Supporting Information
Design of polydopamine-encapsulation multiporous MnO
cross-linked with polyacrylic acid binder for superior lithium
ion battery anode
Jufeng Zhang, Ting Ren, G. P. Nayaka, Peng Dong, Jianguo Duan, Xue Li,
Ding Wang*, Yingjie Zhang*
National and Local Joint Engineering Laboratory for Lithium-ion Batteries and
Materials Preparation Technology, Key Laboratory of Advanced Battery
Materials of Yunnan Province, Faculty of Metallurgical and Energy
Engineering, Kunming University of Science and Technology, Kunming
650093, China
E-mail: [email protected] (D. Wang), [email protected] (Y.
Zhang)
Fig.S1 XRD pattern and SEM image of the MnO2 (EMD).
Fig. S2 Pore size distribution curve for the multiporous MnO.
Fig. S3 XRD patterns of MnO and PD-encapsulation MnO.
Fig. S4 XPS spectra of all regions for MnO-based electrode with and without
crosslink.
Fig. S5 CV curves of the cross-linked MnO-based electrode at a scan rate of
0.1 mV s-1.
Fig. S6 FTIR spectra of the crosslinked anode electrode after 500 cycles test.
Fig. S7 High-resolution spectrum of N 1s region of the cycled crosslinked
anode.
Table S1 Comparison of the cycling performances of reported MnO-based
anode materials with current work.
Materials Current density(mA g-1)
Cycles Reversible Capacity(mAh g-1)
Reference
MnO@BC 600 500 ~500 [1]MnO@NC 500 200 784 [2]MnO@C 100 100 812 [3]MnO@CNF 123 90 923 [4]MnO@C 100 100 421 [5]MnO@N-doped carbon 300 400 513 [6]MnO@N–C 500 500 667 [7]MnO@PCNTs 500 300 573 [8]MnO@C 98 120 861 [9]MnO@C composites 100 50 740 [10]MnO cubes 1000 500 420 [11]GNs@MnO 100 200 815 [12]MnO@Carbon 200 90 561 [13]MnO@C nanorods 200 200 509 [14]MnO@C nanowires 100 100 832 [15]MnO@C microtubes 200 60 610 [16]MnO@N-C 100 60 578 [17]MnO@RGOS 100 50 666 [18]MnO nanoflakes 246 100 646 [19]MnO@C nanoplates 200 30 563 [20]MnO@PD/PAA 300 500 682 This work
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