CN109360942A - A method of negative electrode of lithium ion battery is prepared based on recycling solar cell - Google Patents
A method of negative electrode of lithium ion battery is prepared based on recycling solar cell Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The present invention discloses a kind of method for preparing negative electrode of lithium ion battery based on recycling solar cell, comprising: which the waste and old solar cell aluminium frame of (1) mechanical removal and terminal box obtain silicon solar cell component, the EVA adhesive layer and backboard organic matter of component are removed by high-temperature heating again, surface layer tempered glass is removed, silicon wafer is obtained；(2) silicon wafer is soaked in tin, the lead that aluminum back electrode and silicon chip surface are removed in sulfuric acid；(3) silicon wafer that is obtained with clear water cleaning step (2) and by its Mechanical Crushing, is made the silicon powder that granularity is less than 2mm by ore grinding；(4) silicon powder is placed in ball milling in high energy ball mill, obtains nano-scale lithium ion battery silicium cathode.When needing to consume a large amount of acid & alkali liquids and following process utilization the invention avoids the recycling of traditional solar cell the shortcomings that highly energy-consuming, without handling solar cell silicon face silicon nitride, silver, copper, only by the method for high-energy ball milling and calcining by mentioned component directly using obtaining lithium ion battery silicon cathode material.
Description
Technical field
The present invention relates to solar cell recycling and field of lithium ion battery, and in particular to one kind is based on recycling solar cell system
The method of standby negative electrode of lithium ion battery.
Background technique
Chinese photovoltaic plant installation amount development is swift and violent since two thousand five, to the end of the year 2015, the accumulative dress of China's photovoltaic power generation
43,180,000 kilowatts of machine capacity, become the maximum country of global Photovoltaic generation installed capacity.But at the same time, with service life
It approaches, adding up discarding amount to silicon solar cell in 2034 will be up to 60~70GW, and wherein the discarding amount of silicon is up to 1.6 × 104t。
Containing a large amount of silicon, a small amount of valuable metal silver and aluminium etc. in waste and old solar cell, has very much recycling and reusing value.
Traditional solar cell recovery process mainly uses strong acid (nitric acid, chloroazotic acid, hydrofluoric acid) etc., repeatedly with acid, removes silicon
The silicon nitride on piece surface dissolves the valuable metals such as silver-colored tin to obtain the silicon wafer of high-purity, then too by the silicon wafer fusing preparation of recycling
Positive electricity pond silicon wafer.Journal article " research of crystal silicon solar battery environmental protection recovery and reusing and recycling " is reported to be removed using spent lye
Al-BSF layer aluminium, nitric acid liquid remove the work of silver, reduction silver, hydrofluoric acid silicon nitride.Number of patent application 201310572107.9,
Entitled " a kind of solar cell piece clean and reuse treatment process " successively uses alcohol, pure water, sulfuric acid, chloroazotic acid+hydrofluoric acid, salt
Acid, sodium hydroxide, aluminium powder such as are cleaned, dissolved and are restored at the techniques, obtain silicon, silver recovery product.This kind of technique consumption acid is serious,
The use of the high requirements on the equipment, hydrofluoric acid generates certain influence to environment, while the silicon wafer recycled prepares solar cell silicon wafer
Fusion process energy consumption is larger, so that cost recovery is higher.
Silicon has the theoretical specific capacity of up to 4200mAh/g as lithium ion battery negative material, and silicon is in the earth's crust
Content be only second to oxygen, be ideal electrode material.Waste and old solar cell recycling is prepared lithium ion battery silicium cathode will
Be conducive to resource circulation utilization, while reducing resource and energy consumption.
Summary of the invention
Present invention aim to address existing solar cell recycle resource (acid, alkali, reducing agent) and energy consumption compared with
Big disadvantage provides a kind of method of the low consumption recycling crystal silicon to prepare lithium ion battery silicon, silicon substrate composite negative pole.
To achieve the above object, a kind of side preparing negative electrode of lithium ion battery based on recycling solar cell provided by the invention
Method the following steps are included:
(1) the waste and old solar cell aluminium frame and terminal box that mechanical removal recycling obtains obtain silicon solar cell component, then lead to
EVA adhesive layer and backboard organic matter that high-temperature heating removes component are crossed, mechanical stripping surface layer tempered glass obtains silicon wafer；
(2) obtained silicon wafer is soaked in tin, the lead that aluminum back electrode and silicon chip surface are removed in sulfuric acid；
(3) silver, copper, the silicon wafer of silicon nitride and by its Mechanical Crushing are remained with what clear water cleaning step (2) obtained, passed through
The silicon powder that granularity is less than 2mm is made in ore grinding；
(4) obtained silicon powder is placed in ball milling in high energy ball mill, obtains nano-scale lithium ion battery silicium cathode.
