CN108075130A - A kind of great-capacity power battery and preparation method thereof - Google Patents

A kind of great-capacity power battery and preparation method thereof Download PDF

Info

Publication number
CN108075130A
CN108075130A CN201810012178.6A CN201810012178A CN108075130A CN 108075130 A CN108075130 A CN 108075130A CN 201810012178 A CN201810012178 A CN 201810012178A CN 108075130 A CN108075130 A CN 108075130A
Authority
CN
China
Prior art keywords
membrane
positive
great
power battery
capacity power
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
Application number
CN201810012178.6A
Other languages
Chinese (zh)
Inventor
陈文明
陈端典
张桂生
王援淮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QUANZHOU JINTION ELECTRONICS CO Ltd
Original Assignee
QUANZHOU JINTION ELECTRONICS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by QUANZHOU JINTION ELECTRONICS CO Ltd filed Critical QUANZHOU JINTION ELECTRONICS CO Ltd
Priority to CN201810012178.6A priority Critical patent/CN108075130A/en
Publication of CN108075130A publication Critical patent/CN108075130A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/42Alloys based on zinc
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/24Alkaline accumulators
    • H01M10/28Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/24Alkaline accumulators
    • H01M10/30Nickel accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/366Composites as layered products
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624Electric conductive fillers
    • H01M4/626Metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/183Sealing members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403Manufacturing processes of separators, membranes or diaphragms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention provides a kind of great-capacity power battery and preparation method thereof, the great-capacity power battery includes the outer housing of sealed bottom upper opening, outer housing internal positive piece, the first membrane, negative plate and the second membrane are sequentially overlapped and are wound into cylinder from inside to outside, positive plate is ball-shape nickel hydroxide, and wrap positive-active film on its surface, negative plate is nickel plating copper mesh, and wraps negative electrode active film on its surface.The present invention uses ball-shape nickel hydroxide as a positive electrode active material, and in its outer substance for wrapping one layer of positive-active film as improvement anode;Negative electrode active film is formed using ZrNi2 and Me0.4Si0.2Ce0.05MnV0.45 as negative electrode active material and to wrap online in nickel-clad copper, to have the function that increase Ni-MH battery capacity, the great-capacity power battery assembled is together in series normal use, discharge capacity is up to more than 1000mAH/g.

