Structural battery packs and methods related thereto

1. A structural battery pack comprising:

a hollow elongated member comprising a first end, a second end, and a first interior space between the first and second ends of the hollow elongated member, wherein the hollow elongated member extends longitudinally between the first and second ends of the hollow elongated member; and

one or more batteries disposed around the hollow elongated member between the first and second ends of the hollow elongated member;

wherein each of the one or more batteries comprises:

one or more electrochemical cells; and

a through-hole extending through the respective battery; and

wherein the hollow elongated member is disposed so as to extend through the through-hole of each of the one or more batteries such that the electrochemical cells are disposed outside of the hollow elongated member.

2. The structural battery pack of claim 1 , wherein each of the one or more batteries comprises:

a base comprising a body having a hole disposed in a surface of the body;

an inner wall extending away from the surface of the base and disposed around the hole, wherein the inner wall comprises a first interior side and a first exterior side, wherein the first interior side of the inner wall and the hole form at least part of the through-hole extending through the respective battery, and wherein the through-hole is shaped and sized to fit the hollow elongated member within the through-hole; and

an outer wall extending away from the surface of the base and disposed around the inner wall and the hole, wherein the outer wall comprises a second interior side and a second exterior side, and wherein the outer wall extends away from the surface of the base in the same direction as the inner wall extends from the surface of the base such that the first exterior side of the inner wall faces the second interior side of the outer wall;

wherein a plurality of the electrochemical cells is disposed on the surface of the base and between the first exterior side of the inner wall and the second interior side of the outer wall.

3. The structural battery pack of claim 1 , further comprising a first base, wherein the hollow elongated member extends away from the first base to the first end of the hollow elongated member, wherein the first end of the hollow elongated member is distal to the first base, and wherein each of the one or more batteries are disposed around the hollow elongated member between the first base and the first end of the hollow elongated member.

4. The structural battery pack of claim 3 , further comprising an end cap, wherein the hollow elongated member extends away from the end cap to the second end of the hollow elongated member, wherein the second end of the hollow elongated member is distal to the end cap, and wherein each of the one or more batteries are disposed:

between the end cap and the second end of the hollow elongated member; and

between the end cap and the first base.

5. The structural battery pack of claim 4 , further comprising:

a hollow elongated shell comprising a second interior space between first and second ends of the hollow elongated shell, wherein the hollow elongated shell extends longitudinally between the first and second ends of the hollow elongated shell, wherein the hollow elongated shell extends away from the first base to the first end of the hollow elongated shell, wherein the hollow elongated shell extends away from the end cap to the second end of the hollow elongated shell, and wherein each of the one or more batteries are disposed in the second interior space of the hollow elongated shell; and

one or more protective inserts disposed around the hollow elongated member, wherein the one or more protective inserts are disposed within the second interior space of the hollow elongated shell.

6. The structural battery pack of claim 1 , further comprising: a first wire coupled to a first terminal of the one or more batteries, wherein the first terminal serves as a first end of voltage potential for the one or more batteries, and wherein the first wire extends through the hollow elongated member; a second wire coupled to a second terminal of the one or more batteries, wherein the second terminal serves as a second end of voltage potential for the one or more batteries; wherein the one or more batteries comprises a plurality of rechargeable lithium-ion batteries; and interconnecting bars coupled between each of the plurality of rechargeable lithium-ion batteries such that the plurality of rechargeable lithium-ion batteries are configured to generate the voltage potential.

7. The structural battery pack of claim 6 , wherein each of the one or more batteries comprises:

a second base comprising a body having a hole centrally disposed in a surface of the body;

an inner wall extending away from the surface of the second base and concentrically disposed around and adjacent to the hole, wherein the inner wall comprises a first interior side and a first exterior side, wherein the first interior side of the inner wall and the hole form at least part of the through-hole extending through the respective battery, and wherein the through-hole is shaped and sized to fit the hollow elongated member within the through-hole; and

an outer wall extending away from the surface of the second base and concentrically disposed around the inner wall and the hole, wherein the outer wall comprises a second interior side and a second exterior side, wherein the outer wall extends away from the surface of the base in the same direction as the inner wall extends from the surface of the base such that the first exterior side of the inner wall faces the second interior side of the outer wall, and wherein the second exterior side of the outer wall forms part of an exterior of the respective battery;

wherein a plurality of the electrochemical cells is rechargeable and disposed on the surface of the second base and between the first exterior side of the inner wall and the second interior side of the outer wall.

