Positive electrode active material particles, method for producing the same, and lithium ion battery

JP7708138B2Active Publication Date: 2025-07-15TOYOTA JIDOSHA KK
View PDF 4 Cites 0 Cited by

Patent Information

Application Number
JP2023043303
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-03-17
Publication Date
2025-07-15
Estimated Expiration
2043-03-17

Smart Images

  • Figure 0007708138000004
    Figure 0007708138000004
  • Figure 0007708138000005
    Figure 0007708138000005
  • Figure 0007708138000006
    Figure 0007708138000006
Patent Text Reader

Abstract

To disclose a positive electrode active material particle having the O2-type structure, and having excellent rate characteristics and capacity.SOLUTION: A positive electrode active material particle of the present disclosure has the O2-type structure, has a spherical shape and has a chemical composition represented by LiaNabMnx-pNiy-qCoz-rMp+q+rO2 (wherein 1.0<a<1.30, 0≤b≤0.20, x+y+z=1, and 0≤p+q+r≤0.15, and M is at least one element selected from B, Mg, Al, K, Ca, Ti, V, Cr, Fe, Cu, Zn, Ga, Ge, Sr, Y, Zr, Nb, Mo, and W).SELECTED DRAWING: Figure 1
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Positive electrode active material for use in nonaqueous electrolyte secondary battery and method for manufacturing it

    JP2002313337A

  • Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery arranged by use thereof

    JP2014186937A

  • Nonaqueous electrolyte secondary battery

    JP2016033887A

  • All-solid battery

    JP2019169365A