Cable-type secondary battery
AssigneeLG Chem, Ltd.
InventorsYo-Han Kwon, Hyo-Mi Kim, Je-Young Kim, Hye-Ran Jung
Life of this patent
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Abstract
Provided is a cable-type secondary battery extending longitudinally including a lithium ion supplying core comprising an electrolyte, an inner electrode support of a hollow structure formed to surround an outer surface of the lithium ion supplying core, an inner electrode formed on a surface of the inner electrode support and including an inner current collector and an inner electrode active material, a separation layer formed to surround an outer surface of the inner electrode to prevent a short circuit between electrodes, and an outer electrode formed to surround an outer surface of the separation layer and including an outer electrode active material layer and an outer current collector.
Claims36
A cable-type secondary battery extending longitudinally, comprising:
- a lithium ion supplying core comprising an electrolyte;
- an inner electrode support of a hollow structure formed to surround an outer surface of the lithium ion supplying core;
- an inner electrode formed on a surface of the inner electrode support, and including an inner current collector and an inner electrode active material layer;
- a separation layer formed to surround an outer surface of the inner electrode to prevent a short circuit between electrodes;
- and
- an outer electrode formed to surround an outer surface of the separation layer, and including an outer electrode active material layer and an outer current collector.
A cable-type secondary battery extending longitudinally, comprising:
- at least two lithium ion supplying cores comprising an electrolyte;
- an inner electrode support of a hollow structure formed to surround an outer surface of each of the lithium ion supplying cores;
- at least two inner electrodes formed on a surface of the inner electrode support and arranged in parallel to one another, each including an inner current collector and an inner electrode active material layer;
- a separation layer formed to surround the outer surfaces of the inner electrodes all together to prevent a short circuit between electrodes;
- and
- an outer electrode formed to surround the outer surface of the separation layer, and including an outer electrode active material layer and an outer current collector.
A cable-type secondary battery extending longitudinally, comprising:
- at least two lithium ion supplying cores comprising an electrolyte;
- an inner electrode support of a hollow structure formed to surround an outer surface of each of the lithium ion supplying cores;
- at least two inner electrode-separation layer assemblies formed on a surface of the inner electrode support and arranged in parallel to one another, each including an inner electrode having an inner current collector and an inner electrode active material layer and a separation layer formed to surround an outer surface of the inner electrode;
- and
- an outer electrode formed to surround outer surfaces of the inner electrode-separation layer assemblies all together, and including an outer electrode active material layer and an outer current collector.
A cable-type secondary battery extending longitudinally, comprising:
- at least two lithium ion supplying cores comprising an electrolyte;
- an inner electrode support of a hollow structure formed to surround an outer surface of each of the lithium ion supplying cores;
- at least two inner electrodes formed on a surface of the inner electrode support and arranged in parallel to one another, each including an inner electrode active material layer and an inner current collector;
- an electrolyte absorption layer formed on an outer surface of the inner electrode;
- a separation layer formed to surround the inner electrodes having the electrolyte absorption layers all together to prevent a short circuit between electrodes;
- and
- an outer electrode formed to surround an outer surface of the separation layer all together, and including an outer electrode active material layer and an outer current collector.
A cable-type secondary battery extending longitudinally, comprising:
- at least two lithium ion supplying cores comprising an electrolyte;
- an inner electrode support of a hollow structure formed to surround an outer surface of each of the lithium ion supplying cores;
- at least two inner electrodes formed on a surface of the inner electrode support and arranged in parallel to one another, each including an inner electrode active material layer and an inner current collector;
- an electrolyte absorption layer formed on an outer surface of the inner electrode;
- and
- an outer electrode formed to surround the inner electrodes having the separation layers all together, and including an outer electrode active material layer and an outer current collector.
A cable-type secondary battery extending longitudinally, comprising:
- at least two lithium ion supplying cores comprising an electrolyte;
- an inner electrode support of a hollow structure formed to surround an outer surface of each of the lithium ion supplying cores;
- at least two inner electrodes formed on a surface of the inner electrode support and arranged in parallel to one another, each including an inner electrode active material layer and an inner current collector;
- a first electrolyte absorption layer formed on an outer surface of the inner electrode;
- a separation layer formed to surround the inner electrodes having the first electrolyte absorption layers all together to prevent a short circuit between electrodes;
- a second electrolyte absorption layer formed on an outer surface of the separation layer;
- and
- an outer electrode formed to surround an outer surface of the second electrolyte absorption layer, and including an outer electrode active material layer and an outer current collector.
Dependencies are inferred from the claim text.