About 5um thickness lithium battery separator

About 5um thickness lithium battery separator

From the ultra-thin film application in the high-end digital field, the current application ratio of 7um and 5um separator is 7:3. The demand for ultra-thin films by mainstream high-end manufacturers ranges from 7 million to 8 million square meters per month, and the demand for 5 um is between 4 million and 5 million square meters per month.

The main reason is that in the effective space inside the battery, the thinner and stronger diaphragm can give more space to the active material of the pole piece, and can carry more functional coatings. As the lithium battery market continues to increase battery capacity and performance requirements, as well as the emergence of more and more versatile diaphragm coatings, the ultra-thinning trend of lithium battery separators has become more apparent.

With many years of deep cultivation in the field of diaphragms, Nuomi Technology has designed the ultra-thin film through equipment, strictly screened the raw materials, and carried out precise and precise control during the entire production process of the ultra-thin film. After batching, ensure uniformity of stability for each segment of the product. After continuous process experiments and technical improvements, a stable mass production of 5 um ultra-thin film was achieved.

As we all know, due to the late development of domestic ultra-thin film, the habit of product use, doubts about domestic products, and the designation of downstream manufacturers, the 5um ultra-thin film products in the domestic market have long been monopolized by importing enterprises, including Asahi Kasei and Korea. SK et al.

It is gratifying to note that Nuomi Technology has taken the lead in realizing the substitution of 5um ultra-thin film imported products in China. Although more than half of the 5um ultra-thin film products in the domestic market are still monopolized by imports, Nuomi has taken an absolute advantage in the market for the ultra-thin diaphragm.

The following are the physical properties of the 5 um ultra-thin film of Newme Technology:

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