KR970054753A - 리튬 고분자 2차전지의 제조방법 - Google Patents

리튬 고분자 2차전지의 제조방법 Download PDF

Info

Publication number
KR970054753A
KR970054753A KR1019950051461A KR19950051461A KR970054753A KR 970054753 A KR970054753 A KR 970054753A KR 1019950051461 A KR1019950051461 A KR 1019950051461A KR 19950051461 A KR19950051461 A KR 19950051461A KR 970054753 A KR970054753 A KR 970054753A
Authority
KR
South Korea
Prior art keywords
manufacturing
electrode
polymer
secondary battery
polymer electrolyte
Prior art date
Application number
KR1019950051461A
Other languages
English (en)
Other versions
KR100194616B1 (ko
Inventor
장순호
강성구
장기호
Original Assignee
양승택
한국전자통신연구원
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 양승택, 한국전자통신연구원 filed Critical 양승택
Priority to KR1019950051461A priority Critical patent/KR100194616B1/ko
Publication of KR970054753A publication Critical patent/KR970054753A/ko
Application granted granted Critical
Publication of KR100194616B1 publication Critical patent/KR100194616B1/ko

Links

Classifications

    • 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
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
    • 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
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • 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
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • H01M4/745—Expanded metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0085—Immobilising or gelification of electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0088—Composites
    • H01M2300/0094—Composites in the form of layered products, e.g. coatings
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 리튬 고분자 2차전지의 제조방법에 관한 것이다.
좀 더 구체적으로, 본 발명은 고체 고분자 전해질을 이용하여 새로운 구조를 지닌 리튬 고분자 2차전지를 간단한 공정에 의해 경제적으로 제조하는 방법에 관한 것이다.
본 발명의 리튬 고분자 2차전지 제조방법은, 전극 지지체의 양단을 제외한 부분 상에 양전극 슬러리(slurry)를 도포하고 건조 및 프레싱하여 일단의 금속망을 절개하는 공정; 전기한 공정에 의해 얻어진 전극 지지체의 타단에 존재하는 전극 지지체의 일측에 탭(tap)를 부착하고 나머지 전극 지지체 부분을 절개하여 양전극을 제조하는 공정; 전기한 공정에 의해 얻어진 전극상에 고분자 지지체와 고체 고분자 전해질로 이루어진 고분자 전해막을 부착하고 라미네이팅(Laminating)하는 공정; 및, 상기한 양전극의 제조공정과 동일한 공정을 거쳐 제조된 음전극을 상기한 공정에서 얻어진 고분자 전해막 상에 라미네이팅하여 3층의 단위셀을 제조하는 공정을 포함한다.

Description

리튬 고분자 2차전지의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 전극의 제조과정에 대한 개략적인 평면도.
제2도는 본 발명에 따른 리튬 고분자 2차전지의 다층 조립과정에 대한 단면도.
제3도는 본 발명에 따른 전지 스태킹(stacking) 결과 얻어진 다층 전지의 개략적인 단면도.

Claims (6)

  1. 전극 지지체의 양단을 제외한 부분 상에 양전극 슬러리를 도포하고 건조 및 프레싱하여 일단의 금속망을 절개하는 공정; 전기한 공정에 의해 얻어진 전극 지지체의 타단에 존재하는 전극 지지체의 일측에 탭을 부착하고 나머지 전극 지지체 부분을 절개하여 양전극을 제조하는 공정; 전기한 공정에 의해 얻어진 전극 상에 고분자 지지체와 고체 고분자 전해질로 이루어진 고분자 전해막을 부착하고 라미네이팅하는 공정; 및, 상기한 양전극의 제조공정과 동일한 공정을 거쳐 제조된 음전극을 상기한 공정에서 얻어진 고분자 전해막 상에 라미네이팅하여 3층의 단위셀을 제조하는 공정을 포함하는 리튬 고분자 2차전지의 제조방법.
  2. 제1항에 있어서, 상기한 전극 지지체로는 알루미늄, 구리 또는 니켈의 확장망을 사용하는 것을 특징으로 하는 리튬 고분자 2차전지의 제조방법.
  3. 제1항에 있어서, 탭으로는 알루미늄 포일을 사용하여 상기한 전극 지지체에 용접하여 부착하는 것을 특징으로 하는 리튬 고분자 2차전지의 제조방법.
  4. 제1항에 있어서, 상기한 고분자 지지체로는 테프론계의 PTFE(poly tetra-fluoro ethylene) 고분자나 이형지를 사용하는 것을 특징으로 하는 리튬 고분자 2차전지의 제조방법.
  5. 제1항에 있어서, 고체 고분자 전해질로는 젤형의 고체 고분자인 PVDF(poly vinylidene fluoride) 및 PVDF 중합체를 사용하는 것을 특징으로하는 리튬 고분자 2차전지의 제조방법.
  6. 제1항에 있어서, 상기한 고분자 전해막의 부착시에는 45 내지 55℃로 온도를 유지하면서 롤 프레스(roll press)에서 라미네이팅을 수행하여 계면의 기포를 제거하는 것을 특징으로 하는 리튬 고분자 2차전지의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950051461A 1995-12-18 1995-12-18 리튬 고분자 2차전지의 제조방법 KR100194616B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950051461A KR100194616B1 (ko) 1995-12-18 1995-12-18 리튬 고분자 2차전지의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950051461A KR100194616B1 (ko) 1995-12-18 1995-12-18 리튬 고분자 2차전지의 제조방법

Publications (2)

Publication Number Publication Date
KR970054753A true KR970054753A (ko) 1997-07-31
KR100194616B1 KR100194616B1 (ko) 1999-06-15

Family

ID=66646250

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950051461A KR100194616B1 (ko) 1995-12-18 1995-12-18 리튬 고분자 2차전지의 제조방법

Country Status (1)

Country Link
KR (1) KR100194616B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000014999A (ko) * 1998-08-26 2000-03-15 손욱 원통형 이차전지

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000014999A (ko) * 1998-08-26 2000-03-15 손욱 원통형 이차전지

Also Published As

Publication number Publication date
KR100194616B1 (ko) 1999-06-15

Similar Documents

Publication Publication Date Title
JP5543715B2 (ja) ポリオレフィン製微多孔膜
TWI466365B (zh) An insulating layer with heat-resistant insulation
KR102065363B1 (ko) 전극 및 그 전극의 제조방법 및 그 전극의 제조를 위한 롤러
US20070117008A1 (en) Stack-type lithium-ion polymer battery
CA2197431A1 (en) Rechargeable Battery Structure and Method of Making Same
WO2001073863A3 (en) Flat, bonded-electrode rechargeable electrochemical cell and method of making same
KR20180057847A (ko) 전극조립체 제조 장치 및 그 전극조립체 제조 장치에 의한 전극조립체 제조 방법
CN102804297A (zh) 用于微孔膜的处理和胶粘剂
US20030014859A1 (en) Method of automated hybrid lithium-ion cells production and method of the cell assembly and construction
JP2010135361A (ja) 負極、リチウムイオンキャパシタ及びそれらの製造方法
US6235065B1 (en) Room temperature lamination of Li-ion polymer electrodes
KR20200018977A (ko) 전극조립체 및 그 전극조립체의 제조 방법
JP2002157997A (ja) 折り畳み型リチウム電池の製造方法
KR20030030960A (ko) 갈바니 소자용 전극-격리판 어셈블리 제조방법
KR20210067935A (ko) 에너지 저장 장치용 다공성 전극
KR101785759B1 (ko) 전극조립체의 및 이를 제조하는 방법
US6737196B2 (en) Method of making a lithium polymer battery and battery made by the method
KR970054753A (ko) 리튬 고분자 2차전지의 제조방법
US6482540B1 (en) Multi-fold rechargeable battery cell structure
JP4189961B2 (ja) 多孔質フィルム
JPH11288723A (ja) 電気化学素子用集電体
JP2002042882A (ja) 有機電解質電池の製造方法
CN113964369A (zh) 一种电芯及电池
KR970054752A (ko) 리튬 고분자 2차전지용 고분자 전해막의 제조방법 및 전극과의 캘린더링에 의한 리튬 고분자 2차전지의 제조방법
KR20170022697A (ko) 전극 조립체

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20110131

Year of fee payment: 13

LAPS Lapse due to unpaid annual fee