It preferably, further include step (5) after the step (3): by obtained silicon powder and carbon-based material and/or metal base
Material is placed in ball milling in high energy ball mill, obtains nano-scale lithium ion battery silicon substrate cathode composite.
Preferably, EVA adhesive layer and back surface field organic matter are removed by evaporating in nitrogen or argon gas in the step (1),
Evaporating temperature is 300-600 DEG C.
Preferably, the sulfuric acid concentration in the step (2) is 0.5-4mol/L, soaking time 0.5-10h.
Preferably, high energy ball mill revolving speed is 100-1000r/min, Ball-milling Time 5-50h, ratio of grinding media to material 50:1-1:
5, when ball milling, is passed through argon gas/nitrogen ball milling or intermittent ball milling.
Preferably, intermittent ball milling is every abrasive material 1-2h, shuts down 10min.
Preferably, the carbon-based material is carbon simple substance class and/or carbonaceous organic material, and the carbon simple substance class includes graphite, carbon
At least one of powder, graphene, carbon nanotube, hard carbon, soft carbon, the carbonaceous organic material include high molecular polymer, short chain
At least one of organic matter, the ball milling material mass ratio of silicon powder and carbon-based material in step (5) are 100:1-100, step (5)
Obtained nano-scale lithium ion battery silicon substrate cathode composite is silico-carbo composite negative pole.
Preferably, further include that will be placed in argon gas to be sintered with the material after carbonaceous organic material ball milling in the step (5), burn
Junction temperature is 350-750 DEG C, sintering time 1-10h.
Preferably, the metal_based material includes at least one of metal simple-substance, metal sulfide, metal oxide,
The metal simple-substance includes at least one of Ni, Fe, Co, Al, Mn, Ag, Ca, Mg, Cu, Ge, Sn, Sb, the metal vulcanization
Object includes MoS2、FeS、CuS、Sb2S3At least one of, the metal oxide includes TiO2、SnO、SnO2、Co3O4、Sb2O4
At least one of, the ball milling material mass ratio of silicon powder and metal_based material in step (5) is 100:1-100, and step (5) obtains
Nano-scale lithium ion battery silicon substrate cathode composite be silicon-metal or silicon-metal oxide or silicon-metal sulfide Compound Negative
Pole.
Preferably, silicon powder and carbon-based material, metal_based material are placed in ball milling in high energy ball mill, wherein metal_based material
It is 100:1-1:100 with carbon-based material mass ratio, silicon and carbon-based material, silicon and metal_based material mass ratio are 100:1-100,
The nano-scale lithium ion battery silicon substrate cathode composite that step (5) obtains be silico-carbo-metal or silico-carbo-metal sulfide or
Silico-carbo-metal oxide composite negative pole.
Compared with the prior art, technical solution of the present invention bring has the beneficial effect that:
(1) avoid that the recycling of traditional solar cell needs to consume a large amount of acid & alkali liquids and highly energy-consuming lacks when following process utilizes
Point only directly obtains lithium ion battery silicon, silicon based anode material, method and apparatus letter by the method for high-energy ball milling and calcining
Single, raw material applicable source is wide, is suitable for industrialization promotion.
(2) this method is not necessarily to remove silicon nitride layer, and can be directly using silver, copper as silicon silver-bearing copper composite negative pole.Silicon nitride
It is the substance that a kind of hardness is big, chemical stability is strong, is beneficial to alleviation silicium cathode in the silicon nitride that silicon particle surface is formed and exists
Bulk effect in lithium ion battery charge and discharge process, and inhibit the formation of silicon face SEI film to reduce active loss.
(3) recycling and the negative electrode material obtained using method are graininess, and partial size 200-900nm, partial size is small, particle
Uniformly, circulation and high rate performance are good.
Detailed description of the invention
Fig. 1 is the scanning electron microscope (SEM) photograph of silico-carbo composite negative pole made from embodiment 1；
Fig. 2 is the high rate performance figure of silico-carbo composite negative pole made from embodiment 1.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.
