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Title: Machine-learning-assisted material discovery of oxygen-rich highly porous carbon active materials for aqueous supercapacitors

Abstract

AbstractPorous carbons are the active materials of choice for supercapacitor applications because of their power capability, long-term cycle stability, and wide operating temperatures. However, the development of carbon active materials with improved physicochemical and electrochemical properties is generally carried out via time-consuming and cost-ineffective experimental processes. In this regard, machine-learning technology provides a data-driven approach to examine previously reported research works to find the critical features for developing ideal carbon materials for supercapacitors. Here, we report the design of a machine-learning-derived activation strategy that uses sodium amide and cross-linked polymer precursors to synthesize highly porous carbons (i.e., with specific surface areas > 4000 m2/g). Tuning the pore size and oxygen content of the carbonaceous materials, we report a highly porous carbon-base electrode with 0.7 mg/cm2 of electrode mass loading that exhibits a high specific capacitance of 610 F/g in 1 M H2SO4. This result approaches the specific capacitance of a porous carbon electrode predicted by the machine learning approach. We also investigate the charge storage mechanism and electrolyte transport properties via step potential electrochemical spectroscopy and quasielastic neutron scattering measurements.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1];  [3];  [4]; ORCiD logo [1]; ORCiD logo [5]; ORCiD logo [2];  [5]; ORCiD logo [1]; ORCiD logo [4];  [3]; ORCiD logo [2]; ORCiD logo [6]; ORCiD logo [1]
  1. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States). Institute for Advanced Materials and Manufacturing
  2. Univ. of California, Riverside, CA (United States)
  3. Ames Laboratory (AMES), Ames, IA (United States)
  4. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
  5. Univ. of Tennessee, Knoxville, TN (United States). Institute for Advanced Materials and Manufacturing
  6. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1994652
Alternate Identifier(s):
OSTI ID: 1993985
Report Number(s):
IS-J-11,122
Journal ID: ISSN 2041-1723
Grant/Contract Number:  
AC05-00OR22725; AC02-07CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 14; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Wang, Tao, Pan, Runtong, Martins, Murillo L., Cui, Jinlei, Huang, Zhennan, Thapaliya, Bishnu Prasad, Do-Thanh, Chi-Linh, Zhou, Musen, Fan, Juntian, Yang, Zhenzhen, Chi, Miaofang, Kobayashi, Takeshi, Wu, Jianzhong, Mamontov, Eugene, and Dai, Sheng. Machine-learning-assisted material discovery of oxygen-rich highly porous carbon active materials for aqueous supercapacitors. United States: N. p., 2023. Web. doi:10.1038/s41467-023-40282-1.
Wang, Tao, Pan, Runtong, Martins, Murillo L., Cui, Jinlei, Huang, Zhennan, Thapaliya, Bishnu Prasad, Do-Thanh, Chi-Linh, Zhou, Musen, Fan, Juntian, Yang, Zhenzhen, Chi, Miaofang, Kobayashi, Takeshi, Wu, Jianzhong, Mamontov, Eugene, & Dai, Sheng. Machine-learning-assisted material discovery of oxygen-rich highly porous carbon active materials for aqueous supercapacitors. United States. https://doi.org/10.1038/s41467-023-40282-1
Wang, Tao, Pan, Runtong, Martins, Murillo L., Cui, Jinlei, Huang, Zhennan, Thapaliya, Bishnu Prasad, Do-Thanh, Chi-Linh, Zhou, Musen, Fan, Juntian, Yang, Zhenzhen, Chi, Miaofang, Kobayashi, Takeshi, Wu, Jianzhong, Mamontov, Eugene, and Dai, Sheng. Tue . "Machine-learning-assisted material discovery of oxygen-rich highly porous carbon active materials for aqueous supercapacitors". United States. https://doi.org/10.1038/s41467-023-40282-1. https://www.osti.gov/servlets/purl/1994652.
@article{osti_1994652,
title = {Machine-learning-assisted material discovery of oxygen-rich highly porous carbon active materials for aqueous supercapacitors},
author = {Wang, Tao and Pan, Runtong and Martins, Murillo L. and Cui, Jinlei and Huang, Zhennan and Thapaliya, Bishnu Prasad and Do-Thanh, Chi-Linh and Zhou, Musen and Fan, Juntian and Yang, Zhenzhen and Chi, Miaofang and Kobayashi, Takeshi and Wu, Jianzhong and Mamontov, Eugene and Dai, Sheng},
abstractNote = {AbstractPorous carbons are the active materials of choice for supercapacitor applications because of their power capability, long-term cycle stability, and wide operating temperatures. However, the development of carbon active materials with improved physicochemical and electrochemical properties is generally carried out via time-consuming and cost-ineffective experimental processes. In this regard, machine-learning technology provides a data-driven approach to examine previously reported research works to find the critical features for developing ideal carbon materials for supercapacitors. Here, we report the design of a machine-learning-derived activation strategy that uses sodium amide and cross-linked polymer precursors to synthesize highly porous carbons (i.e., with specific surface areas > 4000 m2/g). Tuning the pore size and oxygen content of the carbonaceous materials, we report a highly porous carbon-base electrode with 0.7 mg/cm2 of electrode mass loading that exhibits a high specific capacitance of 610 F/g in 1 M H2SO4. This result approaches the specific capacitance of a porous carbon electrode predicted by the machine learning approach. We also investigate the charge storage mechanism and electrolyte transport properties via step potential electrochemical spectroscopy and quasielastic neutron scattering measurements.},
doi = {10.1038/s41467-023-40282-1},
journal = {Nature Communications},
number = 1,
volume = 14,
place = {United States},
year = {Tue Aug 01 00:00:00 EDT 2023},
month = {Tue Aug 01 00:00:00 EDT 2023}
}

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