Electrochemical hydrogen-storage capacity of graphene can achieve a carbon-hydrogen atomic ratio of 1:1

More info
  • ReceivedAug 6, 2021
  • AcceptedSep 25, 2021
  • PublishedOct 14, 2021



The financial support from the National Natural Science Foundation of China (21827802, 22021001), and the 111 Project (B08027, B17027) are appreciated.

Interest statement

The authors declare no conflict of interest.

Supplementary data

Supporting information

The supporting information is available online at http://chem.scichina.com and http://link.springer.com/journal/11426. The supporting materials are published as submitted, without typesetting or editing. The responsibility for scientific accuracy and content remains entirely with the authors.


[1] Jena P. J Phys Chem Lett, 2011, 2206-211 CrossRef Google Scholar

[2] Bonaccorso F, Colombo L, Yu G, Stoller M, Tozzini V, Ferrari AC, Ruoff RS, Pellegrini V. Science, 2015, 3471246501 CrossRef ADS Google Scholar

[3] Subrahmanyam KS, Kumar P, Maitra U, Govindaraj A, Hembram KPSS, Waghmare UV, Rao CNR. Proc Natl Acad Sci USA, 2011, 1082674-2677 CrossRef ADS Google Scholar

[4] Pumera M. Energy Environ Sci, 2011, 4668-674 CrossRef Google Scholar

[5] Tozzini V, Pellegrini V. Phys Chem Chem Phys, 2013, 1580-89 CrossRef ADS arXiv Google Scholar

[6] Arellano JS, Molina LM, Rubio A, Alonso JA. J Chem Phys, 2000, 1128114-8119 CrossRef ADS arXiv Google Scholar

[7] Singh AK, Ribas MA, Yakobson BI. ACS Nano, 2009, 31657-1662 CrossRef Google Scholar

[8] Lin Y, Ding F, Yakobson BI. Phys Rev B, 2008, 78041402 CrossRef ADS Google Scholar

[9] Sofo JO, Chaudhari AS, Barber GD. Phys Rev B, 2007, 75153401 CrossRef ADS arXiv Google Scholar

[10] Ghosh A, Subrahmanyam KS, Krishna KS, Datta S, Govindaraj A, Pati SK, Rao CNR. J Phys Chem C, 2008, 11215704-15707 CrossRef Google Scholar

[11] Wang L, Yang RT. Energy Environ Sci, 2008, 1268-279 CrossRef Google Scholar

[12] Wu HY, Fan X, Kuo JL, Deng WQ. J Phys Chem C, 2011, 1159241-9249 CrossRef Google Scholar

[13] Psofogiannakis GM, Froudakis GE. J Phys Chem C, 2009, 11314908-14915 CrossRef Google Scholar

[14] Li Q, Lueking AD. J Phys Chem C, 2011, 1154273-4282 CrossRef Google Scholar

[15] Prins R. Chem Rev, 2012, 1122714-2738 CrossRef Google Scholar

[16] Conner Jr. WC, Falconer JL. Chem Rev, 1995, 95759-788 CrossRef Google Scholar

[17] Parambhath VB, Nagar R, Sethupathi K, Ramaprabhu S. J Phys Chem C, 2011, 11515679-15685 CrossRef Google Scholar

[18] Zhou C, Szpunar JA, Cui X. ACS Appl Mater Interfaces, 2016, 815232-15241 CrossRef Google Scholar

[19] Cho ES, Ruminski AM, Aloni S, Liu YS, Guo J, Urban JJ. Nat Commun, 2016, 710804 CrossRef ADS Google Scholar

[20] Kumar R, Oh JH, Kim HJ, Jung JH, Jung CH, Hong WG, Kim HJ, Park JY, Oh IK. ACS Nano, 2015, 97343-7351 CrossRef Google Scholar

[21] Zhou C, Szpunar JA. ACS Appl Mater Interfaces, 2016, 825933-25940 CrossRef Google Scholar

[22] Baburin IA, Klechikov A, Mercier G, Talyzin A, Seifert G. Int J Hydrogen Energy, 2015, 406594-6599 CrossRef Google Scholar

  • Figure 1

    (a) Cyclic voltammetric behaviors of the activation of SLG/Pt electrode in 0.5 M H2SO4 aqueous solution with a scan rate of 200 mV/s. The inset is the first-cycle voltammogram. (b) Cyclic voltammograms of the activated SLG/Pt electrode in 0.5 M H2SO4 aqueous solution with a series of scan rates: 2, 5, 10, 20, 50, 100, 200 mV/s. The inset shows the linear relationship between the Had-stripping peak current and the square root of the scan rate when the latter is faster than 20 mV/s (color online).

  • Figure 2

    Chronoamperometry of the activated SLG/Pt electrode in 0.5 M H2SO4 aqueous solution. The electrode potential was held at 0.75 V (vs. Pt) for 0, 0.1, 0.5, 1, 2, 5, 7, 10, 12, 15, 17, 20 and 30 s, and then stepped to 0.11 V. Inset: the integral charge vs. the square root of the pre-depositing time (color online).

  • Figure 3

    (a) XPS C 1s spectra of the SLG/Pt before (blue line) and after (red line) pre-depositing Had on SLG. (b, c) The deconvoluted XPS spectra obtained on the SLG/Pt electrode before and after pre-depositing Had on SLG, respectively (color online).


Contact and support