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Carry out safety inspections before the Spring Festival to investigate potential safety hazards
In order to effectively do a good job in safety production during the Spring Festival holiday in 2023, to ensure that the company's safety production situation is stable. On January 14, the company carried out a pre-holiday safety inspection, led by the company's general manager Ma Xiaomu, and the heads of various departments participated in the inspection of various fire safety key places such as electric rooms and chemical warehouses. In the new year, the company will continue to take safe production as the prerequisite for all work. All employees of the company must always maintain a high degree of safety awareness, strictly implement various safety management systems, and conscientiously implement various safety precautions to achieve safe production. Normalize management to ensure orderly and stable operation of safety production at the end of the year and the beginning of the year.
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2023/05
Carry out fire drills to strengthen the company's security defense line
On the afternoon of February 10, 2023, the company invited the fire brigade of the park to hold a fire drill to conduct a systematic safety education for all employees, so as to improve the ability of employees to deal with the initial fire and self-rescue and self-defense. Through the drills of emergency evacuation, fire extinguisher practice and fire hydrant hose practice, and the fire extinguisher and fire hydrant hose practice are strictly controlled on site. When it comes to firefighting, "three understandings and three meetings".
Composite copper foil - the trend of the new era
Copper foil, as the negative electrode collector of lithium batteries, mainly plays the role of carrying negative electrode active materials and collecting current. Traditional copper foil uses 99% high-purity electrolytic copper as the main material, which has the advantages of strong conductivity, good heat dissipation, and low manufacturing cost. However, there are also problems such as high mass ratio and high raw material cost. There are mainly two points:
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What is copper foil tape and what is it used for?
Copper foil tape is a kind of metal tape. It is mainly used in electromagnetic shielding. It is divided into two types: electrical signal shielding and magnetic signal shielding. Electrical signal shielding mainly relies on the excellent electrical conductivity of copper itself, while magnetic shielding requires copper foil tape. Surface conductive material "Nickel" is used to achieve the effect of magnetic shielding, so it is widely used in mobile phones, notebook computers and other digital products.
05
Copper foil production and the role of rubber rollers
The production process of lithium battery copper foil consists of a copper melting process, an electrolytic foil production process, a surface treatment process, and a cutting and testing process. In order to better understand the application of ultra-thin copper foil for lithium batteries and electronics, we briefly introduce its production process.
Tinned copper foil usually consists of copper and tin
Tinned copper foil usually consists of copper and tin. Among them, copper is the main component, accounting for about 95%; tin is an auxiliary component, accounting for about 5%. The specific composition of tinned copper foil varies with the production process and material selection.