1. Silicon Anode Batteries
Batteries power the world, according to the experts. The Lithium-ion battery in vogue now comprises of cathodes, graphite anodes, and electrolyte. The graphite anodes help to absorb lithium, thereby aiding the battery to possess better energy storage and stops it from overheating. Yet, graphite has restrictions since it cannot absorb lithium properly. Silicon can actually absorb lithium far better and it can also save greater amounts of energy, has a more lengthy battery life and charges quicker. This is why it is best to choose it ahead of graphite.
2. Energy-Harvesting Nanogenerators

In the nearest future, phone users might begin to use their bodies as a power source for their phones. Scientists are doing some excellent findings and are presently working on a tech that will get energy from our bodies. Triboelectric nanogenerators (TENGs) retrieves biomechanical power when our bodies move.
The TENGs will be inside our clothes or shoes, and they get and store any energy created by you. This is a renewable and cheap source of power. You only have to keep moving, twisting, turning and stretching, and you will have enough power to keep your device running.

3. Converting Wi-Fi Signals To Electricity
As per a survey report in the U.S. Today, seventy-seven percent of Android phone users revealed that longer battery life excites them when purchasing a new device. These days, you do not have to bother yourself about your device going off when you least expect. Your device does not need to be plugged into a power source to charge the batter.
Researchers have come up with a way to harness AC power from Wi-Fi in the air and have it converted to DC power. This power can then be used to charge your mobile phone or power it directly. Using this tech, all the places with Wi-Fi connection will automatically be a charging spot.

4. Foam Battery
Prieto Battery, a new company has produced a 3D battery, the first of its kind. Made from copper foam, this battery possesses 98% air. It can be charged rapidly, save up power and be discharged.
The battery is as light as a sheet of paper, it has a reduced environmental impact, and the cash used to produce it is not costly at all.

5. Foldable Battery
New devices will soon start getting powered by a flexible battery. These batteries are paper-based and can possibly store about fourteen times the energy stored by a regular battery. It is folded about twenty-five times using the Miura technique aiding it to take up very small space without hindering its performance.
There you have – a comprehensive list of 5 mobile phone battery technologies to anticipate. If you have other contributions, feel free to drop them in the comment section below.