Nitrogen doping–enabled low-temperature capacitance retention in carbon materials

Anica B. Pinongcos; Xinzhe Xue; Megan C. Freyman; Seongkoo Cho; Swetha Chandrasekaran; Qiu Ren; Nathan Delaney; Emma Coester; Marissa Wood; Marcus A. Worsley; Yat Li

doi:10.1039/D5CC05695K

Nitrogen doping–enabled low-temperature capacitance retention in carbon materials

Anica B. Pinongcos,^a Xinzhe Xue,^a Megan C. Freyman,^b Seongkoo Cho,

^b Swetha Chandrasekaran,

^b Qiu Ren,^a Nathan Delaney,^a Emma Coester,^a Marissa Wood,

^b Marcus A. Worsley

*^b and Yat Li

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Biochemistry, University of California Santa Cruz, 1156 High Street, Santa Cruz, California, USA
E-mail: yatli@ucsc.edu

^b Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California, USA
E-mail: worsley1@llnl.gov

Abstract

Reliable energy storage at subzero temperatures is crucial for polar and space applications. Nitrogen-doped multiscale porous carbon aerogels deliver 96% capacitance retention at −40 °C and 1.43 Wh L⁻¹ energy density. Enhanced nitrogen content and enlarged ion-accessible surface synergistically enable exceptional low-temperature supercapacitor performance.

This article is part of the themed collection: Chemistry at the Forefront of the Sustainable Energy Transition

Chemical Communications

Nitrogen doping–enabled low-temperature capacitance retention in carbon materials

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