-(4)Current Status and Industrialization Research of Power Lithium Battery Technology Development

(4)Current Status and Industrialization Research of Power Lithium Battery Technology Development
author:enerbyte source:本站 click351 Release date: 2023-08-29 14:13:02
abstract:
The Development Trend of Industrialization of New Energy Vehicles At present, most electric vehicle products are transformed from traditional cars. Prince Dong believes that in the design of electric vehicles, the thinking of car companies has been confined by traditional ca...

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The Development Trend of Industrialization of New Energy Vehicles

At present, most electric vehicle products are transformed from traditional cars. Prince Dong believes that in the design of electric vehicles, the thinking of car companies has been confined by traditional car manufacturing, and there is no real new energy vehicle manufacturing. Wang Zidong gave an example, stating that the battery life of Apple phones is only one day, and the key to consumers choosing it is the added value; Ordinary modified electric vehicles do not have added value that is different from traditional cars, so it is difficult to compete with traditional cars. In addition, electric vehicles are currently not energy-efficient, and their carbon emissions are almost equivalent to those of gasoline powered vehicles. In addition, under the dual pressure of rising prices of upstream raw materials and lower prices of downstream vehicle companies, power lithium battery production companies are suffering unbearably, resulting in a serious shortage of subsequent development funds and insufficient potential for the company.

Wang Zidong believes that car companies should develop personalized electric vehicle products that are truly needed in the market through new commercial operations, rather than products driven by subsidy policies, to guide the application of new energy vehicles. Power lithium batteries should actively explore multi-level utilization projects in energy storage and other fields, elongate the application chain of power lithium batteries for new energy vehicles, and effectively reduce the cost of power lithium batteries in the application process. Wang Zidong believes that the requirement of improving quality and reducing cost for power lithium batteries cannot be achieved solely by battery companies, but through the mutual cooperation of the entire new energy vehicle industry chain.

In response to the current performance requirements for power lithium batteries in new energy vehicles and energy storage systems, Wang Zidong believes that new ways should be found in safety, reliability, stability, energy density, wide temperature window applications, charging acceptance capacity, cost and resources, and breakthroughs should be made in materials, battery structure, production process, and integration methods.

Wang Zidong stated that to solve the integration design problem of power lithium battery systems and electric vehicles, the design of battery packs and modules should be comprehensively considered, not just a single product can be integrated: to solve the weight energy density, volume energy density, charging acceptance capacity, discharge capacity, safety, high-temperature adaptability, low-temperature adaptability, cycle life, shelving life, production efficiency of power lithium battery systems The balance of basic performance levels such as maintenance convenience, recycling convenience, and cost acceptance.

In terms of battery maintenance, Wang Zidong stated that power lithium batteries need to be maintained, but currently many companies do not reserve maintenance interfaces for their battery packs, making this effective repair method difficult to popularize. We need to improve from two aspects: firstly, the support of industry regulatory departments in formulating corresponding standards and policies; The second is to reserve maintenance interfaces on the battery pack system to improve maintenance efficiency.

From the perspective of product quality assurance, the supply chain should be led by the entire vehicle company. Firstly, it can make the battery and the entire vehicle better; Secondly, in the long run, self built batteries are more conducive to product quality control than collaborating with battery suppliers.

Finally, Prince Dong stated that the safety of power lithium-ion batteries should be given top priority, and reliability should be emphasized. On the premise of ensuring safety and reliability, the energy density of power lithium-ion battery systems should be improved. Pay attention to system optimization and choose the most suitable design method. Strengthen research on the recycling technology of power lithium batteries, and search for low energy consumption and pollution-free recycling methods; Research material repair technology to improve material utilization.

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