Electrode of electrochemical battery, electrochemical battery employing electrode and preparation method of electrochemical battery
A battery electrode and electrochemical technology, applied in the field of electrochemical batteries, can solve problems such as being vulnerable to damage and poor performance of flexible batteries, and achieve the effects of reducing the processing area, increasing energy density, and improving self-discharge performance
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Example Embodiment
[0036] Example 1
[0037] like figure 1 As shown, the schematic diagram of the cross-sectional structure of the electrochemical cell corresponding to this embodiment, as can be seen from the figure, the battery of the present invention is divided into two parts: the cell main body 1-1 and the encapsulation area 2-1 / 2-2; The cell main body 1-1, the negative electrode coating 2 is coated on one surface of the negative electrode current collector 1 as the packaging material, the positive electrode coating 4 is coated on one surface of the positive electrode current collector 3 as the packaging material, and then the separator 5 is applied. Lamination; for the encapsulation area 2-1 / 2-1, it is mainly composed of a water barrier layer (that is, the negative electrode current collector 1 and the positive electrode current collector 3 as the packaging material) and the sealing layer. At the sealing area position, the negative electrode current collector 1 and The positive electrode ...
Example Embodiment
[0046] Example 2
[0047] The difference with Embodiment 1 is that it includes the following steps:
[0048] Preparation of initial film sheet: apply the above-mentioned positive electrode slurry on aluminum foil with a thickness of 10 μm to obtain a coating film area with a length of 60 cm and a width of 50 cm, and the width of the empty foil material area is 4 cm to obtain an initial positive electrode sheet; apply the above-mentioned negative electrode slurry On a copper foil with a thickness of 10 μm, a coating area with a length of 60 cm and a width of 50 cm was obtained, and the width of the empty foil area was 4 cm to obtain an initial negative electrode sheet;
[0049] The rest are the same as those in Embodiment 1, and will not be repeated here.
Example Embodiment
[0050] Example 3
[0051] The difference with Embodiment 1 is that it includes the following steps:
[0052] Preparation of initial film sheet: apply the above-mentioned positive electrode slurry on aluminum foil with a thickness of 15 μm to obtain a coating film area with a length of 60 cm and a width of 50 cm, and the width of the empty foil material area is 4 cm to obtain an initial positive electrode sheet; apply the above-mentioned negative electrode slurry On the copper foil with a thickness of 15 μm, a coating area with a length of 60 cm and a width of 50 cm was obtained, and the width of the empty foil area was 4 cm to obtain an initial negative electrode sheet;
[0053] The rest are the same as those in Embodiment 1, and will not be repeated here.
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