the same time, the following reaction occurs: in which lithium-ions come are sourced from the electrolyte.
  • the battery capacity is limited by the Li-ion concentration in electrolytes, although Ni(OH) 2 experimentally demonstrate a high capacity of 260 mAh/g.
  • the capacity advantage of the Li/Ni battery is limited by the Li-ion concentration in the electrolyte.
  • NiOOH could be used as the cathode material in a battery with a lithium anode, so that the capacity of a Li/Ni battery is determined by the amount of NiOOH in the cathode at fabrication.
  • an alkali/oxidant battery comprising: an anode including a reduced first alkali metal in a battery charged state; an anolyte; a cathode including an element, in the battery charged state, selected from a group consisting of nickel oxyhydroxide (NiOOH), magnesium(IV) oxide (Mn (4+) O 2 ), and iron(III) oxyhydroxide (Fe (3+) (OH) 3 ); a catholyte including a first alkali metal hydroxide; and, a first alkali metal ion permeable separator interposed between the anolyte and the catholyte.
  • NiOOH nickel oxyhydroxide
  • Mn (4+) O 2 magnesium(IV) oxide
  • Fe (3+) (OH) 3 iron(III) oxyhydroxide
  • a method for creating alkali/oxidant battery capacity comprising: forming a battery in a charged state having a first alkali metal anode, an anolyte, a first alkali metal ion permeable separator, and a cathode including an oxidized element selected from a group consisting of nickel oxyhydroxide (NiOOH), magnesium (IV) oxide (Mn (4+) O 2 ), and iron(III) oxyhydroxide (Fe (3+) (OH) 3 ), and a catholyte including a first alkali metal hydroxide; creating a first battery capacity, where the first battery capacity is responsive to an amount of oxidized element in the cathode and reduced first alkali metal at the anode.
  • NiOOH nickel oxyhydroxide
  • Mn (4+) O 2 magnesium
  • iron(III) oxyhydroxide Fe (3+) (OH) 3
  • a lithium (Li)/nickel (Ni) battery comprising: an anode including reduced Li in a battery charged state; an anolyte; a cathode including Ni oxyhydroxide (Ni(OH) 2 ) in the battery discharged state and nickel oxyhydroxide (NiOOH) in a battery charged state; a catholyte including LiOH; and, a lithium ion (Li + ) permeable separator interposed between the anolyte and the catholyte.
  • Fig. 1 is a partial cross-sectional view of a charged alkali/oxidant battery.
  • Fig. 2 is a partial cross-sectional view of the alkali/oxidant battery in the discharged state.
  • Fig. 3A is partial cross-sectional view depicting an alkali/oxidant battery where the anode is a material dissolved in the anolyte.
  • Fig. 3B is partial cross-sectional view depicting an alkali/oxidant battery where the anode is a material dissolved in the anolyte.
  • Fig. 4A is partial cross-sectional view of an alkali/oxidant battery where the catholyte and cathode are the same element, comprising a cathode slurry.
  • Fig. 1 is a partial cross-sectional view of a charged alkali/oxidant battery.
  • Fig. 2 is a partial cross-sectional view of the alkali/oxidant battery in the discharged state.
  • FIG. 4B is partial cross-sectional view of an alkali/oxidant battery where the catholyte and cathode are the same element, comprising a cathode slurry.
  • Fig. 5 is partial cross-sectional view of an alternative alkali/oxidant battery using a cathode slurry.
  • Fig. 6 is partial cross-sectional view of an alternative alkali/oxidant battery using a cathode slurry.
  • Fig. 7 is a schematic block diagram depicting a plurality of cells.
  • Fig. 8 is a partial cross-sectional schematic block diagram depicting the alkali/oxidant battery from a different perspective.
  • FIG. 9 is a partial cross-section schematic block diagram depicting a flowthrough battery with a cathode slurry.
  • Fig. 10 is a partial cross-sectional schematic block diagram of several blocks of batteries connected by pipelines to a slurry reservoir.
  • Fig. 11 is a flowchart illustrating a method for creating alkali/oxidant battery capacity.
  • a lithium anode battery that uses nickel oxyhydroxide (NiOOH), magnesium(IV) (oxide Mn (4+) O 2 ), or iron(III) oxyhydroxide (Fe (3+) (OH) 3 ) as the cathode material in an alkali metal anode battery.
  • NiOOH nickel oxyhydroxide
  • magnesium(IV) oxide Mn (4+) O 2
  • iron(III) oxyhydroxide Fe (3+) (OH) 3
  • the cathode material may be fixed as a solid on a current collector and also can be made as a slurry catholyte, which flows through cathode side of the battery, permitting the battery to be rapidly charged using a mechanical (as opposed to an electrical/chemical) method.
  • an alkali/oxidant battery is provided.
  • the battery is made from an anode including a reduced first alkali metal lithium (Li), sodium (Na), and potassium (K), when the battery is charged.
  • the cathode of battery includes an element, in the battery charged state, such as NiOOH, Mn (4+) O 2 , or Fe (3+) (OH) 3 , with an alkali metal hydroxide in the catholyte.
  • An alkali metal ion permeable separator is interposed between the anolyte and the catholyte.
  • the cathode includes nickel(II) hydroxide (Ni(OH) 2 ) in a battery discharged state, then it includes NiOOH in a battery charged state.
  • the anolyte may include dissolved lithium ions (Li + ) in a discharged state, with solid phase reduced Li formed on the anode in the battery charged state.
  • the cathode and catholyte are the same element, formed a cathode slurry, with a cathode current collector submerged in the cathode slurry.
  • a cell includes the anode, anolyte, and separator, and a cathode slurry reservoir connected to the cell input and output ports to supply an oxidized cathode slurry when the battery is electrically charged, or discharging under load, and a reduced cathode slurry when the battery is being electrically charged.
  • a plurality of cells may be connected in series or parallel electrical connections.
  • Fig. 1 is a partial cross-sectional view of a charged alkali/oxidant battery.
  • the battery 100 comprises an anode 102 including a reduced first alkali metal 104, in the battery charged state, and an anolyte 106.
  • the battery 100 further comprises a cathode 110 including, in the battery charged state, an oxidized material 113 such as nickel oxyhydroxide (NiOOH), magnesium(IV) oxide (Mn (4+) O 2 ), or iron(III) oxyhydroxide (Fe (3+) (OH) 3 ), and a catholyte 111 including a first alkali metal hydroxide 108.
  • NiOOH nickel oxyhydroxide
  • Mn (4+) O 2 magnesium(IV) oxide
  • Fe (3+) (OH) 3 iron(III) oxyhydroxide
  • the first alkali metal hydroxide is schematically represented as an oval element within the catholyte 111, for the sake of simplicity.
  • These cathode materials are insoluble in water, to promote stable cycling. They have a well-defined potential associated with the redox couple, and a low molecular weight to promote a high energy density.
  • the catholyte may be aqueous because at the potential at which the redox occurs, water suffices, as it does not react or breakdown. Further, water is cheap and non-flammable, unlike organic electrolytes.
  • a first alkali metal ion permeable separator 112 is interposed between the anolyte 106 and the catholyte 111.
  • the anolyte typically includes an organic solvent, such as ethylene carbonate, diethyelene carbonate, or a mixture of the two.
  • an organic solvent such as ethylene carbonate, diethyelene carbonate, or a mixture of the two.
  • a lithium salt such as LiPF 6
  • the separator 112 is a permeable membrane placed between the anode 102 and cathode 110 to keep the two electrodes apart, preventing electrical short circuits, while allowing the transport of ionic charge carriers that are needed to close the circuit during the passage of current in the battery 100.
  • the separator 112 may be a polymeric membrane forming a microporous layer. It is typically chemically and electrochemically stable with regard to the anolyte and catholyte materials.
  • Fig. 2 is a partial cross-sectional view of the alkali/oxidant battery in the discharged state.
  • a battery is in a charged state when electrochemically active materials in the cathode are in an oxidized state and electrochemical materials in anode are in a reduced state.
  • electrochemically active materials in the cathode are in a reduced state and electrochemical materials in the anode are in an oxidized state.
  • a battery is charged when, upon providing an external connection through a load between the cathode and anode, spontaneous electrochemical reactions occur such that current flows from cathode to anode (or electrons from anode to cathode).
  • the battery 100 operates as a result of redox reactions involving oxidation, which is the loss of electrons or an increase in oxidation state by a molecule, atom, or ion, and reduction, which is the gain of electrons or a decrease in oxidation state by a molecule, atom, or ion.
  • the cathode 110 includes a reduced element 200, such as nickel(II) hydroxide (Ni(OH) 2 ) in the battery discharged state and an oxidized element 113, such as NiOOH, in the battery charged state.
