Many of the performance of vanadium battery better than lead-acid batteries, but what are its disadvantages?
There are two main technical problems, the existence of the first vanadium vanadium battery, battery anode in liquid pentavalent vanadium in static or temperature higher than 45 degrees Celsius conditions to the precipitation of five of two vanadium precipitation, the precipitation plug flow, coated carbon fiber, the deterioration of stack performance, until the stack is discarded, and power in a long time during the operation of reactor temperature of electrolyte can easily exceed 45 degrees celsius. Second, the graphite plate to be positive liquid etching, if the user properly operated, the graphite plate can use two years, if the user improperly, a charge can let the graphite plate completely etching, stack can only be scrapped. In normal use, every two months should be maintained by professionals, this high frequency maintenance costly and laborious.
On the use of super capacitor internal resistance is smaller, so the instantaneous release of the current can be greater. The super capacitor is not affected by the temperature, and all the chemical batteries are affected by temperature. When the ground temperature decreases, the internal resistance becomes larger. Supercapacitor is the pure physics principle, so it has longer life
The super capacitor is a battery made by the principle of physics, and the two battery is mostly a chemical battery made by chemical principle. So the two are essentially two different things, one is physical charge transfer, and the other is chemical energy conversion into electrical energy.
