High-rate, high-capacity electrochemical energy storage in hydrogen-bonded fused aromatics

Chen, TianyangDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA (författare)

QC 20230713
Designing materials for electrochemical energy storage with short charging times and high charge capacities is a longstanding challenge. The fundamental difficulty lies in incorporating a high density of redox couples into a stable material that can efficiently conduct both ions and electrons. We report all-organic, fused aromatic materials that store up to 310 mAh g−1 and charge in as little as 33 s. This performance stems from abundant quinone/imine functionalities that decorate an extended aromatic backbone, act as redox-active sites, engage in hydrogen bonding, and enable a delocalized high-rate energy storage with stability upon cycling. The extended conjugation and hydrogen-bonding-assisted bulk charge storage contrast with the surface-confined or hydration-dependent behavior of traditional inorganic electrodes.

Banda, HarishDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA (författare)
Yang, LumingDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA (författare)
Li, JianStockholms universitet,KTH,Fiberteknologi,Berzelii Center EXSELENT on Porous Materials, Department of Materials and Environmental Chemistry, Stockholm University, 10691 Stockholm, Sweden,Institutionen för material- och miljökemi (MMK),KTH Royal Institute of Technology, Sweden(Swepub:su)jili3321 (författare)
Zhang, YugangCenter for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, USA (författare)
Parenti, RiccardoAutomobili Lamborghini S.p.A., 40019 Sant'Agata Bolognese, Italy (författare)
Dincă, MirceaDepartment of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA (författare)
Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USAFiberteknologi (creator_code:org_t)

Av författaren/redakt...: Chen, Tianyang; Banda, Harish; Yang, Luming; Li, Jian; Zhang, Yugang; Parenti, Riccard ...; visa fler...; Dincă, Mircea; visa färre...

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