About 50 results
https://drivepatents.com/patents/974427 · 28 May 2014
This invention provides a battery including a cylindrical battery case and an electrode group that is smaller than the battery case and is accommodated in the battery case, so as to effectively utilize the configurations of the battery case and the electro...
https://drivepatents.com/patents/976590 · 9 Apr 2014
The leakage of smoke produced from the inside of a battery is to be prevented, and more secure use is to be enabled. A lithium ion battery houses an electrode group in a battery can together with an electrolyte solution. The electrode group includes a posi...
https://drivepatents.com/patents/976559 · 9 Apr 2014
A secondary-battery electrode group unit with its electrodes and current collecting members reliably fixed to each other and enabling a large current flow is provided, and a method of manufacturing the secondary-battery electrode group unit is also provide...
https://drivepatents.com/patents/976383 · 9 Apr 2014
The present invention relates to an anode for a secondary battery, comprising at least two anode wires which are parallel to each other and spirally twisted, each of the anode wires having an anode active material layer coated on the surface of a wire-type...
https://drivepatents.com/patents/978502 · 12 Feb 2014
A core (160, 210, 220, 230, 240) for insertion into an electrode assembly (110) of a rechargeable battery, for instance, comprises a spring member (161, 211, 221, 231, 241), and a pressing member (162, 212, 222, 232, 243) pressing the spring member member ...
https://drivepatents.com/patents/978744 · 5 Feb 2014
According to the present invention, a battery includes: a cylindrical battery case; and an electrode body disposed in the battery case, and including a positive plate, a negative plate, and a separator disposed between the positive plate and the negative p...
https://drivepatents.com/patents/980567 · 25 Dec 2013
The present invention provides a cylindrical lithium-ion secondary battery. The lithium-ion battery of the present invention has a structure in which the value of B/A is optimized, where the distance between an electrode pole to which strip-form lead piece...
https://drivepatents.com/patents/981457 · 4 Dec 2013
Embodiments of the present invention disclose a cylindrical cell, including: a housing 1, at least one hollow cylinder 2, and at least two roll cores 3, upper and lower conductor junction plates 4, upper and lower cover plates 5, two poles 6 at an anode an...
https://drivepatents.com/patents/982983 · 23 Oct 2013
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulating member is mounted on the top of the jelly-roll and the insulati...
https://drivepatents.com/patents/986803 · 18 Sep 2013
A coupling socket of a cable-type secondary battery includes a first connection unit capable of being electrically connected to a terminal of a first polarity electrode of a cable-type secondary battery, a second connection unit capable of being electrical...