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Graphene-based supercapacitor offers energy density comparable to NiMH battery, but with rapid charge and discharge

Green Car Congress

Researchers from Nanotek Instruments and Angstron Materials have developed a graphene-based supercapacitor that exhibits a specific energy density of 85.6 These values are comparable to those of NiMH batteries, the researchers note, but the new supercapacitor offers the ability to be charged or discharged within seconds or minutes.

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ARPA-E awarding $36M to 22 projects in RANGE program for transformative EV storage

Green Car Congress

The US Department of Energy (DOE) Advanced Research Projects Agency - Energy (ARPA-E) will award approximately $36 million to 22 projects to develop transformational electric vehicle (EV) energy storage systems using innovative chemistries, architectures and designs. Rare-Earth Free NiMH Alloy for EV Batteries.

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Tier 1 HELLA evaluating PowerGenix NiZn batteries for 48V mild hybrid vehicles

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NiZn offers superior energy and power density compared to lead-acid and Nickel-Metal Hydride (NiMH) and avoids the high costs and safety issues associated with Lithium-ion (Li-ion) batteries. billion market for energy storage devices, according to a 2012 Lux Research report on micro and mild hybrids. Source: PowerGenix.

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Profile: Li-ion Provider Compact Power, Inc. Focusing on the Automotive and Vehicle Markets

Green Car Congress

In Li-ion batteries, Li ions (Li + ) leave the cathode during charging and move through the electrolyte and separator to intercalate into the anode. As the technology gets fixed, the anode is more of an issue related to fast charge. Generic Li-ion cell and various component technologies. The reverse happens on discharge.

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

2010 Prius designed to be manufactured with NiMH or Lithium batteries. Ford spokesman in Wards Auto ) 6/9/06 "So, Mr. Ford is saying we’re looking into it. Agrees on environmental and economic benefits, though some presentations backtrack on that; says batteries need further development before commitment to mass-production.

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