Active material and fluoride ion battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTakeshi Tojigamori
Life of this patent
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Abstract
A main object of the present disclosure is to provide an active material of which capacity properties are excellent. The present disclosure achieves the object by providing an active material to be used for a fluoride ion battery, the active material comprising: a composition represented by M1Nx in which M1 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3; or a composition represented by M2LnyNz in which M2 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one kind of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6.
Claims13
A cathode active material layer to be used for a fluoride ion battery, the cathode active material layer contains an active material comprising:
- a composition represented by M1Nx in which M1 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3;
- or
- a composition represented by M2LnyNz in which M2 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one element selected from the group consisting of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6, wherein
- a content of the active material therein is 30 weight % or more, and
- the cathode active material layer contains an inorganic solid electrolyte having fluoride ion conductivity.
A cathode active material layer to be used for a fluoride ion battery, the cathode active material layer contains an active material comprising:
- a composition represented by M1Nx in which M1 is at least one element selected from the group consisting of Cu, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3;
- or
- a composition represented by M2LnyNz in which M2 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one element selected from the group consisting of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6, and
- the cathode active material layer contains an inorganic solid electrolyte having fluoride ion conductivity.
Dependencies are inferred from the claim text.