Welcome to a laptop battery specialist of the Hp laptop battery
It seems to me that we are on the verge of a new era in the use of batteries and supercapacitors for propelling our transportation vehicles. Valance, A123 and Toshiba have already made major contributions to Lithium Ion battery technology. Further advancements in applying nanotechnology to the electrodes may bring the technology to the point that it is much more economical.
It hasn't been pointed out the Li-ion batteries are lighter than other batteries which is important for fuel economy. Li-ion batteries are also potentially more economical to produce because they require less cells for the same amount of power. The economies of scale afforded by mass production are very attractive. The hybrid vehicle is not a mature technology and it takes time for all of the required components to reach maturity. Almost no one thought that they would sell so well. With this incentive the larger producers like Johnson Controls and Saft are now gearing up and will be able to capitalize on the achievements to date.
Another technology that has been advancing very rapidly in parallel to batteries like Hp 345027-001 battery , Hp 342661-001 battery , Hp pavilion dv6000 battery (Hp dv6000 battery ), Hp Pavilion dv8000 battery (Hp dv8000 battery ), Hp HSTNN-DB20 battery , Hp 395789-001 battery , Hp 396008-001 battery , Hp 337607-003 battery is the supercapacitor. Supercapacitors can absorb the energy from regenerative braking much more efficiently than a battery, adding significantly to the fuel efficiently of a vehicle. They are especially suited to stop and start driveing and are becoming widely used in transit buses. They are lighter than batteries which adds to their attractiveness. Costs are coming down rapidly as the technology is improved and production volume increases. Only one manufacturer, Maxwell, has any significant presence in this market. Vehicles can now be made with no batteries, just a supercapacitor. While this only increases mileage a small amount, when a supercapacitor is wired in parallel to the battery pack their is significant synergy by reducing the size of the battery pack and increasing the amount of energy recovered from regenerative braking.
Yes, I have much more optimizium about battery technology and the future of electric and hybrid electric vehicles than I did just a year ago.
Energy Storage Problem: About 13 years ago, IEEE Journal devoted half an issue to electric propulsion systems and analysed all the battery systems on the market or then forseeable. They concluded none had the energy or power density needed for all-electric vehicles (no mention of hybrids back then). They also had a sidebar about a different kind of energy storage: not a chemical storage battery, but a MECHANICAL storage battery. It was a proposal from a professor at Stanford Univ for a high-speed flywheel made of cabon fiber and resin that depended on its high speed rather than a high mass to boost energy storage (recall E=mv^2, so increaseing speed has much greater effect than increasing mass of the flywheel).
Because it spins so fast it would have to be in a vacuum can and run on magnetic bearings for low friction. It should have the long life of a sealed refrigerator compressor. A motor /generator in each modular storage unit would be used to put energy in or take it out of the flywheel. (Magnetic bearings are just coming into use for commercial water chillers, and large flywheel enery storage are available for commercial computer UPS systems)
One advantage over chemical batteries and fuel cells is that in a serious accident no toxics or high temperature chemicals are released, and you don't have a lot of energy in a heavy spinning mass that emits shrapnel. The carbon fiber flywheel turns into a fluffy mass like cotton candy when ruptured. Best of all, this system would rival gasoline in its energy and power density, something no battery could do.
The professor admitted that these things would be a technical challenge to build, but they were not magic, and we have lots of aerospace companies who often face difficult technical challenges. But I have seen almost no R&D along these lines. Another technology where the US could excel, but no one has taken up the challenge