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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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Itochu increases interest in Eguana as it eyes global ESS markets

Tue, 03/17/2020 - 16:29 -- paul Crompton

Japanese firm Itochu Corporation has strengthened its grip on the energy storage industry with an investment in lithium-ion energy storage system maker Eguana Technologies.

The deal paths the way for Itochu to expand sales of ESSs in the US, Australia and Europe— key markets for the Canadian firm Eguana.

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UL certification first for joint venture’s second-life ESS batteries

Thu, 08/22/2019 - 13:52 -- John Shepherd
UL certification first for joint venture’s second-life ESS batteries

A Japanese company that reuses electric vehicle batteries in second-life energy storage systems has become the first to be certified to UL 1974— an evaluation standard for repurposing batteries.

4R Energy Corporation, a joint venture of Nissan Motors and Sumitomo Corporation, is the first company worldwide to receive the certification from US-based international testing and certification organisation Underwriters Laboratories (UL).

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Toyota boosts lithium-ion battery safety on new plug-in hybrid

Wed, 11/09/2016 - 10:01 -- Xuan Zhong

Engineers at Japanese automaker Toyota claim to have tamed volatile lithium-ion batteries while increasing power at no significant extra cost, according to newswire Reuters.

Lithium-ion battery safety concerns not only exist in mobile devices, think of Samsung’s heartbreak, but also electric vehicles.

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Joint venture to make better battery management system

Fri, 09/23/2016 - 13:09 -- paul Crompton
Joint venture to make better battery management system

Lithium-ion smart energy cells manufacturer Oakridge Global Energy Solutions has established a joint venture with a Japanese firm to make battery management systems.

The US based company, which makes cells for military, civilian and medical applications, will work with Toyo-System to design and manufacture BMSs for its Generation 2 Smart Energy Cell.

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Lithium-ion pioneer Sony to sell its battery business

Thu, 08/18/2016 - 15:24 -- paul Crompton
Lithium-ion pioneer Sony to sell its battery business

Pioneering lithium-ion company Sony Corporation is set to sell its battery business to fellow Japanese firm Murata Manufacturing.

Sony signalled it’s intent to negotiate the sale of the group’s battery business by entering into a non-binding memorandum of understanding with Murata.

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Oakridge new Japan logo summons spirit of Samurai

Tue, 08/16/2016 - 14:45 -- paul Crompton
Oakridge new Japan logo summons spirit of Samurai

Lithium-ion cell maker Oakridge Global Energy Solutions has announced it has created a new corporate logo for its emerging Japanese operations.

The US based manufacturer for military, civilian, and medical applications, unveiled the distinctive new Oakridge Japan logo's design aims to symbolise the highest quality cutting edge of Japanese energy technology, combined with the unique Oakridge blue metallic sheen which represents unsurpassed performance and reliability.

Oakridge is in the process of building on its previously announced Japanese strategic relationships so as to integrate the latest in lithium-ion technology from Japan into its second generation range of products which combine cutting edge technology with the unique Oakridge "design DNA," which together immediately set Oakridge apart from its competition.

Oakridge will continue to deepen its Japan presence and relationships during the balance of this year, and will be announcing further details of these exciting developments in the coming months.

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Tesla looks to Korea for its lithium-ion EV battery supply

Fri, 05/27/2016 - 16:00 -- paul Crompton
Tesla looks to Korea for its lithium-ion EV battery supply

With 400,000 pre-orders of its model 3, Tesla is looking beyond the Japanese lithium-ion battery maker Panasonic for its supply to ensure it can meet demand, reports the Korea Times.

Some Korean companies are also getting in on the act to supply materials for those batteries.

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Japanese lithium battery maker moves into motorbikes

Wed, 02/24/2016 - 13:02 -- paul Crompton
Japanese lithium battery maker moves into motorbikes

Japanese lithium-ion battery and energy storage systems manufacturer Eliiy has expanded its portfolio to include motorbike batteries.

Eliiy plans to complete a dedicated production line at its plant in Kawasaki to produce the batteries as an alternative to the traditional lead-acid starter batterie

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