The battery foil produced by the company is one of the base materials for lithium batteries of new energy vehicles, which can effectively adjust the performance of power lithium batteries. The company's battery foil customers cover large domestic lithium battery manufacturers such as catl, ATL, BYD and GuoXuan high tech.
The research team knew that aluminum would have energy, cost, and manufacturing benefits when used as a material in the battery's anode -- the negatively charged side of the battery that stores lithium to create energy -- but pure aluminum foils were failing rapidly when tested in batteries. The team decided to take a different approach.
Researchers are using aluminum foil to create batteries with higher energy density and greater stability. The team's new battery system could enable electric vehicles to run longer on a single charge and would be cheaper to manufacture -- all while having a positive impact on the environment.
The team observed that the aluminum anode could store more lithium than conventional anode materials, and therefore more energy. In the end, they had created high energy density batteries that could potentially outperform lithium-ion batteries.
The idea of making batteries with aluminum isn't new. Researchers investigated its potential in the 1970s, but it didn't work well. When used in a conventional lithium-ion battery, aluminum fractures and fails within a few charge-discharge cycles, due to expansion and contraction as lithium travels in and out of the material.
Nature Communications, 2023; 14 (1) DOI: 10.1038/s41467-023-39685-x Georgia Institute of Technology. "Aluminum materials show promising performance for safer, cheaper, more powerful batteries." ScienceDaily. ScienceDaily, 19 July 2023. < / releases / 2023 / 07 / 230719150013.htm>.
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