Making method of zinc oxide or aluminum-doped zinc oxide coated lithium cobaltate electrode
A technology of aluminum-doped zinc oxide and coated lithium cobalt oxide, which is applied to battery electrodes, circuits, electrical components, etc., can solve problems such as coating and modification of difficult lithium cobalt oxide electrodes, and improve battery cycle performance. The method is simple and The effect of mature technology
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Embodiment 1
[0028] This example is used to illustrate the preparation method of lithium cobaltate electrode and the method of coating and modifying it by radio frequency magnetron sputtering. The specific steps are as follows:
[0029] A. Preparation of conventional lithium cobalt oxide electrode
[0030] Weigh 80 parts by weight of lithium cobaltate, 10 parts by weight of acetylene black and mix evenly, then add 10 parts by weight of polyvinylidene fluoride (PVDF) with N-methylpyrrolidone (NMP) as solvent, mix and grind to make a slurry and uniform Coated on aluminum foil and dried at 110°C to make a conventional lithium cobalt oxide electrode.
[0031] B. Install the target
[0032] Install the zinc oxide (ZnO) target in the magnetron sputtering chamber
[0033] C. Install the substrate
[0034] The prepared conventional lithium cobalt oxide electrode is installed in the magnetron sputtering chamber as a substrate;
[0035] D. Working gas
[0036] Vacuumize the magnetron sputtering c...
Embodiment 2
[0045] This example is used to illustrate the preparation method of lithium cobaltate electrode and the method of coating and modifying it by radio frequency magnetron sputtering. The specific steps are as follows:
[0046] A. Preparation of conventional lithium cobalt oxide electrode
[0047] Weigh 80 parts by weight of lithium cobaltate, 10 parts by weight of acetylene black and mix evenly, then add 10 parts by weight of polyvinylidene fluoride (PVDF) with N-methylpyrrolidone (NMP) as solvent, mix and grind to make a slurry and uniform Coated on aluminum foil and dried at 110°C to make a conventional lithium cobalt oxide electrode.
[0048] B. Install the target
[0049] Install the zinc oxide (ZnO) target in the magnetron sputtering chamber
[0050] C. Install the substrate
[0051] The prepared conventional lithium cobalt oxide electrode is installed in the magnetron sputtering chamber as a substrate;
[0052] D. Working gas
[0053] Vacuumize the magnetron sputtering...
Embodiment 3
[0059] This example is used to illustrate the preparation method of lithium cobaltate electrode and the method of coating and modifying it by radio frequency magnetron sputtering. The specific steps are as follows:
[0060] A. Preparation of conventional lithium cobalt oxide electrode
[0061]Weigh 80 parts by weight of lithium cobaltate, 10 parts by weight of acetylene black and mix evenly, then add 10 parts by weight of polyvinylidene fluoride (PVDF) with N-methylpyrrolidone (NMP) as solvent, mix and grind to make a slurry and uniform Coated on aluminum foil and dried at 110°C to make a conventional lithium cobalt oxide electrode.
[0062] B. Install the target
[0063] Install the aluminum-doped zinc oxide target in the magnetron sputtering chamber (the target contains Al 2 o 3 5.0wt.%);
[0064] C. Install the substrate
[0065] The prepared conventional lithium cobalt oxide electrode is installed in the magnetron sputtering chamber as a substrate;
[0066] D. Workin...
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