Embodiment 1:
After the mechanical removal aluminium frame such as waste and old solar panel, Battery Plant's defect ware that recycling is obtained and terminal box, in nitrogen
Evaporation removes EVA adhesive layer and back surface field organic matter in gas, and evaporating temperature is 450 DEG C, removes surface layer tempered glass, obtains silicon wafer.
Silicon wafer is immersed in the sulfuric acid that concentration is 1mol/L, soaking time 6h removes aluminum back electrode and silicon chip surface
After tin, lead, with clear water cleaning silicon chip, and by silicon wafer Mechanical Crushing, silicon powder, silicon particle size 1.2-1.8mm are prepared by ore grinding.
Obtained silicon powder and graphite are placed in ball milling in ball mill, obtain silico-carbo composite negative pole.Wherein, when ball milling, silicon with
The mass ratio of graphite is 2:1, and high energy ball mill revolving speed is 300r/min, Ball-milling Time 30h, ratio of grinding media to material 25:1, when ball milling
It is passed through argon gas and carries out ball milling, oxidation reaction occurs to avoid heat production when ball milling.
The electrochemical property test of silico-carbo composite negative pole is used as using lithium piece to electrode and reference electrode, electrolyte 1M
LiPF6+ EC/DEC/DMC (1:1:1, v/v/v) is assembled into CR2032 button cell, charge and discharge using 2032 diaphragm of Celgard
Electrical property is determined by LAND test macro.
It can be found that the silico-carbo composite negative pole that high-energy ball milling is prepared is nano particle from the scanning electron microscope (SEM) photograph of Fig. 1, favorably
In bulk effect of the alleviation silicon in charge and discharge process.From Fig. 2 it can be found that in charge and discharge process 0.01V-1V and 0.5C times
First discharge specific capacity reaches 1225.6mAh/g under rate, and head fills specific capacity and reaches 761.5mAh/g, and first circle coulombic efficiency reaches
62.13%, specific discharge capacity is 334.4mAh/g, charge specific capacity 335mAh/g, coulombic efficiency after 5 circle circulations under 5C multiplying power
Reach 100.17%, charge specific capacity returns to 928.5mAh/g, capacity retention ratio with higher after multiplying power 0.5C.
The silicon-based nano negative electrode material partial size that above-mentioned performance is shown the recycling and obtained using method is small, and particle is uniform, times
Rate better performances, capacity retention ratio with higher.
Embodiment 2:
After the mechanical removal aluminium frame such as waste and old solar panel, Battery Plant's defect ware that recycling is obtained and terminal box, in nitrogen
Evaporation removes EVA adhesive layer and back surface field organic matter in gas, and evaporating temperature is 350 DEG C, removes surface layer tempered glass, obtains silicon wafer.
Silicon wafer is immersed in the sulfuric acid that concentration is 2mol/L, soaking time 2h removes aluminum back electrode and silicon chip surface
After tin, lead, with clear water cleaning silicon chip, and by silicon wafer Mechanical Crushing, silicon powder, silicon particle size 0.8-1.2mm are prepared by ore grinding.
Obtained silicon powder and carbonaceous organic material are placed in ball mill and carry out intermittent ball milling, wherein when ball milling, silicon with contain
The mass ratio of carbon organic matter is 1:1, and high energy ball mill revolving speed is 500r/min, Ball-milling Time 20h, ratio of grinding media to material 1:1, interval
Formula ball-milling technology is every abrasive material 1h, shuts down 10min, oxidation reaction occurs to avoid heat production when ball milling.
Material after ball milling is placed in argon gas and is sintered, sintering temperature is 500 DEG C, and sintering time 4h is obtained after sintering
Silico-carbo composite negative pole.
The electrochemical property test of silico-carbo composite negative pole is used as using lithium piece to electrode and reference electrode, electrolyte 1M
LiPF6+ EC/DEC/DMC (1:1:1, v/v/v) is assembled into CR2032 button cell, charge and discharge using 2032 diaphragm of Celgard
Electrical property is determined by LAND test macro.First discharge specific capacity reaches under 0.01V-1V and 0.5C multiplying power in charge and discharge process
1355.7mAh/g, head fill specific capacity and reach 987.4mAh/g, and first circle coulombic efficiency reaches 72.8%, and 5 circles follow under 10C multiplying power
Specific discharge capacity is 782mAh/g, charge specific capacity 760.3mAh/g after ring, and capacity retention ratio reaches 77%, fill after multiplying power 0.5C
Electric specific capacity returns to 936.5mAh/g, capacity retention ratio with higher.
