CN107681230A - A kind of zinc-air battery and its application - Google Patents
A kind of zinc-air battery and its application Download PDFInfo
- Publication number
- CN107681230A CN107681230A CN201710713015.6A CN201710713015A CN107681230A CN 107681230 A CN107681230 A CN 107681230A CN 201710713015 A CN201710713015 A CN 201710713015A CN 107681230 A CN107681230 A CN 107681230A
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- China
- Prior art keywords
- zinc
- air battery
- biomass
- porous carbon
- carbon materials
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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
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
-
- 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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/96—Carbon-based electrodes
Abstract
The invention discloses a kind of zinc-air battery and its application, and the zinc-air battery is using biomass derived porous carbon materials as cathode material.And the preparation method of the biomass derived porous carbon materials includes：Powdered biomass and saleratus are mixed, it is placed in tube furnace with 400~800 DEG C of progress high-temperature calcinations, then product grind into powder after calcining, and washed using hydrochloric acid solution, filtered again, and dried after being washed with deionized to neutrality, so as to which biomass derived porous carbon materials be made.The zinc-air battery can be as capacitive deionization CDI driving power, for desalination in water body or removing heavy metal ion.Not only efficiency for charge-discharge is higher, stability is strong by the present invention, and production cost is low, preparation technology is simple, can be used as the driving power of CDI desalinations.
Description
Technical field
The present invention relates to zinc-air battery field, more particularly to a kind of zinc-air battery and its application.
Background technology
Zinc-air battery be using carbon material adsorb air in oxygen as negative electrode, using zinc as anode, with ammonium chloride or severe
A kind of galvanic cell of the property aqueous slkali as electrolyte.Zinc-air battery can provide more than 1.2V open-circuit voltage, and have body
The advantages that product is higher than energy, discharging voltage balance, long, environmentally safe storage life, but existing zinc-air battery discharge and recharge
Less efficient and production cost is of a relatively high.
The content of the invention
For above-mentioned weak point of the prior art, the invention provides a kind of zinc-air battery and its application, not only
Efficiency for charge-discharge is higher, stability is strong, and production cost is low, preparation technology is simple, can be used as CDI (Capacitive
Deionization, CDI) driving power.
The purpose of the present invention is achieved through the following technical solutions：
A kind of zinc-air battery, using cathode material of the biomass derived porous carbon materials as zinc-air battery.
Preferably, the preparation method of the biomass derived porous carbon materials includes：By powdered biomass and saleratus
Mix, be placed in tube furnace with 400~800 DEG C of progress high-temperature calcinations, product grind into powder after then calcining,
And washed using hydrochloric acid solution, then filtered, and dried after being washed with deionized to neutrality, so as to which biomass be made
Derivative porous carbon materials.
Preferably, the mass ratio of the powdered biomass and saleratus is 1~4:1.
Preferably, the high-temperature calcination is carried out in nitrogen atmosphere, and heating rate is 10 DEG C/min, and calcining heat reaches
3 hours are incubated after 800 DEG C.
Preferably, described biomass is at least one of beanpod, stalk, polysaccharide, grass or melon and fruit peel.
Driving power of the zinc-air battery as capacitive deionization CDI described in above-mentioned technical proposal, in water body
Desalination or removing heavy metal ion.
As seen from the above technical solution provided by the invention, zinc-air battery provided by the invention uses biomass
Derivative porous carbon materials are as cathode material, and the biomass derived porous carbon materials are with cheap and resourceful biology
Matter is raw material, due to not only containing abundant carbon in biomass, but also contains micro nitrogen, therefore institute of the present invention
There is the doping of nitrogen in obtained biomass derived porous carbon materials, this is not only advantageous to the raising of chemical property,
Be easy to be made, cost it is cheap.In addition, described its pattern of biomass derived porous carbon materials shows as three-level pore structure, have compared with
Big specific surface area, preferable chemical property and excellent desalting performance and ORR (Oxidation-Reduction
Reaction, redox reactions) performance, therefore zinc-air battery provided by the present invention is operated as CDI deionizations
Driving power, good removal effect can be obtained for desalination or removing heavy metal ion.Zinc provided by the invention-air electricity
Not only efficiency for charge-discharge is higher in pond, stability is strong, and production cost is low, preparation technology is simple, can be used as CDI
The driving power of (Capacitive Deionization, CDI).
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the ORR performance schematic diagrames that the present invention implements the biomass derived porous carbon materials obtained by step A1 in 1.
Fig. 2 is the chemical property schematic diagram that the present invention implements the zinc-air battery obtained by step B1 in 1.
Fig. 3 is the desalting performance schematic diagram that the present invention implements the zinc-air battery obtained by step B1 in 1.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to protection scope of the present invention.
Zinc-air battery provided by the present invention and its application are described in detail below.
