aqueous battery

YEAH You heard it right: Aqueous battery that charges up in less than 30 seconds

 

Those lithium-ion based chargers and power-banks have become a part of our daily routine. But there are other devices in the market that performs as a remedy of drawbacks of lithium-ion batteries such as lithium-air, sodium-ion, lithium-metal and aluminium-ion. But the issue with these technologies is that we have to plugin these devices for 2-3 hours or more than.

aqueous battery

To cure this problem, South Korea based researchers have developed an aqueous battery that charges up in less than 30 seconds.The new hybrid aqueous  battery powered by capacitor is not only safe ans stable but has a high energy and power density which allows it to be charged in as little as 20 seconds. The credit for this battery goes to Korean Advanced Institute of Science and Technology (KAIST).aqueous battery

The battery has a liquid electrolyte sandwiched between a specially designed anode and cathode. The anode is made up of polymer chain materials based on graphene giving it a high surface area and allowing it to store more energy. The cathode is made up of nickel oxide and nanoparticles  embedded in graphene. These materials enable the higher energy density and faster energy exchange as compared to other aqueous batteriesaqueous battery

With a power density 100 times higher than similar designs, it can be charged in 20 to 30 seconds using low-power systems like a conventional USB charger. the team tested it and hooked the hybrid aqueous battery to a flexible photovoltaic cell which was able to power an LED.

What they have to say

“This ec0-friendly technology can be easily manufactured and is highly applicable,” says Jeung Ku Kang, co-author of a study.”In particular its high capacity and high stability, compared to existing technologies, could contribute to the commercialization of aqueous capacitors. The device can be rapidly charged using a low-power charging system, and thus can be applied to portable electronic devices.”

This research was published in Advanced Energy Materials.

 

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