Embodiment 3:
After the mechanical removal aluminium frame such as waste and old solar panel, Battery Plant's defect ware that recycling is obtained and terminal box, in nitrogen
Evaporation removes EVA adhesive layer and back surface field organic matter in gas, and evaporating temperature is 500 DEG C, removes surface layer tempered glass, obtains silicon wafer.
Silicon wafer is immersed in the sulfuric acid that concentration is 3mol/L, soaking time 1h removes aluminum back electrode and silicon chip surface
After tin, lead, with clear water cleaning silicon chip, and by silicon wafer Mechanical Crushing, silicon powder, silicon particle size 1mm are prepared by ore grinding.
Obtained silicon powder and iron powder are placed in ball milling in ball mill, obtain silicon-metal composite negative pole.Wherein, when ball milling, silicon
Mass ratio with metal is 10:3, and high energy ball mill revolving speed is 800r/min, Ball-milling Time 10h, ratio of grinding media to material 10:1, ball milling
When be passed through argon gas carry out ball milling, oxidation reaction occurs to avoid heat production when ball milling.
The electrochemical property test of silicon-metal composite negative pole is used as using lithium piece to electrode and reference electrode, and electrolyte is
1M LiPF6+ EC/DEC/DMC (1:1:1, v/v/v) is assembled into CR2032 button cell, is filled using 2032 diaphragm of Celgard
Discharge performance is determined by LAND test macro.The first discharge specific capacity under 0.01V-1V and 0.5C multiplying power in charge and discharge process
1587.6mAh/g, initial charge specific capacity 1273.4mAh/g, first circle coulombic efficiency 80.2% can stablize circulation under 1C multiplying power
300 circles, capacity are maintained at 1150mAh/g.
Embodiment 4:
After the mechanical removal aluminium frame such as waste and old solar panel, Battery Plant's defect ware that recycling is obtained and terminal box, in nitrogen
Evaporation removes EVA adhesive layer and back surface field organic matter in gas, and evaporating temperature is 550 DEG C, removes surface layer tempered glass, obtains silicon wafer.
Silicon wafer is immersed in the sulfuric acid that concentration is 4mol/L, soaking time 0.5h removes aluminum back electrode and silicon wafer table
After face tin, lead, with clear water cleaning silicon chip, and by silicon wafer Mechanical Crushing, silicon powder, silicon particle size 1.5mm are prepared by ore grinding.
Obtained silicon powder and graphene, nickel powder are placed in ball milling in ball mill, obtain silico-carbo-metal composite negative pole.Its
In, when ball milling, the mass ratio of nickel powder and graphene is 1:1, and the mass ratio of silicon powder and graphene is 2:1, the matter of silicon powder and nickel powder
For amount than being 2:1, high energy ball mill revolving speed is 650r/min, Ball-milling Time 25h, ratio of grinding media to material 2:1, when ball milling be passed through argon gas into
To avoid heat production when ball milling oxidation reaction occurs for row ball milling.
Silico-carbo-metal composite negative pole electrochemical property test is used as using lithium piece to electrode and reference electrode, electrolyte
For 1M LiPF6+ EC/DEC/DMC (1:1:1, v/v/v) is assembled into CR2032 button cell using 2032 diaphragm of Celgard,
Charge-discharge performance is determined by LAND test macro.In charge and discharge process size of current be 1A/g, voltage be 0.01-1V under for the first time
Specific discharge capacity 2599.3mAh/g, initial charge specific capacity 1989mAh/g, first circle coulombic efficiency 76.5%.After 500 circle of circulation
Charge specific capacity is 1621mAh/g, and charging capacity conservation rate is 81.5%, has good circulation and high rate performance.
Embodiment 5:
The silicon solar cells components such as obtained fragment, leftover pieces will be recycled and evaporate removing EVA adhesive layer and back in nitrogen
Field organic matter, evaporating temperature are 450 DEG C, remove surface layer tempered glass, obtain silicon wafer.
