CN110120528A - A kind of metal fuel battery air electrode catalyst and air electrode and metal fuel battery - Google Patents
A kind of metal fuel battery air electrode catalyst and air electrode and metal fuel battery Download PDFInfo
- Publication number
- CN110120528A CN110120528A CN201910425985.5A CN201910425985A CN110120528A CN 110120528 A CN110120528 A CN 110120528A CN 201910425985 A CN201910425985 A CN 201910425985A CN 110120528 A CN110120528 A CN 110120528A
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- CN
- China
- Prior art keywords
- air electrode
- fuel battery
- metal fuel
- electrode catalyst
- battery air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01M4/90—Selection of catalytic material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inert Electrodes (AREA)
Abstract
The invention discloses a kind of metal fuel battery air electrode catalyst and air electrodes and metal fuel battery, the air electrode catalyst is using silicon powder as catalytic active component, compared with the catalyst such as existing noble metal, Mn oxide, silicon powder catalyst can combine high catalytic property, low cost and the characteristic of environmental protection, have significant production application value.
Description
Technical field
The present invention relates to metal fuel battery positive electrode technical fields, and in particular to a kind of metal fuel battery air
The air electrode and metal fuel battery of electrode catalyst and the application catalyst.
Background technique
Metal fuel battery is that oxidant chemically reacts using oxygen, chemical energy is converted using metal as fuel
For the novel environment-friendly battery of electric energy, realize that an important step of energy conversion is to utilize air electrode by the oxygen in air
Gas reduction, therefore, air electrode catalyst are always an important factor for restricting metal fuel battery development.
Current air electrode catalyst mainly includes the following categories: (1) noble metal catalyst, including silver, platinum and its conjunction
Gold etc., catalytic activity are high, and timeliness is long, the disadvantage is that it is expensive, resource is limited, thus be difficult to be widely applied；(2) spinel-type
Oxide or perofskite type oxide, this kind of catalyst catalytic activity with higher and stability, but the former stability meeting
Decay with the increase of use time and gradually, the latter's synthesis process is excessively complicated, is unfavorable for large-scale production application；
(3) metal manganese oxide, Mn oxide have preferable oxygen reduction catalytic activity, and price is relatively low, but not environmentally, hold
Easily cause heavy metal pollution.
Summary of the invention
For the above-mentioned deficiency for solving the prior art, on the one hand, provide that a kind of feature of environmental protection is good, low-cost air electrode is urged
Agent.Specific embodiment is as follows:
A kind of metal fuel battery air electrode catalyst, using silicon powder as catalytic active component.
Preferably, the air electrode catalyst includes following component by weight:
20~35 parts of silicon powder, 20~50 parts of adsorbent, 5~25 parts of conductive agent, 10~30 parts of bonding agent, appropriate solvent.
Preferably, the silicon powder partial size is 50nm~10 μm.
Preferably, the adsorbent is one or both of active carbon and activated alumina.
Preferably, the conductive agent is selected from least one of carbon black, graphene, metal powder and conducting polymer, wherein
Conducting polymer can be polythiophene, polyaniline etc..
Preferably, the bonding agent in polytetrafluoroethylene (PTFE), low pressure polyethylene, Kynoar, polyvinyl alcohol extremely
Few one kind.
Preferably, the solvent is ethyl alcohol.
On the other hand, a kind of air electrode using above-mentioned catalyst is also provided.
In another aspect, also providing a kind of metal fuel battery using above-mentioned air electrode.
One embodiment of the present invention the utility model has the advantages that
Silicon powder is a kind of nontoxic, tasteless, free of contamination inorganic non-metallic material, from a wealth of sources, low in cost, invention
People creatively has found that the material, which is applied to air electrode, can show preferable catalytic activity, with existing noble metal, manganese
The catalyst such as oxide are compared, and high catalytic property, low cost and the characteristic of environmental protection can be combined, and have significant production application valence
Value.
