Beyond Lithium Ion: ARPA-E Places Bets on Novel Energy Storage

The largest grant winner in energy storage, PolyPlus Battery, hopes to make a rechargeable lithium sulfur battery. http://www.technologyreview.com/view/508071/beyond-lithium-ion-arpa-e-places-bets-on-novel-energy-storage/?utm_campaign=newsletters&utm_source=newsletter-weekly-energy&utm_medium=email&utm_content=20121203