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X-Rated
03-05-2014, 04:56 PM
LIC's (http://en.wikipedia.org/wiki/Lithium-ion_capacitor)


A lithium-ion capacitor (LIC) is a hybrid type of capacitor. Activated carbon is used as cathode. The anode of the LIC consists of carbon material which is pre-doped with lithium ion. This pre-doping process lowers the potential of the anode and allows a high output voltage.


Properties

Typical properties of an LIC are:
High cell capacity, because of the large anode capacity
High energy density (14 Wh/kg reported in [2])
High power density
High reliability
Operating temperatures ranging from −20 ⁰C to 70 ⁰C.
Low self-discharge (<5% Voltage drop at 25⁰C over three months reported in).


Lithium-ion capacitors are quite suitable for applications which require a high energy density, high power densities and excellent durability. Since they combine high energy density with high power density, there is no need for additional electrical storage devices in various kinds of applications, resulting in reduced cost of ownership.

Maybe the wave of the future here?

NQ6U
03-05-2014, 06:19 PM
Like, you said doped, man.

kb2vxa
03-05-2014, 10:02 PM
Oh wow man, Lithobid lithium gets you off, but doped lithium has a high energy density when you LIC it... faaar out maaan.

W9JEF
03-06-2014, 10:40 AM
Specific energy (http://en.wikipedia.org/wiki/Specific_energy)

11–14 W·h (http://en.wikipedia.org/wiki/Watt_hour)/kg[verification needed (http://en.wikipedia.org/wiki/Wikipedia:Verifiability)]



Energy density (http://en.wikipedia.org/wiki/Energy_density)

19–25 W·h/L[verification needed (http://en.wikipedia.org/wiki/Wikipedia:Verifiability)]



Specific power (http://en.wikipedia.org/wiki/Power_to_weight_ratio)

160–2800 W/kg[verification needed (http://en.wikipedia.org/wiki/Wikipedia:Verifiability)]



Charge/discharge efficiency

95%[verification needed (http://en.wikipedia.org/wiki/Wikipedia:Verifiability)]



Self-discharge rate

< 5%/month (temperature dependent)



Cycle durability

>10,000[verification needed (http://en.wikipedia.org/wiki/Wikipedia:Verifiability)]



Nominal cell voltage

2.2–3.8 V[verification needed (http://en.wikipedia.org/wiki/Wikipedia:Verifiability)]




These "capacitors" seem to have a lot in common with batteries.

Cycle durability and charge / discharge efficiency
could bolster the attractiveness of the electric car.

X-Rated
03-06-2014, 12:11 PM
Yes. In many ways large capacitors are quite similar to batteries. I am certain in the future there will be no batteries as there are no vinyl records anymore. Capacitors will replace them. More efficiency and better longevity. I mean, at the present, what is expected to last longer, the life of a Tesla motor car or the batteries? I would guess that the car should last longer, but I don't know for certain. I am pretty certain that the life expectancy of caps powering a car will be longer than the car it powers. Getting to those efficiency levels is the trick. This may do the trick. I just don't know. But it is a good day to work at a capacitor company.