  • the anolyte 106 may include alkali metal ions 202, such as lithium ions (Li + ), in the battery discharged state. More generally, the anolyte 106 in the battery discharged state includes alkali metals ion 202 such as lithium ions (Li + ), sodium ions (Na + ), or potassium ions (K + ). In the battery charged state, the anode 102 includes a solid phase reduced alkali metal 104, respectively, Li, Na, or K.
  • the cathode 110 includes magnesium(IV) oxide (Mn (4+) O 2 ) 113 in the battery charged state and magnesium (III) oxyhydroxide (Mn (+3) OOH) 200 in the battery discharged state.
  • the cathode 110 includes Fe (3+) (OH) 3 113 in the battery charged state and iron(II) oxyhydroxide (Fe (2+) (OH) 2 ) 200 in the battery discharged state.
  • Figs. 1 and 2 depict the alkali/oxidant battery with an active material solid phase anode and active material cathode.
  • active material it is meant that anode 102 and cathode 110 react, respectively, with the anolyte 106 and catholyte 111 in the redox reactions that enable the battery to charge and discharge.
  • the anode 102 and cathode 110 may be formed overlying a current collector.
  • the anode 102 is a reduced solid phase alkali metal 104 such as Li, Na, or K when the battery is in the charged state.
  • the cathode 110 includes Mn (4+) O 2 113 in the battery charged state and Mn (+3) OOH 200 in the battery discharged state.
  • the cathode 110 includes Fe (3+) (OH) 3 113 in the battery charged state and Fe (2+) (OH) 2 200 in the battery discharged state.
  • the cathode 110 in the battery charged state is NiOOH 113, and in the battery discharged state it is Ni(OH) 2 200.
  • Ni(OH) 2 powder may be mixed with a binder (a polymer) and a conductive carbon (carbon black or graphite or carbon fiber) in water to form a paste that is applied to current collector (nickel foil or nickel foam). The cathode is pressed and heated to dry out water.
  • the cathode 110 is referred to herein as solid, but it has microscopic pores into which catholyte 111 penetrate via capillary force.
  • Figs. 3A and 3B are partial cross-sectional views depicting an alkali/oxidant battery where the anode is a material dissolved in the anolyte.
  • the cathode 110 and catholyte 111 are as described above in the explanation of Figs. 1 and 2, except a cathode current collector 300 is explicitly shown.
  • the anode in the battery charged state (Fig. 3A) comprises reduced alkali metal 104 (i.e. Li, Na, or K) formed on current collector 302.
  • alkali metal ions 202 i.e. Li + , Na + , or K +
  • no alkali metal necessarily adheres on the current collector 302.
  • Figs. 4A and 4B are partial cross-sectional views of an alkali/oxidant battery where the catholyte and cathode are the same element, comprising a cathode slurry.
  • a cathode current collector 300 is submerged in the cathode slurry 110/111.
  • the anode 102 and anolyte 106 are the same as described above in the explanation of Figs. 1 and 2, and the explanations are not repeated in the interest of brevity.
  • a cell 400 comprises the anode 102, the anolyte 106, the first alkali metal ion permeable separator 112, an input port 402 and an output port 404.
  • a cathode slurry reservoir 406 is connected to the cell input 402 and output 404 ports to supply an oxidized cathode slurry 113 in the battery charged state (Fig. 4A), or to maintain a charge under an electrical load, and a reduced cathode slurry 200 when the battery is in the discharge state (Fig. 4B), or when it being electrically charged.
  • the oxidized cathode slurry 113 and reduced cathode slurry 200 are schematically represented as ovals within the cathode slurry 110/111.
  • FIGs. 5 and 6 are partial cross-sectional views of an alternative alkali/oxidant battery using a cathode slurry.
  • the anode 102 and anolyte 106 are the same as described above in the explanation of Figs. 3A and 3B, and the explanations are not repeated in the interest of brevity.
  • a cell 400 comprises the anode 102, the anolyte 106, the first alkali metal ion permeable separator 112, an input port 402 and an output port 404.
  • a cathode slurry reservoir 406 is connected to the cell input 402 and output 404 ports to supply an oxidized cathode slurry 113 in the battery charged state (Fig. 5), to maintain a charge under an electrical load, and a reduced cathode slurry 200 when the battery is in the discharge state (Fig. 6), or when it is being electrically charged.
  • Fig. 7 is a schematic block diagram depicting a plurality of cells. Shown are cells 700-0 through 700-n, where n is an integer greater than one, but not otherwise limited to any particular value.
  • the cells 700-0 through 700-n are shown electrically connected in series, but alternatively (not shown), they may be electrically connected in parallel.
