Orderly meso-perforated spherical and apple-shaped 3D carbon microstructures for high-energy supercapacitors and high-capacity Li-ion battery anodes

Dattakumar Mhamane, Myeong Seong Kim, Byung Hoon Park, Hun Seok Choi, Young Hwan Kim, Vanchiappan Aravindan, Ajitkumar Phadkule, Kwang Bum Kim

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The Stöber synthesis, which is composed of two steps of the formation of RF resin spheres in presence of an NH3 catalyst and the carbonization of RF resin spheres under an inert atmosphere, is a well-known approach to the preparation of carbon spheres (CSs). We herein modified the first step of the Stöber procedure to introduce morphological and physicochemical changes to CSs. Two different fully perforated 3D carbon-based micromaterials were prepared, namely spherical meso-perforated carbon (SSMPC) and apple-shaped meso-perforated carbon (ASMPC). In the preparation of these materials, we adopted colloidal silica-mediated spray drying method followed by carbonization and silica removal. High specific surface areas and pore volumes were achieved for both ASMPC (1141 m2 g-1 and 3.2 cm3 g-1) and SSMPC (1050 m2 g-1 and 2.1 cm3 g-1). We then evaluated the charge storage properties in organic media from supercapacitor (SC) as well as Li-ion battery (LIB) perspectives. An ASMPC-based symmetric SC was capable of delivering a specific capacitance and energy density of 260 F g-1 and 75.56 W h kg-1, respectively, in addition to an excellent cyclability of 30 000 cycles. In the LIB, ASMPC exhibited a maximum capacity of 1698 mA h g-1 after 175 cycles at 200 mA g-1. We systematically elaborated that inaccessible interior sites of the 3D CSs could become accessible through the introduction of meso-perforations on the periphery and in the interior. We expected that the 3D shape and meso-perforations were responsible for the exceptional performance of CSs in SCs and LIBs.

Original languageEnglish
Pages (from-to)6422-6434
Number of pages13
JournalJournal of Materials Chemistry A
Volume6
Issue number15
DOIs
Publication statusPublished - 2018 Jan 1

Fingerprint

Anodes
Carbon
Microstructure
Carbonization
Silicon Dioxide
Resins
Silica
Supercapacitor
Lithium-ion batteries
Spray drying
Specific surface area
Capacitance
Catalysts

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Mhamane, Dattakumar ; Kim, Myeong Seong ; Park, Byung Hoon ; Choi, Hun Seok ; Kim, Young Hwan ; Aravindan, Vanchiappan ; Phadkule, Ajitkumar ; Kim, Kwang Bum. / Orderly meso-perforated spherical and apple-shaped 3D carbon microstructures for high-energy supercapacitors and high-capacity Li-ion battery anodes. In: Journal of Materials Chemistry A. 2018 ; Vol. 6, No. 15. pp. 6422-6434.
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abstract = "The St{\"o}ber synthesis, which is composed of two steps of the formation of RF resin spheres in presence of an NH3 catalyst and the carbonization of RF resin spheres under an inert atmosphere, is a well-known approach to the preparation of carbon spheres (CSs). We herein modified the first step of the St{\"o}ber procedure to introduce morphological and physicochemical changes to CSs. Two different fully perforated 3D carbon-based micromaterials were prepared, namely spherical meso-perforated carbon (SSMPC) and apple-shaped meso-perforated carbon (ASMPC). In the preparation of these materials, we adopted colloidal silica-mediated spray drying method followed by carbonization and silica removal. High specific surface areas and pore volumes were achieved for both ASMPC (1141 m2 g-1 and 3.2 cm3 g-1) and SSMPC (1050 m2 g-1 and 2.1 cm3 g-1). We then evaluated the charge storage properties in organic media from supercapacitor (SC) as well as Li-ion battery (LIB) perspectives. An ASMPC-based symmetric SC was capable of delivering a specific capacitance and energy density of 260 F g-1 and 75.56 W h kg-1, respectively, in addition to an excellent cyclability of 30 000 cycles. In the LIB, ASMPC exhibited a maximum capacity of 1698 mA h g-1 after 175 cycles at 200 mA g-1. We systematically elaborated that inaccessible interior sites of the 3D CSs could become accessible through the introduction of meso-perforations on the periphery and in the interior. We expected that the 3D shape and meso-perforations were responsible for the exceptional performance of CSs in SCs and LIBs.",
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Orderly meso-perforated spherical and apple-shaped 3D carbon microstructures for high-energy supercapacitors and high-capacity Li-ion battery anodes. / Mhamane, Dattakumar; Kim, Myeong Seong; Park, Byung Hoon; Choi, Hun Seok; Kim, Young Hwan; Aravindan, Vanchiappan; Phadkule, Ajitkumar; Kim, Kwang Bum.

