SG11201504566VA - Combined electrochemical and chemical etching processes for generation of porous silicon particulates - Google Patents

Combined electrochemical and chemical etching processes for generation of porous silicon particulates

Info

Publication number
SG11201504566VA
SG11201504566VA SG11201504566VA SG11201504566VA SG11201504566VA SG 11201504566V A SG11201504566V A SG 11201504566VA SG 11201504566V A SG11201504566V A SG 11201504566VA SG 11201504566V A SG11201504566V A SG 11201504566VA SG 11201504566V A SG11201504566V A SG 11201504566VA
Authority
SG
Singapore
Prior art keywords
generation
chemical etching
porous silicon
etching processes
silicon particulates
Prior art date
Application number
SG11201504566VA
Other languages
English (en)
Inventor
Sibani L Biswal
Michael S Wong
Madhuri Thakur
Steven L Sinsabaugh
Original Assignee
Univ Rice William M
Lockheed Corp
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 Univ Rice William M, Lockheed Corp filed Critical Univ Rice William M
Publication of SG11201504566VA publication Critical patent/SG11201504566VA/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
    • H01M4/134—Electrodes based on metals, Si or alloys
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/12—Etching of semiconducting materials
    • 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
    • H01M4/13—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
    • H01M4/62—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
    • H01M4/621—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
    • 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
    • H01M4/626—Metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • 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
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)
  • Composite Materials (AREA)
  • Weting (AREA)
SG11201504566VA 2013-01-07 2014-01-07 Combined electrochemical and chemical etching processes for generation of porous silicon particulates SG11201504566VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361749636P 2013-01-07 2013-01-07
PCT/US2014/010438 WO2014107704A1 (en) 2013-01-07 2014-01-07 Combined electrochemical and chemical etching processes for generation of porous silicon particulates

Publications (1)

Publication Number Publication Date
SG11201504566VA true SG11201504566VA (en) 2015-07-30

Family

ID=51061193

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201504566VA SG11201504566VA (en) 2013-01-07 2014-01-07 Combined electrochemical and chemical etching processes for generation of porous silicon particulates

Country Status (9)

Country Link
US (2) US20140193711A1 (ja)
EP (1) EP2941783A4 (ja)
JP (1) JP2016510360A (ja)
KR (1) KR20150104590A (ja)
CN (1) CN105264654A (ja)
BR (1) BR112015016296A2 (ja)
SG (1) SG11201504566VA (ja)
TW (1) TWI625885B (ja)
WO (1) WO2014107704A1 (ja)

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GB2492167C (en) 2011-06-24 2018-12-05 Nexeon Ltd Structured particles
WO2013114095A1 (en) 2012-01-30 2013-08-08 Nexeon Limited Composition of si/c electro active material
GB2499984B (en) 2012-02-28 2014-08-06 Nexeon Ltd Composite particles comprising a removable filler
GB2502625B (en) 2012-06-06 2015-07-29 Nexeon Ltd Method of forming silicon
GB2507535B (en) 2012-11-02 2015-07-15 Nexeon Ltd Multilayer electrode
US20150372294A1 (en) * 2013-01-29 2015-12-24 Sanyo Electric Co., Ltd. Negative electrode active material for nonaqueous electrolyte secondary battery, negative electrode for nonaqueous electrolyte secondary battery using negative electrode active material, and nonaqueous electrolyte secondary battery using negative electrode
KR101567203B1 (ko) 2014-04-09 2015-11-09 (주)오렌지파워 이차 전지용 음극 활물질 및 이의 방법
KR101604352B1 (ko) 2014-04-22 2016-03-18 (주)오렌지파워 음극 활물질 및 이를 포함하는 리튬 이차 전지
GB2529411A (en) * 2014-08-18 2016-02-24 Nexeon Ltd Electroactive materials for metal-ion batteries
GB2529410A (en) * 2014-08-18 2016-02-24 Nexeon Ltd Electroactive materials for metal-ion batteries
US20170317225A1 (en) * 2014-12-10 2017-11-02 Applied Materials, Inc. System and method for all wrap around porous silicon formation
GB2533161C (en) 2014-12-12 2019-07-24 Nexeon Ltd Electrodes for metal-ion batteries
KR101981609B1 (ko) * 2015-09-24 2019-05-24 주식회사 엘지화학 리튬 이차전지용 음극활물질 및 그 제조방법
WO2017112772A1 (en) * 2015-12-21 2017-06-29 William Marsh Rice University Electrochemical etching of multiple silicon materials
WO2017112880A1 (en) * 2015-12-22 2017-06-29 William Marsh Rice University Formation of porous silicon materials with copper-containing pores
CN106544720A (zh) * 2016-10-26 2017-03-29 湖南文理学院 一种提高多孔硅纵向物理结构均匀性的新方法
CN107140641B (zh) * 2017-05-09 2019-05-31 武汉科技大学 一种以硅酸盐玻璃为原料制备三维多孔硅的方法
CN107768645B (zh) * 2017-11-28 2020-07-14 吉林大学 一种多孔的氮掺杂碳纳米片复合负极材料及其制备方法
CN110240118A (zh) * 2019-05-22 2019-09-17 江苏大学 一种孔隙率较高的中阻p型多孔硅薄膜及其快速制备方法
CN110294454A (zh) * 2019-05-22 2019-10-01 江苏大学 一种高深宽比中阻p型宏孔硅结构及其快速制备方法
CN110331427B (zh) * 2019-06-10 2021-04-20 江苏大学 一种多孔硅-银纳米枝晶结构及其制备方法
CN111403694A (zh) * 2019-08-22 2020-07-10 杭州师范大学 一种碳包覆的多孔硅负极材料的制备方法
WO2022027223A1 (zh) * 2020-08-04 2022-02-10 宁德新能源科技有限公司 电子装置、用于电化学装置的充电方法、终端和存储介质
CN113638035A (zh) * 2021-07-09 2021-11-12 江苏大学 一种多孔硅-银纳米枝晶颗粒及其制备和sers检测方法

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Also Published As

Publication number Publication date
US20160293935A1 (en) 2016-10-06
TW201438326A (zh) 2014-10-01
JP2016510360A (ja) 2016-04-07
CN105264654A (zh) 2016-01-20
EP2941783A4 (en) 2016-07-13
EP2941783A1 (en) 2015-11-11
US9947918B2 (en) 2018-04-17
KR20150104590A (ko) 2015-09-15
BR112015016296A2 (pt) 2017-07-11
WO2014107704A1 (en) 2014-07-10
US20140193711A1 (en) 2014-07-10
TWI625885B (zh) 2018-06-01

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