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Scientists Use ‘Smart Window’ to Observe Lithium-Ion Battery Operation
By using ultrathin sheets of smart-window material, nickel oxide, as the anode in a lithium-ion battery, researchers were able to see for the first time exactly what happens when the battery’s lithium ions make contact with the nickel-oxide layer and how the resulting reaction spreads out from several different points.
High-tech “smart windows,” which darken to filter out sunlight in response to electric current, function much like batteries. Now, X-ray studies at SLAC provide a crystal-clear view into how the color-changing material in these windows behaves in a working battery – information that could benefit next-generation rechargeable batteries.
