1. A method of making a battery, the method comprising:
passing a mandrel that has a transverse cross-section having a first dimension and a second dimension that is larger than the first dimension through an opening defined by a pellet comprising an electrode composition; and
applying pressure to the pellet to form an electrode,
wherein the pressure is applied to the pellet either while the mandrel is passed through the opening or after the mandrel is passed through the opening.
2. The method of claim 1, wherein the first dimension is a first diameter of the mandrel.
3. The method of claim 1, wherein the second dimension is a second diameter of the mandrel.
4. The method of claim 1, wherein passing a mandrel through an opening defined by a pellet comprises forming at least one groove in the pellet.
5. The method of claim 1, wherein applying pressure to the pellet comprises contacting the pellet with a sleeve slidably receiving the mandrel.
6. The method of claim 5, wherein contacting the pellet with a sleeve comprises applying a pressure of at least about one psi to the sleeve.
7. The method of claim 5, wherein contacting the pellet with a sleeve comprises applying a pressure of at most about 5,000 psi to the sleeve.
8. The method of claim 5, wherein contacting the pellet with a sleeve comprises flowing a portion of the pellet toward the mandrel.
9. The method of claim 1, wherein the opening defined by the pellet has a first dimension of at least about 0.1 millimeter.
10. The method of claim 9, wherein the opening defined by the pellet has a second dimension of at least about 0.1 millimeter.
11. The method of claim 1, wherein the opening defined by the pellet has a dimension of at least about 21.5 millimeters.
12. The method of claim 1, wherein the first dimension of the transverse-cross section of the mandrel is at most about 80 millimeters.
13. The method of claim 1, wherein the second dimension of the transverse-cross section of the mandrel is at most about 80 millimeters.
14. The method of claim 1, wherein a difference between the second dimension and the first dimension of the transverse cross-section of the mandrel is at least 0.0001 millimeter.
15. The method of claim 1, wherein a difference between the second dimension and the first dimension of the transverse cross-section of the mandrel is at least about 1.5 millimeters.
16. The method of claim 1, wherein the mandrel comprises a ceramic, steel, a carbide, or a combination thereof.
17. The method of claim 1, wherein the mandrel comprises yttrium-stabilized zirconia.
18. The method of claim 1, wherein the mandrel comprises at least one lobe.
19. The method of claim 18, wherein the mandrel comprises a mandrel body.
20. The method of claim 19, wherein the at least one lobe is integrally formed with the mandrel body.
21. The method of claim 19, wherein the mandrel body has a circular transverse cross-section.
22. The method of claim 19, wherein the mandrel body has a non-circular transverse cross-section.
23. The method of claim 18, wherein the at least one lobe has a rounded surface.
24. The method of claim 18, wherein the at least one lobe has an angular surface.
25. The method of claim 1, further comprising disposing the pellet in a housing.
26. The method of claim 25, wherein the housing has a circular transverse cross-section.
27. The method of claim 25, wherein the housing has a non-circular transverse cross-section.
28. The method of claim 25, wherein the pellet has an exterior surface and the housing has an interior surface, and a distance between the interior surface of the housing and the exterior surface of the pellet is at least 0.0001 millimeter.
29. The method of claim 25, wherein the pellet has an exterior surface and the housing has an interior surface, and a distance between the interior surface of the housing and the exterior surface of the pellet is at least about 0.08 millimeter.
30. The method of claim 1, wherein the pellet comprises a cathode composition.
31. The method of claim 1, wherein the opening defined by the pellet has a dimension, and a difference between the dimension of the opening and the second dimension of the transverse cross-section of the mandrel is at least 0.0001 millimeter.
32. The method of claim 1, wherein the opening defined by the pellet has a dimension, and a difference between the dimension of the opening and the second dimension of the transverse cross-section of the mandrel is at least about 0.3 millimeter.
33. The method of claim 1, wherein the opening defined by the pellet has a dimension, and a difference between the dimension of the opening and the first dimension of the transverse cross-section of the mandrel is at least about 0.1 millimeter.
34. The method of claim 1, wherein the pellet is cylindrical.
35. The method of claim 1, wherein the pellet has a non-circular transverse cross-section.
36. The method of claim 1, wherein the mandrel has a sinusoidal cross-section.
37. The method of claim 1, wherein the mandrel has a transverse cross-section defining a sinusoidal surface.
38. A method of making a battery, the method comprising:
contacting a mandrel comprising at least one lobe with an interior region of a pellet comprising an electrode composition; and then
applying pressure to the pellet to form an electrode.
39. A method of making a battery, the method comprising:
contacting a mandrel with a pellet comprising an electrode composition and having an opening defining an interior surface of the pellet;
forming at least one groove in the interior surface of the pellet; and
applying pressure to the pellet to form an electrode,
wherein the pressure is applied to the pellet either during formation of the at least one groove or after formation of the at least one groove.
40. A method of making a battery, the method comprising:
placing a plurality of pellets in a housing, each of the pellets comprising an electrode composition and having an opening that defines an interior surface of the pellet;
forming at least one groove in the interior surfaces of the pellets with a mandrel that has a transverse cross-section having a first dimension and a second dimension that is larger than the first dimension;
compacting the pellets with a sleeve that slidably receives the mandrel either during formation of the at least one groove or after formation of the at least one groove;
placing a separator in the housing; and
placing an anode in the housing.
41. The method of claim 40, wherein the plurality of pellets comprises four pellets.
42. The method of claim 41, wherein the mandrel has a sinusoidal cross-section.
43. The method of claim 42, wherein the plurality of pellets each comprise a cathode composition.
44. A method of making a battery, the method comprising:
passing a mandrel through an opening defined by a pellet comprising an electrode composition,
wherein the mandrel has a sinusoidal cross-section.
45. The method of claim 44, wherein the mandrel has a transverse cross-section defining a sinusoidal surface.
46. A method of making a battery, the method comprising:
placing a mandrel comprising at least one lobe into an opening defined by a pellet comprising an electrode composition; and then
applying pressure to the pellet to form an electrode.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A stator of an electric motor, comprising:
a stator;
a lead wire wiring component that is assembled to one end of the stator in an axial direction and on which a lead wire is laid;
a lead wire leading component leading the lead wire; and
a molding resin portion integrally covering the stator, the lead wire wiring component, and the lead wire leading component, wherein
the lead wire wiring component includes a lead wire guide guiding the lead wire to the lead wire leading component,
the lead wire leading component is capable of being assembled to the lead wire guide, and
the lead wire leading component is detached from the lead wire guide in the molding resin portion.
2. The stator of an electric motor according to claim 1, wherein the lead wire leading component has a structure capable of being assembled to the lead wire guide.
3. The stator of an electric motor according to claim 1, wherein
the lead wire leading component includes a projection portion capable of being assembled to the lead wire guide, and
the projection portion is detached from the lead wire guide in the molding resin portion.
4. The stator of an electric motor according to claim 3, wherein the projection portion extends inward in a radial direction of the stator from the lead wire leading component.
5. The stator of an electric motor according to claim 4, wherein
the projection portion includes first and second projection portions that are arranged such that the first and second projection portions are separated from each other in the axial direction, and
the lead wire leading component is capable of being assembled to the lead wire wiring component by fitting the first and second projection portions into the lead wire guide.
6. The stator of an electric motor according to claim 3, wherein the projection portion extends from the lead wire leading component toward another end of the stator in the axial direction.
7. The stator of an electric motor according to claim 6, wherein the projection portion extends inward in the radial direction of the stator from the lead wire leading component and is then bent in the axial direction to extend toward the another end of the stator in the radial direction.
8. The stator of an electric motor according to claim 3, wherein the projection portion includes a hook portion that is engaged with the lead wire guide.
9. The stator of an electric motor according to claim 1, wherein the lead wire leading component is assembled to the lead wire guide when the stator is assembled, and the lead wire leading component is detached from the lead wire guide before molding.
10. An electric motor comprising the stator of an electric motor according to claim 1.
11. An air conditioner comprising the electric motor according to claim 10.
12. A method of manufacturing a stator of an electric motor, the method comprising:
assembling a lead wire leading component to a lead wire guide of a lead wire wiring component;
laying a lead wire on the lead wire wiring component;
assembling the lead wire wiring component to a stator to manufacture a stator assembly;
detaching the lead wire leading component from the lead wire guide when the stator assembly is placed in a mold; and
integrally molding the stator assembly with molding resin.