13 septembre 2016

BMW X1 xDrive25Le iPerformance Unveiled At Chengdu Motor Show

credit photo BMW   The new Chinese-market-only BMW X1 xDrive25Le iPerformance was unveiled recently at the 2016 Chengdu Motor Show, giving us one of our first looks at the company’s plans for the plug-in compact luxury SUV market. The model is being manufactured by BMW Brilliance according to a press release from BMW Group, and is compliant with all relevant requirements for the Chinese market. The model features a 10.7 kilowatt-hour (kWh) lithium-ion battery pack, reportedly allowing for an all-electric single-charge... [Lire la suite]

24 février 2015

Advances In Lithium-Sulfur Batteries Offer Promise For Electric Cars

Commercial uses of the element sulfur date back centuries, but it may be the key to a new generation of batteries with high theoretical energy density and relatively low cost. The principles of a lithium-sulfur battery have been known for decades, but practical solutions to the chemical challenges inherent in the cells remain to be found. Now, a new study the journal Nature Communications (via ChargedEVs) describes a possible way to solve one of those challenges.  In a lithium-sulfur battery, the sulfur and lithium sulfides... [Lire la suite]