Method for synthesizing boron-doped wrinkled nanosphere carbon material by in-situ template method and application of boron-doped wrinkled nanosphere carbon material

The invention belongs to the field of mixed ion capacitors and ion batteries, and discloses a method for synthesizing a boron-doped wrinkled nanosphere carbon material by an in-situ template method and application of the boron-doped wrinkled nanosphere carbon material, and the method comprises the following steps: by taking boric acid as a boron source and a template, firstly, mixing a carbon-containing salt and boric acid in hot deionized water according to a molar ratio of carbon element to boron element of 1: 5-5: 1; evaporating and drying to obtain a solid mixture; and next, calcining the solid mixture in a protective atmosphere, neutralizing the calcined product with alkali, and washing to obtain the boron-doped wrinkled nanosphere carbon material. The boron-doped wrinkled nanosphere carbon material prepared by the invention has a special wrinkled nanosphere morphology and very good electrochemical performance, is a high-performance boron-doped wrinkled nanosphere carbon material, and particularly can be