High-power-capacity lithium-ion-battery anode material and preparation method thereof
A lithium-ion battery and anode material technology, which is applied in the field of high-capacity lithium-ion battery anode materials and its preparation, can solve problems such as vulnerability to damage, electrolyte consumption, battery diving, etc., to achieve protection stability, avoid consumption, and prolong use The effect of longevity
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Example Embodiment
[0030] Example 1, such as figure 1 As shown, this embodiment provides a high-capacity lithium ion battery anode material, which includes a solid electrolyte layer 1 and alloy particles 2. The alloy particles 2 are dispersed in the solid electrolyte layer 1, and the particle size of the alloy particles 2 is 5nm-300nm. And the outer surface of the solid electrolyte layer 1 is also covered with a conductive coating layer 3. Among them, the alloy particles 2 are distributed in the solid electrolyte layer 1 in a network form. Among them, the solid electrolyte in the solid electrolyte layer 1 is lithium nitride, the alloy particles 2 are Si-Cr-O alloy particles, and the conductive coating layer 3 is made of carbon. The thickness of the conductive coating layer 3 is 1 μm.
Example Embodiment
[0031] The second embodiment is different from the first embodiment: the solid electrolyte in the solid electrolyte layer 1 is lithium silicate, the alloy particles 2 are Si-Li-O alloy particles, the conductive coating layer 3 is made of polyacetylene, and the conductive coating The thickness of the coating layer 3 is 2 μm.
Example Embodiment
[0032] Embodiment 3 is different from embodiment 1: the solid electrolyte in the solid electrolyte layer 1 is lithium borate, the alloy particles 2 are Si-Li-O alloy particles, the material of the conductive coating layer 3 is polythiophene, and the conductive coating The thickness of layer 3 is 3 μm.
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