The Tech

GM and ABB demonstrate grid storage system built from used Volt batteries

  At the recent Electrification Experience symposium in California, GM and ABB demonstrated a “community energy storage system” made from five used Chevy Volt batteries. The unit is designed to provide 25 kW of power for two hours, enough to power 3 to 5 average American homes (a few dozen of these babies would come… Read more »

CalBattery’s new Si-graphene anode triples Li-ion battery capacity

California Lithium Battery, a finalist in the DOE’s 2012 Start Up America’s Next Top Energy Innovator challenge, has announced the record-setting performance of its new “GEN3” silicon graphene composite anode material for lithium-ion batteries (LIBs). Independent test results in full cell LIBs reveal an energy density of 525 Wh/kg and specific anode capacity 1,250 mAh/g. In… Read more »

New class of power inverter could lead to lighter and cheaper EVs

A researcher at Indiana University-Purdue University Indianapolis (IUPUI) has invented a new class of power inverter that could lead to cheaper and lighter traction motors and power electronics for EVs.  Power inverters are a key component of EVs, as well as related technologies such as solar power and battery storage. Current inverters with multiple switching… Read more »

A123 finally runs out of juice and files for bankruptcy

Battery maker A123 Systems announced that it has filed for Chapter 11 bankruptcy, and agreed to sell its automotive business assets to Johnson Controls. Once considered a promising startup with innovative technology, the company took a huge hit in March, when it was forced to recall a batch of defective batteries destined for Fisker’s Karma… Read more »

Bob Lutz joins the board of NanoSteel

NanoSteel, a privately held company that makes proprietary nano-structured steel materials, announced this week that automotive visionary Bob Lutz has been appointed to the company’s Board of Directors. Through the development of patented alloys, NanoSteel has created a new class of steel that allows automotive engineers and designers to reduce weight through the use of… Read more »