  • the cathode slurry reservoir 406 and the plurality of cells 700-0 through 700-n are connected in parallel to transport the cathode slurry 110/111.
  • the cells may be connected in series with the slurry reservoir.
  • Fig. 8 is a partial cross-sectional schematic block diagram depicting the alkali/oxidant battery from a different perspective.
  • NiOOH is used as the cathode material 802 in a lithium/nickel battery 800.
  • the battery 800 comprises a lithium metal anode 804 and a NiOOH cathode 802 separated by a Li-ion permeable separator 806 that conveys Li-ions 808 between anode 804 and cathode 802 sides.
  • the lithium/NiOOH battery 800 has to be discharged after initial assembly, with the electrochemical reactions:
  • the capacity of Li/NiOOH battery of Fig. 8 is only determined by the active materials in the electrodes.
  • the anode is Li
  • cathode is Ni(OH) 2
  • the electrolyte has LiOH.
  • the first reaction after battery assembly must be the process of charging the battery.
  • the LiOH in the electrolyte is dissociated, Li + moves to the anode side and becomes plated on the Li metal anode, OH - ions react with Ni(OH) 2 , resulting in NiOOH and H 2 O.
  • the capacity of the battery is determined by the amount of LiOH added to the liquid electrolyte.
  • the anode is Li metal and the cathode is NiOOH.
  • the first reaction after battery assembly is to discharge battery 800.
  • the Li + dissolves into anolyte at the anode side and moves to cathode side.
  • the cathode material NiOOH reacts and results in Ni(OH) 2 .
  • the battery capacity is limited by the original amount of Li or NiOOH present when the battery is fabricated. Since the Li has very large capacity (>3000 mAh/g), greater than the LiOOH cathode (261 mAh/g), the Li/NiOOH battery capacity is determined by the original amount of NiOOH at the cathode. Therefore, the initially charged battery with NiOOH cathode has a much higher capacity than that one in NPL 3, that is initially discharged with a Ni(OH) 2 electrode and a LiOH liquid electrolyte.
  • Fig. 9 is a partial cross-section schematic block diagram depicting a flowthrough battery with a cathode slurry.
  • the flowthrough battery 900 of Fig. 9 forms NiOOH as a slurry catholyte 902 that can be fed into the cathode current collector 904 to match the high capacity of lithium anode 804.
  • Carter and Chiang disclosed the use of a flowable slurry as the electrode materials in batteries.
  • the flowthrough Li/NiOOH battery 900 consists of lithium anode 804, and a cathode compartment separator of a Li-ion permeable membrane or a Li-ion conducting solid electrolyte 806. During the discharge, NiOOH is reduced to Ni(OH) 2 .
  • the battery 900 can continue to generate electric powder.
  • the anode compartment can be also easily disassembled for the anode to be replaced, realizing a mechanical charge.
  • the current collector 904 may additionally be comprised of the wall of the compartment containing the slurry.
  • Fig. 10 is a partial cross-sectional schematic block diagram of several blocks of batteries connected by pipelines to a slurry reservoir.
  • Each block 1002 includes a plurality of flowthrough batteries 900 electrically connected in parallel.
  • the blocks 1002 can be electrically connected in series, as shown, to form battery stack 1000.
  • Several blocks 1002 can be connected by the pipe lines in parallel (as shown) or series to circulate NiOOH slurry catholyte.
  • the stack 1000 can also be mechanically charged with Li-anode replacement and NiOOH slurry catholyte replenishment.
  • slurry cathode During discharge, slurry cathode enters in an oxidized state (NiOOH) and the anode is metallic Li (in reduced state). Slurry leaves in a reduced state (Ni(OH) 2 . Subsequently, the battery can be charged by reversing the flow of slurry, i.e., Ni(OH) 2 enters in reduced state and leaves in oxidized state (NiOOH).
  • Metallic Li dissolves when it is oxidized, i.e., Li + is soluble in an aqueous electrolyte.
  • the battery has a high capacity, determined by the amount of solid metal anode (as opposed to concentration of alkali metal ion in electrolyte solution, which would be much smaller).
  • metallic Li dissolves when it is reduced, i.e., Li + is soluble in an aqueous electrolyte. So it is possible to build a battery with no solid anode, just a current collector of suitable material.
  • the metal ions (oxidized) are dissolved in anolyte solution.
  • slurry cathode enters in a reduced state (Ni(OH) 2 ) as the anode is oxidized.
