Provided is a prismatic battery comprising stacked positive electrode plates, negative electrode plates and separator layers therebetween. The positive and negative electrode plates extend beyond a periphery of the electrode stack. The positive electrode plates are fused to form a positive current c
Provided is a prismatic battery comprising stacked positive electrode plates, negative electrode plates and separator layers therebetween. The positive and negative electrode plates extend beyond a periphery of the electrode stack. The positive electrode plates are fused to form a positive current collector, and the negative electrode plates are fused to form a negative current collector. Both the positive and negative electrode plates comprise a metal foam and are compressed between about 42 and 45% of the original thickness.
대표청구항▼
1. A rechargeable prismatic battery comprising: an electrode stack comprised of positive electrode plates and negative electrode plates, wherein: the positive electrode plates each comprise: manganese dispersed throughout a compressed metal foam comprising a polymer binder; andwith the positive elec
1. A rechargeable prismatic battery comprising: an electrode stack comprised of positive electrode plates and negative electrode plates, wherein: the positive electrode plates each comprise: manganese dispersed throughout a compressed metal foam comprising a polymer binder; andwith the positive electrode plates extending beyond a periphery of the electrode stack, and with the positive electrode plates arranged such that the positive electrode plates are aligned with one another and are fused; andthe negative electrode plates each comprise: zinc dispersed throughout a compressed metal foam comprising a polymer binder; andwith the negative electrode plates extending beyond a periphery of the electrode stack, and with the negative electrode plates arranged such that the negative electrode plates are aligned with one another and are fused, andwith both the positive electrode plates and the negative electrode plates compressed between about 42 and 45% of the original thickness. 2. The rechargeable prismatic battery of claim 1, wherein the fused positive electrode plates are connected to a positive terminal. 3. The rechargeable prismatic battery of claim 1, wherein the fused negative electrode plates are connected to a negative terminal. 4. The rechargeable prismatic battery of claim 1, wherein the periphery of the electrode stack of positive electrode plates comprises a finite number of sides, and further wherein the positive electrode plates are fused to form positive current collectors at multiple sides of the electrode stack. 5. The rechargeable prismatic battery of claim 4, wherein the positive current collectors are coextensive with the sides of the electrode stack. 6. The rechargeable prismatic battery of claim 1, wherein the periphery of the electrode stack of negative electrode plates comprises a finite number of sides, and further wherein the negative electrode plates are fused to form negative current collectors at multiple sides of the electrode stack. 7. The rechargeable prismatic battery of claim 6, wherein the positive current collectors are coextensive with the sides of the electrode stack. 8. The rechargeable prismatic battery of claim 1, wherein the periphery of the electrode stack of positive electrode plates comprises an even number of sides, and further wherein the positive electrode plates are fused to form positive current collectors at alternating sides of the electrode stack. 9. The rechargeable prismatic battery of claim 1, wherein the periphery of the electrode stack of negative electrode plates comprises an even number of sides, and further wherein the negative electrode plates are fused to form negative current collectors at alternating sides of the electrode stack. 10. The rechargeable prismatic battery of claim 1, wherein all of the positive electrode plates are of the same shape, and all of the negative electrode plates are of the same shape. 11. The rechargeable prismatic battery of claim 1, wherein all of the positive electrode plate extensions and all of the negative electrode plates are bent at the same angle. 12. The rechargeable prismatic battery of claim 1, wherein carboxy methylcellulose is contained in the compressed metal foam as a polymeric binder. 13. A prismatic battery comprising: an electrode stack comprised of positive electrode plates, negative electrode plates, and separator layers therebetween, wherein: the positive electrode plates extend beyond a periphery of the electrode stack, and the positive electrode plates are arranged such that the positive electrode plates are aligned with one another and are fused together to create a positive current collector, with the positive electrode plates comprising manganese dispersed throughout a compressed metal foam which is compressed between 42 and 45% of the original thickness; andthe negative electrode plates extend beyond a periphery of the electrode stack, and the negative electrode plates are arranged such that the negative electrode plates are aligned with one another and are fused together to create a negative current collector, with the negative electrode plates comprising zinc dispersed throughout a compressed metal foam which is compressed between about 42 and 45% of the original thickness. 14. The prismatic battery of claim 13, wherein the positive current collector is connected to a positive terminal. 15. The prismatic battery of claim 13, wherein the negative current collector is connected to a negative terminal. 16. The prismatic battery of claim 13, wherein the periphery of the electrode stack of positive electrode plates comprises a finite number of sides, and further wherein the positive electrode plates are fused to form positive current collectors at multiple sides of the electrode stack. 17. The prismatic battery of claim 16, wherein the positive current collectors are coextensive with the sides of the electrode stack. 18. The prismatic battery of claim 13, wherein the periphery of the electrode stack of negative electrode plates comprises a finite number of sides, and further wherein the negative electrode plates are fused to form negative current collectors at multiple sides of the electrode stack. 19. The prismatic battery of claim 18, wherein the positive current collectors are coextensive with the sides of the electrode stack. 20. The prismatic battery of claim 13, wherein the periphery of the electrode stack of positive electrode plates comprises an even number of sides, and further wherein the positive electrode plates are fused to form positive current collectors at alternating sides of the electrode stack. 21. The prismatic battery of claim 13, wherein the periphery of the electrode stack of negative electrode plates comprises an even number of sides, and further wherein the negative electrode plates are fused to form negative current collectors at alternating sides of the electrode stack. 22. The prismatic battery of claim 13, wherein all of the positive electrode plates are of the same shape, and all of the negative electrode plates are of the same shape. 23. The prismatic battery of claim 13, wherein all of the positive electrode plates and all of the negative electrode plates are bent at the same angle.
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