Detailed description of the invention
Fig. 1 is the constant-current discharge curve graph of embodiment and comparative example.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with specific embodiment pair
The present invention is clearly and completely described, it is clear that and described embodiments are some of the embodiments of the present invention, rather than all
Embodiment.
In following embodiment and comparative example, silicon powder sings Lin Er new material Co., Ltd purchased from Guangzhou；Polytetrafluoroethylene (PTFE) cream
Liquid is purchased from Guangzhou pine and cypress Chemical Co., Ltd., admittedly containing 60%, table 1 is matched based on solid part；Remaining component is conventional material.
Embodiment 1-3
It is as shown in table 1 to be formulated (except solvent).
Table 1 (unit: parts by weight)
Embodiment 4
Compared with Example 1, difference is, silicon powder partial size is 500nm.
Comparative example
It is as shown in table 1 to be formulated (except solvent).
The each component of each embodiment and comparative example is mixed by said ratio, makees solvent with ethanol in proper amount, is modulated into paste
Catalytic membrane is made in object, roll-in, which can also be applied directly to roll-forming on collector.By the catalytic membrane and waterproof
Ventilated membrane is respectively placed in plus plate current-collecting body two sides, roll-in, is made air electrode, then by the air electrode and diaphragm, aluminium sheet, cathode
Collector, electrolyte etc. are assembled into monocell, aluminium sheet area 10cm2, 4mm is divided between air electrode and aluminium sheet, air cell
Assembly method and components used and material are all made of conventional means.
Battery open circuit voltage corresponding to embodiment 1-4 and the catalyst of comparative example is as shown in table 2.Embodiment 1-3 and right
The air cell of ratio is in 150mA/cm2Constant-current discharge curve see Fig. 1, the constant-current discharge platform voltage of embodiment 4 is slightly above
Embodiment 1, is not shown.
Table 2
| Catalyst type | Open-circuit voltage/V |
| Embodiment 1 | 1.897 |
| Embodiment 2 | 1.905 |
| Embodiment 3 | 1.780 |
| Embodiment 4 | 1.901 |
| Comparative example | 1.840 |
It can be seen from the above result that silicon powder has preferable catalytic activity, compared with the manganese dioxide of equal volume, current potential
It is higher.By embodiment 4 it is found that the smaller silicon powder of partial size is more advantageous to the raising of open-circuit voltage compared with embodiment 1.
Above embodiments are explanation of the invention, and still, the invention is not limited to specific in above embodiment
Details, a variety of equivalent substitutes or simple variant side that those skilled in the art carries out within the scope of the technical concept of the present invention
Formula is within the scope of protection of the invention.
Claims (9)
1. a kind of metal fuel battery air electrode catalyst, which is characterized in that using silicon powder as catalytic active component.
2. metal fuel battery air electrode catalyst according to claim 1, which is characterized in that including below by weight
Measure the component of part meter:
20~35 parts of silicon powder, 20~50 parts of adsorbent, 5~25 parts of conductive agent, 10~30 parts of bonding agent, appropriate solvent.
3. metal fuel battery air electrode catalyst according to claim 2, which is characterized in that adsorbent is activity
One or both of charcoal and activated alumina.
4. metal fuel battery air electrode catalyst according to claim 2, which is characterized in that conductive agent is selected from charcoal
At least one of black, graphene, metal powder and conducting polymer.
5. metal fuel battery air electrode catalyst according to claim 2, which is characterized in that bonding agent is selected from poly-
At least one of tetrafluoroethene, low pressure polyethylene, Kynoar, polyvinyl alcohol.
6. metal fuel battery air electrode catalyst according to claim 2, which is characterized in that solvent is ethyl alcohol.
7. metal fuel battery air electrode catalyst according to claim 1 or 2, which is characterized in that silicon powder grain
Diameter is 50nm~10 μm.
8. a kind of air electrode, which is characterized in that using metal fuel battery air described in claim 1-7 any one
Electrode catalyst.
