CN1292577A - Conductive electrochemical active material and its production method - Google Patents
Conductive electrochemical active material and its production method Download PDFInfo
- Publication number
- CN1292577A CN1292577A CN991215958A CN99121595A CN1292577A CN 1292577 A CN1292577 A CN 1292577A CN 991215958 A CN991215958 A CN 991215958A CN 99121595 A CN99121595 A CN 99121595A CN 1292577 A CN1292577 A CN 1292577A
- Authority
- CN
- China
- Prior art keywords
- hydroxide
- active material
- electrochemical active
- conductive electrochemical
- metal
- 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.)
- Pending
Links
- 239000011149 active material Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 claims abstract description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 9
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 9
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 9
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical group [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 claims description 5
- 229910021511 zinc hydroxide Inorganic materials 0.000 claims description 5
- 229940007718 zinc hydroxide Drugs 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- QKDGGEBMABOMMW-UHFFFAOYSA-I [OH-].[OH-].[OH-].[OH-].[OH-].[V+5] Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[V+5] QKDGGEBMABOMMW-UHFFFAOYSA-I 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000004070 electrodeposition Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 238000001962 electrophoresis Methods 0.000 claims description 2
- 235000014413 iron hydroxide Nutrition 0.000 claims description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 229910018916 CoOOH Inorganic materials 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract 2
- 229910018095 Ni-MH Inorganic materials 0.000 description 2
- 229910018477 Ni—MH Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention discloses a conductive type electrochemical active material and its preparation method. It is characterized by adopting multilayer surface treatment method to form metal layer, microporous metal layer, hydroxide layer and alkali metal or alkaline-earth metal layer multilayer covering structure outside of nickel hydroxide, and the adoption of said multilayer surface treatment method can prevent the conductive CoOOH on the surface of nickel hydroxide from diffusing in its interior when it is multiply-charged and discharged, so that it can prevent the conductivity of its surface from reducing, improve corrosion-resisting property and implement high conductivity and high capacity requirements.
Description
The present invention relates to a kind of conductive electrochemical active material, its manufacture method and the application aspect green energy resource thereof, conductive electrochemical active material and manufacture method thereof especially for the Ni-MH battery pole piece belong to field of batteries.
In ambipolar Ni-MH battery, the conductance of nickel hydroxide positive plate and capacity are vital two performances, make positive plate with coating method, can improve the packing density of active material greatly, but the problem that has the conduction rate variance, therefore how improving the conductivity of ambipolar anode of nickel-metal hydride battery and the utilance of active material to greatest extent, is problem anxious to be solved in the prior art.
The objective of the invention is to be to provide a kind of conductivity type active material with superior electrical conductivity and active material utilization.
A further object of the present invention is to provide a kind of manufacture method with conductive electrochemical active material of superior electrical conductivity and active material utilization.
Another object of the present invention is to provide the application of above-mentioned material aspect green energy resource.
The technical solution used in the present invention is: for improving conductance, active material utilization and packing density, adopt the multiple-level surface processing method among the present invention, the method that adopts multiple-level surface to handle, can stop repeatedly impulse electricity circulation time, the conduction CoOOH of nickel hydroxide surface is in the diffusion of inside, so just avoid the reduction of surface conductance performance, improved corrosion resistance; The requirement of high conductivity and high power capacity is achieved.
It is the nickel hydroxide of 0.5-30 micron that the present invention adopts particle mean size, through metal level (1), micropore metal layer (2), hydroxide layer (3) and alkali metal or alkaline-earth metal layer (4) multilayer cladding structure, obtains conductive electrochemical active material, as shown in Figure 1.
Above-mentioned nickel hydroxide can be sphere, oblate spheroid, spheroid shape etc., or is fit to other shape of the present invention.
The metal of wherein above-mentioned metal layers is selected from zinc, iron, cobalt, nickel, manganese, vanadium is any or two or more mixture, and is fit to other metal of the present invention, preferable alloy zinc or manganese.
The micropore metal of above-mentioned micropore metal layer is selected from zinc, iron, cobalt, nickel, manganese, vanadium is any or two or more mixture, and is fit to other micropore metal of the present invention, preferred microporous nickel or cobalt.
Hydroxide in the above-mentioned hydroxide layer is selected from zinc hydroxide, iron hydroxide, cobalt hydroxide, nickel hydroxide, manganous hydroxide, vanadium hydroxide is any or two or more mixture, and suitable other hydroxide of the present invention, preferred zinc hydroxide or vanadium hydroxide.
