Anode material

• Main Authors: M.R.DENLINGER, YIN SHANGYING, R.IOCCO
• Format: Patent
• Language: Chinese; English
• Published: 05.06.2013
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model relates to an anode material that has a high surface area and exhibits improved cycle performance. The anode material is obtained through surface treatment of spherical graphite powder. The surface treatment helps to provide a protective coating that has a high surface area and is remained on the spherical graphite powder. An anode prepared by the anode material according to the technical scheme disclosed by the utility model has the long cycle service life and can be stored under high temperature for a long period of time. According to the technical scheme, the protective coating with the high surface area is coated on the spherical graphite powder. The protective coating with the high surface area helps to improve performance and endurance of the anode prepared by the anode material. The protective coating with the high surface area comprises a polymer, a metallic compound and/or hard carbon. In addition, in some embodiment, the protective coating (perhaps with or without the high surface