Posts Tagged: LG Chem

Celgard files suit against LG Chem over battery separator patent

Celgard, a subsidiary of Polypore International (NYSE:PPO), has filed a complaint against LG Chem, alleging that the Korean chemical giant has infringed one of Celgard’s US patents for a battery separator. The patent in question covers ceramic composite layer lithium-ion battery separators. Celgard filed the lawsuit following a lengthy period of discussions with LG regarding… Read more »

LG Chem secures international patents for its safety-reinforced battery separator

LG Chem, the world’s largest lithium-ion battery maker, has obtained a patent for its safety-reinforced separator (SRS) in Europe and Japan. The company already has patents for the technology in South Korea, the US and China. The separator is an important component of lithium-ion polymer batteries, separating the negative and positive poles to prevent internal… Read more »

Navigant Research releases Leaderboard Report on lithium-ion battery manufacturers

In a new report, Navigant Research profiles 11 Li-ion battery vendors that are active in the EV market, and rates them on 13 criteria, including systems integration, safety engineering, chemistry performance, geographic reach, manufacturing and product performance, pricing, and overall corporate financial health. According to Navigant, “Li-ion batteries have won the race to be the chemistry… Read more »

LG Chem says US battery plant will begin production in late 2013

South Korea’s LG Chem plans to start production at its US car battery factory in the second half of this year, two executives told Automotive News. The Holland, Michigan manufacturing plant drew some unpleasant publicity in February, when a DOE investigation found that the production line at the plant was idle, but workers were being… Read more »

GM to produce next-generation EVs in South Korea

General Motors plans to produce its next generation of electric cars at its Bupyeong, South Korea, plant, as the US automaker increases its investment in the fast-growing vehicle technology. GM Korea head Sergio Rocha told journalists at this week’s Seoul Auto Show that the new model will be designed from the ground up as an… Read more »

Volt battery supplier forced to return $842K in DOE funds

The bad news: a colorful scandal has emerged at another of the companies that received DOE funds to build EV-related components. The good news: this time the feds got wise to the hanky-panky in time, and are forcing the company to make amends. In 2009, Korean battery maker LG Chem received a $150-million federal grant,… Read more »

SK Innovation wins battery separator patent lawsuit

It may not sound as exciting as a battery fire or a new electric race car, but this week’s news could be critically important for the Korean battery market. The Korea Times reported that SK Innovation has won a patent lawsuit against LG Chem, the world’s biggest player in batteries. Last December, LG filed a lawsuit alleging… Read more »

Pike report assesses 10 leading lithium battery firms

Lithium ion batteries – we EV boosters love ‘em (though we wish they could be a bit lighter and a lot cheaper). EV party-poopers hate ‘em, telling anyone who will listen that they’re bound to explode, stop working after a year or two, or maybe even channel mind-controlling signals from hippy Communist aliens. Everyone agrees… Read more »