Cited by 419Advancements in Battery MaterialsAdvanced Battery Technologies ResearchSupercapacitor Materials and Fabrication

The critical role of carbon in marrying silicon and graphite anodes for high-energy lithium-ion batteries

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Wu, Jingxing, Cao, Yinliang, Zhao, Haimin, Mao, Jianfeng, Guo, Zaiping·2019·Carbon Energy

Abstract

Abstract Increasing the energy density of conventional lithium‐ion batteries (LIBs) is important for satisfying the demands of electric vehicles and advanced electronics. Silicon is considered as one of the most‐promising anodes to replace the traditional graphite anode for the realization of high‐energy LIBs due to its extremely high theoretical capacity, although its severe volume changes during lithiation/delithiation have led to a big challenge for practical application. In contrast, the co‐utilization of Si and graphite has been well recognized as one of the preferred strategies for commercialization in the near future. In this review, we focus on different carbonaceous additives, such as carbon nanotubes, reduced graphene oxide, and pyrolyzed carbon derived from precursors such as pitch, sugars, heteroatom polymers, and so forth, which play an important role in constructing micrometer‐sized hierarchical structures of silicon/graphite/carbon (Si/G/C) composites and tailoring the morphology and surface with good structural stability, good adhesion, high electrical conductivity, high tap density, and good interface chemistry to achieve high capacity and long cycling stability simultaneously. We first discuss the importance and challenge of the co‐utilization of Si and graphite. Then, we carefully review and compare the improved effects of various types of carbonaceous materials and their associated structures on the electrochemical performance of Si/G/C composites. We also review the diverse synthesis techniques and treatment methods, which are also significant factors for optimizing Si/G/C composites. Finally, we provide a pertinent evaluation of these forms of carbon according to their suitability for commercialization. We also make far‐ranging suggestions with regard to the selection of proper carbonaceous materials and the design of Si/G/C composites for further development.

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  1. Gao B, Kleinhammes A, Tang XP, et al. Electrochemical intercalation of single-walled carbon nanotubeswith lithium. Chem Phys Lett. 1999;307(3-4):153-157.

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Authors
Wu, J., Cao, Y., Zhao, H., Mao, J., & Guo, Z.
Affiliations
  • Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials University of Wollongong Wollongong New South Wales Australia
  • Zhejiang Runtu (China) (CN)
  • University of Wollongong (AU)
Corresponding author
  • Mao, Jianfeng
  • Guo, Zaiping
Venue
Carbon Energy
Publisher
Wiley
Published
2019-09
Volume
1
Issue
1
Pages
57-76
ISSN
  • 2096-9570 (ISSN-L)
  • 2637-9368
OpenAlex
W2971907767
Cited by
419
References
95
Citations by year
2026: 35 · 2025: 79 · 2024: 53 · 2023: 57 · 2022: 64 · 2021: 64 · 2020: 63 · 2019: 4
FWCI
17.50
Type
journal article
Language
en
Open access
Locations
  • Carbon Energy (publishedVersion, cc-by)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Australian Research Council (FT150100109, LP160101629)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
  • Physical Sciences › Engineering › Automotive Engineering › Advanced Battery Technologies Research
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Supercapacitor Materials and Fabrication
Keywords
silicon-graphite anode, lithium-ion battery anodes, carbon nanotubes, reduced graphene oxide, pyrolytic carbon, hierarchical carbon structure, volume expansion, silicon anodes, energy density, cycling stability, electric vehicles

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