NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Title:

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Document Type and Number:

Japanese Patent JPH02239574

Kind Code:

A

Abstract:

PURPOSE: To avoid current concentration and restrict formation change at peripheral parts of a negative pole by disposing an insulation layer at the peripheral parts.

CONSTITUTION: For a nonaqueous electrolyte secondary battery having a positive pole 2 mainly consisting of active material which can be re-charged and a negative pole 4 consisting of lithium or lithium alloy, an insulation layer 7 is formed by applying epoxy resin (for solder-resist) for a width of 0.5mm at peripheral parts of a disc-formed negative pole 7 of lithium-aluminum alloy and drying it. If lithium is solely used for the negative pole, metal lithium of a purity of more than 99.99% shall preferably be used.

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Inventors:

UBUKAWA SATOSHI
AMEZUTSUMI TORU
NAKANISHI KEISAKU

Application Number:

JP6167489A

Publication Date:

September 21, 1990

Filing Date:

March 13, 1989

Export Citation:

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Assignee:

SANYO ELECTRIC CO

International Classes:

H01M4/134; H01M10/05; H01M10/052; H01M4/40; H01M4/66; (IPC1-7): H01M4/02; H01M10/40

Attorney, Agent or Firm:

Takuji Nishino (2 outside)

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