A team of U.S. researchers recently turned the five components of a lithium-ion battery into a liquid and then sprayed it with a gun on glass plates, stainless steel plates, glazed tiles and beer glasses. This method can turn anything into a battery, the researchers said.
Lithium-ion batteries work on the principle of charge exchange between positive and negative electrodes. Compared with other rechargeable batteries, lithium-ion batteries are lighter, more powerful and safer.
Researchers at Rice University in Houston, Texas, turned the five components of a typical lithium-ion battery into a liquid and then sprayed it with a gun onto glass, stainless steel plates, glazed tiles and even beer glasses. The five components are the two collectors, the positive electrode, the negative electrode and a polymer barrier between the two electrodes." Basically, this method allows us to turn any object or surface into a battery
In one experiment, the team sprayed a spray cell on nine tiles and then connected them together. One of the tiles was connected to a solar cell and illuminated by a white light tube in the lab that charged the battery. Once the battery was fully charged, the nine tiles were connected to a set of 40 light-emitting diodes (LEDs) that lit up continuously for more than six hours at 2.4 volts.
The team also conducted 60 charge/discharge tests on these batteries, proving that the batteries only "slightly decreased" in capacity after multiple charges and discharges.
The team described the jet cells as a "paradigm shift in battery design" that could also lead to new developments in the field of solar energy." Niram said, "We could install solar cells on the surface of this tile cell and then put the tiles on the architectural surface of the house." . In this way, the tiles can absorb solar energy, convert it into electricity and store it."
However, the jet battery has an Achilles' heel. Its liquid uses a toxic, flammable and corrosive electrolyte that must be sprayed in a dry, oxygen-free environment, greatly limiting its real-life application. The research team is actively working to solve this problem and make the spray battery a battery that everyone can use as soon as possible.
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