Anode, method for manufacturing same by using electrolytic deposition, and device for manufacturing same
An anode is provided. The anode can comprise a three dimensional current collector and an anode active material layer provided on the surface of the three dimensional current collector.
1 . An anode electrode comprising:
a three dimensional current collector; and
an anode active material layer provided on a surface of the three dimensional current collector,
wherein the anode active material layer includes at least one of sodium, potassium, magnesium, aluminum, zinc, or iron,
wherein the anode active material layer comprises both an amorphous region and crystalline regions,
wherein a proportion of the amorphous region in the anode active material layer is greater than a proportion of the crystalline regions in the anode active material layer,
wherein the crystalline regions are randomly distributed to be spaced apart from each other in the amorphous region, and
wherein the anode active material layer has a thickness that is greater than or equal to 50 μm and less than or equal to 100 μm.
2 . The anode electrode of claim 1 , wherein
the three dimensional current collector has a form in which a plurality of fibers constitute a network, and
the anode active material layer is deposited on a surface of the plurality of fibers.
3 . The anode electrode of claim 2 , wherein the anode active material layer is provided on the surface of the plurality of fibers to provide a pore between the plurality of fibers.
4 . The anode electrode of claim 1 , wherein the anode active material layer includes at least one of sodium, potassium, zinc, or iron.
5 . The anode electrode of claim 1 , wherein the three dimensional current collector comprises a metal nanowire or a metal nanotube.
6 . A secondary battery comprising:
the anode electrode according to claim 1 ;
a cathode electrode on the anode electrode; and
a solid electrolyte between the anode electrode and the cathode electrode.
7 . The secondary battery of claim 6 , wherein
the solid electrolyte comprises a compound in which a cation and an anion are bound,
the cation comprises thiophenium, and
the anion comprising fluorohydrogenate.
8 . An anode electrode comprising:
a current collector; and
an anode active material layer disposed on the current collector and including a base metal,
wherein the anode active material layer has a plurality of crystalline regions randomly distributed to be spaced apart from each other in an amorphous region,
wherein a proportion of the amorphous region in the anode active material layer is greater than a proportion of the plurality of crystalline regions in the anode active material layer,
wherein the anode active material layer has a thickness that is greater than or equal to 50 μm and less than or equal to 100 μm,
wherein the anode active material layer is electrolytically deposited using an electrolytic solution that includes a metal salt, and
wherein the metal salt comprises a compound of the base metal, fluorine, and hydrogen.
9 . A secondary battery comprising:
the anode electrode according to claim 8 ;
a cathode electrode on the anode electrode; and
a solid electrolyte between the anode electrode and the cathode electrode.