SE546694C2 - A method for producing a carbon enriched material from lignin - Google Patents

A method for producing a carbon enriched material from lignin

Info

Publication number
SE546694C2
SE546694C2 SE2330272A SE2330272A SE546694C2 SE 546694 C2 SE546694 C2 SE 546694C2 SE 2330272 A SE2330272 A SE 2330272A SE 2330272 A SE2330272 A SE 2330272A SE 546694 C2 SE546694 C2 SE 546694C2
Authority
SE
Sweden
Prior art keywords
lignin
carbon
enriched material
composite material
fraction
Prior art date
Application number
SE2330272A
Other versions
SE2330272A1 (en
Inventor
Mats Lindström
Stephan Walter
Vilhelm Olsson
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Priority to SE2330272A priority Critical patent/SE546694C2/en
Priority to KR1020257040160A priority patent/KR20260021615A/en
Priority to EP24818868.2A priority patent/EP4724391A1/en
Priority to CN202480041767.0A priority patent/CN121368568A/en
Priority to PCT/IB2024/055248 priority patent/WO2024252231A1/en
Publication of SE2330272A1 publication Critical patent/SE2330272A1/en
Publication of SE546694C2 publication Critical patent/SE546694C2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C01B32/318—Preparation characterised by the starting materials
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00—Low-molecular-weight derivatives of lignin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/005—Lignin
    • 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
    • H01M4/36—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
    • 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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The present invention relates to a method for producing a carbon enriched material, said method comprising the steps of: a) providing lignin; b) mixing the lignin with a recirculated carbon enriched material fraction to obtain a lignin-carbon mixture; c) forming an agglomerated lignin-carbon composite material comprising lignin, the recirculated carbon enriched material fraction and optionally at least one additive; d) subjecting the agglomerated lignin-carbon composite material to heat treatment at one or more temperatures in the range of from 300 to 1500°C, wherein the heat treatment is carried out for a total time in the range of from 30 minutes to 10 hours, so as to obtain a carbon enriched material; e) milling the obtained carbon enriched material to so as to reduce the average particle size of the carbon enriched material, and to obtain at least a first fraction of a carbon enriched material, and a second fraction of a carbon enriched material; and f) recirculating at least a part of the first fraction obtained in step e) to step b).

Claims (1)

Claims A method for producing a carbon enriched material, said method comprising the steps of: a) b) providing lignin; mixing the lignin with a recirculated carbon enriched material fraction so as to obtain a lignin-carbon mixture; forming an agglomerated lignin-carbon composite material comprising the lignin, the recirculated carbon enriched material fraction and optionally at least one additive; subjecting the agglomerated lignin-carbon composite material to heat treatment at one or more temperatures in the range of from 300 to 1500°C, wherein the heat treatment is carried out br a total time in the range of from 30 minutes to 10 hours, so as to obtain a carbon enriched material; milling the obtained carbon enriched material so as to reduce the average particle size of the carbon enriched material, and to obtain at least a first fraction of carbon enriched material, and a second fraction of carbon enriched material; and recirculating at least a part of the first fraction obtained in step e) to step b). The method according to claim 1, wherein the lignin is kraft lignin. The method according to any one of claims 1 or 2, wherein the lignin provided in step a) is in the form of a powder. The method according to any one of claims 1 or 2, wherein the lignin provided in step a) is in the form of a slurry. The method according to any one of claims 1 or 2, wherein the lignin provided in step a) is dissolved in a solution.The method according to any one of the preceding claims, wherein the first fraction of carbon enriched material has an average particle size in the range of from 1 to 100 um. The method according to any one of the preceding claims, wherein the first fraction of carbon enriched material has an average particle size in the range of from 1 to 4 um. The method according to any one of the preceding claims, wherein the agglomerated lignin-carbon composite material comprises, based on the total weight of the agglomerated lignin-carbon composite material, from 1 to 50 wt% of recirculated carbon enriched material; from 50 to 99 wt% lignin; and optionally less than 5 wt% of at least one additive. The method according to any one of the preceding claims, wherein the step of forming the agglomerated lignin-carbon composite material comprises the steps of: - optionally drying the lignin-carbon mixture; - compacting the lignin-carbon mixture so as to obtain a lignin-carbon composite material; and - crushing the lignin-carbon composite material so as to obtain an agglomerated lignin-carbon composite material. The method according to any one of the preceding claims, wherein the method comprises the additional step of pre-heating the agglomerated lignin- carbon composite material to a temperature in the range of from 140 to 300°C for a period of at least 30 minutes so as toobtain a thermally stabilized agglomerated lignin-carbon composite material. .The method according to claim 10 wherein the pre-heating is carried out in an oxidative atmosphere. .The method according to any one of claims 10 or 11, wherein the pre- heating is carried out by first heating the agglomerated lignin-carbon composite material to a temperature in the range of from 140 to 175°C for aperiod of at least 15 minutes and subsequently heating the agglomerated lignin-carbon composite material to a temperature in the range of from 175 to 300°C for at least 15 minutes. The method according to any one of the preceding claims, wherein the heat treatment in step d) is carried out in an inert atmosphere. The method according to any one of the preceding claims, wherein the heat treatment in step d) comprises a preliminary heating step, followed by a final heating step. The method according to claim 14, wherein the preliminary heating step is carried out at a temperature between 400 and 800°Cfor at least 30 minutes. The method according to any one of claims 15 or 16, wherein the final heating step is carried out at a temperature between 800 and 1500°C for at least 30 minutes. The method according to any one of claims 14-16, wherein the step of mi||ing is carried out after the preliminary heating step and prior to the final heating step. The method according to claim 17, wherein at least a part of the first fraction of carbon enriched material is re-circulated prior to the final heating step. A negative electrode for a non-aqueous battery comprising the carbon enriched material obtainable by the method according to any one of claims
1. 1-18 as active material. Use of the carbon enriched material obtainable by the method according to any one of claims 1-18 as active material in a negative electrode of a non- aqueous secondary battery.
SE2330272A 2023-06-09 2023-06-09 A method for producing a carbon enriched material from lignin SE546694C2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE2330272A SE546694C2 (en) 2023-06-09 2023-06-09 A method for producing a carbon enriched material from lignin
KR1020257040160A KR20260021615A (en) 2023-06-09 2024-05-30 Method for producing carbon-enriched materials from lignin
EP24818868.2A EP4724391A1 (en) 2023-06-09 2024-05-30 A method for producing a carbon enriched material from lignin
CN202480041767.0A CN121368568A (en) 2023-06-09 2024-05-30 Method for producing carbon-rich material from lignin
PCT/IB2024/055248 WO2024252231A1 (en) 2023-06-09 2024-05-30 A method for producing a carbon enriched material from lignin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2330272A SE546694C2 (en) 2023-06-09 2023-06-09 A method for producing a carbon enriched material from lignin

