The present invention provides a positive electrode active material. The positive electrode active material is represented by the following formula (I) and has a BET specific surface area of larger than 5 m 2 /g and not larger than 15 m 2 /g: Li x M 1 y M 3 1-y O 2 â€ƒâ€ƒ(I) wherein M 1 is at least one transition metal element selected from Group 5 elements and Group 6 elements of the Periodic Table, M 3 is at least one transition metal element other than M 1 and selected from among transition metal elements excluding Fe, x is not less than 0.9 and not more than 1.3, and y is more than 0 and less than 1.

Claims

3 · 1 independent · depth 3

3 granted claims

›1.independentA positive electrode active material that is represented by the following formula (I) and has a BET specific surface area of larger than 5 m2/g and no…+2

Classifications

4 codes

IPC · International Patent Classification

Section C — Chemistry; metallurgy

C01G53/00

Section H — Electricity

H01M4/505
H01M4/525
H01M4/131

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Pendency

4.4 y

1,590 days filing → grant

Office actions

non-final + final

Responses

1 RCE

Examiner

Jonathan Jelsma

art unit 1721 · TC 1700

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Citations: 27 back · 0 forward

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130164623 A1	27 Jun 2013

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