SE547368C2 - Process for preparing a cathode comprising a prussian blue analogue - Google Patents

Process for preparing a cathode comprising a prussian blue analogue

Info

Publication number
SE547368C2
SE547368C2 SE2351335A SE2351335A SE547368C2 SE 547368 C2 SE547368 C2 SE 547368C2 SE 2351335 A SE2351335 A SE 2351335A SE 2351335 A SE2351335 A SE 2351335A SE 547368 C2 SE547368 C2 SE 547368C2
Authority
SE
Sweden
Prior art keywords
ppm
cathode
process according
coated
active layer
Prior art date
Application number
SE2351335A
Other languages
Swedish (sv)
Other versions
SE2351335A1 (en
Inventor
Alexander Buckel
Olof Gustafsson
Ronnie Mogensen
Simon Leijonmarck
Tristan Luc Kipfer
Original Assignee
Altris Ab
Northvolt Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Altris Ab, Northvolt Ab filed Critical Altris Ab
Priority to SE2351335A priority Critical patent/SE547368C2/en
Priority to PCT/EP2024/083111 priority patent/WO2025109072A1/en
Publication of SE2351335A1 publication Critical patent/SE2351335A1/en
Publication of SE547368C2 publication Critical patent/SE547368C2/en

Links

Classifications

    • 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
    • H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0431—Cells with wound or folded electrodes
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • 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
    • 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
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • 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

Landscapes

  • 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)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

The present disclosure relates to an improved process for forming a cathode active layer comprising a Prussian blue analogue (PBA) material on a conductive foil. In particular, cathodes with consistent and homogenous coatings from slurries comprising PBA material dispersed in aqueous solvents are obtained.

Claims (20)

A process of preparing a cathode, said process comprising the following steps: (i) providing a conductive foil (4) on a first part of a manufacturing line (1) (ii) providing a slurry comprising a Prussian blue analogue (PBA) material and an aqueous solvent; (iii) preparing a coated foil (6) by applying the slurry onto at least one side of the conductive foil (4) to form a cathode active layer (5); drying said coated foil (6) until the adsorbed water content of the cathode active layer (5) is in the range of from about 12,000 ppm to about 50,000 ppm; and (šv) transferring the dried coated foil (6) under tension to a second part of the manufacturing line (2).
1. The process according to claim 1, wherein the coated foil (6) is transferred from the first part of the manufacturing line (1) to the second part of the manufacturing line (2) via tension rollers (7).
2. The process according to any one of claims 1 or 2, wherein the solvent is an aqueous solution.
3. The process according to any one of the preceding claims, wherein the coated foiljlfïg is dried in an oven (3).
4. The process according to any one of the preceding claims, wherein the adsorbed water content of the cathode active layer (5) of the dried coated foil (6) is in the range of from about 12,000 ppm to about 25,000 ppm, such as from 13,000 ppm to about 20,000 ppm, such as from about 14,000 ppm to about 18,000 ppm, such as from about 15,000 ppm to about 17,000 ppm, preferably about 16,000 ppm.
5. The process according to any one of the preceding claims, wherein the PBA material is of a chemical formula represented by AXPV[RZ(CN)6]W, wherein A is one or more selected from a group consisting of alkali metal ion and alkaline-earth metal ion, P and R are transition metals, 1
6. Internal
7. The process according to claim 6, wherein A is Na* or K+, preferably A is Na+.
8. The process according to any one of the preceding claims, wherein the slurry further comprises a binder and/or a conductive agent.
9. The process according to any one of the preceding claims, wherein the conductive foi| (4) is an aluminium foi|.
10. The process according to any one of the preceding claims, wherein the adsorbed water content is determined by measuring weight change of the coated foi| at 110°C.
11. The process according to any one of the preceding claims, wherein the coated foi| is combined with an anode and a separator to form an electrode assembly, preferably wherein the electrode assembly is formed ȉjgjgggcylindrical winding, prismatic winding or Z-folding.
12. The process of any preceding claim, wherein the water is removed from the cathode active layer to provide a cathode.
13. A cathode formed by the process of claim
14. A coated foi| wound on a roller, wherein the coated foi| comprises: - a conductive foi|; and - a cathode active layer comprising a PBA material, and optionally a binder and/or optionally a conductive agent; wherein the cathode active layer has a thickness of about 50 pm to about 500 pm and an adsorbed water content in the range of from about 12,000 ppm to about 50,000 ppm.
15. An electrode assembly comprising: a cathode precursor; a separator; and an anode,
16. Internal wherein the cathode precursor comprises a coated foil comprising: - a conductive foil; and - a cathode active layer comprising a PBA material, and optionally a binder and/or optionally a conductive agent; wherein the cathode active layer has a thickness of about 50 pm to about 500 pm and an adsorbed water content in the range of from about 12,000 ppm to about 50,000 ppm.
17. A sodium-ion cell comprising: - a cathode according to claim 14; - a separator; and - an anode.
18. A battery comprising the sodium-ion cell according to claim
19. A vehicle comprising the sodium-ion cell according to claim 17 or the battery according to claim
20. A stationary energy storage system comprising the sodium-ion cell according to claimor the battery according to claim 18.
SE2351335A 2023-11-21 2023-11-21 Process for preparing a cathode comprising a prussian blue analogue SE547368C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE2351335A SE547368C2 (en) 2023-11-21 2023-11-21 Process for preparing a cathode comprising a prussian blue analogue
PCT/EP2024/083111 WO2025109072A1 (en) 2023-11-21 2024-11-21 Process for preparing a cathode comprising a prussian blue analogue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2351335A SE547368C2 (en) 2023-11-21 2023-11-21 Process for preparing a cathode comprising a prussian blue analogue

Publications (2)

Publication Number Publication Date
SE2351335A1 SE2351335A1 (en) 2025-05-22
SE547368C2 true SE547368C2 (en) 2025-07-15

Family

ID=93843393

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2351335A SE547368C2 (en) 2023-11-21 2023-11-21 Process for preparing a cathode comprising a prussian blue analogue

Country Status (2)

Country Link
SE (1) SE547368C2 (en)
WO (1) WO2025109072A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531744A (en) * 2012-07-05 2014-01-22 苏州宝时得电动工具有限公司 Battery plate and electrode manufacturing method
EP3503264A1 (en) * 2017-12-19 2019-06-26 Contemporary Amperex Technology Co., Limited Positive electrode plate and electrochemical battery
US11205771B2 (en) * 2017-12-01 2021-12-21 Lg Chem, Ltd. Method for preparing electrode for secondary battery
WO2022226892A1 (en) * 2021-04-29 2022-11-03 宁德时代新能源科技股份有限公司 Prussian blue analogue having core-shell structure, preparation method therefor and sodium-ion secondary battery containing prussian blue analogue
CN116216746A (en) * 2023-02-15 2023-06-06 深圳华钠新材有限责任公司 A kind of preparation method and application of Prussian blue material with high thermal stability
CN116425175A (en) * 2023-04-23 2023-07-14 广东凯金新能源科技股份有限公司 Prussian white positive electrode material preparation method, positive electrode material and secondary battery
CN116759539A (en) * 2023-06-14 2023-09-15 宁波容百新能源科技股份有限公司 Positive electrode plate of secondary battery and preparation method thereof, secondary battery

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109728252B (en) * 2017-10-30 2020-10-13 宁德时代新能源科技股份有限公司 Positive plate, preparation method thereof and sodium ion battery
EP4170741A1 (en) * 2021-10-20 2023-04-26 Altris AB A method for manufacturing a sodium or potassium ion battery cell

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531744A (en) * 2012-07-05 2014-01-22 苏州宝时得电动工具有限公司 Battery plate and electrode manufacturing method
US11205771B2 (en) * 2017-12-01 2021-12-21 Lg Chem, Ltd. Method for preparing electrode for secondary battery
EP3503264A1 (en) * 2017-12-19 2019-06-26 Contemporary Amperex Technology Co., Limited Positive electrode plate and electrochemical battery
WO2022226892A1 (en) * 2021-04-29 2022-11-03 宁德时代新能源科技股份有限公司 Prussian blue analogue having core-shell structure, preparation method therefor and sodium-ion secondary battery containing prussian blue analogue
CN116216746A (en) * 2023-02-15 2023-06-06 深圳华钠新材有限责任公司 A kind of preparation method and application of Prussian blue material with high thermal stability
CN116425175A (en) * 2023-04-23 2023-07-14 广东凯金新能源科技股份有限公司 Prussian white positive electrode material preparation method, positive electrode material and secondary battery
CN116759539A (en) * 2023-06-14 2023-09-15 宁波容百新能源科技股份有限公司 Positive electrode plate of secondary battery and preparation method thereof, secondary battery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
D1: Jansson, P. "Prussian White in Sodium-ion Batteries", Master Thesis, KTH, School of Electrical Engineering and Computer Science, 2021, Jul., Available from DiVA 2021-11-02. *

Also Published As

Publication number Publication date
WO2025109072A1 (en) 2025-05-30
SE2351335A1 (en) 2025-05-22

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