Above-mentioned alkali metal or alkaline-earth metal layer are the composite beds of alkali metal or alkaline-earth metal, and wherein the content of alkali metal or alkaline-earth metal is 0.5-10%, and preferred sodium, potassium is any or its mixture.
The manufacture method of above-mentioned conductive electrochemical active material is: the method that adopts multiple-level surface to handle respectively can be a kind of or its combination of electro-deposition, electrophoresis, plating, spraying, blade coating, coating, also can adopt to be fit to other method of the present invention.
Conductive electrochemical active material of the present invention can be used to make the electrode slice of battery.
Adopting the conductive electrochemical active material of the inventive method preparation, its electric conductivity (specific conductivity) can reach＜and 2 * 10
-6* centimetre of ohm, active material utilization＞95%.
Describe the present invention in detail below in conjunction with embodiment.
Embodiment
Present embodiment is raw materials used to be 5 microns ball-shape nickel hydroxide for particle mean size, adopt electro-plating method to form the zinc layer at ball shape nickel hydroxide surface, Means of Electrodeposition forms the Microporous Nickel layer outside the zinc layer, Means of Electrodeposition forms zinc hydroxide again, at last, outside it, forming the sodium layer contain sodium 1% again, the conductive electrochemical active material of gained, its electric conductivity (specific conductivity) can reach＜and 2 * 10
-6* centimetre of ohm, active material utilization＞95%.
Claims (9)
1. conductive electrochemical active material is characterized in that the method that adopts multiple-level surface to handle forming metal level (1), micropore metal layer (2), hydroxide layer (3) and alkali metal or alkaline-earth metal layer (4) multilayer and clad structure outside nickel hydroxide.
2. conductive electrochemical active material according to claim 1 is characterized in that nickel hydroxide can be sphere, oblate spheroid, spheroid shape etc.,
3. conductive electrochemical active material according to claim 1 is characterized in that the metal of metal layers is selected from zinc, iron, cobalt, nickel, manganese, vanadium is any or two or more mixture, preferable alloy zinc or manganese.
4. conductive electrochemical active material according to claim 1 is characterized in that the micropore metal of micropore metal layer is selected from zinc, iron, cobalt, nickel, manganese, vanadium is any or two or more mixture, preferred microporous nickel or cobalt.
5. conductive electrochemical active material according to claim 1, it is characterized in that hydroxide in the hydroxide layer is selected from zinc hydroxide, iron hydroxide, cobalt hydroxide, nickel hydroxide, manganous hydroxide, vanadium hydroxide is any or two or more mixture, preferred zinc hydroxide or vanadium hydroxide.
6. conductive electrochemical active material according to claim 1, it is characterized in that: alkali metal or alkaline-earth metal layer are the composite beds of alkali metal or alkaline-earth metal, wherein the content of alkali metal or alkaline-earth metal is 0.5-10%, and preferred sodium, potassium is any or its mixture.
7. the manufacture method of conductive electrochemical active material is, it is characterized by the method that adopts multiple-level surface to handle respectively, can be a kind of or its combination of electro-deposition, electrophoresis, plating, spraying, blade coating, coating.
8. conductive electrochemical active material according to claim 1 is characterized in that: electric conductivity (specific conductivity) can reach＜and 2 * 10
-6* centimetre of ohm, active material utilization＞95%.
9. conductive electrochemical active material is characterized in that being used to make the pole piece of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN991215958A CN1292577A (en) | 1999-10-09 | 1999-10-09 | Conductive electrochemical active material and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN991215958A CN1292577A (en) | 1999-10-09 | 1999-10-09 | Conductive electrochemical active material and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1292577A true CN1292577A (en) | 2001-04-25 |
Family
ID=5282037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN991215958A Pending CN1292577A (en) | 1999-10-09 | 1999-10-09 | Conductive electrochemical active material and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1292577A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320681C (en) * | 2005-05-31 | 2007-06-06 | 深圳市豪鹏科技有限公司 | Long time stored nickel-hydrogen battery and mfg. method thereof |
| CN102806033A (en) * | 2011-06-03 | 2012-12-05 | 丰田自动车株式会社 | Treatment apparatus and treatment method |
-
1999
- 1999-10-09 CN CN991215958A patent/CN1292577A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320681C (en) * | 2005-05-31 | 2007-06-06 | 深圳市豪鹏科技有限公司 | Long time stored nickel-hydrogen battery and mfg. method thereof |
| CN102806033A (en) * | 2011-06-03 | 2012-12-05 | 丰田自动车株式会社 | Treatment apparatus and treatment method |
| CN102806033B (en) * | 2011-06-03 | 2014-08-27 | 丰田自动车株式会社 | Treatment apparatus and treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |