Solve the way: high quality developmentAlthough the industry is experiencing the pain of shuffling, most of the industry in the forum still has an optimistic attitude towards the future.
"Overall, the industry is optimistic about the public opinion, wind direction and confidence in the new energy battery industry, and the industrial scene will still rise in the adjustment of spiral rise, an emerging industry technology and market progress and breakthroughs, product iteration and improvement, supporting foundation The construction and improvement of the facilities are increasingly presenting. "Said the deputy secretary general of the battery" Davos "Organizing Committee, said that on the road to the development of the new energy battery industry, it is inevitable to experience all kinds of" growing troubles ", only" firm confidence ". Promoting high quality development is king.
How to achieve high quality development in the industry? The discussion topics from industry, industry entrepreneurs, experts, fund investors, etc., are not left "Safety".
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
In the view, the current problem of China's power battery industry is safe and reliability. Since 2019, new energy car safety accidents have frequently sent, from May to July this year, 79 safety accidents were discovered in only three months. It is not simply caused by subsidizing a surrendering, key issues in the technical aspects of the battery.
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
In the past two years, in order to solve mileage anxiety problems and meet subsidy policies, the industry has emerged in a multi-energy density power battery, such as a positive electrode material using a three-dimensional lithium battery (NCM) of lithium nickel-cobalt-manganese acid. In order to achieve higher energy density, the NCM battery model is also from NCM111, to NCM523, NCM622, and then to the current NCM811. These numbers have representative of nickel content in the battery, and the reduction of other two raw materials This makes the battery's safety performance deteriorate. Even if there is a security hidden danger, in the power battery market, the emergence of the three-dimensional lithium battery has gradually replaced the lithium iron phosphate battery with higher safety performance, and the installed capacity accounts for about 70% of the total market, but in 2015, three yuan lithium Battery and lithium iron phosphate batteries are still in the state of a flat autumn.
When security and energy density cannot be improved at the same time, it is doubtful to sacrifice safety while improving energy density?
In contrast, Yang Hong, general manager of Honeycomb Energy, is more optimistic. He said that the future energy density and security are improved at the same time. This is the inevitable requirement of the electric car to the battery, which requires power battery companies to provide innovative solutions. The solution is solved by means of new processes, new materials, and new technologies, such as replacing traditional windings in a laminated manner.
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