Since battery-maker A123 was acquired by China’s Wanxiang Group, it has shifted its focus to concentrate on starter batteries, and has big plans to produce batteries for microhybrids, aka start-stop systems. A quarter of the company’s revenue still comes from EV battery packs – its factory in Hangzhou is running at full capacity to supply… Read more »
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Beating the polysulfide shuttle to build a solid-state battery approaching theoretical capacity
The latest advance in lithium-sulfur technology comes courtesy of a research team from Samsung and the University of Rome, who have built a solid-state Li-S battery with a capacity (∼1600 mAhg−1) approaching the theoretical value and Coulombic efficiency approaching 99%. In a paper published in the Journal of The Electrochemical Society, the team concludes that… Read more »
Voltabox begins building Li-ion battery packs in Texas
Three Li-ion battery chemistries, the speed of its software and hardware systems configuration and the automotive legacy of Voltabox make this newly-landed American spin-off company a player in the realm of rechargeable batteries for public transit and heavy industrial vehicles. Austin, Texas is known for many things: music festivals, barbequed ribs, the Texas Longhorns, filmmaker… Read more »
eVgo to deploy chargers with integrated battery storage
EV charging stations are an amenity that can help businesses attract good-quality customers. However, site owners may find, especially with DC fast chargers, that power spikes can trigger expensive peak demand charges from their electric company. NRG eVgo has partnered with energy storage startup Green Charge Networks to add integrated battery storage to its growing… Read more »
Panasonic expects to be the sole manufacturer in Tesla Gigafactory
Tesla’s Gigafactory will be a game-changer for the automotive industry, and as Tesla’s main battery supplier, Panasonic will be a key participant. As prospects for the massive battery plant have brightened and dimmed, not only the EV press but the major news outlets have been following the saga with keen interest. The latest news is… Read more »
Polypore to supply Celgard Li-ion battery separators to Panasonic
Polypore International (NYSE:PPO) has announced that its Celgard subsidiary has entered into a five-year supply agreement with Panasonic under which the Japanese battery behemoth will purchase Celgard brand separators to be used in its large-format lithium-ion batteries. Separators are critical components of a Li-ion battery, providing a barrier between the anode and the cathode while… Read more »
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 »
BMW i3 bares it all in LA
As BMW prepares to bring its new i3 to market in 2014, expectations are running high. The upscale city car fills a vacant niche in the market, and it embodies all the advantages of a pure EV. Equally important, the company seems committed to making the i3 a success in the marketplace, rather than taking… Read more »
Panasonic and Tesla to expand supply of battery cells
Panasonic and Tesla have updated and expanded an existing agreement under which the Japanese giant supplies automotive-grade lithium-ion battery cells to the Silicon Valley trendsetter. The new arrangement calls for Panasonic to supply nearly two billion cells over the course of four years, both for Model S and the new Model X, which is scheduled… Read more »
oneDRIVE of a kind: KLD Energy’s new propulsion system
In August 2013, KLD Energy announced that it has received official UN and IEC certification for the battery pack solution of its proprietary electric drive system. The announcement marked the end of a five-year development effort and the beginning of high-volume production for the company’s ultra-efficient turnkey oneDRIVE propulsion system. There are hundreds of different… Read more »