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We have developed a novel silicon/void/carbon anode for lithium ion batteries, with high specific capacity (2200 mAh/g in initial cycle) and superior cyclability (1200 mAh/g after 80 cycles). The high capacity is enabled by the sufficient silicon nanoparticles (SiNPs) at anode. And long cycle life is ensured by the nano void space between SiNPs and carbon scaffold, providing enough space for expansion...
We present the direct prototyping of three-dimensional (3D) micro supercapacitors using nanoporous carbon electrodes that are in-situ fabricated on chips. The approach successfully incorporates nano templating method into photolithography technology for the first time, so that functional electrodes are prepared from directly photopatterned precursor. Two preliminary prototypes with different electrode...
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