CN102881912A - Low-power-consumption pulse Li-MnO2 battery - Google Patents
Low-power-consumption pulse Li-MnO2 battery Download PDFInfo
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- CN102881912A CN102881912A CN2012103908974A CN201210390897A CN102881912A CN 102881912 A CN102881912 A CN 102881912A CN 2012103908974 A CN2012103908974 A CN 2012103908974A CN 201210390897 A CN201210390897 A CN 201210390897A CN 102881912 A CN102881912 A CN 102881912A
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Abstract
The invention relates to a low-power-consumption pulse Li-MnO2 battery comprising an anode, a cathode and a non-aqueous electrolyte solution, wherein the anode comprises an active discharging substances including manganese dioxide, graphite powder and acetylene black as well as a binding agent used for binding, wherein the mass ratio of the manganese dioxide to the graphite powder to the acetylene black to the binding agent is (85-90):(1-2):(4-5):(5-6); and the non-aqueous electrolyte solution is a mixed solution of LiClO4, PC (Poly Carbonate), DME (Di Methyl Ether) and DOL with the mass ratio of (3-5):(60-70):(10-20):(20-30). Through adjusting the formula of the anode discharging substances of the battery and improving the formula of electrolyte of the battery, the power output of the battery can be automatically controlled, and better discharging performance and longer discharging time can be displayed on an electric apparatus without power consumption control.
Description
Technical field
The present invention relates to a kind of battery, especially a kind of low-power consumption pulse lithium-manganese cell.
Background technology
In representative lithium battery, negative electrode active material uses lithium metal or its alloy, and positive active material uses the metal oxides such as manganese dioxide, and then contains organic bath.Organic bath generally contains nonaqueous solvents and solute.Nonaqueous solvents is such as using the high-k solvents, 1 such as propylene carbonate (PC), gamma-butyrolacton (GBL), the low boiling such as 2-dimethoxy-ethane (DME), 3-methyltetrahydrofuran (Me-THF) and low viscous solvent etc.Support that salt for example can use lithium perchlorate (LiClO
4), LiBF4 (LiBF
4) etc.
And conventional button type lithium-manganese battery is applicable to little current continuity discharge occasion.Because the development of the low-power consumption pulsed discharge utensils such as LED lamp has proposed Secretary to the discharge performance of battery, original battery initial stage discharge power in such consuming device is larger, but the large guiding discharge time of power consumption is partially short, and electrical appliance just quits work in the short period.
Summary of the invention
The technical problem to be solved in the present invention is: propose a kind of low-power-consumption pulse type button type lithium-manganese battery.
The technical solution adopted in the present invention is: a kind of low-power consumption pulse lithium-manganese cell, comprise positive pole, negative pole and non-aqueous electrolytic solution, the described binding agent that is just having discharge active material manganese dioxide, graphite powder, acetylene black and be used for bonding, wherein, manganese dioxide: graphite powder: acetylene black: the mass ratio of binding agent is 85～90:1～2:4～5:5～6; Described non-aqueous electrolytic solution is LiClO
4, PC, DME and DOL mixed solution, LiClO wherein
4: the mass ratio of PC:DME:DOL is 3～5:60～70:10～20:20～30.
Negative pole of the present invention contains and is selected from least a as negative electrode active material in lithium metal and the lithium alloy.
The invention has the beneficial effects as follows: by to the adjustment of the prescription of anode discharge active material and to the improvement of battery electrolyte prescription, battery can be by self power ratio control output, demonstrate preferably discharge performance at idle control electrical appliance, long discharge time.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the discharge curve of conventional button type lithium-manganese battery;
Fig. 2 is discharge curve of the present invention.
Embodiment
The present invention is further detailed explanation with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, conventional button type lithium-manganese battery CR2032 heavy current discharging time in early stage is longer, and battery is packed into, and be 48h～50h discharge time after the pulse discharge means.The curve of top is voltage/V curve among Fig. 1, and the curve of below is electric current/mA curve.