Description

A kind of great-capacity power battery and preparation method thereof
Technical field
The present invention relates to a kind of Ni-MH batteries, specifically, are related to a kind of great-capacity power battery and preparation method thereof.
Background technology
With the high speed development of electronic product, portable electronic mobile device is widely used.It is moved with electronics The popularization of dynamic equipment, the demand of Ni-MH battery low to the environmental pollution that is used in it, being recycled for multiple times are also increasing; In addition to the service life demand to Ni-MH battery becomes higher, higher requirement is also proposed to the capacity of Ni-MH battery.
The content of the invention
In place of solving above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of great-capacity power batteries And preparation method thereof, the defects of to overcome in the prior art.
To achieve these goals, the present invention provides a kind of great-capacity power battery, the great-capacity power battery bags Include outer housing, positive plate, negative plate, the first membrane, the second membrane, negative electrode collector and positive electrode collector;Wherein, outer housing is The hollow cylinder of sealed bottom upper opening, is covered with sealing ring at the upper opening of outer housing, at the center of sealing ring upper surface With sealing valve, outer housing is sealed by anode block in the outside of sealing valve;Negative plate, the first membrane, positive plate and Second membrane is sequentially overlapped and is wound into cylinder and is arranged inside outer housing from inside to outside, and the membrane is from the inside to the outside successively Respectively bottom, interlayer and outer layer, be formed uniformly respectively on the bottom and outer membrane it is several through the underlying membrane and First micropore of outer membrane is formed uniformly several the second micropores through the interlayer film on the interlayer film;It is described Negative plate bottom is welded with negative electrode collector, and positive electrode collector, negative electrode collector and outer housing are welded at the top of the positive plate Interior bottom electrical connection, positive electrode collector are electrically connected with anode block;Positive plate uses ball-shape nickel hydroxide, and on positive plate surface One layer of positive-active film is wrapped, the thickness of positive plate is 0.4~0.5mm;Negative plate uses nickel plating copper mesh, and on negative plate surface One layer of negative electrode active film is wrapped, the thickness of negative plate is 0.3~0.4mm;The positive-active film and negative electrode active film make power The discharge capacity of battery is also filled with electrolyte up to more than 1000mAH/g in outer housing.
As the further explanation to great-capacity power battery of the present invention, it is preferable that the positive-active film is Monolayer active film, the thickness of the positive-active film is 0.25~0.35mm.
As the further explanation to great-capacity power battery of the present invention, it is preferable that the positive-active film by Cobalt-zinc alloy powder, nickel powder, polytetrafluoroethylene (PTFE), hydroxymethyl cellulose are made.It is highly preferred that the positive-active film is by 15~20 weights Measure part cobalt-zinc alloy powder, 10~15 parts by weight nickel powders, 2~3 parts by weight polytetrafluoroethylene (PTFE), 1~2 parts by weight hydroxymethyl cellulose system Into.
As the further explanation to great-capacity power battery of the present invention, it is preferable that the negative electrode active film is Monolayer active film, the thickness of the negative electrode active film is 0.7~0.8mm.
As the further explanation to great-capacity power battery of the present invention, it is preferable that the negative electrode active film by ZrNi2Alloy and Me0.4Si0.2Ce0.05MnV0.45Alloy is made.It is highly preferred that the negative electrode active film is by 8~10 parts by weight ZrNi2Alloy and 12~15 parts by weight Me0.4Si0.2Ce0.05MnV0.45Alloy is made.
As the further explanation to great-capacity power battery of the present invention, it is preferable that the first membrane and second every Membrane structure is identical, and the thickness of the first membrane and the second membrane is respectively 0.3~0.4mm..
As the further explanation to great-capacity power battery of the present invention, it is preferable that first micropore and The aperture of two micropores is respectively 0.15~0.25 micron.
As the further explanation to great-capacity power battery of the present invention, it is preferable that the underlying membrane and outer layer Film is made of sulfonation acrylic resin, and the interlayer film is made of polystyrene resin.
The present invention also provides a kind of preparation method using the great-capacity power battery, the preparation method includes Following steps:Step 1) makes positive plate:Ball-shape nickel hydroxide is prepared using complexed-precipitation method and makes positive plate, by cobalt kirsite It wraps on positive plate surface, is rolled through tablet press machine, microtome after powder, nickel powder, polytetrafluoroethylene (PTFE), hydroxymethyl cellulose mixing Afterwards, positive electrode collector is welded;Step 2) makes negative plate:One layer of nickel layer is first plated on netted copper mesh, it, will be through negative plate is made Cross the ZrNi of HF solution treatments2Alloy and Me0.4Si0.2Ce0.05MnV0.45It is electroplated after alloy outside negative plate, rolled through tablet press machine, After microtome, negative electrode collector is welded;Step 3) makes membrane:Underlying membrane, interlayer film and outer membrane are sequentially overlapped, It is cut at 150~200 DEG C through hot press hot pressing, guillotine, the first membrane and the second membrane is made respectively;Step 4) prepares electrolysis Liquid:Potassium hydroxide, sodium hydroxide, lithium hydroxide are dissolved in deionized water, after stirring and cooling down for 24 hours at room temperature, obtained Form for 30~40% potassium hydroxide, 2~3% sodium hydroxides, 4~5% lithium hydroxides electrolyte;Step 5) battery assembles: The negative plate made, the first membrane, positive plate and the second membrane are sequentially overlapped from inside to outside and are wound into cylinder, is packed into In outer housing, then the electrolyte made is filled into outer housing, outer housing is sealed.
