CN114988413B - 一种高纯多孔硅制备的方法 - Google Patents
一种高纯多孔硅制备的方法 Download PDFInfo
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- CN114988413B CN114988413B CN202210479333.1A CN202210479333A CN114988413B CN 114988413 B CN114988413 B CN 114988413B CN 202210479333 A CN202210479333 A CN 202210479333A CN 114988413 B CN114988413 B CN 114988413B
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- Prior art keywords
- porous silicon
- silicon
- silicon powder
- powder
- concentration
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- 229910021426 porous silicon Inorganic materials 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 34
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 28
- 239000010703 silicon Substances 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 16
- 238000003486 chemical etching Methods 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000002386 leaching Methods 0.000 claims abstract description 11
- 239000002082 metal nanoparticle Substances 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- 239000003599 detergent Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 27
- 150000003839 salts Chemical class 0.000 claims description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 15
- 101710134784 Agnoprotein Proteins 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 claims description 4
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 19
- 238000002360 preparation method Methods 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000002210 silicon-based material Substances 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/037—Purification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims (6)
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CN202210479333.1A CN114988413B (zh) | 2022-05-05 | 2022-05-05 | 一种高纯多孔硅制备的方法 |
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CN202210479333.1A CN114988413B (zh) | 2022-05-05 | 2022-05-05 | 一种高纯多孔硅制备的方法 |
Publications (2)
Publication Number | Publication Date |
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CN114988413A CN114988413A (zh) | 2022-09-02 |
CN114988413B true CN114988413B (zh) | 2024-03-15 |
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CN202210479333.1A Active CN114988413B (zh) | 2022-05-05 | 2022-05-05 | 一种高纯多孔硅制备的方法 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102336409A (zh) * | 2011-07-30 | 2012-02-01 | 常州天合光能有限公司 | 降低多晶硅金属杂质的方法 |
CN104466117A (zh) * | 2014-11-05 | 2015-03-25 | 昆明理工大学 | 一种三维多孔硅粉的制备方法 |
CN105047892A (zh) * | 2015-08-03 | 2015-11-11 | 中国科学院宁波材料技术与工程研究所 | 多孔硅材料、其制备方法与应用 |
CN106672975A (zh) * | 2016-12-20 | 2017-05-17 | 浙江大学 | 一种低成本纳米多孔硅粉的制备方法 |
CN108439412A (zh) * | 2018-05-29 | 2018-08-24 | 昆明理工大学 | 一种低硼型高纯工业硅的制备方法 |
CN108622903A (zh) * | 2018-05-29 | 2018-10-09 | 昆明理工大学 | 一种低硼、磷高纯工业硅的制备方法 |
CN109904407A (zh) * | 2019-01-02 | 2019-06-18 | 昆明理工大学 | 一种金刚线切割硅废料制备锂离子电池负极材料的方法 |
CN110350181A (zh) * | 2019-07-16 | 2019-10-18 | 昆明理工大学 | 一种锂离子电池纳米多孔硅负极材料的制备方法 |
-
2022
- 2022-05-05 CN CN202210479333.1A patent/CN114988413B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102336409A (zh) * | 2011-07-30 | 2012-02-01 | 常州天合光能有限公司 | 降低多晶硅金属杂质的方法 |
CN104466117A (zh) * | 2014-11-05 | 2015-03-25 | 昆明理工大学 | 一种三维多孔硅粉的制备方法 |
CN105047892A (zh) * | 2015-08-03 | 2015-11-11 | 中国科学院宁波材料技术与工程研究所 | 多孔硅材料、其制备方法与应用 |
CN106672975A (zh) * | 2016-12-20 | 2017-05-17 | 浙江大学 | 一种低成本纳米多孔硅粉的制备方法 |
CN108439412A (zh) * | 2018-05-29 | 2018-08-24 | 昆明理工大学 | 一种低硼型高纯工业硅的制备方法 |
CN108622903A (zh) * | 2018-05-29 | 2018-10-09 | 昆明理工大学 | 一种低硼、磷高纯工业硅的制备方法 |
CN109904407A (zh) * | 2019-01-02 | 2019-06-18 | 昆明理工大学 | 一种金刚线切割硅废料制备锂离子电池负极材料的方法 |
CN110350181A (zh) * | 2019-07-16 | 2019-10-18 | 昆明理工大学 | 一种锂离子电池纳米多孔硅负极材料的制备方法 |
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Inventor after: Xi Fengshuo Inventor after: Zhao Liping Inventor after: Ma Wenhui Inventor after: Li Shaoyuan Inventor after: Jin Xiaohan Inventor after: Li Zuyu Inventor after: Xiang Dongfei Inventor before: Zhao Liping Inventor before: Xi Fengshuo Inventor before: Li Shaoyuan Inventor before: Ma Wenhui Inventor before: Jin Xiaohan Inventor before: Li Zuyu Inventor before: Xiang Dongfei |
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