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separators

Polypore and SEMCORP establish JV in China for dry-process lithium-ion battery separators

Fri, 10/01/2021 - 11:02 -- Paul Crompton

A joint venture to produce up to 1 billion m2/year of dry-process lithium-ion battery separators in China by 2028 has been established by a joint Japanese and Chinese partnership.

The joint venture (JV) was established by Polypore International (Polypore)—  A wholly owned subsidiary of Japan’s Asahi Kasei— and China’s Shanghai Energy New Materials Technology (SEMCORP) 

Production by the JV is scheduled to start next year with a capacity of 100 million m2/year, with plans to raise capacity to 1 billion m2/year by around 2028 in line with demand growth. 

The joint venture will manufacture and sell dry-process separator in China for energy storage systems (ESS) and electric vehicle (EV) batteries. 

The technology and intellectual property related to dry-process polypropylene (PP) separator will be based on a license from Polypore’s subsidiary Celgard.

The JV will leverage Celgard’s technology in combination with SEMCORP’s production process control and cost control capabilities in China. 

The agreement for the establishment of the joint venture was reached in January 2021, but only just confirmed.

Celgard president Lie Shi said that by joining each company’s specialisms, the joint venture would provide a wide range of solutions to customers and stimulate further development of the LIB industry overall.

SEMCORP is China’s leading manufacturer of wet-process LIB separator, with six manufacturing sites in China having a total production capacity of 3.5 billion m2/year. 

SEMCORP chairman and CEO Paul Xiaoming Lee said: “This joint venture will let us capture a huge opportunity in the ESS market with dry-process separator. 

“By combining Celgard’s highest-level technology and know-how with SEMCORP’s rich operational experience in China, track record of mass-producing high-quality separator, and cost-competitiveness, this joint venture with Polypore will be a revolutionary supplier of dry-process separator.” 

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Korean firm ups UHMW-PE production to meet demand of lead-acid and lithium-ion battery industry

Tue, 12/08/2020 - 12:39 -- Paul Crompton

Petrochemical firm Hanwha Total has increased its annual plastic production capacity to meet demand for separators from lithium-ion and lead-acid battery makers.

The South Korean headquartered company— a joint venture between French fossil fuel giant Total and Korean company Hanwha General Chemicals— will increase production to 140,000 metric tons as demand has spiked for plastic.

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Asian firms sign partnership agreement to make lithium-ion separators

Wed, 11/27/2019 - 15:52 -- Paul Crompton

Japanese firm Teijin Limited has signed a technical license agreement with China’s Shanghai Energy New Materials Technology (SEMCORP) to make solvent-based coating separators for lithium-ion secondary batteries.

Teijin aims to integrate its technologies with SEMCORP's strengths in substrate production capacity and cost competitiveness.

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Microporous partners China’s Zisun for AGM separators

Fri, 06/07/2019 - 12:56 -- John Shepherd
Microporous partners China’s Zisun for AGM separators

US-based lead-acid separator firm Microporous has agreed a global partnership deal with Chinese micro-glass fibre firm Zisun Technology to manufacture, develop and distribute AGM battery separators.

Microporous said the deal would see it add AGM separators to its product portfolio and combine “leading expertise in lead-acid battery chemistry and separator engineering with high-end micro glass fibre and related wet laid technologies”.

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UK chems firms ‘to cash in on battery supply market’

Wed, 05/01/2019 - 13:29 -- John Shepherd
UK chems firms ‘to cash in on battery supply market’

The UK chemical supply chain for battery manufacture could “capture a £4.8 billion (US$6.2bn) per annum market share” by 2030, meeting the needs of UK-built vehicles alone, according to a new report.

The report said its forecast was based on the “strong foundation of UK-based companies already embedded within many global battery supply chains”.

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Mitsui bolsters material production on batteries demand

Thu, 09/20/2018 - 12:10 -- Hugh Finzel
Mitsui Chemicals logo

Japanese chemicals company Mitsui has expanded production of its “ultra-high molecular weight polyethylene for lithium-ion battery separators in response to growing demand from the automotive and industrial sectors.

Mitsui said additional facilities for its Hi-Zex Million product have boosted production by around 15% to some 8,500 tons per year.

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Daramic chief reveals French facility expansion

Mon, 09/10/2018 - 13:50 -- John Shepherd
Bryan Moorehead

US-based lead-acid separator company Daramic is expanding its facility in France, president Bryan Moorehead has revealed.

The move will “add at least 15% to our capabilities” in the country, Moorehead told BEST Battery Briefing on the sidelines of the 16th European Lead Battery Conference (ELBC) in Vienna.

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Separator firm aims for bigger slice of EV market

Thu, 09/22/2016 - 10:15 -- Paul Crompton
Separator firm aims for bigger slice of EV market

Sumitomo Chemical is to quadruple production of its lithium-ion secondary battery separators and become a majority stake-holder in a cathode firm.

Separator production capacity will be raised in a ‘stepwise manner’, with the initial expanded commercial-scale production coming on stream in August 2017.

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Solvay shows Koreans who is top dog on separators and coatings

Tue, 11/10/2015 - 15:28 -- Paul Crompton
Solvay shows Koreans who is top dog on separators and coatings

Belgian-based Solvay speciality chemicals showed its range of Solef®polyvinylidene fluoride (PVDF) materials for the battery market including its new PVDF technology for solvent and water based separator coatings for high-energy, high-safety and high-sustainability lithium-ion batteries at Interbattery in Seoul Korea last month.

With Korean makers at the heart of battery development for the EV market, Solvay is the only PVDF supplier that uses both emulsion and suspension polymerization technology, thereby offering the industry the broadest range of high-performance binders and separator coating materials.

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Li-ion and Pb-A separator firm Polypore in $3.2b sell off

Thu, 02/26/2015 - 16:35 -- Paul Crompton
Li-ion and Pb-A separator firm Polypore in $3.2b sell off

Lithium-ion and lead-acid battery separator firm Polypore International has been sold for around $3.2billion in two separate deals.

The US company sold its Energy Storage business to Japanese firm Asahi Kasei Corporation for around $2.2billion and its Separations Media segment to US based 3M Co for around $1billion.

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