  • the battery can be discharged by reversing the flow of slurry, i.e., NiOOH enters in oxidized state and leaves in reduced state (Ni(OH) 2 ).
  • Metallic Li plates on the current collector when it is reduced.
  • the battery capacity is determined by concentration of metal ions in the electrolyte solution.
  • Fig. 11 is a flowchart illustrating a method for creating alkali/oxidant battery capacity. Although the method is depicted as a sequence of numbered steps for clarity, the numbering does not necessarily dictate the order of the steps. It should be understood that some of these steps may be skipped, performed in parallel, or performed without the requirement of maintaining a strict order of sequence. Generally however, the method follows the numeric order of the depicted steps. The method starts at Step 1100.
  • Step 1102 forms a battery in a charged state having a first alkali metal anode, an anolyte, a first alkali metal ion permeable separator, and a cathode including an oxidized element.
  • the oxidized element may be nickel oxyhydroxide (NiOOH), magnesium(IV) oxide (Mn (4+) O 2 ), or iron(III) oxyhydroxide (Fe (3+) (OH) 3 ).
  • the battery further comprises a catholyte including a first alkali metal hydroxide.
  • the cathode and catholyte are a cathode slurry.
  • Step 1104 creates a first battery capacity, where the first battery capacity is responsive to the amount of oxidized element in the cathode and reduced first alkali metal at the anode.
  • Step 1102 forms a battery, in the charged state, with a NiOOH cathode, and a reduced first alkali metal (X) anode, where X is lithium (Li), sodium (Na), or potassium (K). Then, Step 1006 discharges the battery by performing the following reactions:
  • Step 1102 forms a battery, in the charged state, with a Mn (4+) O 2 cathode, and a reduced first alkali metal (X) anode, where X is Li, Na, or K.
  • discharging the battery in Step 1106 includes performing the following reactions:
  • Step 1102 forms a battery, in the charged state, with a Fe (3+) (OH) 3 cathode, and a reduced first alkali metal (X) anode, where X is Li, Na, or K. Then, discharging the battery in Step 1106 includes performing the following reactions:
  • discharging the battery in Step 1106 includes forming the anolyte with lithium ions (Li + ), sodium ions (Na + ), or potassium ion (K + ) dissolved in the anolyte.

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  • Inert Electrodes (AREA)

Abstract

L'invention concerne une batterie alcaline/oxydant ainsi qu'un procédé associé de création de capacité de batterie. La batterie est constituée d'une anode incluant un premier métal alcalin réduit tel que le lithium (Li), le sodium (Na) et le potassium (K), lorsque la batterie est chargée. Le catholyte de la batterie comprend un élément, dans l'état chargé de la batterie, tel que l'oxy-hydroxyde de nickel (NiOOH), le magnésium(IV) (oxyde Mn(4+)O2) ou l'oxy-hydroxyde de fer (III) (Fe(3+)(OH)3), avec l'hydroxyde du métal alcalin. Un séparateur perméable aux ions de métal alcalin est interposé entre l'anolyte et le catholyte. Si le catholyte contient de l'hydroxyde de nickel(II) (Ni(OH)2) dans un état déchargé de la batterie, par exemple, il contient alors du NiOOH dans un état chargé de la batterie. Pour continuer avec cet exemple, l'anolyte peut contenir des ions de lithium (Li+) dissous dans un état déchargé, du Li réduit en phase solide étant formé sur l'anode dans l'état chargé de la batterie.
PCT/JP2014/005924 2013-11-27 2014-11-26 Batterie alcaline/oxydant à forte capacité Ceased WO2015079689A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480064329.2A CN105765780A (zh) 2013-11-27 2014-11-26 高容量碱金属/氧化剂电池
JP2016535056A JP2016539473A (ja) 2013-11-27 2014-11-26 高容量アルカリ／オキシダント電池

Applications Claiming Priority (2)

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US14/092,048 US20140075745A1 (en) 2012-08-01 2013-11-27 High Capacity Alkali/Oxidant Battery
US14/092,048 2013-11-27

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WO2015079689A1 true WO2015079689A1 (fr) 2015-06-04

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JP6904176B2 (ja) * 2017-09-01 2021-07-14 トヨタ自動車株式会社 二次電池の再利用方法および二次電池システム
CN112952172B (zh) * 2019-12-10 2023-09-26 中国科学院大连化学物理研究所 一种碱性铁镍液流电池
JP7534672B2 (ja) * 2020-11-11 2024-08-15 日本電信電話株式会社 鉄亜鉛電池

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