A kind of zinc-air battery, using cathode material of the biomass derived porous carbon materials as zinc-air battery.
Wherein, the preparation method of the biomass derived porous carbon materials may comprise steps of：By powdered biomass
Mix, be placed in tube furnace with 400~800 DEG C of progress high-temperature calcinations, product after then calcining with saleratus
Grind into powder, and washed using hydrochloric acid solution, then filtered, and dried after being washed with deionized to neutrality, from
And biomass derived porous carbon materials are made.Specifically, can according to the mass ratio of powdered biomass and saleratus be 1~
4:1 ratio, powdered biomass and saleratus are mixed, and are placed in tube furnace carrying out high temperature in a nitrogen atmosphere
Calcining, heating rate are 10 DEG C/min, and when insulation 3 is small after calcining heat reaches 800 DEG C, product cools down after then calcining
To room temperature and grind into powder, then use hydrochloric acid solution (hydrochloric acid solution by mass fraction for 37% concentrated hydrochloric acid and deionization
Water mixes in equal volume) wash three times, filter, (preferably being dried at 60 DEG C) is dried after being washed with deionized to neutrality,
So as to which biomass derived porous carbon materials be made.In actual applications, described biomass can be beanpod, it is shrimp shell, trees, miscellaneous
At least one of grass, straw, polysaccharide or melon and fruit peel, and these biomass are preferably cleaned, height are recycled after drying
Fast pulverizer is ground into powdered biomass.
Specifically, zinc-air battery provided by the present invention can be as the driving power in CDI fields, for being taken off in water body
Salt or removing heavy metal ion.Capacitive deionization (Capacitive Deionization, CDI) technology is to utilize electrode material
Surface electric double layer carries out capacitive adsorption and removes charge species in water removal；Its general principle is the impressed DC voltage on electrode, is utilized
Electrostatic force is adsorbed onto charge species in water on positive and negative electrode, after adsorption saturation, by electric pole short circuit or adds backward voltage to make
Charge species is regenerated from positive and negative electrode desorption, electrode.With traditional seawater and bitter desalting technology (such as：Counter-infiltration, electricity
Dialysis etc.) to compare, CDI technologies have that energy consumption is low, cost is low, the significant advantage such as simple to operate.CDI deionization operating voltages are general
Control is between 1.0~1.6V, and zinc-air battery provided by the present invention can provide 1.2~1.8V open-circuit voltage, can be with
Desalting processing is carried out to the NaCl that concentration is 40~1000mg/L, therefore using zinc-air battery provided by the present invention as CDI
The driving power of deionization operation, good removal effect can be obtained for desalination in water body or removing heavy metal ion.
Further, zinc-air battery provided by the present invention at least has advantages below：
(1) zinc-air battery provided by the present invention using biomass derived porous carbon materials as cathode material, and institute
Biomass derived porous carbon materials are stated using cheap and resourceful biomass as raw material, it is abundant due to not only containing in biomass
Carbon, but also contain micro nitrogen, therefore have nitrogen in the biomass derived porous carbon materials obtained by the present invention
The doping of element, this is not only advantageous to the raising of chemical property, be easy to be made, cost it is cheap.
(2) zinc-air battery provided by the present invention using biomass derived porous carbon materials as cathode material, and institute
State biomass derived porous carbon materials its patterns and show as three-level pore structure, there is larger specific surface area, preferable electrochemistry
Performance and excellent desalting performance and ORR (Oxidation-Reduction Reaction, redox reactions) performance, because
This driving power for operating zinc-air battery provided by the present invention as CDI deionizations, for desalination or removing in water body
Heavy metal ion can obtain good removal effect.
As fully visible, not only efficiency for charge-discharge is higher, stability is strong for the embodiment of the present invention, and production cost is low, prepares
Technique is simple, can be used as the driving power of CDI desalinations.
In order to more clearly from show technical scheme provided by the present invention and caused technique effect, below with tool
The zinc-air battery and its application that body embodiment is provided the embodiment of the present invention are described in detail.
Embodiment 1
A kind of zinc-air battery, its preparation method may comprise steps of：
Step A1, beanpod cleaned, be ground into beanpod powder using high speed disintegrator after drying；Take 6g beanpod powder conducts
Powdered biomass is together added in mortar with 1.5g saleratus and ground, and is well mixed, is placed in tube furnace in nitrogen gas
High-temperature calcination is carried out under atmosphere, heating rate is 10 DEG C/min, when insulation 3 is small after calcining heat reaches 800 DEG C, then will be forged
Product is cooled to room temperature and grind into powder after burning, then use hydrochloric acid solution (hydrochloric acid solution by mass fraction for 37% it is dense
Hydrochloric acid mixes in equal volume with deionized water) wash three times, filter, be washed with deionized to neutrality, dried at 60 DEG C
It is dry, so as to which biomass derived porous carbon materials be made.
