JPS57197753A - Manufacture of positive electrode of nonaqueous electrolyte cell - Google Patents

Manufacture of positive electrode of nonaqueous electrolyte cell

Info

Publication number
JPS57197753A
JPS57197753A JP8303981A JP8303981A JPS57197753A JP S57197753 A JPS57197753 A JP S57197753A JP 8303981 A JP8303981 A JP 8303981A JP 8303981 A JP8303981 A JP 8303981A JP S57197753 A JPS57197753 A JP S57197753A
Authority
JP
Japan
Prior art keywords
powder
positive electrode
black mix
pelletized
nonaqueous electrolyte
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP8303981A
Other languages
Japanese (ja)
Inventor
Masao Ide
Hitoshi Takagishi
Hayao Tezuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FDK Twicell Co Ltd
Original Assignee
Toshiba Battery Co Ltd
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 Toshiba Battery Co Ltd filed Critical Toshiba Battery Co Ltd
Priority to JP8303981A priority Critical patent/JPS57197753A/en
Publication of JPS57197753A publication Critical patent/JPS57197753A/en
Pending legal-status Critical Current

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
    • H01M4/06—Electrodes for primary cells
    • H01M4/08—Processes of manufacture

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

PURPOSE:To simplify the process for manufacturing positive electrodes and improve the performance of a nonaqueous electrolyte cell by mixing the powder of positive electrode active substance and conductive carbon powder and kneading said mixed powder with the aqueous solution of binder, forming said mixture into granule form, and putting said granules into press-molding process. CONSTITUTION:Aqueous solution of the binder such as polyacrylic acid (salt) etc. is added into the mixed powder of conductive carbon powder and the powder of the positive electrode activating substance such as baked manganese dioxide etc., and the mixture is kneaded, formed into granules, and dried, then a pelletized black mix is formed. A fixed amount of pelletized black mix is taken, press-molded to form a positive electrode black mix pellet. In this method, as the pelletized black mix has a nearly round form and fluidity, charging and transfer into a mold is facilitated. Further, the black mix pellet is more porous than the conventional powder molding, and the content of electrolyte is increased, and the discharge capacity can be improved.
JP8303981A 1981-05-30 1981-05-30 Manufacture of positive electrode of nonaqueous electrolyte cell Pending JPS57197753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8303981A JPS57197753A (en) 1981-05-30 1981-05-30 Manufacture of positive electrode of nonaqueous electrolyte cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8303981A JPS57197753A (en) 1981-05-30 1981-05-30 Manufacture of positive electrode of nonaqueous electrolyte cell

Publications (1)

Publication Number Publication Date
JPS57197753A true JPS57197753A (en) 1982-12-04

Family

ID=13791066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8303981A Pending JPS57197753A (en) 1981-05-30 1981-05-30 Manufacture of positive electrode of nonaqueous electrolyte cell

Country Status (1)

Country Link
JP (1) JPS57197753A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149494A2 (en) * 1984-01-18 1985-07-24 Toshiba Battery Co., Ltd. Method for preparing positive electrode for non-aqueous electrolyte cell
JPH09289022A (en) * 1996-04-24 1997-11-04 Seiko Instr Kk Nonaqueous electrolyte secondary battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149494A2 (en) * 1984-01-18 1985-07-24 Toshiba Battery Co., Ltd. Method for preparing positive electrode for non-aqueous electrolyte cell
JPH09289022A (en) * 1996-04-24 1997-11-04 Seiko Instr Kk Nonaqueous electrolyte secondary battery

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