How will the lithium battery pack develop in the future

by:CTECHi     2021-07-14

The future of lithium battery packs is bright. Looking ahead, as the global trend of vigorously developing new energy vehicles has taken shape, the status of lithium battery packs in my country will continue to rise in the future, and sooner or later they will become a dark horse in the industry. Through the efforts of domestic lithium battery material companies, major breakthroughs have been made in the core technology of manufacturing lithium battery packs. For lithium batteries used in electric vehicles, all core materials have basically achieved a localization rate. Then, with the increasing application of lithium battery packs in various fields, especially the gradual promotion in electric vehicles, new energy, military and other fields, the market prospects for the lithium battery pack industry in 2018 are broad and the future competition will be fierce. What kinds of development trends will my country's lithium battery packs form? Trend 1: Power batteries drive the growth of my country's lithium-ion battery industry. With the strong promotion of national financial subsidies, my country's new energy vehicle market is expected to expand to 650,000 in 2017, a year-on-year increase 25%, the market for lithium-ion battery electric bicycles is expected to reach 5 million units. In addition to power tools and other fields, the power-type lithium-ion battery market is expected to reach 30GWh in 2017, a year-on-year increase of about 30%. On the whole, my country's power batteries will lead the growth of my country's lithium battery pack market in 2017, and its share is expected to exceed 60%. Power batteries will contribute more than 90% to the growth of my country's lithium-ion battery industry. Trend 2: Under the new energy vehicle promotion policy, China's advantages are expected to expand. In 2017, the growth rate of the main application market for lithium-ion batteries will slow down. The global lithium-ion battery industry scale exceeded 300 billion yuan in the whole year, and the growth rate was down 4% compared with 2016. . With the continued promotion of new energy vehicle promotion policies, China's electric vehicle production reached 650,000 in 2017, and its share in the global electric vehicle market will further increase. Trend 3: Accelerating the application of new technologies and fierce competition for lithium battery packs in the future. With the increasing use of lithium battery packs in various fields, especially the gradual promotion in electric vehicles, new energy, military and other fields, countries and major companies have increased Research and development support. At the same time, the preparation technology of advanced materials such as graphene and nanomaterials has been continuously improved, and the integration with the research and development of lithium-ion batteries has been accelerated. The innovation of the lithium-ion battery industry has accelerated, and various products have come out and put on the market, which is full of gimmicks. In the future, with the continuous progress of various new technologies, new materials including silicon-carbon composites and solid electrolytes are expected to be widely used in lithium-ion batteries, and new materials may appear in specific application areas such as wearable devices and special environments. Of disruptive lithium-ion battery products. Trend 4: The performance of lithium-ion batteries is limited, and it will take some time for the market to accept it. Considering the safety of the battery, it may take longer to verify. For some mature technologies, such as dual-carbon batteries, solid-state lithium-ion batteries, etc., the production process is not mature, and the core technology is in the hands of one or two companies, the output is limited and the price is expensive, and it is difficult to achieve large-scale applications in the near future . The price is higher, and it will take some time for the market to accept it. Trend 5: Consolidation of the advantages of backbone enterprises and further increase in industry concentration. In 2016, my country's new energy vehicle production continued to grow, but the power battery market concentration was further increased. The top 10 power battery suppliers accounted for less than 70% of the market in 2015 Climbed to 82% in 2016. Therefore, it is expected that the leading advantages of key enterprises in 2017 will continue to be consolidated, and their market share in the power battery market will further increase. The top 10 suppliers will account for more than 87% of the market, an increase of more than 5 percentage points from 2016. Trend 6: Echelon utilization and modular design. The existing business model of the power lithium battery pack industry still has many points worthy of optimization. For example, in the upcoming wave of decommissioned batteries, the rational echelon utilization of decommissioned batteries will greatly enhance the economy of batteries. Benefits, for example, the modular design promoted by major car companies will be the prerequisite for the battery to achieve scale effects, and for companies to form a closed-loop business similar to BYD by opening up upstream and downstream, these measures can achieve further reduction in battery costs. So, having said that, let’s talk a little off topic. How should the used lithium battery packs be used in cascades? To realize the cascading use of power batteries, a power battery life cycle monitoring system needs to be established to evaluate the health of the batteries in real time. It is necessary to put the evaluation and monitoring of the battery in the whole life cycle of the battery, instead of waiting for the battery to be eliminated before testing and screening. Commonly used methods for recycling waste lithium batteries include hydrometallurgy, pyrometallurgy, and mechanical and physical methods. Compared with the wet method and the fire method, the mechanical physical method does not require the use of chemical reagents, and has lower energy consumption. It is an environmentally friendly and efficient method.

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