Step B1, biomass derived porous carbon materials are made as cathode material in step A1, are assembled into zinc-air electricity
Pond.
Specifically, following pattern and performance detection are carried out in the implementation process of the embodiment of the present invention 1：
(1) biomass derived in 1 obtained by step A1 is implemented to the present invention using CHI 660E types electrochemical workstations
Porous carbon materials carry out ORR performance tests, so as to obtain ORR performance schematic diagrames as shown in Figure 1；Wherein, (a) in Fig. 1 is
The present invention implements LSV (linear sweep voltammetry) curve maps (ORR of the biomass derived porous carbon materials obtained by step A1 in 1
Oxygen reduction reaction) (its abscissa represents voltage, and ordinate represents current density), (b) in Fig. 1 is walked in implementing 1 for the present invention
(its abscissa represents electrode rotary angle to the K-L curve maps of biomass derived porous carbon materials obtained by rapid A1, and ordinate represents
Current density), (c) in Fig. 1 is that (its abscissa represents voltage, and ordinate represents electricity for the electron transfer number figure that is calculated by b figures
Son transfer number), (d) in Fig. 1 be the present invention implement the biomass derived porous carbon materials obtained by step A1 in 1 LSV it is bent
Line chart (OER oxygen evolution reactions) (its abscissa represents voltage, and ordinate represents current density).As seen from Figure 1：It is of the invention real
Applying the biomass derived porous carbon materials in 1 obtained by step A1 has good ORR performances, and electron transfer number is 4.
(2) present invention is implemented to the driving electricity that the zinc-air battery in 1 obtained by step B1 operates as CDI deionizations
Source, and be connected with CDI desalters, electrochemical property test and desalting performance test are carried out, obtained from as shown in Figure 2
Chemical property schematic diagram and desalting performance schematic diagram as shown in Figure 3；Wherein, (a) in Fig. 2 is walked in implementing 1 for the present invention
(its abscissa represents current density, ordinate table to the charging and discharging curve figure of biomass derived porous carbon materials obtained by rapid A1
Show voltage), (b) in Fig. 2 is the open-circuit voltage that the present invention implements the biomass derived porous carbon materials obtained by step A1 in 1
Scheme (its abscissa represents the time, and ordinate represents voltage), (c) in Fig. 2 is obtained by step B1 in present invention implementation 1
The charge and discharge cycles stability diagram of zinc-air battery (its abscissa represents the time, and ordinate represents voltage)；Horizontal seat in Fig. 3
Mark and represent the time, the ordinate in Fig. 3 represents electrical conductivity.It can be seen that by Fig. 2 and Fig. 3：Step B1 is made during the present invention implements 1
Zinc-air battery its open-circuit voltage be 1.36V, the driving power operated as CDI deionizations can play desalination
Effect, and desalting effect is identical with dc source, and the stable charge/discharge for driving battery is fairly good.
Embodiment 2
A kind of zinc-air battery, its preparation method may comprise steps of：
Step A2, beanpod cleaned, be ground into beanpod powder using high speed disintegrator after drying；Take 6g beanpod powder conducts
Powdered biomass is together added in mortar with 2g saleratus and ground, and is well mixed, is placed in tube furnace in nitrogen atmosphere
Lower carry out high-temperature calcination, heating rate are 10 DEG C/min, then will calcining when insulation 3 is small after calcining heat reaches 800 DEG C
Product is cooled to room temperature and grind into powder afterwards, then use hydrochloric acid solution (hydrochloric acid solution by mass fraction for 37% dense salt
Acid mixes in equal volume with deionized water) wash three times, filter, be washed with deionized to neutrality, dried at 60 DEG C,
So as to which biomass derived porous carbon materials be made.
Step B2, biomass derived porous carbon materials are made as cathode material in step A2, are assembled into zinc-air electricity
Pond.
Embodiment 3
A kind of zinc-air battery, its preparation method may comprise steps of：
Step A3, beanpod cleaned, be ground into beanpod powder using high speed disintegrator after drying；Take 6g beanpod powder conducts
Powdered biomass is together added in mortar with 3g saleratus and ground, and is well mixed, is placed in tube furnace in nitrogen atmosphere
Lower carry out high-temperature calcination, heating rate are 10 DEG C/min, then will calcining when insulation 3 is small after calcining heat reaches 800 DEG C
Product is cooled to room temperature and grind into powder afterwards, then use hydrochloric acid solution (hydrochloric acid solution by mass fraction for 37% dense salt
Acid mixes in equal volume with deionized water) wash three times, filter, be washed with deionized to neutrality, dried at 60 DEG C,
So as to which biomass derived porous carbon materials be made.
Step B3, biomass derived porous carbon materials are made as cathode material in step A3, are assembled into zinc-air electricity
Pond.