The present invention uses ball-shape nickel hydroxide as a positive electrode active material, and wraps one layer of positive-active film conduct outside it Improve the substance of anode, select nickel powder as conductive agent to increase the electric conductivity of anode and extend anode cycle life, and select Cobalt-zinc alloy powder prevents pole piece from expanding, the conversion ratio of positive discharge reaction is improved, so as to improve anode as additive Discharge capacity,;Using ZrNi2And Me0.4Si0.2Ce0.05MnV0.45Negative electrode active film is formed as negative electrode active material and to wrap To have the function that increase Ni-MH battery capacity, several great-capacity power batteries assembled are together in series just for nickel plating copper mesh It often uses, discharge capacity is up to more than 1000mAH/g.
Description of the drawings
Fig. 1 is the structure diagram of the great-capacity power battery of the present invention.
Specific embodiment
It is attached in conjunction with appended preferred embodiment in order to further appreciate that structure, feature and the other purposes of the present invention With attached drawing, detailed description are as follows, this attached drawing embodiment described is merely to illustrate technical scheme, and non-limiting Invention.
As shown in Figure 1, Fig. 1 is the structure diagram of the great-capacity power battery of the present invention;The great-capacity power battery Including outer housing 1, positive plate 2, negative plate 3, the first membrane 4, the second membrane 5, negative electrode collector 6 and positive electrode collector 7;Its In, outer housing 1 is the hollow cylinder of sealed bottom upper opening, and sealing ring 11 is covered at the upper opening of outer housing 1, is sealed Enclosing has sealing valve 12 at 11 upper surface centers, be sealed outer housing 1 by anode block 13 in the outside of sealing valve 12;It is negative Pole piece 3, the first membrane 4,2 and second membrane 5 of positive plate are sequentially overlapped and are wound into cylinder and are arranged at shell from inside to outside Inside body 1, the bottom of the negative plate 3 is welded with negative electrode collector 6, and the top of the positive plate 2 is welded with positive electrode collector 7, negative electrode collector 6 is electrically connected with bottom in outer housing 1, and positive electrode collector 7 is electrically connected with anode block 13.
The present invention is using double-layer structure identical membrane i.e. the first membrane 4 and the second membrane 5, and the membrane is by from the inside to the outside Bottom, interlayer and outer membrane hot pressing be combined, be formed uniformly respectively on the bottom and outer membrane several through institute The first micropore of underlying membrane and outer membrane is stated, is formed uniformly on the interlayer film several through the second of the interlayer film Micropore, the underlying membrane and outer membrane are made of sulfonation acrylic resin, and the interlayer film is made of polystyrene resin, the One membrane 4 is arranged between positive plate 2 and negative plate 3, and to prevent positive/negative plate contact from short circuit occurs, the membrane uses three layers Film produced with combination, piercing through membrane also for the metal burr that prevents on pole piece causes internal short-circuit of battery, and it is sulfonated after Polypropylene resin film gather and have good hydrophily, be easy to Electolyte-absorptive, liquid holdup is big and resistance to alkali liquid corrosion, beneficial to precipitation Ion accelerate through film to cathode, the polystyrene resin film in interlayer has the characteristics that intensity is big, polystyrene resin film Play the role of the compound film strength of enhancing, prevent that breakage occurs in membrane manufacturing process causes battery life to reduce;Second every Film 5 separates positive plate 2 and outer housing 1, on the one hand prevents positive plate 2 from bonding together with outer housing 1 positive and negative anodes is caused to contact Short circuit, another aspect electrolyte can provide good with uniformly dispersing on the second membrane 5 for the positive-active film on the outside of positive plate 2 Good reaction environment, it is preferable that the aperture of the first membrane 4 and the second membrane 5 is 0.15~0.25 micron, slightly larger than common ni-mh The aperture of battery diaphragm ensures ion transmission, improves and inhales hydrogen rate.
The positive plate 2 of the present invention is using ball-shape nickel hydroxide, and the thickness of positive plate 2 is 0.4~0.5mm, slightly larger than common The thickness of positive plate for nickel-hydrogen cell 2, to increase the capacity of Ni-MH battery;One layer of positive-active film, institute are wrapped on 2 surface of positive plate It states positive-active film to be made of cobalt-zinc alloy powder, nickel powder, polytetrafluoroethylene (PTFE), hydroxymethyl cellulose, the thickness of the positive-active film Spend for 0.25~0.35mm, by using polyfluortetraethylene of binding element and hydroxymethyl cellulose, by cobalt-zinc alloy powder and nickel powder with Nickel hydroxide combines;Positive-active film is mainly used for improving the activity of anode reaction, to improve the capacitance of Ni-MH power cell: Cobalt-zinc alloy powder is used to improve the capacitance of anode electrode, and can reduce positive electrode expansion, improves turning for positive discharge reaction Rate, so as to improve the discharge capacity of anode, nickel powder can increase positive conductive and extend anode cycle life.
The negative plate 3 of the present invention uses nickel plating copper mesh, and the thickness of negative plate 3 is 0.3~0.4mm, is mainly used for as negative The attachment matrix of pole active material, negative plate 3 electroplating surface, one layer of negative electrode active film, the thickness of negative electrode active film for 0.7~ 0.8mm, in order to ensure Ni-MH battery capacity, it is necessary to set the negative electrode active film of adequate thickness, the negative electrode active film is by ZrNi2 And Me0.4Si0.2Ce0.05MnV0.45It is made, using ZrNi2To increase cathode hydrogen storage capability, and pass through Me0.4Si0.2Ce0.05MnV0.45 Improve the reactivity of cathode, Me is for improving initial capacity and improve hydrogen-absorbing ability, and Si is for accelerating Ni-MH battery Activation, and enhance the stability of cathode, Ce reduces corrosion rate of the reaction to anode and cathode, and Mn effectively improves Ni-MH battery Capacity.
Electrolyte is also filled in outer housing 1, electrolyte is uniformly adhered to the first membrane 4 and the second membrane 5, and fills In outer housing 1.
