3D honeycomb novel structure of metal ion battery

Abstract

The utility model discloses a 3D honeycomb novel structure of metal ion battery solves battery energy density and quick charge and discharge technical problem, including the positive plate and negative plate of battery are equipped with the ear and base body on, be equipped with a plurality of chambers on the base body, the chamber is regular hexagonal prism cavity structure, and one end is regular hexagon opening, the other end is regular hexagon seal; the base body of positive plate and negative plate the inner chamber wall surface of chamber is adhered to the positive and negative surface active material and constitutes the positive and negative; all the chamber symmetrical two -dimensional topology arrangement constitutes 3D honeycomb structure, the chamber of setting on the base body is single -sided or double -sided chamber structure.

Claims

1. A novel 3D honeycomb structure for a metal-ion battery, characterized in that: Including the positive and negative electrode plates of the battery, The positive and negative electrode plates of the battery are provided with tabs (1) and a substrate (2), and the substrate (2) is provided with multiple chambers (4). The chamber (4) is configured as a regular hexagonal prism cavity structure surrounded by cylindrical partitions (5), with one end being a regular hexagonal opening and the other end being a regular hexagonal seal; The positive electrode and the negative electrode are respectively bonded with positive electrode surface active material and negative electrode surface active material to form positive electrode and negative electrode. The top surface (8) of the cylindrical partition of all the chambers (4) on the substrate (2), the inner wall surface (9) of the cylindrical partition, and the bottom surface (10) of the chamber are all bonded to the substrate (2) and the negative electrode.

2. The novel 3D honeycomb structure of a metal-ion battery according to claim 1, characterized in that: All the chambers (4) are symmetrically arranged on the substrate (2) to form a 3D geometric structure with honeycomb structure characteristics.

3. The novel 3D honeycomb structure of a metal-ion battery according to claim 2, characterized in that: The substrate (2) having the chamber (4) includes a single-sided chamber structure; the single-sided chamber structure refers to the honeycomb structure in which the chambers (4) are arranged symmetrically on one side of the substrate (2), while the other side is a sealing plane.

4. The novel 3D honeycomb structure of a metal-ion battery according to claim 2, characterized in that: The substrate (2) having the chamber (4) includes a double-sided chamber structure; the double-sided chamber structure refers to the honeycomb structure formed by the chambers (4) arranged symmetrically on both sides of the substrate (2), and the dividing plane (3) of the double-sided chamber structure is located in the middle of the plane of the substrate (2), so that the chambers (4) on both sides of the substrate (2) are not connected to each other.

5. The novel 3D honeycomb structure of a metal-ion battery according to claim 4, characterized in that: All the chambers (4) on the single-sided or double-sided chamber structure of the substrate (2) are arranged symmetrically, and adjacent chambers (4) are connected by cylindrical partitions (5) of the chambers (4).

6. The novel 3D honeycomb structure of a metal-ion battery according to claim 5, characterized in that: The thickness of the cylindrical partition (5) of the chamber (4) is set to between one-tenth and one-half of the thickness of the substrate (2), so that the substrate (2) as a whole can bear good pressure resistance, providing a mechanical support skeleton for the positive electrode surface active material and the negative electrode surface active material attached to the substrate (2) of the positive electrode sheet and the negative electrode sheet, strengthening the overall physical strength of the battery and the bonding force between the substrate material and the surface active material, and making it less likely to cause the internal structure to collapse.

7. The novel 3D honeycomb structure of a metal-ion battery according to claim 5, characterized in that: On the substrate (2) of the positive and negative electrode sheets of the single-sided chamber structure, the symmetrically arranged chambers (4) are single-sided micron-sized 3D geometric structures; on the substrate (2) of the positive and negative electrode sheets of the double-sided chamber structure, the symmetrically arranged chambers (4) are double-sided micron-sized 3D geometric structures.

8. The novel 3D honeycomb structure of a metal-ion battery according to claim 7, characterized in that: The cylindrical partitions (5) of all the chambers (4) on the substrate (2) and the inner bottom surface (10) of the chambers are integrally formed in one piece and are made of the same material as the substrate (2).

9. The novel 3D honeycomb structure of a metal-ion battery according to claim 7, characterized in that... : On the substrate (2) of the positive electrode and the negative electrode, a thin film layer covering the positive electrode surface active material and the negative electrode surface active material is respectively provided on the top surface (8) of the cylindrical partition, the inner wall surface (9) of the cylindrical partition, and the bottom surface (10) of the cavity (4) of all the chambers (4).

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