Porous carbon material and preparation method and application thereof

• Main Authors: PAN GUANGHONG, SU ZHIJIANG, KONG JUNLI
• Format: Patent
• Language: Chinese; English
• Published: 23.01.2024
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

According to the preparation method of the porous carbon material provided by the invention, the porous carbon material with a specific pore structure is prepared by adjusting the ratio of ammonium dihydrogen phosphate to F127 and the carbonization temperature, and when the porous carbon material is used as a sodium-ion battery negative electrode material, the first effect and the capacity can be effectively balanced on the basis of improving the sodium storage capacity. Moreover, the preparation method of the porous carbon material is simple, low in cost and suitable for industrialization. 本发明提供了一种多孔碳材料的制备方法，该方法通过调节磷酸二氢铵与F127的比例以及碳化温度，制备出具有特定孔结构的多孔碳材料，作为钠离子电池负极材料时，在提升储钠容量的基础上，可有效平衡首效和容量。而且，本发明的多孔碳材料的制备方法简单，成本低，适合工业化。