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Difference between Bio battery and Conventional battery | Bio battery vs Conventional battery

This page compares Bio battery vs Conventional battery and mentions difference between Bio battery and Conventional battery.

Bio Battery

Bio battery construction

Following are the features of Bio-battery:
• Made of layers e.g. anode, cathode, electrolyte and separator.
• biological enzymes are used for anode and cathode as catalysts. Enzymes and electronic mediators are fixed on both cathode and anode terminals.
Refer Bio Battery tutorial>> which describes construction, working and applications of Bio-battery in depth. It also mentions Bio battery advantages, disadvantages and types.

Conventional Battery

conventional battery operation

The figure-2 depicts operation and contruction of conventional battery. As shown there are three parts in a battery viz. anode, cathode and electrolyte. Anode and cathode are connected to an electrical circuit or device.

Chemical reaction cause build-up of electrons in anode part which results in electrical difference between cathode and anode. Electrons try to re-arrange themselves to avoid this difference. In order to get rid of this difference, electrons repel one another and try to flow towards place having fewer electrons which is cathode. Electrolyte prevents them flow directly from anade to cathode in the battery. As a result, electrons flow from anode to cathode when the circuit is closed (i.e. wire is connected between cathode and anode).

When the electrons flow through the wire, it will light the bulb as shown. Due to electro-chemical process, chemicals will change in the anode and cathode. Due to this, they stop supply of electrons. As a result, limited amount of power will be left in battery. This requires us to recharge the battery. When we re-charge the battery, electro-chemical processes happen in reverse. This will restore the anode and cathode to their initial state and they will deliver the power once again.
Refer Battery>> and Primary Cell vs Secondary Cell>>.

Following table mentions difference between Bio-battery and conventional battery.


Specifications Bio-battery Conventional battery
Recharging Very quick due to use of glucose. Can not be charged quickly.
source of energy clean and non-toxic polluting and toxic
Explosions and leakage No and hence thay are safe to be used. Yes
Construction As mentioned in Bio Battery tutorial>>. As mentioned above.

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