Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 12, Pages 5777-5782Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am401309c
Keywords
zinc silicate; layered; reduced graphene oxide; 3-D conductive network; Li-ion battery
Funding
- National Basic Research Program of China [2009CB930400, 2012CB932900]
- National Natural Science Foundation of China [NSFC 21121063, 51225204]
- Chinese Academy of Sciences [KJCX2-YW-N41]
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A novel layered zinc silicate/carbon composite was fabricated through carbon embedment into the interlayers of zinc silicate through a hydrothermal method. The interlayer space could be effectively tuned from 1.22 to 3.37 nm by controlling the amount of carbon precursors. Such a layered zinc silicate/carbon structure promoted the lithium ions and electron transportation within the nanostructures, while the reduced graphene oxide (RGO) network improved the conductivity between nanostructures. Such a 3-D carbon based conductive network improved zinc silicates lithium storage property. After 50 cycles, two composite samples with different carbon loadings showed 778 mA h/g and 704 mA h/g, respectively.
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