WO2022144736A1 - Aérogels de carbone fibreux revêtus de silicium nanométrique en tant qu'anodes de batteries au lithium - Google Patents

Aérogels de carbone fibreux revêtus de silicium nanométrique en tant qu'anodes de batteries au lithium Download PDF

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Publication number
WO2022144736A1
WO2022144736A1 PCT/IB2021/062280 IB2021062280W WO2022144736A1 WO 2022144736 A1 WO2022144736 A1 WO 2022144736A1 IB 2021062280 W IB2021062280 W IB 2021062280W WO 2022144736 A1 WO2022144736 A1 WO 2022144736A1
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WO
WIPO (PCT)
Prior art keywords
silica
carbon
composite material
carbon composite
aerogel
Prior art date
Application number
PCT/IB2021/062280
Other languages
English (en)
Inventor
Roxana Trifu
Nicholas Leventis
Redouane Begag
Original Assignee
Aspen Aerogels, Inc.
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 Aspen Aerogels, Inc. filed Critical Aspen Aerogels, Inc.
Priority claimed from US17/560,624 external-priority patent/US20220209234A1/en
Publication of WO2022144736A1 publication Critical patent/WO2022144736A1/fr

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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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/0416—Methods of deposition of the material involving impregnation with a solution, dispersion, paste or dry powder
    • 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
    • H01M4/139—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
    • H01M4/13—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
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes

Abstract

La présente divulgation concerne des matériaux composites silice-carbone comprenant un matériau carboné à faible densité apparente ayant une structure squelettique de nanofibres de carbone, la structure squelettique formant une structure de pores comprenant un réseau de pores interconnectés. Les matériaux composites silice-carbone comprennent en outre une couche de revêtement conforme de silice sur les nanofibres de carbone. L'invention concerne en outre des procédés de préparation des matériaux composites silice-carbone, et des procédés de réduction des matériaux composites silice-carbone pour fournir des matériaux composites silicium-carbone.
PCT/IB2021/062280 2020-12-30 2021-12-23 Aérogels de carbone fibreux revêtus de silicium nanométrique en tant qu'anodes de batteries au lithium WO2022144736A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202063132042P 2020-12-30 2020-12-30
US63/132,042 2020-12-30
US17/560,624 US20220209234A1 (en) 2020-12-30 2021-12-23 Fibrous carbon aerogels coated with nano-thin silicon as lithium battery anodes
US17/560,624 2021-12-23

Publications (1)

Publication Number Publication Date
WO2022144736A1 true WO2022144736A1 (fr) 2022-07-07

Family

ID=79287631

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2021/062280 WO2022144736A1 (fr) 2020-12-30 2021-12-23 Aérogels de carbone fibreux revêtus de silicium nanométrique en tant qu'anodes de batteries au lithium

Country Status (1)

Country Link
WO (1) WO2022144736A1 (fr)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610863A (en) 1985-09-04 1986-09-09 The United States Of America As Represented By The United States Department Of Energy Process for forming transparent aerogel insulating arrays
US5275796A (en) 1990-08-23 1994-01-04 Regents Of The University Of California Method for producing metal oxide aerogels having densities less than 0.02 g/cc
US5395805A (en) 1993-03-25 1995-03-07 Regents Of The University Of California Method for making monolithic metal oxide aerogels
US5420168A (en) 1993-04-01 1995-05-30 The Regents Of The University Of California Method of low pressure and/or evaporative drying of aerogel
US5565142A (en) 1992-04-01 1996-10-15 Deshpande; Ravindra Preparation of high porosity xerogels by chemical surface modification.
US5962539A (en) 1997-05-09 1999-10-05 Separex S.A. Process and equipment for drying a polymeric aerogel in the presence of a supercritical fluid
US6315971B1 (en) 1997-04-09 2001-11-13 Cabot Corporation Process for producing low density gel compositions
US6670402B1 (en) 1999-10-21 2003-12-30 Aspen Aerogels, Inc. Rapid aerogel production process
US20060199455A1 (en) * 2000-12-22 2006-09-07 Aspen Aerogels, Inc. Aerogel composite with fibrous batting
US20120264020A1 (en) * 2010-10-07 2012-10-18 Applied Sciences, Inc. Method of depositing silicon on carbon nanomaterials
WO2013065897A1 (fr) * 2011-11-01 2013-05-10 광주과학기술원 Couche de diffusion de gaz superhydrophobe double face pour pile à combustible à membrane électrolytique en polymère, son procédé de préparation et pile à combustible à membrane électrolytique en polymère comprenant ladite couche
US20140308585A1 (en) * 2013-04-16 2014-10-16 Envia Systems, Inc. Silicon-based active materials for lithium ion batteries and synthesis with solution processing
WO2016127084A1 (fr) 2015-02-05 2016-08-11 Aeroger Technologies, Llc Systèmes et procédés de production d'un matériau de type aérogel
CN108727818A (zh) * 2018-06-26 2018-11-02 中国科学技术大学 一种疏水型二氧化硅/聚酰亚胺气凝胶复合材料及制备方法
EP3480507A1 (fr) * 2016-07-01 2019-05-08 Panasonic Intellectual Property Management Co., Ltd. Matériau isolant et équipement utilisant un matériau isolant
CN112271301A (zh) * 2020-10-16 2021-01-26 成都新柯力化工科技有限公司 一种无机原位粘合制备燃料电池膜电极的方法
CN112323510A (zh) * 2020-10-16 2021-02-05 成都新柯力化工科技有限公司 一种连续涂敷低成本制备气体扩散层碳纸的方法

