In the 5G era,there is an urgent need for batteries to achieve fast charge and discharge,fast heat conduction,high energy density and other performance.Graphene,an additive,can significantly improve the performance of the battery and solve many user pain points.As the only master of key technologies in the whole life cycle of batteries in the industry,Tianneng is always committed to scientific and technological research and development,bringing up product advantages with absolute technological advantages.

　　As early as 2015,Tianneng successfully applied for the invention patent of"a lead-tin-graphene composite and its preparation method and application"and won the"China Patent Excellence Award"in 2017.The successful development and industrial application of lead-tin-graphene composites have realized the jump of the energy level of lead storage battery and opened a new chapter in the application of graphene battery.

　　"A lead-tin-graphene composite material and its preparation method and application"mainly uses the method of electroplating to make the distribution of graphene in lead-tin alloy more dispersed and uniform.As a positive additive,lead-tin-graphene composite can promote the dispersion of graphene in the positive active material and significantly improve the performance of the battery.The initial capacity,charge acceptance capacity,low temperature capacity and cycle life of the battery were significantly improved.

　　Lead-tin-graphene composites are widely used in mid-and high-end products of Tianneng.Lead-tin-graphene composites are used as one of the main materials of product formulations in 2023.Therefore,whether it is battery life and mileage,or battery power,battery performance,Tianneng products can lead the industry,better than their peers,and bring users a better and safer travel experience."The key technology of lead storage battery of graphene/lead sulfate composite"won the Science and Technology Progress Award of China Federation of Light Industry.The invention and optimization of graphene/lead sulfate composite,vacuum paste and high temperature curing technology,grid surface salinization technology not only improve the battery deep cycle discharge capacity,but also effectively prolong the battery life.

　　Graphene is a two-dimensional crystal separated from graphite and composed of carbon atoms with only one layer of atomic thickness(0.35 nm).Its properties are better than graphite,and it has extremely strong electrical conductivity,ultra-high strength,high toughness,high thermal conductivity and so on.It is known as the"king of new materials".

　　Tianneng is developing key technologies for power batteries with better materials and wider applications.The research and application of graphene materials is the presentation of"Tianneng batteries lead the world in key technologies".Graphene,as a key material to improve battery performance,will still be the focus and core of Tianneng science and technology research and development.