WO2013129783A1 - Batterie rechargeable au sodium qui présente un espace prédéterminé entre le tube de sécurité et le tube d'électrolyte solide - Google Patents

Batterie rechargeable au sodium qui présente un espace prédéterminé entre le tube de sécurité et le tube d'électrolyte solide Download PDF

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Publication number
WO2013129783A1
WO2013129783A1 PCT/KR2013/000871 KR2013000871W WO2013129783A1 WO 2013129783 A1 WO2013129783 A1 WO 2013129783A1 KR 2013000871 W KR2013000871 W KR 2013000871W WO 2013129783 A1 WO2013129783 A1 WO 2013129783A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
solid electrolyte
secondary battery
safety
sodium secondary
Prior art date
Application number
PCT/KR2013/000871
Other languages
English (en)
Inventor
Jeong Soo Kim
Young Shol Kim
Je Hyun Chae
Hee Young Sun
Original Assignee
Sk Innovation Co., Ltd.
Ceramatec, 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 Sk Innovation Co., Ltd., Ceramatec, Inc. filed Critical Sk Innovation Co., Ltd.
Publication of WO2013129783A1 publication Critical patent/WO2013129783A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
    • H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
    • 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
    • H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
    • H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
    • H01M10/3909—Sodium-sulfur cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary 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
    • H01M4/36—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
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/523—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron for non-aqueous cells
    • 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

Definitions

  • the present invention relates to a secondary battery, and more particularly, to a sodium secondary battery including an anode formed by receiving sodium (Na) at an inner side of a solid electrolyte having excellent sodium ion conductivity, and a cathode formed by receiving nickel hydroxide (Ni(OH) 2 ) or sulfur (S) at an outer side thereof.
  • a sodium secondary battery including an anode formed by receiving sodium (Na) at an inner side of a solid electrolyte having excellent sodium ion conductivity, and a cathode formed by receiving nickel hydroxide (Ni(OH) 2 ) or sulfur (S) at an outer side thereof.
  • a battery may be classified into a portable primary battery and a secondary battery which can be recharged several times.
  • the secondary battery has been popularized as necessary energy sources of portable electronic devices such as a notebook, a camcorder, and a cellular phone since it can be repeatedly charged and discharged.
  • a shape and size of the secondary battery are changed depending on the use purposes from a large capacitance battery for energy storage, a middle capacitance battery applied to a transport vehicle, and a small capacitance battery used as power of a portable device, such that the use range thereof has expanded.
  • the secondary battery is constituted of an anode, a cathode, a solid electrolyte, and a current collector.
  • a reduction reaction by electrons generated at the anode occurs at the cathode.
  • the current collector serves to supply the electrons, which are generated from the anode at the time of discharging the battery, to a cathode active material, or supply the electrons, which are supplied from the cathode at the time of charging the battery, to an anode active material.
  • molten metal sodium (Na) as the anode active material, and molten nickel hydroxide (Ni(OH) 2 ) or sulfur (S) as the cathode active material are disposed and the anode active material and the cathode active material are separated from each other by a solid electrolyte tube made of alumina or ceramic having excellent selective permeability to sodium ions, such that the sodium ions can pass through the solid electrolyte tube.
  • the sodium secondary battery is run or operated at 100°C or higher, due to electric conductivity of solid electrolyte and a melting point of the electrode active material.
  • nickel hydroxide (Ni(OH) 2 ) or sulfur (S) as the cathode active material is positioned in an aqueous alkaline solution, as temperature increases, steam pressure is inevitably increased, with the result that internal pressure of the battery is increased.
  • a safety tube having a cylindrical shape, made of a metal material, and formed between a sodium anode and a solid electrolyte tube is disposed to inhibit a rapid reaction of sodium and sulfur at the time of damaging the solid electrolyte tube, thereby increasing safety.
  • sodium may be effectively electrolyzed in the case in which the safety tube is spaced apart from the solid electrolyte tube by a predetermined gap of several tens micrometer to 1mm.
  • electrolytic efficiency may be deteriorated, heat may be locally generated due to a non-uniform electrolysis, and an explosion accordingly may occur.
  • An object of the present invention is to provide a sodium secondary battery having a predetermined gap between a safety tube and a solid electrolyte tube by inserting an embossing part between the solid electrolyte tube and the safety tube or formed integrally with the safety tube so that the solid electrolyte tube and the safety tube have the predetermined gap therebetween.
  • a sodium secondary battery having a predetermined gap between a safety tube and a solid electrolyte tube, the sodium secondary battery receiving any one of an anode and a cathode at an inner side of a solid electrolyte tube of which a lower side is closed; and receiving the other at an outer side of the solid electrolyte tube, the sodium secondary battery including: the safety tube made of a metal material and provided between the anode and the solid electrolyte tube; and an embossing part having a cross-section of an embossing structure and provided between the safety tube and the solid electrolyte tube, wherein the safety tube is spaced apart from the solid electrolyte tube by a thickness of the embossing part.
  • the embossing part may have an annular shape with a predetermined width so as to surround a side surface of the safety tube, and a plurality of embossing parts may be spaced apart from each other by a predetermined gap in a length direction of the safety tube.
  • the embossing part may be made of a metal thin film of aluminum or a stainless material, and be formed by a press machining.
  • the embossing part may be formed integrally with a side surface of the safety tube.
  • the predetermined spaced gap between the solid electrolyte tube and the safety tube may be maintained, and the sodium may be uniformly and effectively electrolyzed to improve the safety and electrolytic efficiency.
  • FIG. 1 is a longitudinal cross-sectional view showing a general sodium secondary battery
  • FIG. 2 is a partial cross-sectional view showing a sodium secondary battery according to a first exemplary embodiment of the present invention
  • FIG. 3 is a perspective view of a safety tube and an embossing part according to the first exemplary embodiment of the present invention
  • FIG. 4 is a partial cross-sectional view showing a sodium secondary battery according to a second exemplary embodiment of the present invention.
  • FIG. 5 is a perspective view of a safety tube and an embossing part according to the second exemplary embodiment of the present invention.
  • the anode 620 is received at the inner side of the solid electrolyte tube 400 and the cathode 610 is received at the outer side thereof; however, the cathode 610 may be received at the inner side of the solid electrolyte tube 400 and the anode 620 may be received at the outer side thereof.
  • the cathode active material containing nickel hydroxide (Ni(OH) 2 ) or sulfur (S) is received in the housing 100, and the solid electrolyte tube 400 is formed in the housing 100.
  • the anode 620 active material containing sodium (Na) is received in the solid electrolyte tube 400, and the wicking tube 200 is inserted into the inner side of the solid electrolyte tube 400 for controlling the sodium level of the anode 620, such that an inside and an outside of the wicking tube 200 are provided with an anode 620 active material containing sodium (Na).

