Conformal Wearable Battery

A conformal wearable battery comprising:

• a plurality of battery cells;
• and
• a folded flexible printed circuit board (PCB) comprising:
• a bend axis that delineates an upper portion of the folded flexible PCB and a lower portion of the folded flexible PCB, wherein each battery cells of the plurality of battery cells is affixed to the folded flexible PCB;
• and
• a central stiffener positioned between and affixed to the upper portion of the folded flexible PCB and the lower portion of the folded flexible PCB, the central stiffener comprising a non-metallic laminate layer that includes a first plurality of fibers oriented at an acute angle relative to a lower edge of the laminate layer.

A conformal wearable battery that includes a housing that receives a battery cell core pack assembly, comprising:

• a battery cell core pack assembly comprising:
• a folded flexible printed circuit board (PCB), wherein a bend axis that delineates an upper portion of the flexible PCB and a lower portion of the flexible PCB;
• a plurality of battery cells affixed to the flexible PCB;
• and
• a non-metallic central stiffener positioned between the upper portion of the folded flexible PCB and the lower portion of the folded flexible PCB, the central stiffener including a plurality of laminate layers, wherein each laminate layer of the plurality of laminate layers comprises a plurality of fibers, wherein a first plurality of fibers in a first laminate layer of the plurality of laminate layers is oriented at a first acute angle relative to a lower edge of the first laminate layer.

A system comprising:

• a battery cell core pack assembly comprising:
• a folded flexible printed circuit board (PCB), wherein a bend axis that delineates an upper portion of the folded flexible PCB and a lower portion of the folded flexible PCB;
• a plurality of battery cells affixed to the flexible PCB, wherein each battery cell of the plurality of battery cells is a pouch cell type battery;
• and
• a central stiffener positioned between the upper portion and the lower portion of the flexible PCB, the central stiffener comprising a plurality of laminate layers, wherein each laminate layer of the plurality of laminate layers comprises a plurality of fibers, wherein a first plurality of fibers in a first laminate layer of the plurality of laminate layers is oriented at an angle of approximately 45 degrees relative to a lower edge of the first laminate layer and a second plurality of fibers in a second laminate layer of the plurality of laminate layers is oriented at an angle of approximately 45 degrees relative to the lower edge of the first laminate layer;
• and
• wherein the first plurality of fibers comprises at least one fiber that is continuous and extends between two edges of the laminate layer.