8. The structural battery pack of claim 7 , wherein the hollow elongated shell has a hexagonal-tube shape, and wherein the end cap and the first base have a hexagonal shape and are sized to align with the first and second ends of the hollow elongated shell, respectively.

9. The structural battery pack of claim 8 , wherein the outer wall has a hexagonal-tube shape.

10. The structural battery pack of claim 3 , further comprising one or more protective inserts disposed around the hollow elongated member, wherein the one or more protective inserts are disposed around the hollow elongated member between the first base and the first end of the hollow elongated member.

11. A structural battery pack comprising:

a hollow elongated member comprising a first interior space between first and second ends of the hollow elongated member;

one or more batteries disposed around the hollow elongated member between the first and second ends of the hollow elongated member;

wherein each of the one or more batteries comprises a through-hole; and

wherein the hollow elongated member is disposed through the through-hole of each of the one or more batteries;

a first base, wherein the hollow elongated member extends away from the first base to the first end of the hollow elongated member, wherein the first end of the hollow elongated member is distal to the first base, and wherein the one or more batteries are disposed around the hollow elongated member between the first base and the first end of the hollow elongated member; and

a hollow elongated shell comprising a second interior space between first and second ends of the hollow elongated shell, wherein the hollow elongated shell extends away from the first base to the first end of the hollow elongated shell, and wherein the batteries are disposed in the second interior space of the hollow elongated shell.

12. The structural battery pack of claim 11 , further comprising an end cap, wherein the hollow elongated member extends away from the end cap to the second end of the hollow elongated member, wherein the hollow elongated shell extends away from the end cap to the second end of the hollow elongated shell, wherein the second end of the hollow elongated member is distal to the end cap, and wherein each of the one or more batteries are disposed:

between the end cap and the second ends of the hollow elongated member and the hollow elongated shell; and

between the end cap and the first base.

13. The structural battery pack of claim 11 , further comprising one or more protective inserts disposed around the hollow elongated member, wherein the one or more protective inserts are disposed within the second interior space of the hollow elongated shell.

14. The structural battery pack of claim 11 , further comprising:

a first wire coupled to a first terminal of the one or more batteries, wherein the first terminal serves as a first end of voltage potential for the one or more batteries, and wherein the first wire extends through the hollow elongated member;

a second wire coupled to a second terminal of the one or more batteries, wherein the second terminal serves as a second end of voltage potential for the one or more batteries;

wherein the one or more batteries comprises a plurality of rechargeable batteries; and

interconnecting bars coupled between each of the plurality of rechargeable batteries such that the plurality of rechargeable batteries is configured to generate the voltage potential.

15. The structural battery pack of claim 11 , wherein the hollow elongated shell has a hexagonal-tube shape.

16. The structural battery pack of claim 15 , further comprising an end cap configured to couple to the first end of the hollow elongated shell;

wherein the hollow elongated member extends away from the end cap to the second end of the hollow elongated member;

wherein the hollow elongated shell extends away from the end cap to the second end of the hollow elongated shell;

wherein the second end of the hollow elongated member is distal to the end cap;

wherein each of the one or more batteries are disposed:

between the end cap and the second end of the hollow elongated member; and

between the end cap and the first base;

wherein each of the one or more batteries comprises:

a second base comprising a body having a hole centrally disposed in a surface of the body;

an inner wall extending away from the surface of the second base and concentrically disposed around and adjacent to the hole, wherein the inner wall comprises a first interior side and a first exterior side, wherein the first interior side of the inner wall and the hole form at least part of the through-hole extending through the respective battery, and wherein the through-hole is shaped and sized to fit the hollow elongated member within the through-hole; and

an outer wall extending away from the surface of the second base and concentrically disposed around the inner wall and the hole, wherein the outer wall comprises a second interior side and a second exterior side, wherein the outer wall extends away from the surface of the base in the same direction as the inner wall extends from the surface of the base such that the first exterior side of the inner wall faces the second interior side of the outer wall, and wherein the second exterior side of the outer wall forms part of an exterior of the respective battery;

wherein a plurality of cells is rechargeable and disposed on the surface of the second base and between the first exterior side of the inner wall and the second interior side of the outer wall;

wherein the end cap and the first base have a hexagonal shape and are sized to align with the first and second ends of the hollow elongated shell, respectively; and

wherein the outer wall has a hexagonal-tube shape.

