The present disclosure relates to an organic electrode manufactured into a non-woven type by using an electro-spin method, a stretchable battery which is stretchable and shrinkable, utilizing same, and a method of manufacturing the battery.

The present disclosure relates to an organic electrode manufactured into a non-woven type by using an electro-spin method, a stretchable battery which is stretchable and shrinkable, utilizing same, and a method of manufacturing the battery.

A method for assembling a thermal battery. The method including: arranging a plurality of tubes into a cylindrical shape; connecting the plurality of tubes to each other; attaching a first plate to a first end of the connected plurality of tubes into corresponding holes in the first plate; providing an initiation device to the first end of each of the plurality of tubes; filling each of the plurality of tubes from a second end with an exothermic material; assembling thermal battery components inside the connected plurality of tubes; connecting terminal wires to the thermal battery components; and connecting the second end of the connected plurality to a second plate.

The present invention is directed to a laminated film for packaging of pouch-type battery cells, the laminated film comprising a plurality of layers including: a first polymer layer, a second polymer layer, a metal barrier layer disposed between the first polymer layer and the second polymer layer, characterized in that the layers further include a heat spreading layer made of a thermally conductive material, wherein the heat spreading layer is integrated within the laminated film such as to be disposed between the first polymer layer and the second polymer layer.

The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.

The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.

A pouch for a secondary battery having improved stability to an external force and an internal pressure and a secondary battery including the pouch are disclosed. In an aspect, a pouch for a secondary battery implemented based on some embodiments of the disclosed technology includes a pouch cup including a battery cell accommodating portion, a tab receiving portion formed at one end portion of the pouch cup to be in communication with one end of the battery cell accommodating portion, and a supporting portion adjacent to the tab receiving portion at the one end portion of the pouch cup. The supporting portion includes a space separated from the battery cell accommodating portion and the tab receiving portion.

A pouch for a secondary battery having improved stability to an external force and an internal pressure and a secondary battery including the pouch are disclosed. In an aspect, a pouch for a secondary battery implemented based on some embodiments of the disclosed technology includes a pouch cup including a battery cell accommodating portion, a tab receiving portion formed at one end portion of the pouch cup to be in communication with one end of the battery cell accommodating portion, and a supporting portion adjacent to the tab receiving portion at the one end portion of the pouch cup. The supporting portion includes a space separated from the battery cell accommodating portion and the tab receiving portion.

The present disclosure relates to a multilayer composite that may include a first porous layer, and a first barrier layer overlying the first porous layer. The first barrier layer may include a polyaramid material, a polyimide material, or any combination thereof. The multilayer composite may have a flame resistance rating of at least about 180° C. and a 50% strain compression rating of not greater than about 600 kPa.

A cylindrical battery including a battery case and a lid, the battery case having an opening doubly wound and tightened to be sealed by an outer peripheral portion of the lid, wherein an opening-side outer peripheral portion of the battery case has a diameter reduced inward in the radial direction, an outer peripheral surface of the battery case is covered with a label, a space surrounded by the outer peripheral surface of the battery case, the outer peripheral portion of the lid, and the label is provided, and 1.2×T1≤D≤2.7×T1 is satisfied in a range of 0.1 mm≤T1≤0.5 mm, where D is a diameter of an inscribed circle that is tangent to the outer peripheral surface of the battery case, the outer peripheral portion of the lid, and the label, and T1 is a thickness of the battery case.