Discharge curve of the present invention as shown in Figure 2, the present invention is longer discharge time in little electric current section of middle and later periods.Can demonstrate preferably discharge performance at idle control electrical appliance by self power ratio control output, then surpass 120h long discharge time, and discharge time.The curve of top is voltage/V curve among Fig. 2, and the curve of below is electric current/mA curve.
Be elaborated below by specific embodiment:
Embodiment 1
A kind of low-power consumption pulse lithium-manganese cell, anodal discharge active material manganese dioxide: graphite powder: acetylene black: the mass ratio of binding agent is 90:1:4:5; Described non-aqueous electrolytic solution is LiClO
4, PC, DME and DOL mixed solution, LiClO wherein
4: the mass ratio of PC:DME:DOL is 5:65:10:20.
Negative pole is conventional negative electrode active material, does not do restriction herein.
Embodiment 2
A kind of low-power consumption pulse lithium-manganese cell, anodal discharge active material manganese dioxide: graphite powder: acetylene black: the mass ratio of binding agent is 87:2:5:6; Described non-aqueous electrolytic solution is LiClO
4, PC, DME and DOL mixed solution, LiClO wherein
4: the mass ratio of PC:DME:DOL is 5:60:10:25.
Negative pole is conventional negative electrode active material, does not do restriction herein.
Just the specific embodiment of the present invention of describing in the above specification, various not illustrating is construed as limiting flesh and blood of the present invention, the person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from essence of an invention and scope.
Claims (2)
1. low-power consumption pulse lithium-manganese cell, comprise positive pole, negative pole and non-aqueous electrolytic solution, it is characterized in that: the described binding agent that is just having discharge active material manganese dioxide, graphite powder, acetylene black and be used for bonding, wherein, manganese dioxide: graphite powder: acetylene black: the mass ratio of binding agent is 85～90:1～2:4～5:5～6; Described non-aqueous electrolytic solution is LiClO
4, PC, DME and DOL mixed solution, LiClO wherein
4: the mass ratio of PC:DME:DOL is 3～5:60～70:10～20:20～30.
2. low-power consumption pulse lithium-manganese cell as claimed in claim 1 is characterized in that: described negative pole contains and is selected from least a as negative electrode active material in lithium metal and the lithium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103908974A CN102881912A (en) | 2012-10-16 | 2012-10-16 | Low-power-consumption pulse Li-MnO2 battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103908974A CN102881912A (en) | 2012-10-16 | 2012-10-16 | Low-power-consumption pulse Li-MnO2 battery |
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| Publication Number | Publication Date |
|---|---|
| CN102881912A true CN102881912A (en) | 2013-01-16 |
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ID=47483160
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103908974A Pending CN102881912A (en) | 2012-10-16 | 2012-10-16 | Low-power-consumption pulse Li-MnO2 battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785592A (en) * | 2016-08-24 | 2018-03-09 | 常州安伊达电源科技有限公司 | A kind of low temperature resistant button type lithium-manganese battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09245785A (en) * | 1996-03-05 | 1997-09-19 | Matsushita Electric Ind Co Ltd | Battery and manufacture of manganese oxide for battery |
| CN1564358A (en) * | 2004-04-22 | 2005-01-12 | 天津大学 | Syringe type Li-Mn battery and mfg. thereof |
| CN1933218A (en) * | 2006-08-16 | 2007-03-21 | 广州微宏电源科技有限公司 | Modified processing method of electrolytic manganese bioxide for lithium battery |
-
2012
- 2012-10-16 CN CN2012103908974A patent/CN102881912A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09245785A (en) * | 1996-03-05 | 1997-09-19 | Matsushita Electric Ind Co Ltd | Battery and manufacture of manganese oxide for battery |
| CN1564358A (en) * | 2004-04-22 | 2005-01-12 | 天津大学 | Syringe type Li-Mn battery and mfg. thereof |
| CN1933218A (en) * | 2006-08-16 | 2007-03-21 | 广州微宏电源科技有限公司 | Modified processing method of electrolytic manganese bioxide for lithium battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785592A (en) * | 2016-08-24 | 2018-03-09 | 常州安伊达电源科技有限公司 | A kind of low temperature resistant button type lithium-manganese battery |
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Application publication date: 20130116 |