期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 114, 期 29, 页码 12800-12804出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp103704y
关键词
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资金
- U.S. Department of Energy (FreedomCar, Vehicle Technology Office)
- NSF through the Materials Research Science and Engineering Center at Northwestern University [DMR-0520513]
- ARO [W991NF-09-1-0541]
- Argonne, a U.S. Department of Energy Office of Science laboratory [DE-AC02-06CH11357]
- [CHE-0936924]
Non-annealed graphene paper, prepared via reduction of prefabricated graphene oxide paper with hydrazine hydrate, was employed as the sole component of a binder-free lithium-ion battery anode, circumventing the polymer binders and other additives required for the fabrication of conventional electrodes. The binder-free anode fabricated from this non-annealed paper possessed excellent cyclability, while exhibiting a voltage versus capacity profile similar to that of a polymer-bound graphene powder anode. Kinetic barriers may exist for Li ion diffusion through the layered paper structure as decreasing the current rate from 50 to 10 mA.g(-1) increased the reversible capacity by over 150%.
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