In: Journal of Materials Chemistry A, Vol. 6, No. 15, 01.01.2018, p. 6422-6434.

Research output: Contribution to journalArticle

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T1 - Orderly meso-perforated spherical and apple-shaped 3D carbon microstructures for high-energy supercapacitors and high-capacity Li-ion battery anodes

AU - Mhamane, Dattakumar

AU - Kim, Myeong Seong

AU - Park, Byung Hoon

AU - Choi, Hun Seok

AU - Kim, Young Hwan

AU - Aravindan, Vanchiappan

AU - Phadkule, Ajitkumar

AU - Kim, Kwang Bum

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N2 - The Stöber synthesis, which is composed of two steps of the formation of RF resin spheres in presence of an NH3 catalyst and the carbonization of RF resin spheres under an inert atmosphere, is a well-known approach to the preparation of carbon spheres (CSs). We herein modified the first step of the Stöber procedure to introduce morphological and physicochemical changes to CSs. Two different fully perforated 3D carbon-based micromaterials were prepared, namely spherical meso-perforated carbon (SSMPC) and apple-shaped meso-perforated carbon (ASMPC). In the preparation of these materials, we adopted colloidal silica-mediated spray drying method followed by carbonization and silica removal. High specific surface areas and pore volumes were achieved for both ASMPC (1141 m2 g-1 and 3.2 cm3 g-1) and SSMPC (1050 m2 g-1 and 2.1 cm3 g-1). We then evaluated the charge storage properties in organic media from supercapacitor (SC) as well as Li-ion battery (LIB) perspectives. An ASMPC-based symmetric SC was capable of delivering a specific capacitance and energy density of 260 F g-1 and 75.56 W h kg-1, respectively, in addition to an excellent cyclability of 30 000 cycles. In the LIB, ASMPC exhibited a maximum capacity of 1698 mA h g-1 after 175 cycles at 200 mA g-1. We systematically elaborated that inaccessible interior sites of the 3D CSs could become accessible through the introduction of meso-perforations on the periphery and in the interior. We expected that the 3D shape and meso-perforations were responsible for the exceptional performance of CSs in SCs and LIBs.

AB - The Stöber synthesis, which is composed of two steps of the formation of RF resin spheres in presence of an NH3 catalyst and the carbonization of RF resin spheres under an inert atmosphere, is a well-known approach to the preparation of carbon spheres (CSs). We herein modified the first step of the Stöber procedure to introduce morphological and physicochemical changes to CSs. Two different fully perforated 3D carbon-based micromaterials were prepared, namely spherical meso-perforated carbon (SSMPC) and apple-shaped meso-perforated carbon (ASMPC). In the preparation of these materials, we adopted colloidal silica-mediated spray drying method followed by carbonization and silica removal. High specific surface areas and pore volumes were achieved for both ASMPC (1141 m2 g-1 and 3.2 cm3 g-1) and SSMPC (1050 m2 g-1 and 2.1 cm3 g-1). We then evaluated the charge storage properties in organic media from supercapacitor (SC) as well as Li-ion battery (LIB) perspectives. An ASMPC-based symmetric SC was capable of delivering a specific capacitance and energy density of 260 F g-1 and 75.56 W h kg-1, respectively, in addition to an excellent cyclability of 30 000 cycles. In the LIB, ASMPC exhibited a maximum capacity of 1698 mA h g-1 after 175 cycles at 200 mA g-1. We systematically elaborated that inaccessible interior sites of the 3D CSs could become accessible through the introduction of meso-perforations on the periphery and in the interior. We expected that the 3D shape and meso-perforations were responsible for the exceptional performance of CSs in SCs and LIBs.

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