Abstract: Provided are a positive electrode material coated with a mixed solid-state electrolyte and a preparation method thereof, a positive electrode plate, a solid-state battery, and an electrical-related device. The positive electrode material coated with the mixed solid-state electrolyte includes a positive electrode material and a mixed solid-state electrolyte coating the surface of the positive electrode material, and the mixed solid-state electrolyte includes an oxide solid-state electrolyte, a sulfide solid-state electrolyte, and a halide solid-state electrolyte. By designing the positive electrode material coated with the mixed solid-state electrolyte, the oxide solid-state electrolyte provides mechanical properties, the sulfide solid-state electrolyte provides ionic conductivity, and the halide solid-state electrolyte provides a stable interface.

Abstract: An anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm3/kg), a specific surface area is S (m2/g), a tap density is T (g/cc), wherein, 2?V*S/T?10. By constructing the ratio relationship of the specific surface area of the anode material, the pore volume and the tap density of the anode material, the overall distribution condition of defects such as pore pathways, crystal lattices and micro cracks in the graphite particles can be reflected. Within the limited range, when the anode material is made into an electrode to be applied to a battery, the defect distribution in the anode material is uniform.

Abstract: An anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm3/kg), a specific surface area is S (m2/g), a tap density is T (g/cc), wherein, 2?V*S/T?10. By constructing the ratio relationship of the specific surface area of the anode material, the pore volume and the tap density of the anode material, the overall distribution condition of defects such as pore pathways, crystal lattices and micro cracks in the graphite particles can be reflected. Within the limited range, when the anode material is made into an electrode to be applied to a battery, the defect distribution in the anode material is uniform.

Abstract: An anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm3/kg), a specific surface area is S (m2/g), a tap density is T (g/cc), wherein, 2?V*S/T?10. By constructing the ratio relationship of the specific surface area of the anode material, the pore volume and the tap density of the anode material, the overall distribution condition of defects such as pore pathways, crystal lattices and micro cracks in the graphite particles can be reflected. Within the limited range, when the anode material is made into an electrode to be applied to a battery, the defect distribution in the anode material is uniform.

Abstract: The present disclosure relates to an anode material and a battery, the anode material comprises graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm3/kg), a specific surface area is S (m2/g), a tap density is T (g/cc), wherein, 2?V*S/T?10. By constructing the ratio relationship of the specific surface area, the pore volume and the tap density of the anode material, the overall distribution condition of defects such as pore pathways, crystal lattices and micro cracks in the graphite particles can be reflected, and within the limited range, the defect distribution in the anode material is uniform, and the uniformly distributed defect structure can reduce the expansion of the graphite anode material in the charging and discharging process, and improve electrical performance and processability.

Abstract: An oligomer solution of a polymer electrolyte, a polymer electrolyte, and an electrochemical device are provided. The oligomer solution of the polymer electrolyte comprises monomers and an electrolyte solution, the monomers form polymer molecular chains through free radical polymerization, and the polymer molecule chain is cross-linked to form a polymer electrolyte with a three-dimensional network structure; the electrolyte solution comprises an organic solvent, which has strong mobility, permeates into pores of electrodes, promotes interface contact between the polymer electrolyte and the electrodes, improves the interface infiltration between the polymer electrolyte and the electrodes, increases the ion conductivity, facilitate lithium ion transmission, and enhances the electrochemical performance of a battery.

Abstract: An anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm3/kg), a specific surface area is S (m2/g), a tap density is T (g/cc), wherein, 2?V*S/T?10. By constructing the ratio relationship of the specific surface area of the anode material, the pore volume and the tap density of the anode material, the overall distribution condition of defects such as pore pathways, crystal lattices and micro cracks in the graphite particles can be reflected. Within the limited range, when the anode material is made into an electrode to be applied to a battery, the defect distribution in the anode material is uniform.

Abstract: An anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm3/kg), a specific surface area is S (m2/g), a tap density is T (g/cc), wherein, 2?V*S/T?10. By constructing the ratio relationship of the specific surface area of the anode material, the pore volume and the tap density of the anode material, the overall distribution condition of defects such as pore pathways, crystal lattices and micro cracks in the graphite particles can be reflected. Within the limited range, when the anode material is made into an electrode to be applied to a battery, the defect distribution in the anode material is uniform.

