Recently, Xinlun Technology announced that it plans to invest 550 million yuan to acquire the lithium battery aluminum plastic film soft pack product related assets held by T&T. T&T Co., Ltd. is a well-known Japanese company that manufactures and sells various lithium-ion battery packaging materials. Aluminum-plastic film can effectively reduce the weight of batteries compared to the traditional aluminum shells and other battery exterior materials, and improve the safety of lithium batteries and reduce the probability of battery explosion.
New energy vehicle scale
Brokerage research report believes that the large-scale launch of new energy vehicles will raise the requirements for the safety of lithium batteries, aluminum plastic film as an important part of lithium materials will usher in a period of rapid development. At present, the mainstream electric car companies have also adopted a large number of aluminum plastic film packaging, the potential market size will reach 10 billion level.
Lithium batteries can be classified into liquid lithium batteries and polymer lithium batteries depending on the electrolyte morphology. Liquid lithium ion batteries are mostly packaged in steel and aluminum shells. Steel shells are gradually being replaced by aluminum shells due to their heavy weight and poor safety. Polymer lithium-ion batteries are generally solid polymer electrolytes. Many domestic companies also use liquid electrolytes, which are collectively referred to as polymer batteries. The battery packaging uses aluminum plastic film. Compared to liquid lithium batteries, polymer lithium-ion batteries use colloidal electrolytes, which do not cause problems such as leakage or explosion of liquid batteries, and are more safe and lighter. At the same time, the use of aluminum plastic film as a battery shell, polymer lithium battery, the specific volume, weight and other properties have greatly improved. If a polymer is used as the positive electrode material, the specific energy (energy/mass) of the polymer lithium battery can be increased by more than 50% compared to the conventional liquid lithium ion battery.
Due to the promotion of consumer electronics upgrades and new energy vehicle capacity, polymer lithium batteries are favored for their superior characteristics and have a promising market prospect. Currently, lithium polymer batteries account for a relatively low percentage of lithium-ion energy. With the continuous upgrading of new technologies, it is expected that the proportion of lithium-polymer batteries will increase substantially. At the same time, new energy vehicles have raised requirements for lithium battery safety, battery capacity, and other indicators, and have also brought a lot of demand for aluminum-plastic film materials.
From the perspective of the material itself, aluminum-plastic film is currently a relatively technically difficult link in the field of lithium battery materials, and it basically relies on imports. Aluminum plastic film products have a strong profitability (gross profit rate of 60% to 80%), far exceeding other materials. At present, mainstream electric vehicles such as the Nissan Leaf, Chevrolet Volt, and BMW have adopted a large number of soft-packed battery lines packed with aluminum plastic film. As the consumer environment gradually matures, electric vehicles are ushering in explosive growth, and electric vehicles will also become aluminum-plastic films. The main driving force for long-term growth.
The domestic aluminum plastic film market is basically monopolized by Japanese and Korean companies, and Japan Showa and DNP together account for 85% of the market share. The agency expects that the current market space for aluminum plastic film is only several billion yuan. With the downstream demand, the industry growth rate is expected to exceed 40%.
In terms of aluminum plastic film companies, Zijiang Enterprises is the leading aluminum film manufacturer in China and has already achieved small batch production. It has become a supplier of lithium battery companies such as ATL and Lishen, and is expected to grab market share of imported products. According to the brokerage report, the quality of the company's aluminum-plastic film products is similar to that of Showa, DNP, and other companies, but it has great advantages in terms of price, delivery cycle, and customer service. Dominic optical aluminum plastic film products are expected to be put into mass production in mid-2016, with a production capacity of 15 million square meters. In 2015, it has sent samples of BYD and several electronic companies in Dongguan. The market has received good feedback. Fosu Plastic Technology is also developing aluminum-plastic film-related products, and actively laid out lithium battery production line construction, application of graphene in lithium batteries, etc. The actual controller is Guangdong Guangxin Holding Group.
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