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We employed a polypyrrole hydrogel precursor to create a carbon framework that possesses both huge heteroatom content (13wt% nitrogen and 11wt% oxygen) and high surface area (945m2g−1) that is equally divided between micropores and mesopores. A sodium ion capacitor (NIC, HIC) electrode fabricated from this N and O Functionalized Carbon (NOFC) has tremendous reversible capacity and rate capability,...
We created a unique SnO2–Graphene Dual Aerogel (SnO2/GDA) nanocomposite with exquisite lithium and sodium ion battery anode performance (LIB, NIB NAB SIB). In parallel we employed electrochemical methods to be the first to analyze the transition from kinetic control to diffusion control for the conversion reaction (SnO2+4Li++4e−↔Sn+2Li2O) vs. for the alloying reaction (Sn+xLi++xe−↔LixSn, x≤4.4). The...
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