Embodiment 1
Step 1) makes positive plate:0.4mm ball-shape nickel hydroxides are prepared as positive plate by the use of complexed-precipitation method, by 15g It wraps after cobalt-zinc alloy powder, 10g nickel powders, 2g polytetrafluoroethylene (PTFE), the mixing of 1g hydroxymethyl celluloses and is formed on positive plate surface 0.25mm positive-active films, are rolled, through tablet press machine after microtome, weld positive electrode collector.
Step 2) makes negative plate:One layer of nickel layer is first plated on netted copper mesh, 0.3mm negative plates are made, HF will be passed through The 8g ZrNi of solution treatment2With 12g Me0.4Si0.2Ce0.05MnV0.45Plating forms 0.7mm negative electrode active films outside negative plate, It is rolled, after microtome through tablet press machine, welds negative electrode collector.
Step 3):Make membrane:By underlying membrane (the sulfonation polypropylene resin film of 0.15 micron pore size), interlayer film (the polystyrene resin film of 0.15 micron pore size) and outer membrane (the sulfonation polypropylene resin film of 0.15 micron pore size) are folded successively Add, composite membrane is obtained through hot press hot pressing at 150 DEG C, after cut machine cuts into suitable size, the membrane of 0.3mm is made.
Step 4) prepares electrolyte:Potassium hydroxide, sodium hydroxide, lithium hydroxide are dissolved in deionized water, stirring is simultaneously After cooling down for 24 hours at room temperature, composition is obtained as 30% potassium hydroxide, 2% sodium hydroxide, the electrolyte of 4% lithium hydroxide.
Step 5) battery assembles:By the negative plate made, the first membrane, positive plate and the second membrane from inside to outside successively It is superimposed and is wound into cylinder, be fitted into outer housing, then the electrolyte made is filled into outer housing, outer housing is carried out Sealing.
The great-capacity power battery that at least two are assembled is together in series normal use, and discharge capacity is more than etc. after tested In 1065mAH/g.
Embodiment 2
Step 1) makes positive plate:0.45mm ball-shape nickel hydroxides are prepared using complexed-precipitation method and make positive plate, by 17g It wraps after cobalt-zinc alloy powder, 12g nickel powders, 2.5g polytetrafluoroethylene (PTFE), the mixing of 1.5g hydroxymethyl celluloses and is formed on positive plate surface 0.3mm positive-active films, rolled, after microtome through tablet press machine, weld positive electrode collector.
Step 2) makes negative plate:One layer of nickel layer is first plated on netted copper mesh, 0.35mm negative plates are made, HF will be passed through The 9g ZrNi of solution treatment2With 13g Me0.4Si0.2Ce0.05MnV0.45Plating forms 0.75mm negative electrode active films outside negative plate, It is rolled, after microtome through tablet press machine, welds negative electrode collector.
Step 3):Make membrane:By underlying membrane (the sulfonation polypropylene resin film of 0.2 micron pore size), interlayer film (0.2 The polystyrene resin film of micron pore size) and outer membrane (the sulfonation polypropylene resin film of 0.2 micron pore size) be sequentially overlapped, Composite membrane is obtained through hot press hot pressing at 190 DEG C, after cut machine cuts into suitable size, the membrane of 0.35mm is made.
Step 4) prepares electrolyte:Potassium hydroxide, sodium hydroxide, lithium hydroxide are dissolved in deionized water, stirring is simultaneously After cooling down for 24 hours at room temperature, composition is obtained as 35% potassium hydroxide, 2.5% sodium hydroxide, the electrolyte of 4.5% lithium hydroxide.
Step 5) assembles battery:By the negative plate made, the first membrane, positive plate and the second membrane from inside to outside successively It is superimposed and is wound into cylinder, be fitted into outer housing, then the electrolyte made is filled into outer housing, outer housing is carried out Sealing.
The great-capacity power battery that at least two are assembled is together in series normal use, and discharge capacity is more than etc. after tested In 1082mAH/g.
Embodiment 3
Step 1) makes positive plate:0.5mm ball-shape nickel hydroxides are prepared using complexed-precipitation method and make positive plate, by 20g Wrap what is formed on positive plate surface after cobalt-zinc alloy powder, 15g nickel powders, 3g polytetrafluoroethylene (PTFE), the mixing of 2g hydroxymethyl celluloses 0.35mm positive-active films, are rolled, through tablet press machine after microtome, weld positive electrode collector.
Step 2) makes negative plate:One layer of nickel layer is first plated on netted copper mesh, 0.4mm negative plates are made, HF will be passed through The 10g ZrNi of solution treatment2With 15g Me0.4Si0.2Ce0.05MnV0.45Plating forms 0.8mm negative electrode active films outside negative plate, It is rolled, after microtome through tablet press machine, welds negative electrode collector.
Step 3):Make membrane:By underlying membrane (the sulfonation polypropylene resin film of 0.25 micron pore size), interlayer film (the polystyrene resin film of 0.25 micron pore size) and outer membrane (the sulfonation polypropylene resin film of 0.25 micron pore size) are folded successively Add, composite membrane is obtained through hot press hot pressing at 200 DEG C, after cut machine cuts into suitable size, the membrane of 0.4mm is made.
Step 4) prepares electrolyte:Potassium hydroxide, sodium hydroxide, lithium hydroxide are dissolved in deionized water, stirring is simultaneously After cooling down for 24 hours at room temperature, composition is obtained as 40% potassium hydroxide, 3% sodium hydroxide, the electrolyte of 5% lithium hydroxide.
Step 5) battery assembles:By the negative plate made, the first membrane, positive plate and the second membrane from inside to outside successively It is superimposed and is wound into cylinder, be fitted into outer housing, then the electrolyte made is filled into outer housing, outer housing is carried out Sealing.
The great-capacity power battery that at least two are assembled is together in series normal use, and discharge capacity is more than etc. after tested In 1150mAH/g.
It is to be understood that foregoing invention content and specific embodiment are intended to prove technical solution provided by the present invention Practical application should not be construed as limiting the scope of the present invention.Those skilled in the art are in spirit and principles of the present invention It is interior, when can various modifications may be made, equivalent substitution or improvement.Protection scope of the present invention is subject to the appended claims.

