title: Rechargeable batteries with high energy storage activated by in-situ induced fluorination of carbon nanotube cathode.
abstract: High performance rechargeable batteries are urgently demanded for future energy storage systems. Here, we adopted a lithium-carbon battery configuration. Instead of using carbon materials as the surface provider for lithium-ion adsorption and desorption, we realized induced fluorination of carbon nanotube array (CNTA) paper cathodes, with the source of fluoride ions from electrolytes, by an in-situ electrochemical induction process. The induced fluorination of CNTA papers activated the reversible fluorination/defluorination reactions and lithium-ion storage/release at the CNTA paper cathodes, resulting in a dual-storage mechanism. The rechargeable battery with this dual-storage mechanism demonstrated a maximum discharging capacity of 2174 mAh (gcarbon)(-1) and a specific energy of 4113 Wh kg(carbon)(-1) with good cycling performance.
authors.affiliation: AdvEn Solutions Inc., 3231 Tredger Close, Edmonton, Alberta, Canada, T6R 3T6.
authors.forename: Xinwei
authors.initials: X
authors.lastname: Cui
authors.affiliation: National Institute for Nanotechnology, NINT, NRC, 11421 Saskatchewan Drive, Edmonton, Alberta, Canada, T6G 2M9.
authors.forename: Jian
authors.initials: J
authors.lastname: Chen
authors.affiliation: AdvEn Solutions Inc., 3231 Tredger Close, Edmonton, Alberta, Canada, T6R 3T6.
authors.forename: Tianfei
authors.initials: T
authors.lastname: Wang
authors.affiliation: 1] AdvEn Solutions Inc., 3231 Tredger Close, Edmonton, Alberta, Canada, T6R 3T6 [2] Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G6.
authors.forename: Weixing
authors.initials: W
authors.lastname: Chen