Silicon wafer is immersed in the sulfuric acid that concentration is 2.5mol/L, soaking time 5h removes aluminum back electrode and silicon wafer table
After face tin, lead, with clear water cleaning silicon chip, and by silicon wafer Mechanical Crushing, silicon powder, silicon particle size 0.6mm are prepared by ore grinding.
Obtained silicon powder and graphite are placed in ball milling in ball mill, obtain silico-carbo composite negative pole.Wherein, when ball milling, silicon with
The mass ratio of graphite is 5:4, and high energy ball mill revolving speed is 500r/min, Ball-milling Time 20h, ratio of grinding media to material 35:1, when ball milling
It is passed through argon gas and carries out ball milling, oxidation reaction occurs to avoid heat production when ball milling.
The electrochemical property test of silico-carbo composite negative pole is used as using lithium piece to electrode and reference electrode, electrolyte 1M
LiPF6+ EC/DEC/DMC (1:1:1, v/v/v) is assembled into CR2032 button cell, charge and discharge using 2032 diaphragm of Celgard
Electrical property is determined by LAND test macro.
First discharge specific capacity reaches 1228.6mAh/g under 0.01V-1V and 0.5C multiplying power in charge and discharge process, and head fills
Specific capacity reaches 763.8mAh/g, and first circle coulombic efficiency reaches 62.16%, and specific discharge capacity is after 5 circle circulations under 5C multiplying power
336mAh/g, charge specific capacity 338mAh/g, coulombic efficiency reach 100.05%, and charge specific capacity returns to after multiplying power 0.5C
931.8mAh/g capacity retention ratio with higher.
The silicon-based nano negative electrode material partial size that above-mentioned performance is shown the recycling and obtained using method is small, and particle is uniform, times
Rate better performances, capacity retention ratio with higher.
Embodiment 6:
The silicon solar cells components such as obtained fragment, leftover pieces will be recycled and evaporate removing EVA adhesive layer and back in nitrogen
Field organic matter, evaporating temperature are 450 DEG C, remove surface layer tempered glass, obtain silicon wafer.
Silicon wafer is immersed in the sulfuric acid that concentration is 3mol/L, soaking time 1h removes aluminum back electrode and silicon chip surface
After tin, lead, with clear water cleaning silicon chip, and by silicon wafer Mechanical Crushing, silicon powder, silicon particle size 1mm are prepared by ore grinding.
Obtained silicon powder and glass putty are placed in ball mill and carry out intermittent ball milling, wherein when ball milling, the matter of silicon and glass putty
Amount is than being 5:4, and high energy ball mill revolving speed is 800r/min, Ball-milling Time 10h, ratio of grinding media to material 1:3, and intermittent ball-milling technology is
Every abrasive material 1.5h shuts down 10min, oxidation reaction occurs to avoid heat production when ball milling.
Silicon-tin composite negative pole electrochemical property test is used as using lithium piece to electrode and reference electrode, electrolyte 1M
LiPF6+ EC/DEC/DMC (1:1:1, v/v/v) is assembled into CR2032 button cell, charge and discharge using 2032 diaphragm of Celgard
Electrical property is determined by LAND test macro.It is 1A/g, voltage 0.01-3V in size of current, first discharge specific capacity is
1542.7mAh/g, charge specific capacity 1213mAh/g, circulation 800 are remained to reach charge specific capacity 856.6mAh/g, be followed after enclosing
Ring function admirable.
Claims (10)
1. a kind of method for preparing negative electrode of lithium ion battery based on recycling solar cell, which comprises the following steps:
(1) the waste and old solar cell aluminium frame and terminal box that mechanical removal recycling obtains obtain silicon solar cell component, then pass through height
Temperature heating removes the EVA adhesive layer and backboard organic matter of component, and mechanical stripping surface layer tempered glass obtains silicon wafer；
(2) obtained silicon wafer is soaked in tin, the lead that aluminum back electrode and silicon chip surface are removed in sulfuric acid；
(3) silver, copper, the silicon wafer of silicon nitride and by its Mechanical Crushing are remained with what clear water cleaning step (2) obtained, passes through ore grinding
The silicon powder that granularity is less than 2mm is made；
(4) obtained silicon powder is placed in ball milling in high energy ball mill, obtains nano-scale lithium ion battery silicium cathode.