Claims (10)

1. a kind of great-capacity power battery, which is characterized in that the great-capacity power battery includes outer housing (1), positive plate (2), negative plate (3), the first membrane (4), the second membrane (5), negative electrode collector (6) and positive electrode collector (7);Wherein,
Outer housing (1) is the hollow cylinder of sealed bottom upper opening, and sealing ring is covered at the upper opening of outer housing (1) (11), there is sealing valve (12) at sealing ring (11) upper surface center, it will by anode block (13) in the outside of sealing valve (12) Outer housing (1) is sealed;
Negative plate (3), the first membrane (4), positive plate (2) and the second membrane (5) are sequentially overlapped and are wound into cylinder from inside to outside Body and it is arranged at that outer housing (1) is internal, and the first membrane (4) and the second membrane (5) respectively are bottom, centre from the inside to the outside Layer and outer layer are formed uniformly on the bottom and outer membrane several through the first micro- of the underlying membrane and outer membrane respectively Hole is formed uniformly several the second micropores through the interlayer film on the interlayer film;The bottom of the negative plate (3) Be welded with negative electrode collector (6), be welded with positive electrode collector (7) at the top of the positive plate (2), negative electrode collector (6) with it is outer The interior bottom electrical connection of housing (1), positive electrode collector (7) are electrically connected with anode block (13);
Positive plate (2) has wrapped positive-active film for the surface of ball-shape nickel hydroxide and positive plate (2), and negative plate (3) is nickel plating The surface of copper mesh and negative plate (3) has wrapped negative electrode active film, and the positive-active film and negative electrode active film make power battery Capacity is more than the capacity of battery powered by conventional energy, and electrolyte is also filled in outer housing (1).
2. great-capacity power battery as described in claim 1, which is characterized in that the positive-active film is monolayer active film, The thickness of the positive-active film is 0.25~0.35mm.
3. great-capacity power battery as described in claim 1, which is characterized in that the positive-active film by cobalt-zinc alloy powder, Nickel powder, polytetrafluoroethylene (PTFE), hydroxymethyl cellulose are made.
4. great-capacity power battery as described in claim 1, which is characterized in that the negative electrode active film is monolayer active film, The thickness of the negative electrode active film is 0.7~0.8mm.
5. great-capacity power battery as described in claim 1, which is characterized in that the negative electrode active film by ZrNi2 alloys and Me0.4Si0.2Ce0.05MnV0.45 alloys are made.
6. great-capacity power battery as described in claim 1, which is characterized in that the thickness of the first membrane (4) and the second membrane (5) Degree is respectively 0.3~0.4mm.
7. great-capacity power battery as claimed in claim 6, which is characterized in that the aperture of first micropore and the second micropore Respectively 0.15~0.25 micron.
8. great-capacity power battery as claimed in claim 6, which is characterized in that the underlying membrane and outer membrane are by sulfonation poly- third Olefine resin is made, and the interlayer film is made of polystyrene resin.
A kind of 9. preparation method of great-capacity power battery as described in claim 1-8 is any, which is characterized in that the preparation Method includes the following steps:
Step 1):It is wrapped after cobalt-zinc alloy powder, nickel powder, polytetrafluoroethylene (PTFE), hydroxymethyl cellulose are mixed in positive plate surface, warp Tablet press machine rolls, after microtome, welds positive electrode collector;
Step 2):Respectively by metallic nickel and the ZrNi after HF solution treatments2Alloy and Me0.4Si0.2Ce0.05MnV0.45Alloy Plating rolls, through tablet press machine after microtome outside negative plate, welds negative electrode collector;
Step 3):Underlying membrane, interlayer film and outer membrane are sequentially overlapped, cut through hot press hot pressing, guillotine, be made every Film;
Step 4):Potassium hydroxide, sodium hydroxide, lithium hydroxide are dissolved in deionized water, stir and cooled down at room temperature for 24 hours Afterwards, electrolyte is obtained;
Step 5):The negative plate made, the first membrane, positive plate and the second membrane are sequentially overlapped and are wound into from inside to outside Cylinder is fitted into outer housing, then the electrolyte made is filled into outer housing, and outer housing is sealed.
10. the preparation method of great-capacity power battery as claimed in claim 9, which is characterized in that hot pressing described in step 3) Machine hot pressing temperature is 150~200 DEG C.
CN201810012178.6A 2018-01-05 2018-01-05 A kind of great-capacity power battery and preparation method thereof Pending CN108075130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810012178.6A CN108075130A (en) 2018-01-05 2018-01-05 A kind of great-capacity power battery and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810012178.6A CN108075130A (en) 2018-01-05 2018-01-05 A kind of great-capacity power battery and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108075130A true CN108075130A (en) 2018-05-25

