Tian Xiaobo made a topic presentation entitled "Looking at the Future Trend of Japan and South Korea Baking Process" in the ABEC 2019 Forum, sharing the dynamic battery vacuum drying background, vacuum drying equipment classification and status quo, vacuum drying equipment development trend, battery The net collection has been selected from the reading of the reader:Tian Xiaobo said that the positive material has strong water absorption, the main source of the moisture content, and the impact of moisture on the performance of the power battery is mainly manifested in the following three aspects:
First, the first charge and discharge capacity: When the water is less than 0.015% in the battery, the battery first discharge capacity is in accordance with the national standard and has a small change; when the battery moisture is in the range of 0.015% ~ 0.04%, the battery first discharge capacity with the battery in the battery. Increase and decrease.
The main parameters of Wuxi Huizhong batteries have capacity, rated capacity, voltage, open circuit voltage, charging voltage, termination voltage, power, life, discharge time, charging time
The second is to affect the internal resistance: When the moisture content is more than the required content of the SEI film, POF3 and LIF precipitation are generated on the SEI membrane surface, resulting in an increase in battery internal resistance.
More than 90,000 network people watched the live broadcast of the dialogue. These representatives include lawyers, college students, corporate heads, and environmental protection public welfare organizations. As a member of the conference, it is the key to the constructor to become a member of the public. "Complaints to find the door phone to play" "How to solve and manage noise pollution?" Liu Yusheng from the second construction engineering company of Chengdu City. "In fact, I have also suffered from noise, I also have reported a phone call, I didn't play a role." The answer of the conference allowed everyone. "My child is going to school, I rented a house next to my school, and I lived in four or five people in the upstairs.
Third, it affects battery capacity: moisture content affects the properties of the battery SEI film, such as uniformity and denseness, etc. .
Huizhong Valve Control Sealed Lead Acid Battery The voltage of 2V, 4V, 6V, 12V, 24V, 48V, 1.2V, 3V, 3.2V, 3.6V, 3.7V, 11.1V, 12.8V Wait
Lithium battery vacuum drying equipment is mainly divided into three ways: one is operating pressure, divided into normal pressure drying equipment and vacuum drying equipment. The second is to operate, divided into batch drying equipment and continuous drying equipment. Third, heating mode is divided into pair flow heating equipment, conducting heating equipment, radiation heating equipment, dielectric heating equipment.
On the forum, Tian Xiaobo also introduced the development trend of vacuum drying equipment mainly in the following four aspects:
A variety of equipment constitutes (free combination drying): Tunnel type and monomer combined platforms can be used for convection or conductive heating.
Industrial Biography (large-scale drying): First-line manufacturers will further expand the scale, vacuum drying needs to meet the production requirements of scale.
Many materials coexist (diversified drying): High-nickel materials and new generation of iron phosphate and other technical routes, drying equipment needs to meet the needs of different materials systems of customers, diversified production.
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