High-rate in-plane micro-supercapacitors scribed onto photo paper using in situ femtolaser-reduced graphene oxide/Au nanoparticle microelectrodes

doi:10.1039/C5EE03637B

Title: High-rate in-plane micro-supercapacitors scribed onto photo paper using in situ femtolaser-reduced graphene oxide/Au nanoparticle microelectrodes

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Abstract

Direct laser-reduction of graphene oxide (GO), as a lithography-free approach, has been proven effective in manufacturing in-plane micro-supercapacitors (MSCs) with fast ion diffusion. However, the power density and the charge/discharge rate are still limited by the relatively low conductivity of electrodes. Here, we report a facile approach by exploiting femtolaser in situ reduction of the hydrated GO and chloroauric acid (HAuCl ₄) nanocomposite simultaneously, which incorporates both the patterning of rGO electrodes and the fabrication of Au current collectors in a single step. These flexible MSCs boast achievements of one-hundred fold increase in electrode conductivities of up to 1.1 × 10 ⁶ S m ^–1, which provide superior rate capability (50% for the charging rate increase from 0.1 V s ^–1 to 100 V s ^–1), sufficiently high frequency responses (362 Hz, 2.76 ms time constant), and large specific capacitances of 0.77 mF cm ^–2 (17.2 F cm ^–3 for volumetric capacitance) at 1 V s ^–1, and 0.46 mF cm ^–2 (10.2 F cm ^–3) at 100 V s ^–1. The use of photo paper substrates enables the flexibility of this fabrication protocol. Moreover, proof-of-concept 3D MSCs are demonstrated with enhanced areal capacitance (up to 3.84 mF cm ^–2more »« less

Authors:

Li, Ruozhou ^[1]; Peng, Rui ^[2]; Tumuluri, Uma ^[2]; Wu, Zili ^[2]; Hu, Anming ^[3]; Kihm, K. D. ^[4]; Bridges, D. ^[4]; Zhang, T. ^[5]; Compagnini, G. ^[6]; Feng, Z. ^[2]; Hu, A. ^[7]

Univ. of Tennessee, Knoxville, TN (United States); Southeast Univ., Key Lab. of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, Nanjing (China)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
University of Tennessee, Knoxville (UTK)
Univ. of Tennessee, Knoxville, TN (United States)
Southeast Univ., Key Lab. of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, Nanjing (China)
Univ. di Catania, Catania (Italy)
Univ. of Tennessee, Knoxville, TN (United States); Beijing Univ. of Technology, Beijing (China)

Publication Date:: 2016-02-11

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1286936

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Energy & Environmental Science

Additional Journal Information:: Journal Volume: 9; Journal Issue: 4; Journal ID: ISSN 1754-5692

Publisher:: Royal Society of Chemistry

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Li, Ruozhou, Peng, Rui, Tumuluri, Uma, Wu, Zili, Hu, Anming, Kihm, K. D., Bridges, D., Zhang, T., Compagnini, G., Feng, Z., and Hu, A. High-rate in-plane micro-supercapacitors scribed onto photo paper using in situ femtolaser-reduced graphene oxide/Au nanoparticle microelectrodes.  United States: N. p., 2016. 
        Web.  doi:10.1039/C5EE03637B.

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                    Li, Ruozhou, Peng, Rui, Tumuluri, Uma, Wu, Zili, Hu, Anming, Kihm, K. D., Bridges, D., Zhang, T., Compagnini, G., Feng, Z., & Hu, A. High-rate in-plane micro-supercapacitors scribed onto photo paper using in situ femtolaser-reduced graphene oxide/Au nanoparticle microelectrodes.  United States.  doi:10.1039/C5EE03637B.

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                    Li, Ruozhou, Peng, Rui, Tumuluri, Uma, Wu, Zili, Hu, Anming, Kihm, K. D., Bridges, D., Zhang, T., Compagnini, G., Feng, Z., and Hu, A. Thu .  
        "High-rate in-plane micro-supercapacitors scribed onto photo paper using in situ femtolaser-reduced graphene oxide/Au nanoparticle microelectrodes".  United States.  doi:10.1039/C5EE03637B.  https://www.osti.gov/servlets/purl/1286936.

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@article{osti_1286936,

  title        = {High-rate in-plane micro-supercapacitors scribed onto photo paper using in situ femtolaser-reduced graphene oxide/Au nanoparticle microelectrodes},

  author       = {Li, Ruozhou and Peng, Rui and Tumuluri, Uma and Wu, Zili and Hu, Anming and Kihm, K. D. and Bridges, D. and Zhang, T. and Compagnini, G. and Feng, Z. and Hu, A.},

  abstractNote = {Direct laser-reduction of graphene oxide (GO), as a lithography-free approach, has been proven effective in manufacturing in-plane micro-supercapacitors (MSCs) with fast ion diffusion. However, the power density and the charge/discharge rate are still limited by the relatively low conductivity of electrodes. Here, we report a facile approach by exploiting femtolaser in situ reduction of the hydrated GO and chloroauric acid (HAuCl4) nanocomposite simultaneously, which incorporates both the patterning of rGO electrodes and the fabrication of Au current collectors in a single step. These flexible MSCs boast achievements of one-hundred fold increase in electrode conductivities of up to 1.1 × 106 S m–1, which provide superior rate capability (50% for the charging rate increase from 0.1 V s–1 to 100 V s–1), sufficiently high frequency responses (362 Hz, 2.76 ms time constant), and large specific capacitances of 0.77 mF cm–2 (17.2 F cm–3 for volumetric capacitance) at 1 V s–1, and 0.46 mF cm–2 (10.2 F cm–3) at 100 V s–1. The use of photo paper substrates enables the flexibility of this fabrication protocol. Moreover, proof-of-concept 3D MSCs are demonstrated with enhanced areal capacitance (up to 3.84 mF cm–2 at 1 V s–1) while keeping high rate capabilities. As a result, this prototype of all solid-state MSCs demonstrates the broad range of potentials of thin-film based energy storage device applications for flexible, portable, and wearable electronic devices that require a fast charge/discharge rate and high power density.},

  doi          = {10.1039/C5EE03637B},

  journal      = {Energy & Environmental Science},

  number       = 4,

  volume       = 9,

  place        = {United States},

  year         = {2016},

  month        = {2}

}

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DOI: 10.1039/C5EE03637B

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