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610863A (en) 1985-09-04 1986-09-09 The United States Of America As Represented By The United States Department Of Energy Process for forming transparent aerogel insulating arrays
US5275796A (en) 1990-08-23 1994-01-04 Regents Of The University Of California Method for producing metal oxide aerogels having densities less than 0.02 g/cc
US5565142A (en) 1992-04-01 1996-10-15 Deshpande; Ravindra Preparation of high porosity xerogels by chemical surface modification.
US5395805A (en) 1993-03-25 1995-03-07 Regents Of The University Of California Method for making monolithic metal oxide aerogels
US5420168A (en) 1993-04-01 1995-05-30 The Regents Of The University Of California Method of low pressure and/or evaporative drying of aerogel
US6315971B1 (en) 1997-04-09 2001-11-13 Cabot Corporation Process for producing low density gel compositions
US5962539A (en) 1997-05-09 1999-10-05 Separex S.A. Process and equipment for drying a polymeric aerogel in the presence of a supercritical fluid
US6670402B1 (en) 1999-10-21 2003-12-30 Aspen Aerogels, Inc. Rapid aerogel production process
US20060199455A1 (en) * 2000-12-22 2006-09-07 Aspen Aerogels, Inc. Aerogel composite with fibrous batting
US20120264020A1 (en) * 2010-10-07 2012-10-18 Applied Sciences, Inc. Method of depositing silicon on carbon nanomaterials
WO2013065897A1 (fr) * 2011-11-01 2013-05-10 광주과학기술원 Couche de diffusion de gaz superhydrophobe double face pour pile à combustible à membrane électrolytique en polymère, son procédé de préparation et pile à combustible à membrane électrolytique en polymère comprenant ladite couche
US20140308585A1 (en) * 2013-04-16 2014-10-16 Envia Systems, Inc. Silicon-based active materials for lithium ion batteries and synthesis with solution processing
WO2016127084A1 (fr) 2015-02-05 2016-08-11 Aeroger Technologies, Llc Systèmes et procédés de production d'un matériau de type aérogel
EP3480507A1 (fr) * 2016-07-01 2019-05-08 Panasonic Intellectual Property Management Co., Ltd. Matériau isolant et équipement utilisant un matériau isolant
CN108727818A (zh) * 2018-06-26 2018-11-02 中国科学技术大学 一种疏水型二氧化硅/聚酰亚胺气凝胶复合材料及制备方法
CN112271301A (zh) * 2020-10-16 2021-01-26 成都新柯力化工科技有限公司 一种无机原位粘合制备燃料电池膜电极的方法
CN112323510A (zh) * 2020-10-16 2021-02-05 成都新柯力化工科技有限公司 一种连续涂敷低成本制备气体扩散层碳纸的方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FARNETH W E ET AL: "Encapsulated laccase electrodes for fuel cell cathodes", JOURNAL OF ELECTROANALYTICAL CHEMISTRY AND INTERFACIAL ELECTROCHEMISTRY, ELSEVIER, AMSTERDAM, NL, vol. 581, no. 2, 20 June 2005 (2005-06-20), pages 197 - 205, XP004974479, ISSN: 0022-0728, DOI: 10.1016/J.JELECHEM.2005.03.018 *
KISTLER, J. PHYS. CHEM., vol. 36, 1932, pages 52 - 64
MARTÍNEZ-RODRÍGUEZ MICHAEL J. ET AL: "Effect of microporous layer on MacMullin number of carbon paper gas diffusion layer", JOURNAL OF POWER SOURCES, vol. 207, 9 February 2012 (2012-02-09), AMSTERDAM, NL, pages 91 - 100, XP055897397, ISSN: 0378-7753, DOI: 10.1016/j.jpowsour.2012.01.132 *

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