CN107834106A - A kind of preparation method of flexible water system sodium-ion battery - Google Patents
A kind of preparation method of flexible water system sodium-ion battery Download PDFInfo
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- CN107834106A CN107834106A CN201711113593.2A CN201711113593A CN107834106A CN 107834106 A CN107834106 A CN 107834106A CN 201711113593 A CN201711113593 A CN 201711113593A CN 107834106 A CN107834106 A CN 107834106A
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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- 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
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- 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
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Abstract
The invention discloses a kind of preparation method of flexible water system sodium-ion battery, comprise the following steps：Positive electrode active materials are prepared as raw material using sodium carbonate, manganese dioxide, titanium dioxide first, and positive electrode active materials and conductive agent, binding agent, solvent is mixed slurry is made, and by slurry coating and collection liquid surface, drying, roll-in, positive plate are made；Then negative active core-shell material is made by raw material of humid euphorbia leaf, and it is mixed with conductive agent, binding agent, solvent slurry is made, then by slurry coating and collection liquid surface, dry, roll-in, negative plate is made；Finally positive plate, negative plate and barrier film are laminated, battery core is wound into, obtained battery core is put into the housing of one end open, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.Water system sodium-ion battery good cycling stability produced by the present invention, capacity is big, has a safety feature.
Description
Technical field：
The present invention relates to sodium-ion battery field, is specifically related to a kind of preparation method of flexible water system sodium-ion battery.
Background technology：
Sodium-ion battery attracts attention simultaneously in the 1980s with lithium ion battery, as Sony companies were in 1991
Lithium ion battery is introduced in success to the market, and the research and development of sodium-ion battery become relatively slow.In recent years, with electric automobile, intelligence
Energy power network develops rapidly, and the mankind are to the day of the intermittent renewable energy (such as solar energy, wind energy, tide energy, geothermal energy)
Benefit favor, it is imperative to develop extensive energy storage device.In order to meet the needs of extensive energy storage, preferable secondary cell is except tool
Outside standby excellent chemical property, it is necessary to take into account the economic results in society index such as aboundresources, cheap, clean environment firendly.
The operation principle of sodium-ion battery is similar with lithium ion battery, passes through Na+It is threaded back through between positive and negative pole material
Shuttle realizes reversible discharge and recharge, and a kind of " rocking chair type " battery, and still, sodium ion compares lithium ion greatly and again, causes its migration
Dynamics is slow, constrains fast charging and discharging ability, in addition, storage sodium process easily causes the larger Volume Changes of electrode material,
Irreversible structural phase transition even is induced, influences the cyclical stability of battery.
The content of the invention：
It is an object of the invention to provide a kind of preparation method of flexible water system sodium-ion battery, preparation method operation letter
Single, obtained water system sodium-ion battery good cycling stability, security performance is high, and cost is high.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 1-4h at 800-900 DEG C in high temperature furnace, processing is cooled to after terminating
Room temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
As the preferred of above-mentioned technical proposal, in step (1), the sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide
For (0.35-0.37):0.66:0.34.
As the preferred of above-mentioned technical proposal, in step (1), the organic solvent is absolute ethyl alcohol.
As the preferred of above-mentioned technical proposal, in step (1), the detailed process of the sintering is：First with 3-5 DEG C/min
Heating rate be warming up to 700-800 DEG C, isothermal holding 3-6h, the heating rate for then proceeding to 6-8 DEG C/min is warming up to 900-
1000 DEG C, isothermal holding 8-16h.
As the preferred of above-mentioned technical proposal, in step (2), (4), the conductive agent is electrically conductive graphite, carbon black, acetylene black
In one kind.
As the preferred of above-mentioned technical proposal, in step (2), (4), the binding agent is polytetrafluoroethylene (PTFE).
As the preferred of above-mentioned technical proposal, in step (2), (4), the solvent is DMF.
As the preferred of above-mentioned technical proposal, in step (5), the sodium-salt aqueous solution is that molar concentration is 0.5-2mol/L
Metabisulfite solution.
As the preferred of above-mentioned technical proposal, in step (5), the concentration of the sodium hydroxide solution is 1mol/L.
The invention has the advantages that：
The electrode material low in raw material price of water system sodium-ion battery produced by the present invention, cost is low, and preparation method letter
It is single, it is easily operated, harmful substance, safety and environmental protection are not produced in preparation process；Positive electrode produced by the present invention, constituent structure are steady
It is fixed, stable in the air can exist, beneficial to the packaging for simplifying material, reduce storage, the cost of transport；Water produced by the present invention
It is sodium-ion battery good cycling stability, capacity is big, and security performance is high.
