Structural control of highly oxidized carbon nanotube networks for high electrochemical performance

Kang, Seo Hui; Yang, Hye Jin; Cho, Joon Young; Kim, Jeong Hoon; Roh, Kwang Chul; Han, Joong Tark

doi:10.1016/j.jiec.2021.08.022

Cited by 12 publications

(1 citation statement)

References 18 publications

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“…To overcome these problems, silicon and carbon composites have been used to enhance the electrical conductivity and cycling stability of electrodes . The carbon sources in most Si/C composites include pitch, − phenolic resin, − toluene, lignin, , and cellulose. , These carbon precursors typically originate from nonrenewable petroleum resources, refined lignin, and cellulose materials. However, the utilization of byproducts generated from biorefinery processes has not been adequately studied.…”

Section: Introductionmentioning

confidence: 99%

Utilizing Hydrolysate Derived from Biorefinery as a Carbon Coating Source for Silicon–Carbon Anodes in Lithium-Ion Capacitors

Lim,

Song,

et al. 2023

ACS Appl. Energy Mater.

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With growing concerns regarding climate change and environmental pollution, there is increasing interest in affordable renewable resources to support sustainable development. Biomass is an abundant and inexpensive source of energy. One of the most efficient ways to utilize biomass is through biorefinery, which produces alternative energy sources and other high valueadded products. In this study, a silicon−carbon composite anode for lithium-ion capacitors (LICs) is synthesized using hydrolysates generated from the pretreatment process for biorefinery as a carbon coating source. The obtained silicon−carbon composite anode exhibits a high gravimetric capacity (3014 mAh g −1 at 0.1 A g −1 ) and high initial columbic efficiency (89.1%). Moreover, the silicon− carbon composite anode employed in the lithium-ion capacitor exhibits a high energy density (106 Wh kg −1 ), high power density (5985 W kg −1 ), and good cycling performance (98% at 5C after 3000 cycles). The inventive approach presented for utilizing byproducts from biorefinery processes contributes to the development of sustainable energy storage devices.

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