Pre-lithiation design and lithium ion intercalation plateaus utilization of mesocarbon microbeads anode for lithium-ion capacitors》.pdfVIP

Electrochimica Acta 182 (2015) 156–164 Contents lists available at ScienceDirect Electrochimica Acta journal homepa ge: www.elsev /locate/electacta Pre-lithiation design and lithium ion intercalation plateaus utilization of mesocarbon microbeads anode for lithium-ion capacitors a b a a a,* Jin Zhang , Hongzhao Wu , Jing Wang , Jingli Shi , Zhiqiang Shi a Laboratory of Fiber modifi cation and Functional Fiber, College of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, PR China b Tianjin Lishen Battery Joint-Stock Co., Ltd, Tianjin 300384, PR China A R T I C L E I N F O A B S T R A C T Article history: Lithium-ion capacitors (LICs) are assembled with activated carbon (AC) cathode and pre-lithiated Received 14 July 2015 mesocarbon microbeads (MCMB) anode. For ensuring the electrochemical performance of LIC, the pre- Received in revised form 10 September 2015 lithiation capacity of MCMB anode is designed to make the anode at the two lithium ion intercalation Accepted 14 September 2015 plateaus. The utilization of the two plateaus greatly affects the charge-discharge process and behavior at Available online 16 September 2015 different working potential ranges of LIC, which achieves the regulation of the electrochemical performance. LIC150 using the first plateau of MCM