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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2021.08.037
|2 doi
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|a pubmed24n1101.xml
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|a (DE-627)NLM330519743
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|a (NLM)34509770
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|a (PII)S0956-053X(21)00480-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Chaofan
|e verfasserin
|4 aut
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|a Recovery of porous silicon from waste crystalline silicon solar panels for high-performance lithium-ion battery anodes
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 19.10.2021
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|a Date Revised 19.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Ltd. All rights reserved.
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|a A low-cost and easy-available silicon (Si) feedstock is of great significance for developing high-performance lithium-ion battery (LIB) anode materials. Herein, we employ waste crystalline Si solar panels as silicon raw materials, and transform micro-sized Si (m-Si) into porous Si (p-Si) by an alloying/dealloying approach in molten salt where Li+ was first reduced and simultaneously alloyed with m-Si to generate Li-Si alloy at the cathode. Subsequently, the as-prepared Li-Si alloy served as the anode in the same molten salt to release Li+ into the molten salt, resulting in the production of p-Si by taking advantage of the volume expansion/contraction effect. In the whole process, Li+ was shuttled between the electrodes in molten LiCl-KCl, without consuming Li salt. The obtained p-Si was applied as an anode in a half-type LIBs that delivered a capacity of 2427.7 mAh g-1 at 1 A g-1 after 200 cycles with a capacity retention rate of 91.5% (1383.3 mAh g-1 after 500 cycles). Overall, this work offers a straightforward way to convent waste Si panels to high-performance Si anodes for LIBs, giving retired Si a second life and alleviating greenhouse gas emissions caused by Si production
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|a Journal Article
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|a Alloying/dealloying
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|a Lithium-ion battery
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|a Molten salt
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|a Porous silicon
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|a Waste photovoltaic modules
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|a Lithium
|2 NLM
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|a 9FN79X2M3F
|2 NLM
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|a Silicon
|2 NLM
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|a Z4152N8IUI
|2 NLM
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| 700 |
1 |
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|a Ma, Qiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cai, Muya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Zhuqing
|e verfasserin
|4 aut
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| 700 |
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|a Xie, Hongwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ning, Zhiqiang
|e verfasserin
|4 aut
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|a Wang, Dihua
|e verfasserin
|4 aut
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|a Yin, Huayi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 135(2021) vom: 01. Nov., Seite 182-189
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:135
|g year:2021
|g day:01
|g month:11
|g pages:182-189
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|u http://dx.doi.org/10.1016/j.wasman.2021.08.037
|3 Volltext
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|d 135
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