2. the method according to claim 1 for preparing negative electrode of lithium ion battery based on recycling solar cell, which is characterized in that
Further include step (5) after the step (3): obtained silicon powder and carbon-based material and/or metal_based material are placed in high-energy ball milling
Ball milling in machine obtains nano-scale lithium ion battery silicon substrate cathode composite.
3. the method according to claim 1 or 2 for preparing negative electrode of lithium ion battery based on recycling solar cell, feature exist
In by the way that evaporation removes EVA adhesive layer in nitrogen or argon gas and back surface field organic matter, evaporating temperature are in the step (1)
300-600℃。
4. the method according to claim 1 or 2 for preparing negative electrode of lithium ion battery based on recycling solar cell, feature exist
In the sulfuric acid concentration in the step (2) is 0.5-4mol/L, soaking time 0.5-10h.
5. the method according to claim 1 or 2 for preparing negative electrode of lithium ion battery based on recycling solar cell, feature exist
It is 100-1000r/min, Ball-milling Time 5-50h, ratio of grinding media to material 50:1-1:5 in, high energy ball mill revolving speed, when ball milling is passed through
Argon gas/nitrogen ball milling or intermittent ball milling.
6. the method according to claim 5 for preparing negative electrode of lithium ion battery based on recycling solar cell, which is characterized in that
Intermittent ball milling is every abrasive material 1-2h, shuts down 10min.
7. the method according to claim 2 for preparing negative electrode of lithium ion battery based on recycling solar cell, which is characterized in that
The carbon-based material is carbon simple substance class and/or carbonaceous organic material, and the carbon simple substance class includes graphite, carbon dust, graphene, carbon nanometer
At least one of pipe, hard carbon, soft carbon, the carbonaceous organic material include high molecular polymer, at least one in short chain organic matter
Kind, the ball milling material mass ratio of silicon powder and carbon-based material in step (5) is 100:1-100, the nanoscale lithium that step (5) obtains from
Sub- battery silicon substrate cathode composite is silico-carbo composite negative pole.
8. the method according to claim 7 for preparing negative electrode of lithium ion battery based on recycling solar cell, which is characterized in that
It further include that will be placed in argon gas to be sintered with the material after carbonaceous organic material ball milling in the step (5), sintering temperature 350-750
DEG C, sintering time 1-10h.
9. the method according to claim 2 for preparing negative electrode of lithium ion battery based on recycling solar cell, which is characterized in that
The metal_based material includes at least one of metal simple-substance, metal sulfide, metal oxide, and the metal simple-substance includes
At least one of Ni, Fe, Co, Al, Mn, Ag, Ca, Mg, Cu, Ge, Sn, Sb, the metal sulfide include MoS2、FeS、
CuS、Sb2S3At least one of, the metal oxide includes TiO2、SnO、SnO2、Co3O4、Sb2O4At least one of, step
Suddenly the ball milling material mass ratio of the silicon powder in (5) and metal_based material is 100:1-100, the nano-scale lithium ion that step (5) obtains
Battery silicon substrate cathode composite is silicon-metal or silicon-metal oxide or silicon-metal sulfide composite negative pole.
10. the method according to claim 2 for preparing negative electrode of lithium ion battery based on recycling solar cell, feature exist
In silicon powder and carbon-based material, metal_based material being placed in ball milling in high energy ball mill, wherein metal_based material and carbon-based material matter
Amount is than being 100:1-1:100, and silicon and carbon-based material, silicon and metal_based material mass ratio are 100:1-100, and step (5) obtains
Nano-scale lithium ion battery silicon substrate cathode composite be silico-carbo-metal or silico-carbo-metal sulfide or silico-carbo-metal oxygen
Compound composite negative pole.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526230A (en) * | 2019-08-29 | 2019-12-03 | 南京行创新材料有限公司 | Photovoltaic scrap silicon is preparing the application in array carbon nano tube |
