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Improving the Charge-Discharge Capacity and Cycleability of Carbon Electrodes for Li-ion Batteries

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As one of the many approaches under investigation to increase the power density, specific capacity, and cyclic efficiency of rechargeable lithium-ion batteries, researchers are seeking to develop higher-capacity anode materials (such as silicon- or tin-based materials). SEM images of GMP40. Credit: ACS, Lin et al. Click to enlarge.

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Stanford team develops ultra-fast aluminum-ion battery with stability over thousands of cycles

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A team at Stanford University, led by professor Hongjie Dai, has developed a high-performance, safe, fast-charging aluminum-ion battery that can last for thousands of cycles. The Al-ion battery—comprising an aluminum anode, graphite cathode and ionic liquid electrolyte—produces about half the voltage of a Li-ion battery.

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