17. A structural battery pack comprising:

a hollow elongated member comprising a first end, a second end, and a first interior space between the first and second ends of the hollow elongated member, wherein the hollow elongated member extends longitudinally between the first and second ends of the hollow elongated member;

a plurality of batteries configured to be disposed around the hollow elongated member between the first and second ends of the hollow elongated member, wherein each battery of the plurality of batteries comprises:

one or more electrochemical cells; and

a through-hole extending through the respective battery;

wherein the hollow elongated member is configured to be disposed so as to extend through the through-hole of each battery of the plurality of batteries such that the electrochemical cells are disposed outside of the hollow elongated member; and

a hollow elongated shell comprising a second interior space between first and second ends of the hollow elongated shell, wherein the hollow elongated shell extends longitudinally between the first and second ends of the hollow elongated shell, and wherein the hollow elongated shell is configured to house the hollow elongated member and each battery of the plurality of batteries within the second interior space of the hollow elongated shell.

18. The structural battery pack of claim 17 , further comprising:

a base configured to couple to the second end of the hollow elongated shell and to the second end of the hollow elongated member; and

an end cap configured to couple to the second end of the hollow elongated shell and to the second end of the hollow elongated member;

wherein each of the one or more batteries are configured to be disposed between the end cap and the base; and

wherein the hollow elongated shell, the end cap, and the base are configured to house the hollow elongated member and each battery of the plurality of batteries within the second interior space of the hollow elongated shell.

19. The structural battery pack of claim 17 , further comprising one or more protective inserts configured to be disposed around the hollow elongated member, wherein the one or more protective inserts are configured to be disposed within the second interior space of the hollow elongated shell and extend away from the hollow elongated member toward the hollow elongated shell.

20. The structural battery pack of claim 17 , wherein the hollow elongated shell has a hexagonal-tube shape.

21. The structural battery pack of claim 17 , wherein the one or more batteries comprises a plurality of rechargeable batteries, and wherein the structural battery pack further comprises:

a first wire configured to couple to a first terminal of the plurality of rechargeable batteries, wherein the first terminal serves as a first end of voltage potential for the plurality of rechargeable batteries, and wherein the first wire extends through the hollow elongated member;

a second wire configured to couple to a second terminal of the plurality of rechargeable batteries, wherein the second terminal serves as a second end of voltage potential for the plurality of rechargeable batteries; and

interconnecting bars configured to couple between each of the plurality of rechargeable batteries such that the plurality of rechargeable batteries are configured to generate the voltage potential.

22. The structural battery pack of claim 17 , wherein the hollow elongated shell has a hexagonal-tube shape, and wherein each of the one or more batteries comprises:

a second base comprising a body having a hole centrally disposed in a surface of the body;

an inner wall extending away from the surface of the second base and concentrically disposed around and adjacent to the hole, wherein the inner wall comprises a first interior side and a first exterior side, wherein the first interior side of the inner wall and the hole form at least part of the through-hole extending through the respective battery, and wherein the through-hole is shaped and sized to fit the hollow elongated member within the through-hole; and

an outer wall extending away from the surface of the second base and concentrically disposed around the inner wall and the hole, wherein the outer wall comprises a second interior side and a second exterior side, wherein the outer wall extends away from the surface of the base in the same direction as the inner wall extends from the surface of the base such that the first exterior side of the inner wall faces the second interior side of the outer wall, wherein the outer wall has a hexagonal-tube shape, and wherein the second exterior side of the outer wall forms part of an exterior of the respective battery;

wherein a plurality of the electrochemical cells is rechargeable and disposed on the surface of the second base and between the first exterior side of the inner wall and the second interior side of the outer wall.