Positive electrode for lithium-air battery and method for preparing the same
First Claim
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1. A lithium-air battery comprising:
- a positive electrode; and
a negative electrode disposed opposite to the positive electrode, and receiving and releasing lithium ions; and
an electrolyte provided between the negative electrode and the positive electrode,wherein said positive electrode comprises;
a positive electrode collector formed with a porous metal; and
a positive electrode active layer provided on the positive electrode collector, and including a conductive material and a catalyst for oxygen reduction,wherein the porous metal is metal foil, andwherein the porous metal has a porosity of 50% or less.
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Abstract
The present disclosure relates to a positive electrode for a lithium-air battery and a method for preparing the same, and the positive electrode for a lithium-air battery according to the present disclosure has advantages in that it improves electrical conductivity and mechanical strength of an electrode, and increases loading amounts.
23 Citations
16 Claims
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1. A lithium-air battery comprising:
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a positive electrode; and a negative electrode disposed opposite to the positive electrode, and receiving and releasing lithium ions; and an electrolyte provided between the negative electrode and the positive electrode, wherein said positive electrode comprises; a positive electrode collector formed with a porous metal; and a positive electrode active layer provided on the positive electrode collector, and including a conductive material and a catalyst for oxygen reduction, wherein the porous metal is metal foil, and wherein the porous metal has a porosity of 50% or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16)
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11. A method for preparing a lithium-air battery, the method comprising:
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forming a positive electrode active layer by coating a positive electrode material including a conductive material and a catalyst for oxygen reduction on a surface of a positive electrode collector formed with a porous metal, wherein the porous metal is metal foil, and wherein the porous metal has a porosity of 50% or less. - View Dependent Claims (12)
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Specification