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What's wrong with Batteries?


Batteries are the one of the most common power source for devices ranging from  basic handheld devices to large scale industrial applications.

What’s wrong with current batteries?

The current state of the battery has not improved since the 1800s. The battery technology that is being used (the fundamental principle) has not been changed since the 1800s and it was at that time when the batteries were being developed. The only improvement made in the last 200 years is the materials being used.

1881--> Lead-Acid
1970--> Lithium-ion

Although the material has been changed the structure and the way the battery works is identical to that of the 1800s. There have been many attempts to improve the battery but none could outperform lithium-ion battery in the overall calculation of weight, efficiency, power etc. It has a sweet spot and overall better than other kinds of batteries.

What's next for batteries?

There are a number of ongoing projects now. Among them the one which we will be most likely to see come in the hands of consumer products and is realistic is graphene. It is a single layer of graphite.

image.thumb.png.e5b5d76717e3df528b084b7cc110eb99.png

Why?

It is because it is 200 times stronger than steel and 100 times more conductive than copper while being 100 times lighter than aluminum Compared to lithium-ion it can allow 5 times faster charging. Your phone could go from 0 to 100 in less than 15 minutes.

What's stopping it?

There are no mass production techniques for high-quality batteries at this time. The production cost of graphene is very high and it is not consumer-friendly yet. In general, Graphene batteries  show a very high first cycle loss of 50%-60%, low cycling efficiency of  95%-98%, and poor capacity retention at high current densities. Meaning it can only be recharged up to a few times and they will have to be replaced frequently.

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