Researchers want to move towards designing longer-lasting lithium-ion batteries.
at the end of the 20th century played a role in the advent of lightweight, rechargeable electronics. Lithium is the lightest metal and has a high energy density-to-weight ratio. When a lithium-ion battery is charged, lithium ions move from a positively charged cathode to a negatively charged anode. To release energy, those ions flow back from the anode to the cathode.
Zhang pointed out that it’s also harder to quantitatively study thick electrodes. The tools that previously worked to study thin electrodes can’t capture the structures of larger, denser materials. This combination of nanoscale resolution experimental data and modelling allowed them to determine how the cathode degrades.
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