Embodiment：
In order to be better understood from the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be formed to the present invention.
Embodiment 1
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：First
700 DEG C are warming up to 3 DEG C/min heating rate, isothermal holding 3h, the heating rate for then proceeding to 6 DEG C/min is warming up to 900
DEG C, isothermal holding 8h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 1h at 800-900 DEG C in high temperature furnace, processing is cooled to room after terminating
Temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Embodiment 2
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：First
700 DEG C are warming up to 5 DEG C/min heating rate, isothermal holding 6h, the heating rate for then proceeding to 8 DEG C/min is warming up to 900
DEG C, isothermal holding 16h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 4h at 800-900 DEG C in high temperature furnace, processing is cooled to room after terminating
Temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Embodiment 3
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：First
750 DEG C are warming up to 4 DEG C/min heating rate, isothermal holding 4h, the heating rate for then proceeding to 7 DEG C/min is warming up to 900
DEG C, isothermal holding 10h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 1.5h at 800-900 DEG C in high temperature furnace, processing is cooled to after terminating
Room temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Embodiment 4
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：First
800 DEG C are warming up to 4 DEG C/min heating rate, isothermal holding 5h, the heating rate for then proceeding to 8 DEG C/min is warming up to 950
DEG C, isothermal holding 12h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 3h at 800-900 DEG C in high temperature furnace, processing is cooled to room after terminating
Temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Embodiment 5
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：First
800 DEG C are warming up to 4 DEG C/min heating rate, isothermal holding 5h, the heating rate for then proceeding to 7 DEG C/min is warming up to 950
DEG C, isothermal holding 15h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 2.5h at 800-900 DEG C in high temperature furnace, processing is cooled to after terminating
Room temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Embodiment 6
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：First
800 DEG C are warming up to 5 DEG C/min heating rate, isothermal holding 3h, the heating rate for then proceeding to 8 DEG C/min is warming up to 1000
DEG C, isothermal holding 8h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 1h at 800-900 DEG C in high temperature furnace, processing is cooled to room after terminating
Temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Comparative example 1
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：First
800 DEG C are warming up to 10 DEG C/min heating rate, isothermal holding 3h, the heating rate for then proceeding to 15 DEG C/min is warming up to
1000 DEG C, isothermal holding 8h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 1h at 800-900 DEG C in high temperature furnace, processing is cooled to room after terminating
Temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Comparative example 2
A kind of preparation method of flexible water system sodium-ion battery, comprises the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, is continued after then adding organic solvent
Organic solvent evaporating completely is ground to, obtains mixed-powder；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes
Bubble is placed in Muffle furnace and sintered, and cools to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；Wherein, it is described
Sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34；The detailed process of sintering is：With 10
DEG C/min heating rate is warming up to 1000 DEG C, isothermal holding 11h；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and will
Slurry coats and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled using soaked in absolute ethyl alcohol
30min, filter, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then powder will be pre-processed
End is placed in Muffle furnace pre- carbonization treatment at 200 DEG C, and processing is continued with the powder after processing using alkali lye after terminating
30min, dry, then continue dry powder to handle 1h at 800-900 DEG C in high temperature furnace, processing is cooled to room after terminating
Temperature, grinding, negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then
By slurry coating and collection liquid surface, dry, roll-in, negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into one end open
In housing, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
Charge-discharge performance test is carried out to water system sodium-ion battery obtained above, test voltage scope 0.5-1.5V, is surveyed
Test result is as shown in table 1：
Table 1
Water system sodium-ion battery good cycling stability produced by the present invention is can be seen that from above-mentioned test result, capacity is big.
