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Researchers 3D Print Aerogels Cathodes for Supercapacitors

Researchers 3D Print Aerogels Cathodes for Supercapacitors

Written by David

November 14, 2018

3D-printed lattice structures A researchers team made up of engineers from Lawrence Livermore National Laboratory (LLNL) and the University of California, Santa Cruz (UCSC) have 3D printed supercapacitor electrodes capable of record-overcoming conventional tradeoffs for supercapacitors. The team devised a machine that could 3D print porous graphene aerogel structures capable of supporting ultra-high levels of manganese oxide (MnO 2 ), a common pseudocapacitive material. (Pseudocapacitive materials store electric charge chemically and exhibit high theoretical energy capacities.) The result is a supercapacitor with the highest electric charge storage per unit of area recorded to date. It also shows significant energy density compared with other types of capacitors. The breakthrough could open avenues to using supercapacitors as ultrafast-charging power sources for devices such as cellphones, laptops, and other smaller electronics. Supercapacitors can be charged extremely quickly, requiring just a few minutes or seconds to reach full capacity, and they retain their […]

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