CN204834780U - Lead - lithium hybridization secondary cell - Google Patents
Lead - lithium hybridization secondary cell Download PDFInfo
- Publication number
- CN204834780U CN204834780U CN201520622597.3U CN201520622597U CN204834780U CN 204834780 U CN204834780 U CN 204834780U CN 201520622597 U CN201520622597 U CN 201520622597U CN 204834780 U CN204834780 U CN 204834780U
- Authority
- CN
- China
- Prior art keywords
- battery
- lead
- lithium
- plate
- negative
- 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.)
- Active
Links
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
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a lead - lithium hybridization secondary cell of environmental protection, safety, high energy is anodal and half lead acid battery by half lithium cell to do the negative pole, new battery structure system that adoption river system electrolyte lithium sulfate combines. A package assembly that the positive plate of this battery of, negative plate structure, the preparation of electrolyte, the design structure and the battery of capping is disclosed. The utility model discloses absorb lead acid battery and lithium ion battery's advantage separately, avoided two kinds of shortcomings that the battery exists. Environmental protection, safety, low consumption, high energy, long -life requirement have been reached.
Description
Technical field
The utility model relates to a kind of secondary cell.Especially a kind of lead-lithium battery.
Background technology
Lead acid accumulator technical maturity, high reliability, cost are lower, abundant raw material also 95% recoverable, are a kind of extremely successful products do not replaced in chemical power source.But because it uses H
2sO
4(as electrolyte) and plumbous (as electrode material), so contaminated environment, energy density is low simultaneously, too heavy.
Lithium ion battery due to its capacity large, the life-span is long, the few and environmental protection of self discharge and being favored; But because of its can not overcharge, temperature range narrow, cost is high, and produce more complicated, particularly electric liquid is inflammable organic solvent, collides, impacts, and electric liquid leakage can set off an explosion and burn, poor stability.
So existing secondary cell still needs constantly to improve.
Summary of the invention
In order to solve above-mentioned drawback, technical problem to be solved in the utility model is, provides the novel secondary battery of a kind of environmental protection, safety, high energy.In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of lead-lithium hybridization secondary cell, is characterized in that, device Li in the shell of this battery
2sO
4electrolyte, LiMn that the aqueous solution is formed
2o
4(lithium manganate having spinel structure) positive pole, pb/pbso
4negative pole, arranges dividing plate between positive pole and negative pole.
This battery is with acid accumulator negative pole lead---pb/pbso
4and lithium ion cell positive---spinel blend together without acid type chargeable battery.
Its operation principle is:
Negative reaction:
Positive pole reacts:
Cell reaction:
In technique scheme, the lithium ion series aqueous electrolyte of employing and lead accumulator H
2sO
4electrolyte property is close or similar.Preferably, described electrolyte adopts concentration to be the Li of 0.2 ~ 0.5mol/L
2sO
4the aqueous solution (namely contains Li in every aqueous solution
2sO
4weight be 26 grams ~ 54.969 grams).Negative pole lead wool manufacture, includes PbSO
4powder.Dividing plate can adopt polythene material.Shell can adopt ABS plastic.
Preferably, described battery battery pot shell, battery pot shell upper surface device battery fluid injection port lid and positive and negative terminals, battery pot shell is in-built puts Li
2sO
4electrolyte, LiMn that the aqueous solution is formed
2o
4positive plate and pb/pbso
4negative plate, positive plate is separated with negative plate polyethylene separator.
Preferably, described positive plate comprises the skeleton that stereotype or nickel plate or aluminium sheet are formed, full-filling bonding active material pastel on skeleton; Described negative plate comprises the double-deck lead wool be layered on grid, adds PbSO between double-deck lead wool
4powder.
The formula of described active material pastel as:
Formula 1: by weight: 87%LiMn
2o
4, 10% acetylene black, adopt 3%PVDF as binding agent, reconcile into paste with 1-METHYLPYRROLIDONE.
