This article is an excerpt from Tesla Motors: How Elon Musk and Company Made Electric Cars Cool, and Sparked the Next Tech Revolution by Charged Senior Editor Charles Morris. This 270-page book is a comprehensive history of Tesla, told by the entrepreneurs who made it happen, as well as an assessment of the company’s lasting influence… Read more »
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New anode extends the life of lithium-sulfur batteries
Many researchers are interested in lithium-sulfur batteries, because they can offer up to four times the energy density of lithium-ion chemistries. However, current lithium-sulfur batteries have a much shorter lifespan. In a paper published this week in Nature Communications, a team from the Department of Energy’s Pacific Northwest National Laboratory (PNNL) described a “hybrid” anode… Read more »
Berkeley Lab researchers get to the root of the lithium anode problem
In the quest for higher energy density, the use of lithium metal anodes would seem to be a promising approach, if it weren’t for those doggone dendrites. Dendrites are microscopic fibers of lithium, which sprout, tree-like, from the surface of the lithium electrode and spread through the electrolyte until they reach the other electrode, possibly… Read more »
Web of Power: Spider9’s Operating System for Energy
Spider9 weaves a matrix for stationary energy storage and shows that when it comes to fitting battery technology into electric vehicles, it’s not all for one and one for all. Many real-world technologists and engineers take inspiration from the worlds of science fiction, where recurring themes of systems theory take shape in the Grid of… Read more »
South Korean electric buses use dynamic wireless charging
The city of Gumi in South Korea has deployed two electric buses that use dynamic wireless charging. Dynamic wireless is a particularly exciting technology, as it has the potential to remove several of the objections associated with EVs. In a public transport context, it eliminates the need for unsightly overhead wires. Further down the road,… Read more »
GM offers a range of electrified vehicles – but don’t call them hybrids!
When is a hybrid not a hybrid? When it’s made by GM. In a recent blog post, Pam Fletcher, one of GM’s chief engineers, claims to be trying to clear up the confusion about the terms used to describe the various categories of electrified vehicles (and of course, to explain why you want to buy… Read more »
Ultracapacitors creep into automotive
Maxwell looks to leverage its early ultracapacitor experience into a ubiquitous, low-cost, high-volume complement to batteries. Power sources like internal combustion engines and advanced battery packs work great as continuous suppliers of energy. But during the highest peak loads, both sacrifice efficiency attempting to meet the power delivery demands. And pushing these devices to their… Read more »