US 6,746,801 B2Granted

Electrode for lithium secondary battery and lithium secondary battery

AssigneeSanyo Electric Co., Ltd.

InventorsNoriyuki Tamura, Daizo Jito, Ryuji Ohshita, Masahisa Fujimoto, Maruo Kamino, Shin Fujitani

Life of this patent

Estimating the term…

Abstract

An electrode for a lithium secondary battery in which an alloy thin film containing Sn (tin) and In (indium) is formed on the surface of a current collector having a surface roughness Ra of 0.1 μm or more, and a lithium secondary battery using thereof.

Claims9

Dependent claims

An electrode for a lithium secondary battery wherein an alloy thin film containing Sn (tin) and In (indium) is formed on the surface of a current collector having a surface roughness Ra of not less than 0.1 μm.

Dependencies are inferred from the claim text.

Facts

Application: 09/987,167Filed 13 Nov 2001
Priority: JP 2000-34698414 Nov 2000
Published: US 2002/0086215 A14 Jul 2002
Granted: 8 Jun 2004
Term ends: Not estimatedThe source records don’t support an estimate.

Classification16 codes

H01M 4/13
Electrodes composed of, or comprising, active material: electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators;…
H01M 4/0461
Electrochemical doping, intercalation, occlusion or alloying: electrochemical alloying
H01M 4/38
Selection of substances as active materials, active masses, active liquids: of elements or alloys
H01M 4/382
Alkaline or alkaline earth metals elements: lithium

Family

US 2002/0086215 A1Pre-grant publication · published 4 Jul 2002
US 6,746,801 B2This patent

From the US filing history. Foreign family members aren’t listed.

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