SG11202000093PA - Anode slurry for lithium ion battery - Google Patents

Anode slurry for lithium ion battery

Info

Publication number
SG11202000093PA
SG11202000093PA SG11202000093PA SG11202000093PA SG11202000093PA SG 11202000093P A SG11202000093P A SG 11202000093PA SG 11202000093P A SG11202000093P A SG 11202000093PA SG 11202000093P A SG11202000093P A SG 11202000093PA SG 11202000093P A SG11202000093P A SG 11202000093PA
Authority
SG
Singapore
Prior art keywords
international
ho1m
ion battery
anode slurry
lithium
Prior art date
Application number
SG11202000093PA
Inventor
Kam Piu Ho
Ranshi Wang
Peihua Shen
Original Assignee
Grst Int Ltd
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 Grst Int Ltd filed Critical Grst Int Ltd
Publication of SG11202000093PA publication Critical patent/SG11202000093PA/en

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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
    • 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
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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
    • H01M10/052—Li-accumulators
    • 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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/621—Binders
    • 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
    • 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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • 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
    • H01M2004/027—Negative 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • 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
    • 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
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • 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)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Chemistry (AREA)
  • Secondary Cells (AREA)

Abstract

WIPOI PCT 200 400 600 800 Cycle Numbers 1 000 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) ~~~~~~~~~~~~~ v111111010VIIIOH ioloolliviu minim ono Hs (10) International Publication Number WO 2018/068663 Al (19) World Intellectual Property Organization International Bureau (43) International Publication Date 19 April 2018 (19.04.2018) (51) International Patent Classification: No. 2 Science Park West Avenue, Hong Kong Science Park, HO1M 4/04 (2006.01) HO1M 4/48 (2010.01) Shatin, New Territories, Hong Kong (CN). SHEN, Peihua; HO1M 4/58 (2010.01) HO1M 4/62 (2006.01) No. 1 Building, No. 19 Street, Fengxiangyuan, Phoenix (21) International Application Number: PCT/CN2017/104248 City, Xintang, Zengcheng, Guangzhou, Guangdong 511340 (CN). (74) Agent: YONG HUI INTELLECTUAL PROPERTY; (22) International Filing Date: HUANG, Xin, Room 614, 6/F, Hualian Building, No. 2008 29 September 2017 (29.09.2017) Shennan Middle Road, Futian District, Shenzhen, Guang- dong 518031 (CN). (25) Filing Language: English (81) Designated States (unless otherwise indicated, for every (26) Publication Language: English kind of national protection available): AE, AG, AL, AM, (30) Priority Data: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 62/406,405 11 October 2016 (11.10.2016) US CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (71) Applicant: GRST INTERNATIONAL LIMITED HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, [CN/CN]; Room 2201-2203, 22/F, Yardley Commercial KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, Building, 3 Connaught Road West, Sheung Wan, Hong MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, Kong (CN). OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (72) Inventors: HO, Kam Piu; Unit 107, 1/F, Bio-Infonnat- SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, ics Centre, No. 2 Science Park West Avenue, Hong Kong TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. Science Park, Shatin, New Territories, Hong Kong (CN). WANG, Ranshi; Unit 107, 1/F, Bio-Infoiinatics Centre, (54) Title: ANODE SLURRY FOR LITHIUM ION BATTERY 10000 9500 7000 < 9000 >, 8500 8000 cc5 0 0) 7500 • — 0 . 3 C .2= u) 6500 6000 Figure 1 (57) : Provided herein is a lithium-ion battery anode slurry, comprising: an anode active material, a conductive agent, a binder material, and a solvent, wherein the anode active material has a particle size D50 in the range from about 10 um to about 40 um, and wherein the slurry coated onto a current collector having a wet film thickness of about 100 um has a drying time of about 5 minutes or less under an environment having a temperature of about 60 °C to about 90 °C and a relative humidity of about 25% to about 40%. The anode slurry disclosed herein has homogeneous ingredient dispersion and quick drying capability for making a lithium-ion battery with high quality and consistent performance. In addition, these properties of the anode slurry increase productivity and reduce the cost of manufacturing lithium-ion batteries. 00 O 1 00 -1 O [Continued on next page] WO 2018/068663 Al MIDE111111111101111111111111111111111111111111 HIM Ell VIII 1111111110111111111111 (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))
SG11202000093PA 2016-10-11 2017-09-29 Anode slurry for lithium ion battery SG11202000093PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662406405P 2016-10-11 2016-10-11
PCT/CN2017/104248 WO2018068663A1 (en) 2016-10-11 2017-09-29 Anode slurry for lithium ion battery

Publications (1)

Publication Number Publication Date
SG11202000093PA true SG11202000093PA (en) 2020-02-27

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SG11202000093PA SG11202000093PA (en) 2016-10-11 2017-09-29 Anode slurry for lithium ion battery

Country Status (8)

Country Link
US (1) US10727489B2 (en)
EP (1) EP3526845A4 (en)
JP (1) JP2019535110A (en)
KR (1) KR102319176B1 (en)
CN (1) CN109923697B (en)
SG (1) SG11202000093PA (en)
TW (1) TW201824622A (en)
WO (1) WO2018068663A1 (en)

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Publication number Publication date
CN109923697A (en) 2019-06-21
EP3526845A4 (en) 2020-05-06
TW201824622A (en) 2018-07-01
US20190229338A1 (en) 2019-07-25
CN109923697B (en) 2022-11-18
WO2018068663A1 (en) 2018-04-19
KR102319176B1 (en) 2021-10-29
EP3526845A1 (en) 2019-08-21
JP2019535110A (en) 2019-12-05
US10727489B2 (en) 2020-07-28
KR20190061013A (en) 2019-06-04

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