9. a kind of metal fuel battery, which is characterized in that apply air electrode according to any one of claims 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425985.5A CN110120528A (en) | 2019-05-21 | 2019-05-21 | A kind of metal fuel battery air electrode catalyst and air electrode and metal fuel battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425985.5A CN110120528A (en) | 2019-05-21 | 2019-05-21 | A kind of metal fuel battery air electrode catalyst and air electrode and metal fuel battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110120528A true CN110120528A (en) | 2019-08-13 |
Family
ID=67522991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910425985.5A Pending CN110120528A (en) | 2019-05-21 | 2019-05-21 | A kind of metal fuel battery air electrode catalyst and air electrode and metal fuel battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110120528A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463526A (en) * | 2021-06-11 | 2022-12-13 | 合肥美的电冰箱有限公司 | Air electrode and preparation method and application thereof |
| CN115472851A (en) * | 2021-06-11 | 2022-12-13 | 合肥华凌股份有限公司 | Air electrode and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63319053A (en) * | 1987-06-22 | 1988-12-27 | Tanaka Kikinzoku Kogyo Kk | Production of alloy catalyst |
| CN1277144A (en) * | 1999-06-11 | 2000-12-20 | 松下电器产业株式会社 | Hydrogen refinishing apparatus |
| CN1339178A (en) * | 1999-02-18 | 2002-03-06 | 国际燃料电池有限公司 | Compact and lightweight catalyst bed for fuel cell power plant and method of forming the same |
| CN1484545A (en) * | 2001-10-16 | 2004-03-24 | �ղ��Զ�����ʽ���� | Catalyst using metal carrier and manufacturing method thereof |
| CN1499661A (en) * | 2002-11-05 | 2004-05-26 | ���µ�����ҵ��ʽ���� | The fuel cell |
-
2019
- 2019-05-21 CN CN201910425985.5A patent/CN110120528A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63319053A (en) * | 1987-06-22 | 1988-12-27 | Tanaka Kikinzoku Kogyo Kk | Production of alloy catalyst |
| CN1339178A (en) * | 1999-02-18 | 2002-03-06 | 国际燃料电池有限公司 | Compact and lightweight catalyst bed for fuel cell power plant and method of forming the same |
| CN1277144A (en) * | 1999-06-11 | 2000-12-20 | 松下电器产业株式会社 | Hydrogen refinishing apparatus |
| CN1484545A (en) * | 2001-10-16 | 2004-03-24 | �ղ��Զ�����ʽ���� | Catalyst using metal carrier and manufacturing method thereof |
| CN1499661A (en) * | 2002-11-05 | 2004-05-26 | ���µ�����ҵ��ʽ���� | The fuel cell |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463526A (en) * | 2021-06-11 | 2022-12-13 | 合肥美的电冰箱有限公司 | Air electrode and preparation method and application thereof |
| CN115472851A (en) * | 2021-06-11 | 2022-12-13 | 合肥华凌股份有限公司 | Air electrode and preparation method and application thereof |
| WO2022257449A1 (en) * | 2021-06-11 | 2022-12-15 | 合肥美的电冰箱有限公司 | Air electrode, preparation method therefor and application thereof |
| CN115472851B (en) * | 2021-06-11 | 2023-12-01 | 合肥华凌股份有限公司 | Air electrode and preparation method and application thereof |
| EP4137223A4 (en) * | 2021-06-11 | 2023-12-20 | Hefei Midea Refrigerator Co., Ltd. | Air electrode, preparation method therefor and application thereof |
| JP7454072B2 (en) | 2021-06-11 | 2024-03-21 | 合肥美的電冰箱有限公司 | Air electrode and its manufacturing method and use |
| CN115463526B (en) * | 2021-06-11 | 2024-04-16 | 合肥美的电冰箱有限公司 | Air electrode and preparation method and application thereof |
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Application publication date: 20190813 |
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