Lithium-ion secondary battery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9882207
SERIAL NO

14388894

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

In a lithium-ion secondary battery (100), positive electrode active material particles (610) each include a shell portion (612) made of a layered lithium-transition metal oxide, a hollow portion (614) formed inside the shell portion (612), and a through-hole (616) penetrating through the shell portion (612). A positive electrode active material layer (223) has a density A of 1.80 g/cm3≦A≦2.35 g/cm3, and a negative electrode active material layer (243) has a density B of 0.95 g/cm3≦B≦1.25 g/cm3.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • TOYOTA JIDOSHA KABUSHIKI KAISHA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagai, Hiroki Toyota, JP 181 1044

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 30, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 30, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00