Abstract: An anode material and a battery provided. The anode material includes artificial graphite particle, and there are pores inside and/or on surface of the artificial graphite particle, and the anode material has a pore volume of V cm3/kg, a true density of D g/cm3, and a specific surface area of S m2/g, where 4.0?V*S/D?10. The anode material and battery effectively improve active site of surface of anode material and enhance rate performance of anode material.

Abstract: The present disclosure provides an anode material and a battery, the anode material includes graphite, pores are formed at the surface of and/or inside the graphite, the anode material has a pore volume of V cm3/kg, a true density of D g/cm3, a specific surface area is S m2/g, a degree of graphitization is G %, wherein, 0.7?V*S/D?3.95, and 89?G?93. The anode material and the battery according to the present disclosure can improve the rate performance and the cycle performance of the graphite anode material under a high rate current.

Abstract: The present disclosure provides an anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, the anode material has an oil absorption value of O mL/100 g, a pore volume of V cm3/kg, a specific surface area of S m2/g, and a powder porosity of ?%, where 50?O*V*S?391, and 40???58. According to the anode material and the battery provided by the present disclosure, a reaction space capable of performing an effective lithium ion de-intercalation in the anode material is relatively sufficient, improving the high-rate charging-discharging performance of the graphite anode material.

Abstract: The present disclosure relates to an anode material and a battery, the anode material comprises graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm3/kg), a specific surface area is S (m2/g), a tap density is T (g/cc), wherein, 2?V*S/T?10. By constructing the ratio relationship of the specific surface area, the pore volume and the tap density of the anode material, the overall distribution condition of defects such as pore pathways, crystal lattices and micro cracks in the graphite particles can be reflected, and within the limited range, the defect distribution in the anode material is uniform, and the uniformly distributed defect structure can reduce the expansion of the graphite anode material in the charging and discharging process, and improve electrical performance and processability.

Abstract: An oligomer solution of a polymer electrolyte, a polymer electrolyte, and an electrochemical device are provided. The oligomer solution of the polymer electrolyte comprises monomers and an electrolyte solution, the monomers form polymer molecular chains through free radical polymerization, and the polymer molecule chain is cross-linked to form a polymer electrolyte with a three-dimensional network structure; the electrolyte solution comprises an organic solvent, which has strong mobility, permeates into pores of electrodes, promotes interface contact between the polymer electrolyte and the electrodes, improves the interface infiltration between the polymer electrolyte and the electrodes, increases the ion conductivity, facilitate lithium ion transmission, and enhances the electrochemical performance of a battery.

Abstract: A polymer, a polymer electrolyte and a lithium ion battery are provided. The polymer includes a main chain and side chains of the polymer, the side chains contain conjugated cyclic groups and epoxy multi-element cyclic groups; the conjugated cyclic group is selected from saturated or unsaturated C10-C20 conjugated aromatic groups; the epoxy multi-element cyclic group is selected from saturated or unsaturated C3-C8 epoxy multi-element cyclic groups; the main chain of the polymer is selected from polyalkoxy ether. The polymer, the polymer electrolyte and the lithium ion battery can improve interaction between the polymer electrolyte and an active substance in an electrode plate, increase the adhesion of the polymer electrolyte, avoid detachment occurring at an interface between the plate and the electrolyte, and improve the interface stability of the battery.

Abstract: A polymer, a polymer electrolyte and a lithium ion battery are provided. The polymer includes a main chain and side chains of the polymer, the side chains contain conjugated cyclic groups and epoxy multi-element cyclic groups; the conjugated cyclic group is selected from saturated or unsaturated C10-C20 conjugated aromatic groups; the epoxy multi-element cyclic group is selected from saturated or unsaturated C3-C8 epoxy multi-element cyclic groups; the main chain of the polymer is selected from polyalkoxy ether. The polymer, the polymer electrolyte and the lithium ion battery can improve interaction between the polymer electrolyte and an active substance in an electrode plate, increase the adhesion of the polymer electrolyte, avoid detachment occurring at an interface between the plate and the electrolyte, and improve the interface stability of the battery.