Back in 2012, battery startup Envia was the toast of Silicon Valley. Its innovative battery technology had achieved the highest energy density ever recorded for a lithium-ion cell – a breakthrough that could halve the costs of EV batteries – and the company already had a deal to supply cells to GM. Today, the company… Read more »
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Researchers demonstrate major advance in lithium-sulfur battery chemistry
Researchers at the Lawrence Berkeley National Laboratory have demonstrated a lithium-sulfur (Li/S) battery that has more than twice the specific energy of current lithium-ion batteries, and that lasts for more than 1,500 charge/discharge cycles with minimal capacity loss. This is the longest cycle life yet reported for any lithium-sulfur battery. The results were reported in the… Read more »
MIT team uses virus to make a better lithium-oxygen battery
Researchers around the world have taken up the quest for a better battery, and lithium-air is one of the many promising routes to the Grail. This week, a team from MIT described an improved way to make nanowires for a lithium-air battery electrode using – of all things – viruses. “Biologically enhanced cathode design for… Read more »
The new A123 looks a lot like the old A123: Q&A with Jeff Kessen
Start-ups are tough. The majority of them do not succeed, particularly those built around new technologies in burgeoning industries. Nowhere is this more evident than in the EV industry. Even with political support and government grants, many companies have miscalculated the market and the capital required to make it into the black. In October 2012,… Read more »
Researchers use paper-folding technique to increase energy density
Could the secret to unleashing the electromobility revolution be…origami? Researchers at Arizona State University have shown that paper-folding concepts can be applied to Li-ion batteries to build devices with higher areal energy densities. In a paper published in the ACS journal Nano Letters, Qian Cheng and the team described how they built a battery using… Read more »
Australian researchers announce supercapacitor breakthrough
Researchers at Australia’s Monash University have developed a compact graphene-based supercapacitor device that lasts as long as a conventional battery, an advance with the potential to bring next-generation energy storage a step closer. Professor Dan Li of the Department of Materials Engineering and his team published their work this week in Science. Supercapacitors (SCs) are… Read more »
OXIS Energy bets on lithium-sulfur
Though it may have a stinky reputation, sulfur could set EVs on the path to total ICE replacement if energy-dense, low-weight lithium-sulfur batteries become the norm. British-based OXIS Energy is banking its business on it. If American clean energy industries are to take full advantage of the emerging lithium-sulfur (Li-S) battery chemistry, they just may… Read more »
e-Motorsports and the race to bring green automotive solutions into mainstream markets
The whirr of competition will replace the ear-splitting cacophony of engines and fossil-fueled adrenaline.
Oak Ridge researchers give solid Li-ion electrolytes a new spin
Their novel approach offers an advantage in terms of safety and also results in a broad (5 V wide) electrochemical window.
Pike Research makes 10 predictions for the EV industry in 2013
Pike Research has issued a white paper entitled Electric Vehicles: 10 Predictions for 2013, that should make (mostly) cheerful reading for EV enthusiasts. Saying that “doubts about the long-term viability of the plug-in electric vehicle (PEV) market were put to rest” in 2012, Pike predicts “the industry will be racing ahead in second gear in 2013.”… Read more »