Publications (2)

Publication Number Publication Date
SE2330272A1 SE2330272A1 (en) 2024-12-10
SE546694C2 true SE546694C2 (en) 2025-02-11

Family

ID=93795187

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2330272A SE546694C2 (en) 2023-06-09 2023-06-09 A method for producing a carbon enriched material from lignin

Country Status (5)

Country Link
EP (1) EP4724391A1 (en)
KR (1) KR20260021615A (en)
CN (1) CN121368568A (en)
SE (1) SE546694C2 (en)
WO (1) WO2024252231A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143393A (en) * 1974-10-11 1976-04-14 Kyoshi Sasagawa
GB2235684A (en) * 1989-08-31 1991-03-13 T & N Technology Ltd Carbon articles
RU2096322C1 (en) * 1993-11-11 1997-11-20 Акционерное общество открытого типа ВНИИГИДРОЛИЗ Method of preparing granulated activated coal
CN104124431B (en) * 2014-08-12 2016-11-23 长沙赛维能源科技有限公司 A kind of lithium ion battery graphite cathode material and preparation method thereof
EP3691000A1 (en) * 2019-02-01 2020-08-05 Ligna Energy AB Carbon lignin electrode
CN112886005B (en) * 2021-01-13 2022-05-17 东莞市创明电池技术有限公司 Preparation method of positive electrode material, positive electrode material and secondary battery

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143393A (en) * 1974-10-11 1976-04-14 Kyoshi Sasagawa
GB2235684A (en) * 1989-08-31 1991-03-13 T & N Technology Ltd Carbon articles
RU2096322C1 (en) * 1993-11-11 1997-11-20 Акционерное общество открытого типа ВНИИГИДРОЛИЗ Method of preparing granulated activated coal
CN104124431B (en) * 2014-08-12 2016-11-23 长沙赛维能源科技有限公司 A kind of lithium ion battery graphite cathode material and preparation method thereof
EP3691000A1 (en) * 2019-02-01 2020-08-05 Ligna Energy AB Carbon lignin electrode
CN112886005B (en) * 2021-01-13 2022-05-17 东莞市创明电池技术有限公司 Preparation method of positive electrode material, positive electrode material and secondary battery

Also Published As

Publication number Publication date
KR20260021615A (en) 2026-02-13
SE2330272A1 (en) 2024-12-10
EP4724391A1 (en) 2026-04-15
CN121368568A (en) 2026-01-20
WO2024252231A1 (en) 2024-12-12

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