NiMH, Polymer and Re-Charge

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NiMH

Polymer

Re-Charge

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

Green Car Congress

NOVEMBER 26, 2010

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. Researchers from Nanotek Instruments and Angstron Materials have developed a graphene-based supercapacitor that exhibits a specific energy density of 85.6

NiMH

NiMH Nickel Metal Hydride Energy Batteries

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

Green Car Congress

FEBRUARY 19, 2009

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. and re-evaluate their expectations for range. The reverse happens on discharge. Click to enlarge.

Li-ion

Li-ion Power Powered Market

EV Driven

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

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

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