Case For Batteries And Preparation Method Thereof
First Claim
1. A battery casing, comprising one or more sub-layers as constitutional elements, wherein at least one region selected from the group consisting of a surface of the casing and the sub-layers of the casing is coated partially or totally with a metal having a grain size of 50 nm or less.
2 Assignments
0 Petitions
Accused Products
Abstract
Disclosed is a battery casing, comprising one or more sub-layers as constitutional elements, wherein at least one region selected from the group consisting of a surface of the casing and the sub-layers of the casing is coated partially or totally with a metal having a grain size of 50 nm or less. A battery comprising the same casing is also disclosed. The casing efficiently inhibits degradation of the safety of a battery, caused by internal or external factors, and thus provides a battery with excellent safety.
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Citations
22 Claims
- 1. A battery casing, comprising one or more sub-layers as constitutional elements, wherein at least one region selected from the group consisting of a surface of the casing and the sub-layers of the casing is coated partially or totally with a metal having a grain size of 50 nm or less.
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13. A method for manufacturing a battery casing, coated with a metal having a grain size of 50 nm or less, which comprises the steps of:
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(a) dissolving a nickel precursor compound or a nickel-containing alloy precursor compound into a solvent; (b) dipping a battery casing or metal foil forming the casing into the solution so that the casing is coated with the solution; and (c) drying the coated casing or metal foil. - View Dependent Claims (14, 15, 16, 18, 19, 21, 22)
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17. (canceled)
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20. (canceled)
Specification