Battery with protective packaging
AssigneeFront Edge Technology, Inc.
InventorsJiuh-Ming Liang, Kai-Wei Nieh
Life of this patent
Estimating the term…
Abstract
A battery comprises at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface. A thermoplastic material covers the surface of the battery cell, the thermoplastic material comprising a nitrogen permeability or oxygen permeability that is less than 20 cm3*mm/(m2*day). A cap covers the thermoplastic material.
Claims72
A battery comprising:
- (a) at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) a thermoplastic material on the surface of the battery cell, the thermoplastic material comprising a nitrogen permeability or oxygen permeability that is less than 20 cm3*mm/(m2*day);
- and
- (c) a cap covering the thermoplastic material, the cap being positioned over the battery cell to maintain a separation gap with the battery cell.
A battery fabrication process comprising:
- (a) fabricating at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) selecting a thermoplastic material comprising a nitrogen permeability or oxygen permeability that is less than 20 cm3*mm/(m2*day);
- and
- (c) forming a protective package around the battery cell by laminating the surface of the battery cell to the thermoplastic material and a cap, the cap being positioned over the battery cell to maintain a separation gap with the surface of the battery cell.
A battery comprising:
- (a) at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) a first polymer layer on the surface of the battery cell, the first polymer comprising a thermoset polymer, and a second polymer layer on the first polymer layer, the second polymer comprising a thermoplastic polymer, the first and second polymer layers each comprising a nitrogen permeability or oxygen permeability through the thickness of the polymer layer that is less than 20 cm3*mm/(m2*day);
- and
- (c) a cap covering the first and second polymer layers, the cap being positioned over the battery cell to maintain a separation gap with the surface of the battery cell.
A battery fabrication process comprising:
- (a) fabricating at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) applying a liquid polymer layer to, the surface of the battery cell to form a polymer layer comprising:
- (i) a nitrogen permeability that is less than 20 cm3*mm/(m2*day);
- (ii) an oxygen permeability that is less than 20 cm3*mm/(m2*day);
- and
- (iii) a water permeability of less than 4 g*mm/(m2*day);
- and
- (c) laminating a cap to the polymer layer on the surface of the battery cell.
A battery fabrication process comprising:
- (a) fabricating at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) selecting a cap;
- (c) forming a polymer coated battery cell by coating a surface of the battery cell with a thermoset polymer comprising:
- (i) a nitrogen permeability that is less than 20 cm3*mm/(m2*day);
- (ii) an oxygen permeability that is less than 20 cm3*mm/(m2*day);
- and
- (iii) a water permeability of less than 4 g*mm/(m2*day);
- and
- (d) laminating the cap to the thermoset polymer coated battery cell, the cap being positioned over the battery cell to maintain a separation gap with the surface of the battery cell.
A battery comprising:
- (a) at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) a thermoset material on the surface of the battery cell, the thermoset material comprising a thermoset polyurethane having:
- (i) a water permeability of less than 4 g*mm/(m2*day);
- (ii) an elastic modulus of less than 2 GPa;
- and
- (iii) a nitrogen permeability or oxygen permeability of less than 20 cm3*mm/(m2*day);
- and
- (c) a cap covering the surface of the thermoset material, the cap being positioned over the battery cell to maintain a separation gap with the battery cell.
A battery comprising:
- (a) a substrate comprising a first surface comprising a first battery cell having a surface with a central portion and a peripheral portion;
- (b) a first polymer covering the central portion of the surface;
- (c) a second polymer covering the peripheral portion of the surface, the second polymer being a different polymer than the first polymer;
- and
- (d) a cap covering the exposed surface of the first and second polymers.
A battery fabrication process comprising:
- (a) fabricating at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte;
- (b) selecting a thermoplastic material comprising a nitrogen permeability or oxygen permeability that is less than 20 cm3*mm/(m2*day);
- and
- (c) laminating the thermoplastic material to a cap to form a laminated thermoplastic cap, and thereafter, laminating the laminated thermoplastic cap to the battery cell.
A battery fabrication process comprising:
- (a) fabricating at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte;
- (b) selecting a thermoplastic material comprising a nitrogen permeability or oxygen permeability that is less than 20 cm3*mm/(m2*day);
- and
- (c) coating a cap with a liquid layer of thermoplastic material to form a laminated thermoplastic cap, and thereafter, laminating the laminated thermoplastic cap to the battery cell.
A battery comprising:
- (a) a substrate comprising a first surface comprising a battery cell having a central portion and a peripheral portion;
- (b) a first polymer composed of thermoset polyurethane covering the central portion, the first polymer having an elastic modulus of less than 1 GPa;
- and
- (c) a second polymer composed of PVDC covering the peripheral portion, the second polymer having an oxygen permeability of less than 20 cm3*mm/(m2*day).
A battery comprising:
- (a) at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) a thermoplastic material on the surface of the battery cell, the thermoplastic material comprising:
- (i) a nitrogen permeability that is less than 20 cm3*mm/(m2*day);
- (ii) an oxygen permeability that is less than 20 cm3*mm/(m2*day);
- and
- (iii) a water permeability of less than 4 g*mm/(m2*day);
- and
- (c) a cap covering the thermoplastic material, the cap being positioned over the battery cell to maintain a separation gap with the surface of the battery cell.
A battery fabrication process comprising:
- (a) fabricating at least one battery cell on a support, the battery cell comprising a plurality of electrodes about an electrolyte, and having a surface;
- (b) selecting a polymer;
- (c) selecting a cap;
- and
- (d) forming a protective package around the battery cell by coating the cap with a liquid layer of the polymer to form a polymer coated cap, and laminating the polymer coated cap to the surface of the battery cell.
Dependencies are inferred from the claim text.