Facile synthesis of a high electrical and ion conductivity junction-less 3D carbon sponge electrode for self-standing lithium ion battery anode

Jyunichiro Abe, Yuta Kobayashi, Koki Kawase, Mizuki Tenjimbayashi, Seimei Shiratori

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Lithium ion batteries (LIB) are the most extensively researched and developed batteries. Currently, LIBs are used in various applications such as electric vehicles (EV), hybrid EVs (HEV), plug-in HEVs, and energy storage systems. However, their energy density is insufficient and further improvement is required. In this study, we propose the facile synthesis of a self-standing, junction-less 3D carbon sponge electrode (3DCS) for improving the energy density. A self-standing structure can improve the energy density by reducing non-active materials such as binders and current collectors, in electrodes. We use a kitchenware melamine sponge as the carbon precursor. The utilization of materials mass-produced by existing facilities is crucial for ensuring availability and low costs. Such characteristics are imperative for industrialization. These self-standing 3DCS electrodes, fabricated using available low-cost melamine sponges, demonstrate high charge-rate characteristics with a capacity retention of 81.8% at 4000 mA g-1 and cycle durability with 95.4% capacity retention after 500 cycles, without current collector, binder, and conductive additives. This high availability, low-cost material with excellent characteristics is beneficial for research institutions and companies that do not have facilities.

Original languageEnglish
Pages (from-to)6390-6396
Number of pages7
JournalRSC Advances
Volume8
Issue number12
DOIs
Publication statusPublished - 2018 Jan 1

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Anodes
Carbon
Ions
Electrodes
Melamine
Binders
Plug-in hybrid vehicles
Availability
Costs
Energy storage
Durability
Lithium-ion batteries
Industry
melamine

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Facile synthesis of a high electrical and ion conductivity junction-less 3D carbon sponge electrode for self-standing lithium ion battery anode. / Abe, Jyunichiro; Kobayashi, Yuta; Kawase, Koki; Tenjimbayashi, Mizuki; Shiratori, Seimei.

In: RSC Advances, Vol. 8, No. 12, 01.01.2018, p. 6390-6396.

Research output: Contribution to journalArticle

Abe, Jyunichiro ; Kobayashi, Yuta ; Kawase, Koki ; Tenjimbayashi, Mizuki ; Shiratori, Seimei. / Facile synthesis of a high electrical and ion conductivity junction-less 3D carbon sponge electrode for self-standing lithium ion battery anode. In: RSC Advances. 2018 ; Vol. 8, No. 12. pp. 6390-6396.
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