Battery manufacturing method and battery manufacturing system

Abstract

The disclosed battery manufacturing method comprises the steps of: identifying a first interval between a plurality of reference points of an electrode sheet on the basis of a first encoder; identifying a second interval between the plurality of reference points of the electrode sheet on the basis of a second encoder; and adjusting parameters associated with the first encoder on the basis of the second interval between the plurality of reference points.

Claims

1. A step of identifying a first interval of a plurality of reference points of an electrode sheet based on a first encoder; A step of identifying a second interval of the plurality of reference points of the electrode sheet based on a second encoder; and A battery manufacturing method comprising the step of adjusting a parameter associated with the first encoder based on the second interval of the plurality of reference points.

2. In Paragraph 1, The first encoder above is a contact encoder including a rotating wheel, and A battery manufacturing method characterized in that the second encoder is a non-contact encoder.

3. In Paragraph 2, A battery manufacturing method comprising at least one of the above parameters, the circumference value of the rotating wheel and the distance traveled by the electrode sheet per pulse signal of the first encoder.

4. In Paragraph 1, The step of adjusting the parameter associated with the first encoder based on the second interval of the plurality of reference points is, A battery manufacturing method characterized by adjusting the parameter associated with the first encoder so that the first interval becomes equal to the second interval.

5. In Paragraph 1, The step of adjusting the parameter associated with the first encoder based on the second interval of the plurality of reference points is, A battery manufacturing method characterized by further based on a plurality of electrode tabs of the electrode sheet.

6. In Paragraph 5, The step of adjusting the parameter associated with the first encoder based on the second interval of the plurality of reference points is, A battery manufacturing method characterized by adjusting the parameter associated with the first encoder so that the first interval becomes equal to the second interval based on the number of the plurality of electrode tabs.

7. In Paragraph 5, The step of adjusting the parameter associated with the first encoder based on the second interval of the plurality of reference points is, A battery manufacturing method characterized by adjusting the parameter associated with the first encoder so that the first interval becomes equal to the second interval based on the coordinates of the plurality of electrode tabs.

8. In Paragraph 1, The step of identifying the second interval of the plurality of reference points of the electrode sheet based on the second encoder is, A battery manufacturing method characterized by being temporally later than the step of identifying the first interval of the plurality of reference points of the electrode sheet based on the first encoder.

9. In Paragraph 1, A battery manufacturing method characterized in that the first encoder is associated with a roll press process that presses the electrode sheet.

10. In Paragraph 1, A battery manufacturing method characterized in that the second encoder is associated with a notching process for forming an electrode tab on the electrode sheet.

11. A battery manufacturing system comprising an encoder management system configured to receive first position information of a plurality of reference points of an electrode sheet based on a first encoder and second position information of the plurality of reference points of the electrode sheet based on a second encoder, and configured to transmit parameters associated with the first encoder.

12. In Paragraph 11, A battery manufacturing system characterized in that the encoder management system is configured to adjust the parameters based on the second position information of the plurality of reference points.

13. In Paragraph 11, The first encoder above is a contact encoder including a rotating wheel, and A battery manufacturing system characterized in that the second encoder is a non-contact encoder.

14. In Paragraph 13, A battery manufacturing system, wherein the above parameters include at least one of the circumference value of the rotating wheel and the distance traveled by the electrode sheet per pulse signal of the first encoder.

15. In Paragraph 11, A battery manufacturing system characterized in that the first position information includes a first interval of a plurality of reference points of the electrode sheet, and the second position information includes a second interval of a plurality of reference points of the electrode sheet.

16. In Paragraph 15, A battery manufacturing method characterized in that the encoder management system is configured to adjust the parameter associated with the first encoder based on the second interval of the plurality of reference points so that the first interval becomes equal to the second interval.

17. In Paragraph 16, A battery manufacturing system characterized in that the encoder management system further adjusts the parameter associated with the first encoder based on a plurality of electrode tabs of the electrode sheet.

18. In Paragraph 17, A battery manufacturing system characterized by the encoder management system adjusting the parameter associated with the first encoder so that the first interval becomes equal to the second interval based on the number of the plurality of electrode tabs.

19. In Paragraph 17, A battery manufacturing system characterized by the encoder management system adjusting the parameter associated with the first encoder based on the coordinates of the plurality of electrode tabs so that the first interval becomes equal to the second interval.

20. In Paragraph 11, A battery manufacturing system characterized in that the first encoder is associated with a roll press process that presses the electrode sheet.

21. In Paragraph 11, A battery manufacturing system characterized in that the second encoder is associated with a notching process for forming an electrode tab on the electrode sheet.

22. In Paragraph 11, The above encoder management system is, A battery manufacturing system characterized by being configured to receive the first position information from the first PLC of the roll press device, receive the second position information from the second PLC of the notching device, and transmit the parameter to the second PLC of the notching device.

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