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

Cette invention se rapporte à une batterie rechargeable au sodium qui présente une excellente conductivité des ions sodium et qui comprend une anode formée par la réception de sodium (Na) sur un côté intérieur d'un électrolyte solide, et une cathode formée par la réception d'hydroxyde de nickel (Ni(OH)2) ou de soufre (S) sur un côté extérieur de celui-ci.
PCT/KR2013/000871 2012-02-27 2013-02-04 Batterie rechargeable au sodium qui présente un espace prédéterminé entre le tube de sécurité et le tube d'électrolyte solide WO2013129783A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0019562 2012-02-27
KR1020120019562A KR20130097914A (ko) 2012-02-27 2012-02-27 안전관 간극이 일정한 나트륨 이차전지

Publications (1)

Publication Number Publication Date
WO2013129783A1 true WO2013129783A1 (fr) 2013-09-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/000871 WO2013129783A1 (fr) 2012-02-27 2013-02-04 Batterie rechargeable au sodium qui présente un espace prédéterminé entre le tube de sécurité et le tube d'électrolyte solide

Country Status (2)

Country Link
KR (1) KR20130097914A (fr)
WO (1) WO2013129783A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015133663A1 (fr) * 2014-03-07 2015-09-11 에스케이이노베이션 주식회사 Pile au sodium et son procédé de fabrication
KR102072745B1 (ko) * 2015-09-15 2020-02-03 한국기계연구원 나트륨 2차 전지

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06208854A (ja) * 1992-11-19 1994-07-26 Ngk Insulators Ltd ナトリウム−硫黄電池及びその製造方法
JPH06342672A (ja) * 1992-11-18 1994-12-13 Ngk Insulators Ltd ナトリウム−硫黄電池及びその製造方法
JPH10172603A (ja) * 1996-12-05 1998-06-26 Ngk Insulators Ltd ナトリウム−硫黄電池
JPH10270073A (ja) * 1997-03-24 1998-10-09 Ngk Insulators Ltd ナトリウム−硫黄電池及びその製造方法
JP2001223021A (ja) * 2000-02-08 2001-08-17 Mitsubishi Heavy Ind Ltd ナトリウム電池

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06342672A (ja) * 1992-11-18 1994-12-13 Ngk Insulators Ltd ナトリウム−硫黄電池及びその製造方法
JPH06208854A (ja) * 1992-11-19 1994-07-26 Ngk Insulators Ltd ナトリウム−硫黄電池及びその製造方法
JPH10172603A (ja) * 1996-12-05 1998-06-26 Ngk Insulators Ltd ナトリウム−硫黄電池
JPH10270073A (ja) * 1997-03-24 1998-10-09 Ngk Insulators Ltd ナトリウム−硫黄電池及びその製造方法
JP2001223021A (ja) * 2000-02-08 2001-08-17 Mitsubishi Heavy Ind Ltd ナトリウム電池

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Publication number Publication date
KR20130097914A (ko) 2013-09-04

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