<trans-title xml:lang="en">Research Progress on the Application of Silicon Slurry in Lithium-ion Batteries</trans-title>

Pengdong LIU; Zhen WANG; Yongfeng LIU; Guangwu WEN

doi:10.15541/jim20240036

Journal of Inorganic Materials, Volume. 39, Issue 9, 992(2024)

Research Progress on the Application of Silicon Slurry in Lithium-ion Batteries

Pengdong LIU¹, Zhen WANG^2,3,4, Yongfeng LIU³, and Guangwu WEN^1,4、*

Author Affiliations

¹1. School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China

²2. Postdoctoral Research Workstation of Zhejiang Geely Holding Group Co., Ltd., Hangzhou 310000, China

³3. School of Materials Science and Engineering, Zhejiang University, Hangzhou 310000, China

⁴4. Shandong Si-Nano Materials Technology Co., Ltd., Zibo 255000, China

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Figures & Tables(8)

1. Problems of Si anode and the sources and characteristics of silicon sludge

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2. Schematic diagram of removing impurities in silicon sludge

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3. Principle and characterization of nano-sized silicon sludge by different methods

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4. Preparative schematic diagram and electrochemical performance of doping modified silicon sludge

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5. Principle and characterization of surface modification of silicon sludge

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6. Schematic diagram of preparation for silicon-based composites from silicon sludge

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Table 1. Electrochemical performance of purified silicon sludge
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Table 1. Electrochemical performance of purified silicon sludge
Current density/(A·g^-1) First discharge capacity/(mAh·g^-1) Cycle number Capacity retention/% Ref.
0.8 1022.9 15 9.77 [10]
0.05 3100 20 12.5 [43]
0.2 3031.6 100 1.17 [44]
0.1 1082 20 1.85 [45]
0.1 2674.5 100 0.2 [36]

Table 2. Electrochemical performance of silicon-based anode prepared by different modification methods

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Table 2. Electrochemical performance of silicon-based anode prepared by different modification methods

Modification method	Current density/(A·g^-1)	Cycle number	Discharge capacity/(mAh·g^-1)	Ref.
Nano silicon	0.1	100	1480	[59]
N-doped carbon/silicon	1	200	1139	[16]
S-doped carbon/silicon	0.5	700	686.6	[82]
Integrated electrode material	1	250	1447	[83]
Silicon/graphite/carbon composite	0.1	400	741	[45]
Porous carbon/silicon composite	0.2	200	1527	[84]
Silicon/graphene composite	0.2	300	1656	[85]
Si/C core-shell structure	0.42	200	1788.9	[86]
Si/CNTs/C core-shell structure	0.84	300	720	[87]
Si@void@C hollow structure	1	300	1164.4	[88]
Si@SiO_x/Ag composite material	0.5	200	1000	[89]
pSi/Ag/C/G composite material	1	200	972	[64]
Si/TiSi₂/G@C composite material	0.8	120	943.8	[90]

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Pengdong LIU, Zhen WANG, Yongfeng LIU, Guangwu WEN. Research Progress on the Application of Silicon Slurry in Lithium-ion Batteries[J]. Journal of Inorganic Materials, 2024, 39(9): 992

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