June 25, 2023
Top 10 lithium battery separator manufacturers in China
Statistics show that China’s lithium battery shipments continue to grow overall, with a significant increase in growth since 2021. In 2022, China’s lithium battery shipments totaled 655GWh, an increase of 100.3%, doubling for two consecutive years.
As one of the important components of lithium batteries, lithium battery separator, from the demand side, is estimated that the the total demand is expected to exceed 110 billion ㎡ in 2027, and the average annual compound growth rate of demand in 2022-2027 is 52.5%, with great potential for growth. This article will introduce the top 10 lithium battery separator manufacturers in China in 2023.
Table of Contents
Top 10 lithium battery separator manufacturers in China in 2023
Semcorp
Established date | 2010 |
| Global headquarters | Shanghai, China |
Company website | www.semcorp.com |
Shanghai Semcorp New Material Technology Co., Ltd. was founded in Pudong, Shanghai in 2010, has built Shanghai, Zhuhai, Jiangxi and Wuxi production base, was listed in September 2016. It is a world’s leading new energy company in the field of lithium ion battery separator and an industry leader in high-performance wet-process separators and high-end functional coated separators.
With the core competitiveness in the field of lithium battery separator, Semcorp’s net profit has achieved substantial growth for 9 consecutive years, and hit a record high in 2020. At present, Semcorp has entered the supply chain system of the world’s mainstream lithium battery manufacturers, including: world’s leading lithium battery manufacturers such as Panasonic, Samsung, LG Chem and top Chinese lithium battery companies such as CATL, BYD, Gotion High-Tech, Farasis, Lishen and so on.
Semcorp has the world’s leading production equipment, the main products include lithium battery separators, aluminum-plastic film, BOPP film. Semcorp has successfully developed 4μm ultra-thin base film, high temperature resistant functional coating film, adhesive functional coating film, microporous self-closing high safety separator, semi-solid coating separator and other new products. It is the first manufacturer in the world to realize the integrated technology of base film/coating.
Senior
Established date | 2003 |
| Global headquarters | Shenzhen, China |
Company website | www.senior798.com |
Shenzhen Senior Material Technology Co., Ltd. was established in September 2003 and listed in December 2016. It is a leading manufacturer in China’s lithium battery separator industry, and has formed a strategic layout of one global headquarters, five production bases and overseas research and development institutions.
Senior Material has a comprehensive product layout, covering dry-process, wet-process and coated separator, and its products are used in many fields such as high-performance lithium batteries, electric bicycles, power tools, and electric vehicles. Among them, Senior Material has been deeply engaged in the field of dry-process separator for many years, and its market share has been top 2 in China in the past three years. It is growing rapidly in the wet-process separator segment and is in third place in 2021 market share.
The functional separator has a wider range of applications in addition to lithium batteries, for which Senior is continuing to develop thermoplastic carbon fiber composite materials for aerospace, high-speed trains, reverse osmosis membranes for the chemical industry, pharmaceuticals, and so on. After years of market exploration, Senior has established an efficient sales network and reached friendly cooperative relations with lithium battery manufacturers around the world such as South Korea, Japan and Germany.
According to the company’s strategic plan, while accelerating the construction of Nantong base and Foshan Nanhai base, the layout of the EU, ASEAN and China, when the Senior material will build 8 separator manufacturing bases in the world, it is expected that the annual production capacity of the company will reach 16 billion ㎡ in 2027, accounting for about 30% of the global market share, which will provide important material support for the rapid development of the global new energy industry.
Sinoma
Established date | 2016 |
| Global headquarters | Shandong, China |
Company website | www.sinomatech.com |
Sinoma Lithium Separator Co., LTD., founded in March 2016, belongs to China National Building Materials Group, specializing in the research and development, production, sales and technical services of high-performance lithium battery separators. The main products are 5 ~ 20μm wet-process bidirectional synchronous stretching separators and various coated separators, which are used in new energy vehicle power batteries, 3C consumer batteries and energy storage batteries, etc.
Sinoma lithium separator adopts the current international leading wet-process bidirectional synchronous stretching process with independent intellectual property rights, and has built a fully intelligent wet-process bidirectional synchronous drawing production line with width of 4m and speed of 50m/min.The whole process of production is under intelligent control, all processes of the product can achieve real-time quality online detection and traceability, from the order to the delivery of the entire process information, all products data, effectively ensure product quality and operational efficiency.
