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In addition, due to the issue of quality recall related to power lithium-ion batteries, small companies are simply unable to bear it, so the industry will inevitably experience integration.

Wang Zidong also revealed that almost all international giants in the processing of power lithium-ion batteries are planning to build factories in China and are making various preparations for this, including land acquisition for factories in the early stages. To have international competitiveness, it is necessary for Chinese power lithium-ion battery companies to enhance quality control.

Problems with automated manufacturing equipment for power lithium-ion batteries

In addition to monitoring the processing quality, Prince Dong also pointed out the problems in China's power lithium-ion battery automation manufacturing equipment.

Power lithium-ion batteries belong to the high-end manufacturing industry and require extremely high manufacturing accuracy. During the processing process, in order to improve quality, reduce processing costs, and improve the consistency of battery packs, automation equipment is heavily relied on.

With government support, Korean companies have quickly digested and absorbed equipment imported from Japan in the past. At present, some equipment manufacturing technologies have reached or approached the level of Japan.

China's automated processing line equipment and battery detection equipment technology have only made some progress in single machine automation. Compared with Japan and South Korea, the overall gap is significant, mainly due to high prices and circular imports.

The reasons for this phenomenon are: firstly, equipment manufacturers lack funds and technology, and do not have the ability to upgrade and transform.

2、 The procurement of equipment by domestic battery processing companies is basically temporary cramming. Not investing in research and development in advance, only purchasing equipment when the production cannot meet the order requirements and there is an urgent need to expand the processing scale. Therefore, there is no time to develop a suitable processing line with the equipment manufacturer.

3、 Battery processing companies lack overall design personnel and are concerned about disclosing trade secrets to manufacturers by informing them of the processing technology. They are unwilling to listen to manufacturers' proposals and usually only provide equipment usage scope, rarely mentioning the requirements for equipment connection. Equipment manufacturers do not have the initiative to develop new technologies, and therefore are unwilling to invest too much in the development of new technologies.

4、 Battery processing companies are very strong against equipment manufacturers. My own evaluation ability is not strong, and I do not carefully decompose the technical level between equipment manufacturers, adopting a simple price reduction method, which has dampened the enthusiasm of equipment manufacturers to develop new technologies.

Wang Zidong has proposed the following: for the urgently needed common equipment development projects in the industry, the government will provide funds, introduce key technical equipment, the company will participate, gather for research and upgrading, and conduct early research and development.

Attention to Patent Traps in the Development of Ceramic Diaphragms

Regarding the collaboration between some research institutions and companies in China to develop ceramic separators in lithium-ion batteries, Researcher Huang Xuejie from the Institute of Physics of the Chinese Academy of Sciences warned at this meeting that all patents in this area are owned by an Italian company, but it has remained silent. However, when many Japanese and Korean companies developed such products, the company filed a patent. Therefore, Chinese developers must pay special attention to guarding against patent traps in this area.

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