DOE OSTI · 3028567
Nitrogen doping–enabled low-temperature capacitance retention in carbon materials
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. In conclusion, enhanced nitrogen content and enlarged ion-accessible surface synergistically enable exceptional low-temperature supercapacitor performance.
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Pinongcos, Anica B. [University of California, Santa Cruz, CA (United States)], Xue, Xinzhe [University of California, Santa Cruz, CA (United States)], Freyman, Megan C. [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)], Cho, Seongkoo [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000207714255), Chandrasekaran, Swetha [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000166770663), Ren, Qiu [University of California, Santa Cruz, CA (United States)], Delaney, Nathan [University of California, Santa Cruz, CA (United States)], Coester, Emma [University of California, Santa Cruz, CA (United States)], Wood, Marissa [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000288057559), Worsley, Marcus A. [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000280127727), Li, Yat [University of California, Santa Cruz, CA (United States)] (ORCID:0000000280582084). 2025-12-26. Nitrogen doping–enabled low-temperature capacitance retention in carbon materials. https://doi.org/10.1039/d5cc05695k
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