Embodiment 4
A kind of zinc-air battery, its preparation method may comprise steps of：
Step A4, beanpod cleaned, be ground into beanpod powder using high speed disintegrator after drying；Take 6g beanpod powder conducts
Powdered biomass is together added in mortar with 6g saleratus and ground, and is well mixed, is placed in tube furnace in nitrogen atmosphere
Lower carry out high-temperature calcination, heating rate are 10 DEG C/min, then will calcining when insulation 3 is small after calcining heat reaches 800 DEG C
Product is cooled to room temperature and grind into powder afterwards, then use hydrochloric acid solution (hydrochloric acid solution by mass fraction for 37% dense salt
Acid mixes in equal volume with deionized water) wash three times, filter, be washed with deionized to neutrality, dried at 60 DEG C,
So as to which biomass derived porous carbon materials be made.
Step B4, biomass derived porous carbon materials are made as cathode material in step A4, are assembled into zinc-air electricity
Pond.
As fully visible, not only efficiency for charge-discharge is higher, stability is strong for the embodiment of the present invention, and production cost is low, prepares
Technique is simple, can be used as the driving power of CDI desalinations.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (6)
1. a kind of zinc-air battery, it is characterised in that using the moon of biomass derived porous carbon materials as zinc-air battery
Pole material.
2. zinc-air battery according to claim 1, it is characterised in that the system of the biomass derived porous carbon materials
Preparation Method includes：Powdered biomass and saleratus are mixed, are placed in tube furnace carrying out height with 400~800 DEG C
Temperature calcining, then will product grind into powder after calcining, and washed using hydrochloric acid solution, then filtered, and spend from
Dried after sub- water washing to neutrality, so as to which biomass derived porous carbon materials be made.
3. zinc-air battery according to claim 2, it is characterised in that the powdered biomass and the matter of saleratus
Amount is than being 1~4:1.
4. the zinc-air battery according to Claims 2 or 3, it is characterised in that the high-temperature calcination is entered in nitrogen atmosphere
OK, heating rate is 10 DEG C/min, and calcining heat is incubated 3 hours after reaching 800 DEG C.
5. the zinc-air battery according to Claims 2 or 3, it is characterised in that described biomass is beanpod, stalk, more
At least one of carbohydrate, grass or melon and fruit peel.
6. driving power of the zinc-air battery as capacitive deionization CDI any one of the claims 1 to 5, use
Desalination or removing heavy metal ion in water body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710713015.6A CN107681230A (en) | 2017-08-18 | 2017-08-18 | A kind of zinc-air battery and its application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710713015.6A CN107681230A (en) | 2017-08-18 | 2017-08-18 | A kind of zinc-air battery and its application |
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| CN107681230A true CN107681230A (en) | 2018-02-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301233A (en) * | 2018-10-12 | 2019-02-01 | 齐鲁工业大学 | A kind of the porous carbon anode and preparation method of water system Zinc ion battery |
| CN111613799A (en) * | 2020-06-04 | 2020-09-01 | 武汉理工大学 | Preparation method for preparing zinc-air battery anode based on waste biomass energy |
| CN111755704A (en) * | 2019-03-27 | 2020-10-09 | 中南大学 | Preparation method of novel porous carbon cathode lithium air battery |
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| CN105977499A (en) * | 2016-06-20 | 2016-09-28 | 昆明理工大学 | Preparation method of porous carbon electrode material |
| CN106450323A (en) * | 2016-11-29 | 2017-02-22 | 陕西科技大学 | Framework porous carbon electrode material and preparation method thereof |
| CN106744790A (en) * | 2016-11-29 | 2017-05-31 | 陕西科技大学 | A kind of biological carbon electrode material and preparation method thereof |
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2017
- 2017-08-18 CN CN201710713015.6A patent/CN107681230A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977499A (en) * | 2016-06-20 | 2016-09-28 | 昆明理工大学 | Preparation method of porous carbon electrode material |
| CN106450323A (en) * | 2016-11-29 | 2017-02-22 | 陕西科技大学 | Framework porous carbon electrode material and preparation method thereof |
| CN106744790A (en) * | 2016-11-29 | 2017-05-31 | 陕西科技大学 | A kind of biological carbon electrode material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301233A (en) * | 2018-10-12 | 2019-02-01 | 齐鲁工业大学 | A kind of the porous carbon anode and preparation method of water system Zinc ion battery |
| CN111755704A (en) * | 2019-03-27 | 2020-10-09 | 中南大学 | Preparation method of novel porous carbon cathode lithium air battery |
| CN111613799A (en) * | 2020-06-04 | 2020-09-01 | 武汉理工大学 | Preparation method for preparing zinc-air battery anode based on waste biomass energy |
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Application publication date: 20180209 |