Claims (9)
1. a kind of preparation method of flexible water system sodium-ion battery, it is characterised in that comprise the following steps：
(1) sodium carbonate, manganese dioxide and titanium dioxide are weighed, mixed grinding 5min, continues to grind after then adding organic solvent
To organic solvent evaporating completely, mixed-powder is obtained；Obtained mixed-powder is transferred in corundum crucible, jolt ramming removes bubble
It is placed in Muffle furnace and sinters, cool to room temperature after the completion of sintering with the furnace, grinds and positive electrode active materials are made；
(2) positive electrode active materials obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, and by slurry
Coating and collection liquid surface, drying, roll-in, positive plate is made；
(3) humid euphorbia leaf is dried into attrition grinding and powder is made, and obtained powder is handled into 30min using soaked in absolute ethyl alcohol,
Filtering, dry, then with sodium hydroxide solution immersion treatment 10min, pretreatment powder is made；Then pretreatment powder is placed in
Powder after processing is continued with 30min by pre- carbonization treatment at 200 DEG C in Muffle furnace, processing after terminating using alkali lye, is dried,
Then dry powder being continued to handle 1-4h at 800-900 DEG C in high temperature furnace, processing is cooled to room temperature after terminating, grinding,
Negative active core-shell material is made；
(4) negative active core-shell material obtained above and conductive agent, binding agent, solvent are mixed and slurry is made, then will slurry
Material coating and collection liquid surface, are dried, roll-in, and negative plate is made；
(5) positive plate, negative plate and barrier film are laminated, are wound into battery core, obtained battery core is put into the housing of one end open
In, water system sodium-ion battery is made as electrolyte in injection sodium-salt aqueous solution after sealing.
A kind of 2. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that：In step (1),
The sodium carbonate, manganese dioxide, the mol ratio of titanium dioxide are (0.35-0.37):0.66:0.34.
A kind of 3. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that：In step (1),
The organic solvent is absolute ethyl alcohol.
A kind of 4. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that in step (1),
The detailed process of the sintering is：700-800 DEG C, isothermal holding 3-6h is warming up to 3-5 DEG C/min heating rate first, so
The heating rate for continuing 6-8 DEG C/min afterwards is warming up to 900-1000 DEG C, isothermal holding 8-16h.
A kind of 5. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that：Step (2),
(4) in, the conductive agent is one kind in electrically conductive graphite, carbon black, acetylene black.
A kind of 6. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that：Step (2),
(4) in, the binding agent is polytetrafluoroethylene (PTFE).
A kind of 7. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that：Step (2),
(4) in, the solvent is DMF.
A kind of 8. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that：In step (5),
The sodium-salt aqueous solution is the metabisulfite solution that molar concentration is 0.5-2mol/L.
A kind of 9. preparation method of flexible water system sodium-ion battery as claimed in claim 1, it is characterised in that：In step (5),
The concentration of the sodium hydroxide solution is 1mol/L.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108793254A (en) * | 2018-06-05 | 2018-11-13 | 东北大学 | A kind of Na0.7ZnxMnyO2The preparation method of stratified material |
| CN113161511A (en) * | 2021-04-20 | 2021-07-23 | 太仓中科赛诺新能源科技有限公司 | Plastic electrode and preparation method thereof, and aqueous sodium ion battery and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152372A (en) * | 1995-03-06 | 1997-06-18 | 索尼公司 | Negative electrode material for secondary cell for nonaqueous electrolytic solution, process for the production thereof, and secondary cell for nonaqueous electrolytic solution using it |
| CN107055504A (en) * | 2017-03-13 | 2017-08-18 | 符策煌 | Porous carbon sill of sheet from blade and preparation method thereof |
-
2017
- 2017-11-13 CN CN201711113593.2A patent/CN107834106A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152372A (en) * | 1995-03-06 | 1997-06-18 | 索尼公司 | Negative electrode material for secondary cell for nonaqueous electrolytic solution, process for the production thereof, and secondary cell for nonaqueous electrolytic solution using it |
| CN107055504A (en) * | 2017-03-13 | 2017-08-18 | 符策煌 | Porous carbon sill of sheet from blade and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| YUESHENG WANG ET AL.: "A Novel high capacity positive electrode materials with tunnel-type structure for aqueous sodium-ion batteries", 《ADVANCED ENERGY MATERIALS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793254A (en) * | 2018-06-05 | 2018-11-13 | 东北大学 | A kind of Na0.7ZnxMnyO2The preparation method of stratified material |
| CN113161511A (en) * | 2021-04-20 | 2021-07-23 | 太仓中科赛诺新能源科技有限公司 | Plastic electrode and preparation method thereof, and aqueous sodium ion battery and preparation method thereof |
| CN113161511B (en) * | 2021-04-20 | 2022-04-29 | 太仓中科赛诺新能源科技有限公司 | Plastic electrode and preparation method thereof, and aqueous sodium ion battery and preparation method thereof |
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