CN109980236A - Environmentally friendly carbon gold horizon battery grid production method - Google Patents

Environmentally friendly carbon gold horizon battery grid production method Download PDF

Info

Publication number
CN109980236A
CN109980236A CN201711453694.4A CN201711453694A CN109980236A CN 109980236 A CN109980236 A CN 109980236A CN 201711453694 A CN201711453694 A CN 201711453694A CN 109980236 A CN109980236 A CN 109980236A
Authority
CN
China
Prior art keywords
grid
alloy
horizon battery
alloy sheets
carbon gold
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
CN201711453694.4A
Other languages
Chinese (zh)
Inventor
何幸华
黎少伟
李政文
何可立
马骏
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.)
Guangzhou Zhuoyue Power New Energy Co Ltd
Original Assignee
Guangzhou Zhuoyue Power New Energy 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 Guangzhou Zhuoyue Power New Energy Co Ltd filed Critical Guangzhou Zhuoyue Power New Energy Co Ltd
Priority to CN201711453694.4A priority Critical patent/CN109980236A/en
Publication of CN109980236A publication Critical patent/CN109980236A/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
    • H01M4/64Carriers or collectors
    • H01M4/70Carriers or collectors characterised by shape or form
    • H01M4/72Grids
    • H01M4/74Meshes or woven material; Expanded metal
    • H01M4/745Expanded metal
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

The invention discloses environmentally friendly carbon gold horizon battery grid production methods, include the following steps: the configuration of alloy solution: according to different corrosion conditions of the positive and negative electrode grid in carbon gold horizon battery charge and discharge process, matching different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider its erosion loss amount when weighing, and melt in furnace is put into after the completion of ingredient;The casting of alloy sheets: before cast alloys liquid, mold should coat release agent.Alloy of the present invention is fine and close, and high mechanical strength, flexibility is good, and corrosion resistance is strong;It cuts seine legal system to make grid and do not need heavy grid mold, labor intensity decreases, and can save the funds of manufacture grid mold;Without secondary fusion alloy lead pig process, mass energy can be saved;Seine process no waste mine is cut, the utilization rate of raw material is high, to improve production efficiency, reduces production cost, solves the problems, such as existing carbon alloy horizon battery high production cost.

