KR100390748B1 - Lithium sulfur battery using polytetrafluoroethylene as positive electrode binder - Google Patents

Lithium sulfur battery using polytetrafluoroethylene as positive electrode binder Download PDF

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Publication number
KR100390748B1
KR100390748B1 KR1020020034121A KR20020034121A KR100390748B1 KR 100390748 B1 KR100390748 B1 KR 100390748B1 KR 1020020034121 A KR1020020034121 A KR 1020020034121A KR 20020034121 A KR20020034121 A KR 20020034121A KR 100390748 B1 KR100390748 B1 KR 100390748B1
Authority
KR
South Korea
Prior art keywords
poly
positive electrode
vinyl
sulfur battery
lithium sulfur
Prior art date
Application number
KR1020020034121A
Other languages
Korean (ko)
Inventor
Nam In Kim
Chae Bong Lee
Jae Man Seo
Young Bae Noh
Original Assignee
Square Technologies Co Ltd E
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 Square Technologies Co Ltd E filed Critical Square Technologies Co Ltd E
Priority to KR1020020034121A priority Critical patent/KR100390748B1/en
Application granted granted Critical
Publication of KR100390748B1 publication Critical patent/KR100390748B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/04—Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

PURPOSE: A positive electrode for a lithium sulfur battery, its preparation method, a lithium sulfur battery using the positive electrode and its preparation method are provided, to prevent the deterioration of lifetime characteristic, the leakage of an electrolyte solution, the precipitation of Li2S and the decrease of discharge capacity in high rate discharge. CONSTITUTION: The positive electrode comprises a binder mixture containing polytetrafluoroethylene and a thickener. Preferably the thickener is any one selected from the group consisting of carboxymethyl cellulose, poly(vinyl alcohol), poly(vinyl acetate) polyethylene oxide, polyacrylonitrile, poly(vinyl pyrrolidone), alkylated polyethylene oxide, poly(vinyl pyridine), crosslinked polyethylene oxide, poly(vinyl ether), poly(methyl methacrylate), polyvinylidene fluoride, a copolymer of polyhexafluoropropylene and polyvinylidene fluoride, poly(ethyl acrylate), poly(vinyl chloride) and polystyrene.
KR1020020034121A 2002-06-18 2002-06-18 Lithium sulfur battery using polytetrafluoroethylene as positive electrode binder KR100390748B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020020034121A KR100390748B1 (en) 2002-06-18 2002-06-18 Lithium sulfur battery using polytetrafluoroethylene as positive electrode binder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020034121A KR100390748B1 (en) 2002-06-18 2002-06-18 Lithium sulfur battery using polytetrafluoroethylene as positive electrode binder

Publications (1)

Publication Number Publication Date
KR100390748B1 true KR100390748B1 (en) 2003-07-12

Family

ID=37421871

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020034121A KR100390748B1 (en) 2002-06-18 2002-06-18 Lithium sulfur battery using polytetrafluoroethylene as positive electrode binder

Country Status (1)

Country Link
KR (1) KR100390748B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101141060B1 (en) 2006-10-02 2012-05-03 주식회사 엘지화학 Composite Binder having Conductivity and Secondary Battery Employing the Same
WO2012047329A3 (en) * 2010-10-07 2012-08-16 Battelle Memorial Institute Graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08255630A (en) * 1995-03-16 1996-10-01 Toshiba Battery Co Ltd Lithium secondary battery
JPH113703A (en) * 1997-06-12 1999-01-06 Matsushita Electric Ind Co Ltd Manufacture of alkaline storage battery positive electrode

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08255630A (en) * 1995-03-16 1996-10-01 Toshiba Battery Co Ltd Lithium secondary battery
JPH113703A (en) * 1997-06-12 1999-01-06 Matsushita Electric Ind Co Ltd Manufacture of alkaline storage battery positive electrode

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101141060B1 (en) 2006-10-02 2012-05-03 주식회사 엘지화학 Composite Binder having Conductivity and Secondary Battery Employing the Same
WO2012047329A3 (en) * 2010-10-07 2012-08-16 Battelle Memorial Institute Graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes
CN103155243A (en) * 2010-10-07 2013-06-12 巴特尔纪念研究院 Graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes
US8753772B2 (en) 2010-10-07 2014-06-17 Battelle Memorial Institute Graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes
US8999574B2 (en) 2010-10-07 2015-04-07 Battelle Memorial Institute Method of preparing graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes

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