The performance of the produced lithium battery separator is excellent and stable, which ensures the high safety, high cycle life and excellent electrochemical performance of the battery. The company’s products have passed the certification and use of many high-end lithium battery manufacturers around the world.
ZIMT
Established date | 2012 |
| Global headquarters | Shenzhen, China |
Company website | www.zimt.com.cn |
Shenzhen ZIMT New Materials Technology Co., LTD., founded in 2012, is a subsidiary of Zhongxing New Communications Co., Ltd. specializing in the development, production and sales of lithium ion battery separator national high-tech manufacturers. The company has three major manufacturing bases in Shenzhen, Wuhan and Dongguan, and the Wuhan research and development base is also under construction.
At present, Zhongxing New Materials has an annual capacity of 600 million square meters of dry-process one-way stretching separator and 160 million square meters of coated separator. In 2021, after the second phase of the Wuhan production base is put into operation, the annual capacity of the company’s dry-process one-way stretching separator will reach 1 billion square meters, and it will become one of the largest dry-process one-way stretching separator manufacturers in the world.
The company specializes in dry-process separator products, thickness 10~20μm. Ceramic separator, PVDF coated separator has fully covered the energy storage, power, two-wheeled vehicles, power tools and other application markets in China.ZIMT has formed a series of core technologies with independent intellectual property rights in the fields of material modification and processing, analysis, testing and characterization, product verification and surface modification. 74% were declared, including 1 international patent application. It has obtained 31 authorized items, including 14 invention patents and 17 utility model patents.
Gellec
Established date | 2010 |
| Global headquarters | Hebei, China |
Company website | www.gellec.com |
Hebei Gellec New Energy Technology Co., Ltd. was founded in February 2010, located in Handan, Hebei Province, mainly produces wet-process separators, coated separators, and breathable separators, etc. The products are used in 3C batteries, electric vehicles, self-balanced scooters, energy storage, aerospace, etc. All specifications can be customized according to customer needs.
It covers a variety of wet-process separators, including ultra-thin separators, high-strength separators, high-porosity separators, etc. The planned total production capacity of Gellec is 2.75 billion square meters/year, the existing production capacity is 650 million square meters/year, and it has two production bases in Handan, Hebei and Maanshan, Anhui.
Over the past 12 years, Gellec has adhered to technological innovation, product innovation and process innovation to continuously improve its competitive advantage and maintain sustainable development. The newly developed 3μm diaphragm uses ultra-high molecular weight polyethylene raw materials, and the acupuncture strength of the product can reach the conventional 5μm level, which can better meet the demand for high energy density of lithium batteries under the premise of ensuring safety.
Huiqiang
Established date | 2011 |
| Global headquarters | Hebei, China |
Company website | www.hqnem.com |
Wuhan Huiqiang New Energy Material Technology Co., LTD., founded in January 2011, is a high-tech company focusing on the research and development, production and sales of high-quality lithium battery separator, with three manufacturing bases in Zhumadian, Henan, Wuhan, Hubei, Xiangyang and two provincial special membrane research and development centers.
The company has established a professional R&D team, and relying on senior experts as a strong technical support, successfully developed with completely independent intellectual property rights of dry-process one-way stretching process products, according to customer needs to produce 6μm to 60μm different specifications of single-layer, multi-layer lithium battery diaphragm and coating diaphragm. It is an industry-leading developer and product supplier of new energy vehicle power battery separator technology.
The company focuses on the production, sales and research and development of new products and new materials such as three-layer co-extruded PP and PE with different materials and PP with the same material, such as lithium battery separator, PI separator, lithium battery composite separator and solid electrolyte membrane, PVDF coated separator and ceramic coated separator.Products are mainly used in large lithium power batteries (electric vehicles, electric motorcycles, electric tools, large energy storage equipment), power batteries (electric vehicles, electric motorcycles, power tools), large energy storage batteries, high voltage batteries and so on.
The main customers of Huiqiang include BYD, GreenPower, Zhongtian Energy storage, Highstar and Phylion, one of the top 10 e-bike battery manufacturers in China. Huiqiang lithium battery smart separator project phase II expanded the project with new 62 acres land and 5 world’s leading new energy power lithium battery smart separator production lines. The start of the project marks a new step in the leapfrog development of Huiqiang.
Horizon
Established date | 2017 |
| Global headquarters | Jiangsu, China |
Company website | www.horizon-tech.cn |
Jiangsu Horizon New Energy Technology Co., Ltd. was established in November 2017, is the world’s high-end lithium battery separator manufacturer. The company has the world’s advanced equipment and international leading technical team, which provides a strong guarantee for the high-end quality and stable quality of products.
The main products of Horizon include coating and base separators, which are used in many fields including new energy vehicle power batteries, 3C consumer batteries and energy storage batteries. The four base separator production lines and coating production lines in Jiangsu base of Horizon have all been put into operation, and the production capacity of lithium battery separator under construction has exceeded 2 billion square meters.
In April 2023, the southwest base of lithium battery separator production of Horizon was completed in Tongliang, with a total investment of 6.5 billion RMB and an area of 560 acres, with an annual output of 2.5 billion square meters of wet-process base separator and wet-process coated separator. With the practice of the project, it will further extend the new energy storage industry chain of copper beam and provide strong support for copper beam to build a new energy storage industry highland in western China.
Pulead
Established date | 2016.10 |
| Global headquarters | Jiangsu, China |
Company website | www.pulead.com.cn |
Jiangsu Pulead New Material Technology Co., Ltd. was established in October 2016, is a professional international and Chinese high-power energy storage and electric vehicle lithium battery manufacturing enterprises to provide separator materials research and development, production, sales, technical services of high-tech companies, is the separator plate production base of Qinghai Taifeng Lithium Technology Co., Ltd.
The project is equipped with a mature management and research and development team, advanced testing and measuring instruments and international advanced production line equipment, which is an important extension of the cathode and negative anode materials and lithium battery manufacturing industry chain that has been formed in Jiangsu Province.
Pulead polymer composite material project plans a total investment of 5 billion RMB, the total land area of 140,000 square meters, with 12 lithium battery separator production lines and 20 separator coating production lines, mainly apply Japanese separator production technology and wet-process bidirectional stretching process. mainly the production of polymer composite diaphragm materials. Mainly produces polymer composite diaphragm materials, and the products are used on high-power energy storage and lithium batteries for electric vehicles.
Lanketu
Established date | 2016 |
| Global headquarters | Shandong, China |
Company website | www.lanketu.com |
Qingdao Lanketu Separator Materials Co., Ltd. was established in 2016, is a holding subsidiary of Qingdao Zhongke Hualian New Materials Co., LTD., with the registered capital of 200,000 RMB, mainly engaged in wet-process lithium battery separator process research and development, production and sales services. The first phase of construction of two wet-process lithium-ion battery production lines were built with an annual output of 200 million square meters, officially put into operation in 2018.
Lanketu’s products mainly include wet-process separator base film, ultra-high strength separator, ultra-high strength separator, ceramic coated separator, Boehmite coated separator, water-based PVDF coated separator, oily PVDF coated separator, wet-process+ arfiber coated separator, etc. The products are used in various portable electric products and electric vehicles.
Cangzhou Mingzhu
Established date | 2014 |
| Global headquarters | Cangzhou, China |
Company website | www.lanketu.com |
Cangzhou Mingzhu was founded in 1995, and in 2014 set up a subsidiary Cangzhou Mingzhu Separator Technology Co., LTD. in 2016. It invests in the construction of wet-process lithium-ion battery separator project and successfully put into production.
The company’s business scope includes the manufacturing, development, processing, sales and related technical services of lithium battery separator, coated modified separator, microporous separator and filter membrane, etc. The products are used in small consumer electronics products, electric vehicle power batteries, energy storage, power batteries and rate batteries.
Cangzhou Mingzhu announced on June 20, 2023 that the company intends to invest in the construction of 1.2 billion square meters of wet-process lithium battery separator project in Cangzhou High-tech District, with a total investment of 3.5 billion RMB, mainly investing in the construction of 8 wet-process lithium battery diaphragm production lines and related supporting facilities for the production of wet-process lithium ion battery separator products.
Hailey
Hi, I am Hailey, Since I graduated with my master's degree in physics, l have dedicated myself to lithium battery industry and worked with lithium battery engineers to complete various lithium battery design and manufacturing projects. Based on the electronic knowledge as a lithium battery engineer for more than 4 years, I am now mainly responsible for writing content about lithium battery and I would like to share my views with you.
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