Formula 2: by weight: 75%LiMn
2o
4, 15% acetylene black, adopt 1%CMC and 9%PTFE as binding agent, reconcile into paste with ethanol.
The beneficial effects of the utility model are, the utility model is by lead-acid accumulator electrolyte H
2sO
4, the organic solvent rejecting that lithium-ion battery electrolytes is inflammable, uses the lithium sulfate aqueous solution instead, avoids the pollution of environment and because of collision, impact, leaks the blast and burning that cause.Greatly increase the fail safe of lithium ion battery.And lithium sulfate electrolyte has fabulous electrochemical properties.
The utility model can reduce 50% of the plumbous amount of manufacture lead acid accumulator consumption, and improves nearly 3 times of specific energy than former lead acid accumulator; Life 2-3 doubly; Use metal negative electrode (lead) to replace the lithium metal of lithium ion battery security difference, be a kind of propelling to lithium ion battery negative alloying (metallization) simultaneously.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is lead-lithium battery theory structure schematic diagram, wherein, and 10-positive pole, 20-dividing plate, 30-negative pole, 40-electrolyte; 50-shell;
Fig. 2 is specific embodiment lead-lithium battery structure schematic diagram, and wherein, 1-battery liquid-filling port lid, the positive and negative pole of 2-, 3-battery pot shell, 4-electrolyte (aqua), (positive plate fills the LiMn on lead pool to 5-pole plate
2o
4, negative plate is Pb/PbSO
4), 6-polyethylene separator;
Fig. 3 is lead-lithium battery volt-ampere curve figure (sweep speed 5mvs
-1).
Embodiment
See Fig. 2, reflect a kind of concrete structure of the present utility model, the manufacture of described lead-lithium hybridization secondary cell comprises the steps:
First step pole plate manufactures:
1) positive plate manufacture:
Formula 1: by weight: 87%LiMn
2o
4, 10% acetylene black, adopt 3%PVDF as binding agent, reconcile into paste with 1-METHYLPYRROLIDONE.
Formula 2: by weight: 75%LiMn
2o
4, 15% acetylene black, adopt 1%CMC and 9%PTFE as binding agent, reconcile into paste with ethanol.
Pastel is coated on stereotype or nickel plate, on aluminium sheet, preferred embodiments fills on stereotype, be convenient to assemble (welding), adopt stereotype as skeleton in this example, the process of stereotype ramming, increase rough surface, favorable activity material bonds, and is coated with after completing paste material, carries out roll-in, pressure is 10Mpa, dry after compacting active material (baking temperature 120 DEG C, drying time 12h).
2) negative plate manufacture: be layered on grid with lead wool, adds PbSO
4powder, more outer paving one deck lead wool, just become negative plate.
Second step: preparation electrolyte: get 54.9gLi
2sO
4be dissolved in 1 liter of pure water, add activating agent (Na as required
2sO
4or other), i.e. aqueous electrolyte.
3rd step: groove lid manufacture: can according to the size of battery pole plates and assembling pole plate the cell integrated size of how many sizings after die sinking compacting cell through lid.
4th step: assembled battery: polyethylene separator composition battery electrode group (welding) positive and negative pole plate being added outsourcing enters groove, adds a cover and seals, inject electric liquid.Obtain described lead-lithium hybridization secondary cell.
Above-mentioned lead-lithium battery voltage: see accompanying drawing 3-volt-ampere curve figure, from tracing analysis: Pb/PbSO
4corresponding to-0.6 ~-0.36V during redox reaction; LiMn
2o
4corresponding to 0.62 ~ 0.86V or 0.78 ~ 1 during redox reaction, also correspond to Li
2sO
4from LiMn in solution
2o
4the Li come
+the reaction of inlay/delamination
The performance of above-mentioned lead-lithium battery: battery charging ceiling voltage: 1.8V, lower than lead acid accumulator 2.4V, Duration (charge/discharge efficiency) 100%, higher than lead acid accumulator 85%, charge/discharge reliability is high, has extended cycle life, more than 10000 times can be reached in theory, Pb/PbSO
4reduction potential lower than hydrogen-evolution overpotential, LiMn
2o
4reduction potential lower than oxygen evolution potential, liberation of hydrogen does not analyse oxygen in principle, and this is the feature of the utility model lead-lithium battery without acid type rechargeable type.Because battery operating voltage is low, self discharge is very little, and irreversible capacity loss is little, and after 110 circulations, battery capacity decay is also less than 1%.Therefore capacity retention is excellent, and average discharge volt is 1.3V, this is because Li
+the reaction of inlay/delamination from LiMn
2o
4each different parts of main body entry/exit Li
+result.
The reversible capacity 128mAhg of battery under 1.3V current potential
-1, discharging current is 200mAg
-1, when charge/discharge current increase from 0.4,0.6,0.8,1.0,1.5,2.0 to 3.0Ag
-1time, battery capacity can reduce from 117.5,114.6,110.9,108.8,97.5,94.6 to 78.4Ag
-1, this is Pb/PbSO mainly
4too low dynamics of oxidation reduction, this is the key point of rechargeable type lead acid accumulator.
According to Pb/PbSO
4capacity 50% calculates (88mAhg
-1), LiMn
2o
4(128mAhg
-1), the energy of battery is close is 68whkg
-1, more much higher than lead-acid battery.
Due to PbSO
4, LiMn
2o
4two electrodes i.e. two half-cells all occur, than Z with solid phase form
n(zinc Z
n/ LiMn
2o
4, Z
n/ Na
xmnO
2) etc. assembled battery much better, such as Z
ncan dissolve, so PbSO
4, LiMn
2o
4arrange in pairs or groups very much rational lead-lithium without acid type chargeable battery (ARLBS).
To sum up, the utility model is set up at electrochemical theory, practical application is feasible, and absorbs the respective advantage of lead acid accumulator and lithium ion battery, eliminate the shortcoming of two kinds of batteries.Prove that property indices all substantially exceeds from the sample test of experiment, reaching the requirement of environmental protection, safety, low consumption, high energy, is a kind of very promising novel battery.
The above-mentioned implementation that the utility model describes is only to clearly the technical solution of the utility model is described, and can not be interpreted as and make any restriction to the utility model.The utility model has known multiple alternative or distortion in the art, under the prerequisite not departing from the utility model essential meaning, all falls into protection range of the present utility model.
Claims (3)
1. lead-lithium hybridization secondary cell, is characterized in that, device Li in the shell of this battery
2sO
4electrolyte, LiMn that the aqueous solution is formed
2o
4positive pole, pb/pbso
4negative pole, arranges dividing plate between positive pole and negative pole.
2. a kind of lead as claimed in claim 1-lithium hybridization secondary cell, it is characterized in that, described battery battery pot shell, battery pot shell upper surface device battery fluid injection port lid and positive and negative terminals, battery pot shell is in-built puts Li
2sO
4electrolyte, LiMn that the aqueous solution is formed
2o
4positive plate and pb/pbso
4negative plate, positive plate is separated with negative plate polyethylene separator.
3. a kind of lead as claimed in claim 2-lithium hybridization secondary cell, it is characterized in that, described positive plate comprises the skeleton that stereotype or nickel plate or aluminium sheet are formed, full-filling bonding active material pastel on skeleton; Described negative plate comprises the double-deck lead wool be layered on grid, adds PbSO between double-deck lead wool
4powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622597.3U CN204834780U (en) | 2015-08-18 | 2015-08-18 | Lead - lithium hybridization secondary cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622597.3U CN204834780U (en) | 2015-08-18 | 2015-08-18 | Lead - lithium hybridization secondary cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834780U true CN204834780U (en) | 2015-12-02 |
Family
ID=54692343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520622597.3U Active CN204834780U (en) | 2015-08-18 | 2015-08-18 | Lead - lithium hybridization secondary cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229463A (en) * | 2016-07-29 | 2016-12-14 | 天能电池集团有限公司 | A kind of aquo-lithium ion hybrid battery |
-
2015
- 2015-08-18 CN CN201520622597.3U patent/CN204834780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229463A (en) * | 2016-07-29 | 2016-12-14 | 天能电池集团有限公司 | A kind of aquo-lithium ion hybrid battery |
| CN106229463B (en) * | 2016-07-29 | 2019-04-16 | 天能电池集团有限公司 | A kind of aquo-lithium ion hybrid battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104779394A (en) | Aqueous lithium (sodium) ion battery mixed negative material | |
| CN102903917B (en) | Aqueous electrolyte rechargeable zinc ion battery | |
| CN104716391B (en) | A kind of water system Zinc ion single-fluid battery | |
| CN102479947B (en) | A kind of anode material for lithium-ion batteries and preparation method thereof and a kind of lithium ion battery | |
| CN101221853A (en) | Semi-solid state or full-solid state water system super capacitor | |
| CN202308155U (en) | High-security capacitor battery | |
| CN104362393A (en) | Rechargeable aqueous ion battery | |
| CN106784840A (en) | A kind of preparation method of the metal negative electrode protective layer with electro-chemical activity | |
| CN103427068B (en) | A kind of positive electrode and preparation method thereof for lithium-sulfur cell | |
| CN104347894A (en) | A sedimentary type aqueous lithium ion battery | |
| CN106532041A (en) | Sodium manganese fluosilicate positive electrode material for sodium ion battery and preparation method for sodium manganese fluosilicate positive electrode material | |
| CN101141010A (en) | High voltage power type lithium ion chargeable battery | |
| CN101262056A (en) | A water solution chargeable lithium ion battery | |
| CN102157753A (en) | Fast-charging high-power winding column type lithium ion battery | |
| CN104064824A (en) | Water system rechargeable battery | |
| CN108373902A (en) | A kind of solid state battery plastic encapsulant and its application | |
| CN104701521A (en) | Alkaline zinc-manganese reserve type secondary battery | |
| CN101262076A (en) | A water solution chargeable lithium battery | |
| CN106099179A (en) | A kind of fluid cell positive and negative electrode suspension electrolysis liquid and preparation method thereof | |
| CN103165918B (en) | Zinc and manganese reserve battery and manufacture method thereof | |
| CN102623689A (en) | Manufacture process for lithium ion battery negative pulp adopting lithium titanate material | |
| CN106920929A (en) | A kind of aquo-lithium ion battery mixing negative material | |
| CN113193240A (en) | Aqueous all-manganese secondary battery | |
| CN103904352B (en) | Zinc electrolyte for flow battery and preparation method thereof | |
| CN204834780U (en) | Lead - lithium hybridization secondary cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lithium-lead hybrid secondary battery Effective date of registration: 20170222 Granted publication date: 20151202 Pledgee: Bank of Changsha Limited by Share Ltd Liuyang branch Pledgor: Hu'nan Fengri Power and Electric Co., Ltd. Registration number: 2017430000008 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190301 Granted publication date: 20151202 Pledgee: Bank of Changsha Limited by Share Ltd Liuyang branch Pledgor: Hu'nan Fengri Power and Electric Co., Ltd. Registration number: 2017430000008 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lithium-lead hybrid secondary battery Effective date of registration: 20190318 Granted publication date: 20151202 Pledgee: Bank of Changsha Limited by Share Ltd Liuyang branch Pledgor: Hu'nan Fengri Power and Electric Co., Ltd. Registration number: 2019430000022 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201208 Granted publication date: 20151202 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: HUNAN FENGRI ELECTRIC GROUP Co.,Ltd. Registration number: 2019430000022 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lead lithium hybrid secondary battery Effective date of registration: 20201222 Granted publication date: 20151202 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: HUNAN FENGRI ELECTRIC GROUP Co.,Ltd. Registration number: Y2020430000042 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |