Aluminium hardness foil for cell current collector
A technology of aluminum hard foil and battery set, which is applied in the direction of battery electrodes, electrode carriers/current collectors, circuits, etc., can solve the problems of unsatisfactory use of batteries, stop of production lines, large resistance, etc., to prevent foil breakage and prevent failures , the effect of low resistance
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[0092] As mentioned above, the mode for implementing the present invention has been described, and the following is a comparison with a comparative example that does not satisfy the requirements of the present invention to specifically describe an example in which the effect of the present invention is confirmed. It should be noted that the present invention is not limited to this embodiment.
[0093] 〔For the production of test materials〕
[0094] (Invention Examples No. 1-9, Comparative Examples No. 10-20)
[0095] The aluminum of the composition shown in Table 1 was dissolved and cast to form an ingot, and the ingot was subjected to face cutting and then subjected to a homogenization heat treatment in the range of 360 to 650°C for 2 to 4 hours. The homogenized ingot was subjected to hot rolling and cold rolling, followed by intermediate annealing, and then cold rolling to a thickness of 15 μm to form an aluminum foil. The conditions of intermediate annealing and ...
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