Family

ID=62156405

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810012178.6A Pending CN108075130A (en) 2018-01-05 2018-01-05 A kind of great-capacity power battery and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108075130A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109830635A (en) * 2019-01-25 2019-05-31 东莞市海商泰通讯科技有限公司 The capping processing technology of 1 to No. 7 solid lithium ion battery
CN109888406A (en) * 2019-01-25 2019-06-14 东莞市海商泰通讯科技有限公司 1 to No. 7 solid lithium ion rechargeable battery
CN109904524A (en) * 2019-01-25 2019-06-18 东莞市海商泰通讯科技有限公司 A kind of processing technology of 1 to No. 7 solid lithium ion battery
CN109935915A (en) * 2019-04-17 2019-06-25 深圳吉阳智能科技有限公司 A kind of lamination type electric core formation system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1269615A (en) * 1999-04-05 2000-10-11 深圳市比亚迪实业有限公司 High-temperature Ni/H2 battery and its manufacture
JP2001084982A (en) * 1999-09-17 2001-03-30 Matsushita Electric Ind Co Ltd Metal hydroxide-hydrogen storage battery
JP2002203546A (en) * 2000-12-27 2002-07-19 Sony Corp Beta-type oxynickel hydroxide and its manufacturing method, positive electrode active substance, as well as nickel-zinc battery
CN102386379A (en) * 2011-10-19 2012-03-21 广州市云通磁电有限公司 Manufacturing method of lithium iron phosphate-cobalt acid lithium composite anode plate of lithium ion battery
CN104218264A (en) * 2014-03-14 2014-12-17 深圳市倍特力电池有限公司 Nickel-hydrogen battery and manufacturing method thereof
JP2017054592A (en) * 2015-09-07 2017-03-16 プライムアースEvエナジー株式会社 Nickel hydrogen storage battery, and method for manufacturing nickel hydrogen storage battery