Description

Environmentally friendly carbon gold horizon battery grid production method
Technical field
The present invention relates to technical field of battery production, specially environmentally friendly carbon gold horizon battery grid production method.
Background technique
Environment-friendly battery refers to a kind of high-performance for having come into operation or having developed in recent years, developed, pollution-free battery. Metal hydride nickel storage battery, lithium-ions battery and the mercury-free alkali Zn-Mn promoted the use of largely used at present Primary battery and rechargeable battery and developing, the lithium developed or lithium ion Plastic accumulator and fuel cell etc. belong to this One scope.In addition, the solar cell (also known as photovoltaic power generation) of photoelectric conversion is had been widely used and can be carried out using the sun at present, It can be included in this scope, carbon alloy horizon battery also belongs to environment-friendly battery, the silicon-carbon alloy energy density of carbon alloy horizon battery Three times are promoted than general graphite cathode, can further improve the lithium battery capacity 30% or so under unit volume, existing carbon closes In golden horizon battery production process, since grid production efficiency is low, high production cost, to increase carbon alloy horizon battery Whole production cost, for this purpose, it is proposed that environmentally friendly carbon gold horizon battery grid production method.
Summary of the invention
The purpose of the present invention is to provide environmentally friendly carbon gold horizon battery grid production methods, to solve in above-mentioned background technique The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: environmentally friendly carbon gold horizon battery grid production method, packet Include following steps:
(1) configuration of alloy solution: according to different corrosion of the positive and negative electrode grid in carbon gold horizon battery charge and discharge process Situation matches different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider its ablation when weighing Waste, ingredient are put into melt in furnace after the completion;
(2) casting of alloy sheets: before cast alloys liquid, mold should coat release agent, be warming up to 100~150 DEG C, then will The aluminium alloy melted is cast in mold, and one layer of protection is covered above aluminium alloy, can inhibit the evaporation and burning of aluminium alloy Damage, after aluminium alloy solidification, natural cooling, demoulding, for use;
(3) rolling calendering manufacture latten: thick alloy sheets are multiple through roll squeezer pressure rolling, laminate, gauge of sheet Depending on the requirement of grid;
(4) it cuts seine aperture plate: the latten that roll-in is delayed being modified in the width direction, is cut, the width of alloy sheets Degree is less than 30~40mm;
(5) it rushes tab: being required according to the size of grid art work sheet, the wide screen aperture plate drawn will be cut and be cut into monolithic grid Net;Alloy sheets extra on single mesh aperture plate band are washed out with punching machine, reserve tab;
(6) examine: hauling type grid should meet drawing requirement, should not there is disconnected muscle, crackle, slag inclusion;Tab portion answer it is smooth, no Hole is answered, quality, thickness should all meet the requirements.
Preferably, the grid that battery capacity is big, polar plate area is big in the step (3) is relatively thick, it is desirable that is rolled into Thin plate is also relatively thick.
Preferably, the alloy sheets that positive grid is made in the step (3) are bigger than the thickness of the alloy sheets of cathode, roll-in Journey wants the consistency of running check upper and lower roll spacing, and the thickness to ensure thin alloy sheets that roller is rolled into is uniform.
Preferably, examine qualified positive and negative electrode grid that should separate storage in the step (6), qualified net is examined in storage Ying Pingfang when grid, stacking quantity and height should control, and the grid of bottom is avoided to be crushed out of shape.
Compared with prior art, the beneficial effects of the present invention are: alloy of the present invention is fine and close, high mechanical strength, flexibility is good, Corrosion resistance is strong;It cuts seine legal system to make grid and do not need heavy grid mold, labor intensity decreases, and can save system Make the funds of grid mold;Without secondary fusion alloy lead pig process, mass energy can be saved;Cut seine process no waste mine, former material The utilization rate of material is high, to improve production efficiency, reduces production cost, solves existing carbon alloy horizon battery and be produced into This high problem.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
The present invention provides a kind of technical solution: environmentally friendly carbon gold horizon battery grid production method includes the following steps:
(1) configuration of alloy solution: according to different corrosion of the positive and negative electrode grid in carbon gold horizon battery charge and discharge process Situation matches different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider its ablation when weighing Waste, ingredient are put into melt in furnace after the completion;
(2) casting of alloy sheets: before cast alloys liquid, mold should coat release agent, be warming up to 100~150 DEG C, then will The aluminium alloy melted is cast in mold, and one layer of protection is covered above aluminium alloy, can inhibit the evaporation and burning of aluminium alloy Damage, after aluminium alloy solidification, natural cooling, demoulding, for use;
(3) rolling calendering manufacture latten: thick alloy sheets are multiple through roll squeezer pressure rolling, laminate, gauge of sheet Depending on the requirement of grid;
(4) it cuts seine aperture plate: the latten that roll-in is delayed being modified in the width direction, is cut, the width of alloy sheets Degree is less than 30~40mm;
(5) it rushes tab: being required according to the size of grid art work sheet, the wide screen aperture plate drawn will be cut and be cut into monolithic grid Net;Alloy sheets extra on single mesh aperture plate band are washed out with punching machine, reserve tab;
(6) examine: hauling type grid should meet drawing requirement, should not there is disconnected muscle, crackle, slag inclusion;Tab portion answer it is smooth, no Hole is answered, quality, thickness should all meet the requirements.
Embodiment one:
First carry out alloy solution configuration: according to positive and negative electrode grid in carbon gold horizon battery charge and discharge process not Same corrosion condition matches different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider it when weighing Erosion loss amount, melt in furnace is put into after the completion of ingredient;Then the casting of alloy sheets is carried out: before cast alloys liquid, mold Release agent should be coated, is warming up to 100~150 DEG C, then the aluminium alloy melted is cast in mold, is covered above aluminium alloy One layer of protection can inhibit the evaporation and scaling loss of aluminium alloy, after aluminium alloy solidification, natural cooling, demoulding, for use;Then Rolling calendering manufacture latten: thick alloy sheets are multiple through roll squeezer pressure rolling, laminate, and gauge of sheet is wanted according to grid Depending on asking;Then it cuts seine aperture plate: the latten that roll-in is delayed being modified in the width direction, is cut, the width of alloy sheets Degree is less than 30~40mm;Then it rushes tab: being required according to the size of grid art work sheet, the wide screen aperture plate drawn will be cut and be cut into Single mesh aperture plate;Alloy sheets extra on single mesh aperture plate band are washed out with punching machine, reserve tab;It finally examines: hauling type grid Drawing requirement should be met, should not there is disconnected muscle, crackle, slag inclusion;Tab portion answers smooth, does not answer hole, quality, thickness all Ying Fuhe It is required that.
Embodiment two:
In example 1, following processes are added:
The grid that battery capacity is big in step (3), polar plate area is big is relatively thick, it is desirable that the thin plate being rolled into is also relatively It is thick.
First carry out alloy solution configuration: according to positive and negative electrode grid in carbon gold horizon battery charge and discharge process not Same corrosion condition matches different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider it when weighing Erosion loss amount, melt in furnace is put into after the completion of ingredient;Then the casting of alloy sheets is carried out: before cast alloys liquid, mold Release agent should be coated, is warming up to 100~150 DEG C, then the aluminium alloy melted is cast in mold, is covered above aluminium alloy One layer of protection can inhibit the evaporation and scaling loss of aluminium alloy, after aluminium alloy solidification, natural cooling, demoulding, for use;Then Rolling calendering manufacture latten: thick alloy sheets are multiple through roll squeezer pressure rolling, laminate, and gauge of sheet is wanted according to grid Depending on asking;The grid that battery capacity is big, polar plate area is big is relatively thick, it is desirable that the thin plate being rolled into is also relatively thick;Then it cuts Seine aperture plate: the latten that roll-in is delayed being modified in the width direction, is cut, the width of alloy sheets less than 30~ 40mm;Then it rushes tab: being required according to the size of grid art work sheet, the wide screen aperture plate drawn will be cut and be cut into monolithic grid Net;Alloy sheets extra on single mesh aperture plate band are washed out with punching machine, reserve tab;Finally examine: hauling type grid should meet figure Paper requirement, should not there is disconnected muscle, crackle, slag inclusion;Tab portion answers smooth, does not answer hole, quality, thickness should all meet the requirements.
Embodiment three:
In example 2, following processes are added:
The alloy sheets that positive grid is made in step (3) are bigger than the thickness of the alloy sheets of cathode, and nipping process will be examined often The consistency of upper and lower roll spacing is looked into, the thickness to ensure thin alloy sheets that roller is rolled into is uniform.
First carry out alloy solution configuration: according to positive and negative electrode grid in carbon gold horizon battery charge and discharge process not Same corrosion condition matches different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider it when weighing Erosion loss amount, melt in furnace is put into after the completion of ingredient;Then the casting of alloy sheets is carried out: before cast alloys liquid, mold Release agent should be coated, is warming up to 100~150 DEG C, then the aluminium alloy melted is cast in mold, is covered above aluminium alloy One layer of protection can inhibit the evaporation and scaling loss of aluminium alloy, after aluminium alloy solidification, natural cooling, demoulding, for use;Then Rolling calendering manufacture latten: thick alloy sheets are multiple through roll squeezer pressure rolling, laminate, and gauge of sheet is wanted according to grid Depending on asking;The grid that battery capacity is big, polar plate area is big is relatively thick, it is desirable that the thin plate being rolled into is also relatively thick;Production is just The alloy sheets of polar net grid are bigger than the thickness of the alloy sheets of cathode, and nipping process wants the consistency of running check upper and lower roll spacing, with Ensure that the thickness for the thin alloy sheets that roller is rolled into is uniform;Then cut seine aperture plate: the latten that roll-in is delayed is along width side To being modified, being cut, the width of alloy sheets is less than 30~40mm;Then it rushes tab: being wanted according to the size of grid art work sheet It asks, the wide screen aperture plate drawn will be cut and be cut into single mesh aperture plate;Alloy sheets extra on single mesh aperture plate band are washed out with punching machine, are stayed Tab out;Finally examine: hauling type grid should meet drawing requirement, should not there is disconnected muscle, crackle, slag inclusion;Tab portion answer it is smooth, no Hole is answered, quality, thickness should all meet the requirements.
Example IV:
In the third embodiment, following processes are added:
It examines qualified positive and negative electrode grid that should separate storage in step (6), stores Ying Pingfang when examining qualified grid, Stacking quantity and height should control, and the grid of bottom is avoided to be crushed out of shape.
First carry out alloy solution configuration: according to positive and negative electrode grid in carbon gold horizon battery charge and discharge process not Same corrosion condition matches different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider it when weighing Erosion loss amount, melt in furnace is put into after the completion of ingredient;Then the casting of alloy sheets is carried out: before cast alloys liquid, mold Release agent should be coated, is warming up to 100~150 DEG C, then the aluminium alloy melted is cast in mold, is covered above aluminium alloy One layer of protection can inhibit the evaporation and scaling loss of aluminium alloy, after aluminium alloy solidification, natural cooling, demoulding, for use;Then Rolling calendering manufacture latten: thick alloy sheets are multiple through roll squeezer pressure rolling, laminate, and gauge of sheet is wanted according to grid Depending on asking;The grid that battery capacity is big, polar plate area is big is relatively thick, it is desirable that the thin plate being rolled into is also relatively thick;Production is just The alloy sheets of polar net grid are bigger than the thickness of the alloy sheets of cathode, and nipping process wants the consistency of running check upper and lower roll spacing, with Ensure that the thickness for the thin alloy sheets that roller is rolled into is uniform;Then cut seine aperture plate: the latten that roll-in is delayed is along width side To being modified, being cut, the width of alloy sheets is less than 30~40mm;Then it rushes tab: being wanted according to the size of grid art work sheet It asks, the wide screen aperture plate drawn will be cut and be cut into single mesh aperture plate;Alloy sheets extra on single mesh aperture plate band are washed out with punching machine, are stayed Tab out;Finally examine: hauling type grid should meet drawing requirement, should not there is disconnected muscle, crackle, slag inclusion;Tab portion answer it is smooth, no Hole is answered, quality, thickness should all meet the requirements;Examine qualified positive and negative electrode grid that should separate storage, storage is examined qualified Ying Pingfang when grid, stacking quantity and height should control, and the grid of bottom is avoided to be crushed out of shape.
Alloy of the present invention is fine and close, and high mechanical strength, flexibility is good, and corrosion resistance is strong;Seine legal system is cut to make grid and do not need Heavy grid mold, labor intensity decrease, and can save the funds of manufacture grid mold;Without secondary fusion alloy lead Ingot process can save mass energy;Seine process no waste mine is cut, the utilization rate of raw material is high, to improve production efficiency, drops Low production cost, solves the problems, such as existing carbon alloy horizon battery high production cost.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (4)

1. environmentally friendly carbon gold horizon battery grid production method, characterized by the following steps:
(1) configuration of alloy solution: according to different corrosion feelings of the positive and negative electrode grid in carbon gold horizon battery charge and discharge process Condition matches different grid alloy raw materials;Each component weighs accurate when ingredient, and component will consider its ablation damage when weighing Consumption, ingredient are put into melt in furnace after the completion;
(2) casting of alloy sheets: before cast alloys liquid, mold should coat release agent, be warming up to 100~150 DEG C, then will fusing Good aluminium alloy is cast in mold, and one layer of protection is covered above aluminium alloy, can inhibit the evaporation and scaling loss of aluminium alloy, to After aluminium alloy solidification, natural cooling, demoulding, for use;
(3) rolling calendering manufacture latten: thick alloy sheets are multiple through roll squeezer pressure rolling, laminate, gauge of sheet according to Depending on the requirement of grid;
(4) it cuts seine aperture plate: the latten that roll-in is delayed being modified in the width direction, is cut, the width of alloy sheets is small In 30~40mm;
(5) it rushes tab: being required according to the size of grid art work sheet, the wide screen aperture plate drawn will be cut and be cut into single mesh aperture plate; Alloy sheets extra on single mesh aperture plate band are washed out with punching machine, reserve tab;
(6) examine: hauling type grid should meet drawing requirement, should not there is disconnected muscle, crackle, slag inclusion;Tab portion answers smooth, should not have Hole, quality, thickness should all meet the requirements.
2. environmental protection carbon gold horizon battery grid production method according to claim 1, it is characterised in that: the step (3) The grid that middle battery capacity is big, polar plate area is big is relatively thick, it is desirable that the thin plate being rolled into is also relatively thick.
3. environmental protection carbon gold horizon battery grid production method according to claim 1, it is characterised in that: the step (3) The middle alloy sheets for making positive grid are bigger than the thickness of the alloy sheets of cathode, and nipping process wants running check upper and lower roll spacing Consistency, the thickness to ensure thin alloy sheets that roller is rolled into are uniform.
4. environmental protection carbon gold horizon battery grid production method according to claim 1, it is characterised in that: the step (6) Middle to examine qualified positive and negative electrode grid that separate storage, Ying Pingfang when qualified grid is examined in storage, stacks quantity and height is answered Control, avoids the grid of bottom from being crushed out of shape.
CN201711453694.4A 2017-12-28 2017-12-28 Environmentally friendly carbon gold horizon battery grid production method Pending CN109980236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711453694.4A CN109980236A (en) 2017-12-28 2017-12-28 Environmentally friendly carbon gold horizon battery grid production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711453694.4A CN109980236A (en) 2017-12-28 2017-12-28 Environmentally friendly carbon gold horizon battery grid production method

Publications (1)

Publication Number Publication Date
CN109980236A true CN109980236A (en) 2019-07-05

Family

ID=67074036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711453694.4A Pending CN109980236A (en) 2017-12-28 2017-12-28 Environmentally friendly carbon gold horizon battery grid production method

Country Status (1)

Country Link
CN (1) CN109980236A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1126378A (en) * 1995-01-06 1996-07-10 李尚泉 Grid and its prodn. technique
US5874186A (en) * 1991-03-26 1999-02-23 Gnb Technologies, Inc. Lead-acid cells and batteries
CN202004076U (en) * 2011-03-31 2011-10-05 松下蓄电池(沈阳)有限公司 Lead accumulator
CN104466121A (en) * 2013-09-25 2015-03-25 江苏金鼎汽车科技有限公司 Production process of plate grid
CN205666282U (en) * 2016-05-07 2016-10-26 保定安驰蓄电池制造有限公司 Side board ear draws in net grid
CN106532065A (en) * 2016-11-30 2017-03-22 天能电池(芜湖)有限公司 Process for manufacturing storage battery grid by net punching
CN106549160A (en) * 2015-09-18 2017-03-29 米泰克控股公司 Battery grid and manufacture method
CN106848138A (en) * 2017-02-23 2017-06-13 江苏永达电源股份有限公司 A kind of lead accumulator device and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5874186A (en) * 1991-03-26 1999-02-23 Gnb Technologies, Inc. Lead-acid cells and batteries
CN1126378A (en) * 1995-01-06 1996-07-10 李尚泉 Grid and its prodn. technique
CN202004076U (en) * 2011-03-31 2011-10-05 松下蓄电池(沈阳)有限公司 Lead accumulator
CN104466121A (en) * 2013-09-25 2015-03-25 江苏金鼎汽车科技有限公司 Production process of plate grid
CN106549160A (en) * 2015-09-18 2017-03-29 米泰克控股公司 Battery grid and manufacture method
CN205666282U (en) * 2016-05-07 2016-10-26 保定安驰蓄电池制造有限公司 Side board ear draws in net grid
CN106532065A (en) * 2016-11-30 2017-03-22 天能电池(芜湖)有限公司 Process for manufacturing storage battery grid by net punching
CN106848138A (en) * 2017-02-23 2017-06-13 江苏永达电源股份有限公司 A kind of lead accumulator device and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JEREMY LANNELONGUE等: "Electrochemistry of thin-plate lead-carbon batteries employing alternative current collectors", 《JOURNAL OF POWER SOURCES》 *
隗玉林等: "拉网式板栅的制造及常见故障", 《电池》 *

Similar Documents

Publication Publication Date Title
CN207368126U (en) The lithium ion battery of lithium is mended based on porous lithium metal
JP7418462B2 (en) Lithium ion battery, its manufacturing method and charging/discharging method
CN111554967B (en) All-solid-state battery and preparation method thereof
CN210489730U (en) Lithium ion battery negative pole piece roll-in device
CN114695968B (en) Lithium ion battery with NP ratio less than 1 and preparation method thereof
CN108735985A (en) Negative electrode material together, the cathode comprising the negative electrode material together and the all-solid-state lithium-ion secondary battery with the cathode
CN110246706A (en) A kind of pre-embedding lithium method of lithium-ion energy storage device
CN208819985U (en) Pole piece, electrode assembly and secondary cell
CN101159330A (en) Lead acid batteries electrode plate grid preparation method
CN105375034B (en) A kind of affluxion body in lithium ion batteries and preparation method thereof and a kind of lithium ion battery
CN110676518A (en) Method for preventing lithium precipitation of lithium ion battery cathode
CN109980158A (en) Long-cycle lithium secondary battery
CN106450487B (en) A kind of in-situ preparation method of lithium-sulfur cell structure
CN207368084U (en) Compound lithium an- ode piece
CN206961946U (en) A kind of accumulator without maintenance is with drawing in the net grid
CN104409729B (en) Method for doping graphene in lithium iron phosphate battery anode slurry
CN115763681A (en) Method and equipment for supplementing lithium to negative pole piece
CN107863488B (en) Preparation method of composite lithium metal negative plate and composite lithium metal negative plate
CN103259021A (en) Lead-acid storage battery pole plate and preparation method thereof
CN109980236A (en) Environmentally friendly carbon gold horizon battery grid production method
CN113540400B (en) Large-size cylindrical lithium ion secondary battery and positive and negative pole pieces thereof
CN208284580U (en) A kind of anti-deformation soft-package battery core
CN106785075A (en) A kind of in-situ preparation method of the lithium-sulfur cell based on graphite cathode
CN107452918B (en) Rare earth new power supply and preparation method thereof
CN110556532A (en) reticular lithium material and preparation method and application 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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190705