| CN112259719A (en) * | 2020-10-22 | 2021-01-22 | 昆明理工大学 | Comprehensive recovery method of waste photovoltaic module and preparation method of silicon-carbon negative electrode material |
| CN112582620A (en) * | 2020-12-14 | 2021-03-30 | 陕西科技大学 | Carbon-coated silicon nanoparticle material and preparation method and application thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350372A (en) * | 2007-07-17 | 2009-01-21 | 台湾茂矽电子股份有限公司 | Optical energy power-supply apparatus and preparation method thereof |
| CN104051712A (en) * | 2013-03-14 | 2014-09-17 | 精工电子有限公司 | Electrochemical cell |
| WO2015015795A1 (en) * | 2013-07-30 | 2015-02-05 | 東京印刷機材トレーディング株式会社 | Siox powder manufacturing process and siox powder manufacturing apparatus |
| CN105336922A (en) * | 2014-08-08 | 2016-02-17 | 苏州格瑞动力电源科技有限公司 | Preparation method and application for lithium ion battery negative electrode material based on photovoltaic silicon waste material |
| CN105692630A (en) * | 2016-01-13 | 2016-06-22 | 中国科学院物理研究所 | Doped and mixed nanophase material and preparation method and application thereof |
| CN106654220A (en) * | 2017-01-11 | 2017-05-10 | 湘潭大学 | Preparation method of high-capacity carbon-silicon composite negative material |
| CN107732200A (en) * | 2017-10-12 | 2018-02-23 | 西安交通大学 | A kind of method that lithium ion battery negative material is prepared using photovoltaic industry waste material |
| CN108339831A (en) * | 2018-02-09 | 2018-07-31 | 中南大学 | The method of disposal of silicon solar cell |
| CN108649197A (en) * | 2018-02-07 | 2018-10-12 | 光宇材料股份有限公司 | Nitrogen-doped carbon-silicon composite material and manufacturing method thereof |
-
2018
- 2018-11-22 CN CN201811396699.2A patent/CN109360942B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350372A (en) * | 2007-07-17 | 2009-01-21 | 台湾茂矽电子股份有限公司 | Optical energy power-supply apparatus and preparation method thereof |
| CN104051712A (en) * | 2013-03-14 | 2014-09-17 | 精工电子有限公司 | Electrochemical cell |
| WO2015015795A1 (en) * | 2013-07-30 | 2015-02-05 | 東京印刷機材トレーディング株式会社 | Siox powder manufacturing process and siox powder manufacturing apparatus |
| CN105336922A (en) * | 2014-08-08 | 2016-02-17 | 苏州格瑞动力电源科技有限公司 | Preparation method and application for lithium ion battery negative electrode material based on photovoltaic silicon waste material |
| CN105692630A (en) * | 2016-01-13 | 2016-06-22 | 中国科学院物理研究所 | Doped and mixed nanophase material and preparation method and application thereof |
| CN106654220A (en) * | 2017-01-11 | 2017-05-10 | 湘潭大学 | Preparation method of high-capacity carbon-silicon composite negative material |
| CN107732200A (en) * | 2017-10-12 | 2018-02-23 | 西安交通大学 | A kind of method that lithium ion battery negative material is prepared using photovoltaic industry waste material |
| CN108649197A (en) * | 2018-02-07 | 2018-10-12 | 光宇材料股份有限公司 | Nitrogen-doped carbon-silicon composite material and manufacturing method thereof |
| CN108339831A (en) * | 2018-02-09 | 2018-07-31 | 中南大学 | The method of disposal of silicon solar cell |
Non-Patent Citations (3)
| Title |
|---|
| HUI-GEE TAN，ET AL.: "Processing silicon microparticles recycled from wafer waste via Rapid Thermal Process for lithium-ion battery anode materials", 《JOURNAL OF POWER SOURCES》 * |
| QI BAO，ET AL.: "Scalable Upcycling Silicon from Waste Slicing Sludge for High-performance Lithium-ion Battery Anodes", 《ELECTROCHIMICA ACTA》 * |
| YAN XU，ET AL.: "Global status of recycling waste solar panels: A review", 《WASTE MANAGEMENT》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526230A (en) * | 2019-08-29 | 2019-12-03 | 南京行创新材料有限公司 | Photovoltaic scrap silicon is preparing the application in array carbon nano tube |
| CN112259719A (en) * | 2020-10-22 | 2021-01-22 | 昆明理工大学 | Comprehensive recovery method of waste photovoltaic module and preparation method of silicon-carbon negative electrode material |
| CN112259719B (en) * | 2020-10-22 | 2022-09-16 | 昆明理工大学 | Comprehensive recovery method of waste photovoltaic module and preparation method of silicon-carbon negative electrode material |
| CN112582620A (en) * | 2020-12-14 | 2021-03-30 | 陕西科技大学 | Carbon-coated silicon nanoparticle material and preparation method and application thereof |
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