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1269615A (en) * 1999-04-05 2000-10-11 深圳市比亚迪实业有限公司 High-temperature Ni/H2 battery and its manufacture
JP2001084982A (en) * 1999-09-17 2001-03-30 Matsushita Electric Ind Co Ltd Metal hydroxide-hydrogen storage battery
JP2002203546A (en) * 2000-12-27 2002-07-19 Sony Corp Beta-type oxynickel hydroxide and its manufacturing method, positive electrode active substance, as well as nickel-zinc battery
CN102386379A (en) * 2011-10-19 2012-03-21 广州市云通磁电有限公司 Manufacturing method of lithium iron phosphate-cobalt acid lithium composite anode plate of lithium ion battery
CN104218264A (en) * 2014-03-14 2014-12-17 深圳市倍特力电池有限公司 Nickel-hydrogen battery and manufacturing method thereof
JP2017054592A (en) * 2015-09-07 2017-03-16 プライムアースEvエナジー株式会社 Nickel hydrogen storage battery, and method for manufacturing nickel hydrogen storage battery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
朱松然主编, 天津大学出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109830635A (en) * 2019-01-25 2019-05-31 东莞市海商泰通讯科技有限公司 The capping processing technology of 1 to No. 7 solid lithium ion battery
CN109888406A (en) * 2019-01-25 2019-06-14 东莞市海商泰通讯科技有限公司 1 to No. 7 solid lithium ion rechargeable battery
CN109904524A (en) * 2019-01-25 2019-06-18 东莞市海商泰通讯科技有限公司 A kind of processing technology of 1 to No. 7 solid lithium ion battery
CN109935915A (en) * 2019-04-17 2019-06-25 深圳吉阳智能科技有限公司 A kind of lamination type electric core formation system
CN109935915B (en) * 2019-04-17 2024-02-27 深圳吉阳智能科技有限公司 Lamination type battery cell forming system

Similar Documents

Publication Publication Date Title
JP3495814B2 (en) Battery electrode and lithium secondary battery having the electrode
CN108075130A (en) A kind of great-capacity power battery and preparation method thereof
CN102263269B (en) Cathode active material, inclined pull-net cathode matrix and cathode of nickel-zinc batteries and preparation method of cathode
CN100449826C (en) Zinc cathode secondary battery, zinc cathode of the battery and preparation method thereof
CN111009421A (en) Lamellar bimetallic organic framework compound and preparation method and application thereof
CN101557010A (en) Cylindrical nickel-zinc cell with negative can
CN103022575B (en) Dual-foamed iron-nickel battery and production method thereof
CN110265654A (en) A kind of negative electrode of lithium ion battery ultrathin lithium silver alloy band and preparation method thereof
CN1434534A (en) Zinc-nickel secondary cell and preparation method thereof
JP2008529224A (en) Zinc cathode for zinc-nickel secondary battery, method for producing the same, and zinc-nickel secondary battery including the zinc cathode
CN100568591C (en) A kind of hydrogen storage alloy for low temperature Ni-MH power cell
CN101789528A (en) Cylinder-type nickel-metal hydride battery
CN106299553B (en) A kind of lithium ion battery and preparation method thereof
CN208078033U (en) A kind of great-capacity power battery
WO2012097457A1 (en) Cylindrical shaped ion-exchange battery
JP2013008540A (en) Collector for nonaqueous electrolyte secondary battery and electrode using the same
JPH1126013A (en) Sealed metal oxide-zinc storage battery and its manufacture
CN207753122U (en) A kind of shelf-stable type battery
CN207834425U (en) A kind of high temperature fast charge Ni-MH power cell
CN101662024A (en) Cathode active substance and preparation method thereof, cathode and battery
CN117203788A (en) Bipolar electrode for metal hydride battery, metal hydride battery provided with bipolar electrode, method for producing bipolar electrode for metal hydride battery, and method for producing metal hydride battery
CN207834499U (en) A kind of low-temperature nickel-hydrogen battery
CN207637940U (en) A kind of high current Ni-MH battery
CN207705346U (en) A kind of low self-discharge Ni-MH battery
CN108110332B (en) Storage-resistant battery and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination