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battery separators

SK Innovation building Polish battery plant

Fri, 03/29/2019 - 10:42 -- Hugh Finzel

SK Innovation is to start work on a factory in Poland to manufacture lithium-ion battery separators (LiBS) and ceramic coated separators (CCS) for electric vehicle batteries in Europe.

The South Korean group will break ground on the plant site in Województwo Śląskie in southern Poland in the third quarter of 2019— and expects to begin mass production in the third quarter of 2021.

SK Innovation intends to invest €335 million (US$378m) to realise four LiBS production units and three CCS production units on the 270,000 square metre site.

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Asahi Kasei to expand LIB separator manufacturing

Thu, 03/21/2019 - 14:22 -- Hugh Finzel
Asahi Kasei Hipore Li-ion battery separators

Japanese tech group Asahi Kasei will invest 30 billion yen (US$271 million) to expand its manufacturing capacity for lithium-ion battery separators, in response to “booming global demand in the battery market”.

Asahi Kasei will use the funds to increase production capacity by an additional 450 million square metres a year, taking the total capacity to 1.55 billion sq m, well beyond its target— stated in January 2018— of 1.1bn sq m by 2020.

The current 450m sq m expansion is scheduled for completion in mid 2021 across two factory sites— Moriyama in Japan and North Carolina in the US.

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Daramic expands production at sites in Asia

Mon, 02/25/2019 - 00:00 -- John Shepherd

US-based lead-acid separator manufacturer Daramic has announced the opening of new polyethylene battery separator production lines in China and Thailand, to “support the growing demand” of customers primarily in Asia.

The introduction of one additional manufacturing line in Tianjin, China will double the company’s capacity at the location, while the new manufacturing line in Prachinburi, Thailand will increase capacity at the location by 20%.

As well as meeting Asian demand, the expansions will enable Daramic to balance operations globally in order to supply customers regionally, meaning that capacity that was previously “utilised to meet Asia demand can now be diverted to support customers in other global regions”.

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Japan firm expanding lithium-ion separator output to meet EV demand

Fri, 10/07/2016 - 14:07 -- Paul Crompton
Japan firm expanding lithium-ion separator output to meet EV demand

Japanese firm Ube Industries is expanding its production capacity for lithium-ion battery separators to 300 million square meters by around 2020.

Expansion plans come as the company builds new production facilities for separators at its Sakai Factory, Osaka Prefecture, Japan.

Ube Industries expansion plans comes as it looks to meet growing demand for lithium-ion batteries for the automotive market.

Once the initial expansion project is completed in April 2018 the company’s Ube Chemical Factory and Sakai Factory will have a combined production capacity of 250 million square meters annually.

Ube Industries began manufacturing separators at the Ube Chemical Factory in Ube City, Yamaguchi Prefecture, in 1994. The Company began production of separators at Sakai Factory in 2013.

In 2011, Ube Industries and Hitachi Maxell, Ltd. established Ube Maxell Co., Ltd., as a joint venture to manufacture high-performance coated separator films. 

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Dreamweaver teams up with Nano-Nouvelle for electrode materials

Mon, 11/24/2014 - 14:09 -- Laura Varriale
Geoff Edwards from Nano-Nouvelle

US lithium separator maker Dreamweaver International (Dreamweaver) has partnered with Australia’s materials developer Nano-Nouvelle for the development of electrode materials.

The collaboration is aimed to support Nano-Nouvelles’ range of electrodes for advanced battery systems.

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LG Chem and SK Innovation drop lawsuit

Fri, 11/07/2014 - 09:36 -- Laura Varriale
LG Chem and SK Innovation reach agreement

EV battery producers LG Chem and SK Innovation have withdrawn their patent lawsuit in the US and South Korea about inorganic material-coated separators.

The two companies agreed to not file any lawsuits over patents or seek damages for the next 10 years in Korea or overseas and cooperate in the electric vehicle battery business.

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Hollingsworth & Vose acquires Raman FibreScience

Thu, 11/06/2014 - 10:28 -- Laura Varriale
Raman FibreScience facility in India

Hollingsworth & Vose (H&V), a battery separator manufacturer, has acquired Indian filtration media and battery separator maker Raman FibreScience (Raman) with immediate effect.

Raman manufactures a range of battery separators for flooded lead-acid batteries. According to the Mysore-headquartered company, the battery separators are suitable for use in automotive, standby power, industrial tubular and traction batteries. Raman has an international customer base.

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Entek invests $17m in next generation lead-acid separators

Thu, 03/27/2014 - 12:14 -- Ruth Williams

Battery separator manufacturer Entek is investing £10m ($17m) to develop its next generation lead-acid separator materials for automotive batteries at its UK manufacturing plant.

The company is keeping the new separator, which will be formally unveiled at the 14th European Lead Battery Conference in Edinburgh this September, under wraps. The first phase of the investment includes £2.5m of new machinery installed at its site near the city of Newcastle, with more to follow in the coming 18 months.

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US separators patent issued to Johnson Controls Autobatterie

Thu, 09/19/2013 - 09:12 -- Editor

The US Patent & Trademark Office issued Johnson Controls Autobatterie GmbH a patent for a set of separators for a lead-acid rechargeable battery on 17 September.

According to the abstract released by the US Patent & Trademark Office: "The invention relates to a method for converting a separator processing machine for processing separators for a lead accumulator, comprising the steps of ending a supply of a first separator having a first separator width to the separator processing machine and supplying a second separator having a second separator width that differs from the first separator width to the separator processing machine.

“According to the invention, the separators comprise a base film body extending along a center line and a plurality of primary ribs, which are raised above the base film body along the center line by a primary rib height and are disposed mirror-symmetrically with respect to the center line, wherein the primary ribs of the second separator with respect to the center line are disposed in the same locations as the primary ribs of the first separator."

Porous Power separator reduces risk of thermal runaway

Wed, 02/27/2013 - 17:36 -- Ruth Williams

Porous Power Technologies (PPT) has launched a line of ceramic-filled battery separators designed to improve the thermal stability and safety of the large-format lithium-ion batteries used in electric vehicles, flat-cell consumer electronics, and high-power applications.

Under heat, the ceramic-filled polymer separators fuse together, leaving a thin film of ceramic particles between the electrodes and reduce the likelihood of hard shorts that can lead to thermal runaway and cell failure.

The ceramic particles are evenly distributed throughout the PPT chemically inert PVDF polymer. The particles reside primarily in the pore walls, leaving a large and uniform open pore structure that enable ions to pass through with less resistance and less heat generation.

The separators will provide greater power in high-current applications as well as having increased thermal stability with less cell degradation. The design offers reduced separator shrinkage, extended cycle life, higher bake-out and operating temperatures, and improved puncture and abuse resistance.

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