ANODE FOR USE IN A LITHIUM-ION SECONDARY BATTERY, AND MANUFACTURING METHOD THEREFOR

Title:

ANODE FOR USE IN A LITHIUM-ION SECONDARY BATTERY, AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2011/037013

Kind Code:

A1

Abstract:

Disclosed is an anode for use in a lithium-ion secondary battery. Said anode inhibits separation and loss of an active material from a collector, thereby providing excellent cycle performance. Also provided is a method for manufacturing the provided anode. The anode comprises a collector (1) and an active material layer (6) affixed to the surface of the collector (1). The active material layer (6) contains an active material (2), a binder (5), a conductive material (4), and a shock-absorbing material (3). The active material (2) contains silicon and/or tin. The shock-absorbing material (3) comprises a composite silicon powder comprising spherical silicon rubber particles coated with a silicon resin.

Inventors:

MIYOSHI MANABU (JP)
MURASE HITOTOSHI (JP)
HAYASHI KEIICHI (JP)
SUZUKI SHINJI (JP)

Application Number:

PCT/JP2010/065447

Publication Date:

March 31, 2011

Filing Date:

September 01, 2010

Export Citation:

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Assignee:

TOYOTA JIDOSHOKKI KK (JP)
MIYOSHI MANABU (JP)
MURASE HITOTOSHI (JP)
HAYASHI KEIICHI (JP)
SUZUKI SHINJI (JP)

International Classes:

H01M4/1395; H01M4/134; H01M4/62

Domestic Patent References:

WO2003100888A1

2003-12-04

Foreign References:

JP2007165079A	2007-06-28
JP2006185728A	2006-07-13
JP2009043678A	2009-02-26

Other References: