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
Green Car Congress
AUGUST 22, 2013
ARPA-E’s RANGE program seeks to improve EV driving range and reduce vehicle costs by re-envisioning the total EV battery system, rather than working to increase the energy density of individual battery cells. Naval Research Laboratory, will develop a low-cost battery using zinc-air technology. Princeton University. General Electric.
Green Car Congress
AUGUST 28, 2013
The performance of this new generation of powertrains will reflect significant advances in battery, electric motor and gasoline engine technologies. Among the broad technology advances Ogiso outlined during his talk were: “In its three generations, Prius MPG has improved on average by about 10%, each generation. —Satoshi Ogiso.
Green Car Congress
OCTOBER 21, 2013
High-rate, high-power capabilities are critical to the performance of 48-volt systems, but cost and complexity of Li-ion battery technologies capable of meeting such requirements pose the biggest challenge to their widespread adoption. Marc Nalbach of HELLA. Source: PowerGenix. Click to enlarge.
Clean Fleet Report
NOVEMBER 2, 2023
When on the freeway, take a glance at the center round gauge that shows whether the hybrid system is in the charging, eco or power mode. Learning how to modulate the accelerator pedal to stay in the eco and charge range will produce the best efficiency. Your numbers may differ. This feature-rich system is explained here.
Green Car Congress
SEPTEMBER 13, 2010
liter, 98 hp (73 kW) VVT-i gas engine, a 60 kW (80 hp) electric motor, a generator, a high performance NiMH battery, a power control unit, and a power split device which employs a planetary gear set to combine and re-allocate power from the engine, electric motor and generator according to operational requirements. Engine NVH.
Green Car Congress
FEBRUARY 19, 2009
Generic Li-ion cell and various component technologies. 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. The reverse happens on discharge.
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