Composite material, preparation method thereof and battery

• Main Authors: JIANG SHIYONG, ZHAN SHIYING, LI QIANQIAN, ZHONG KUAN
• Format: Patent
• Language: Chinese; English
• Published: 01.12.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention discloses a composite material, a preparation method thereof and a battery, and relates to the technical field of battery materials. The composite material comprises lithium titanate particles and a boron layer coating the lithium titanate particles. The composite material provided by the invention comprises the lithium titanate particles and the boron layer coating the lithium titanate particles, and the boron layer has lubricity, so that tight packing of lithium titanate is facilitated, and a high compaction effect is obtained; and the lithium titanate particles are coated with the boron layer, so that the composite material is not easy to break, the stable structure of the composite material can be maintained, and the conductivity consistency of the composite material is improved. 本申请公开了一种复合材料及其制备方法、电池，涉及电池材料技术领域。复合材料包括：钛酸锂颗粒，以及包覆钛酸锂颗粒的硼层。本申请提供的复合材料，包括钛酸锂颗粒及包覆钛酸锂颗粒的硼层，硼层具有润滑性，有利于钛酸锂紧密堆积，获得高压实的效果；且硼层包覆所述钛酸锂颗粒，复合材料不易发生破碎现象，有利于复合材料保持稳定的结构，从而提高复合材料导电的一致性。