Metal lithium negative electrode for lithium battery and lithium battery
A metal lithium and lithium battery technology, which is applied in the field of metal lithium negative electrodes, can solve the problems of not achieving the practical effect of metal lithium, reactive side reactions, loss of active materials, etc., and achieves suppression of side reactions, stable properties, and high stability. Effect
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Embodiment 1
[0025] Preparation of lithium battery:
[0026] First prepare the metal lithium foil negative electrode loaded with tricobalt tetroxide on the surface, put the metal lithium into the magnetron sputtering chamber in the form of roll-to-roll, and then put the sputtering target containing tricobalt tetroxide into the magnetron sputtering target position, set the sputtering Parameters: sputtering vacuum 2Pa, reaction gas of argon, deposition power of 120W, deposition time of 15 minutes, the thickness of obtained cobalt tetroxide layer is 0.5 micron, and the thickness of metal lithium foil is 100 micron. Choose Li[Ni 1 / 3 CO 1 / 3 mn 1 / 3 ]O is the positive electrode material, the aluminum foil is the positive electrode current collector, and the electrolyte contains LiPF 6 The concentration is 1mol / L, the volume ratio of organic solvent PC:DMC:EMC=1:1:1, the aluminum tab is the lead terminal, and the soft pack battery packed with aluminum-plastic film is prepared according to the m...
Embodiment 2
[0028] First prepare the metal lithium foil negative electrode loaded with cobalt-lanthanum composite oxide on the surface, put the metal lithium into the magnetron sputtering chamber in the form of roll-to-roll, and then put the sputtering target containing the mixture of tricobalt tetroxide and lanthanum oxide into the magnetron sputtering On the target position, set the sputtering parameters: the sputtering vacuum is 1Pa, the reaction gas is argon, the deposition power is 150W, and the deposition time is 10 minutes. The thickness of the obtained cobalt-lanthanum composite oxide layer is 1 micron, and the thickness of the metal lithium foil It is 150 microns, and the surface is covered with a conductive layer of carbon nanotubes with a thickness of 0.5 microns. Choose LiFePO 4 It is the positive electrode material, the aluminum foil is the positive electrode current collector, and the electrolyte contains LiPF 6 The concentration is 1mol / L, the volume ratio of organic solve...
Embodiment 3
[0030] First prepare the metal lithium foil negative electrode with copper sulfide on the surface, put the metal lithium boron alloy into the magnetron sputtering chamber in the form of roll-to-roll, and then put the sputtering target containing copper sulfide into the magnetron sputtering target position , set the sputtering parameters: the sputtering vacuum is 1.5Pa, the reaction gas is argon, the deposition power supply is 100W, and the deposition time is 10 minutes. 10 microns with 80% lithium content. Choose LiCoO 2 It is the positive electrode material, the aluminum foil is the positive electrode current collector, and the electrolyte contains LiPF 6 The concentration is 1mol / L, the volume ratio of organic solvent PC:DMC:EC:EMC=1:1:1:1, the aluminum tab is the lead terminal, and the soft pack battery packaged in aluminum plastic film is prepared according to the method in the prior art. The pouch battery is tested under the condition of 0.1C charge and discharge rate, ...
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