CN208028195U - A kind of combined system of disposable lithium-battery and serondary lithium battery - Google Patents
A kind of combined system of disposable lithium-battery and serondary lithium battery Download PDFInfo
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- CN208028195U CN208028195U CN201721591172.6U CN201721591172U CN208028195U CN 208028195 U CN208028195 U CN 208028195U CN 201721591172 U CN201721591172 U CN 201721591172U CN 208028195 U CN208028195 U CN 208028195U
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- lithium
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- disposable
- lithium battery
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- 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
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Abstract
The utility model discloses the combined systems of a kind of disposable lithium-battery and serondary lithium battery, including the primary lithium battery pack being connected in parallel and serondary lithium battery group, the primary lithium battery pack is formed by multiple disposable lithium-batteries by series, parallel or series-parallel connection, and the serondary lithium battery group is formed by multiple serondary lithium batteries by series connection.The utility model is obviously improved in performance characteristics such as invariable power electric discharge, highpowerpulse electric discharge and service lifes, to be required in high and pulse high power discharge electrical equipment suitable for specific energy density.
Description
Technical field
The utility model is related to a kind of different electrochemical system battery combination systems, and in particular to a kind of disposable lithium-battery with
The combined system of serondary lithium battery, it is mainly used in that the specific energy densities such as smart card meter requirements is high and pulse high power discharge
Electricity consumption Military and civil fields.
Background technology
For disposable lithium-battery (i.e. lithium primary cell) since its specific energy density is high (reaching as high as 600Wh/kg), discharge voltage is flat
Surely, open-circuit voltage is high (3.67V), and under 20 DEG C ± 2 DEG C of condition of storage, average annual self-discharge rate is less than 1%, in suitable storage
Storage life was widely applied to smart card meter (water, electricity, gas table), computer Power Support, doctor up to 10 years under environment
It treats in instrument, wireless telecommunications, oil drilling, hand-held communialtion equipment, scientific research apparatus and military equipment.
Serondary lithium battery (i.e. lithium ion battery) due to discharge-rate big (reaching as high as 30C electric discharges), operating voltage is high, fills
The advantages that electric speed is fast, use temperature range is wide and self discharge is small, is used in more and more on military-civil equipment.
But as the continuous improvement of tactical and technical norms is equipped in electricity consumption, active service disposable lithium-battery discharge-rate (is less than
0.05C) and lithium ion battery specific energy density (170Wh/kg) etc. is difficult to meet the requirements, and seriously constrains equipment technology and refers to
Target further increases.It is therefore proposed that a kind of requiring high and energy impulse high power discharge assembled battery with specific energy density
It is necessary.
Utility model content
It is insufficient existing for disposable lithium-battery in the prior art and serondary lithium battery in order to overcome, it is to be solved in the utility model
Technical problem is to provide a kind of combined system of disposable lithium-battery and serondary lithium battery, compared to pure disposable lithium-battery or secondary
Lithium battery, it is obviously improved in terms of invariable power discharges, highpowerpulse discharges and the performance characteristics such as service life.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of combined system of disposable lithium-battery and serondary lithium battery, including the primary lithium battery pack that is connected in parallel and secondary
Lithium battery group, the primary lithium battery pack are formed by multiple disposable lithium-batteries by series, parallel or series-parallel connection, the secondary lithium
Battery pack is formed by multiple serondary lithium batteries by series connection.
According to the above technical scheme, it is provided with current-limiting resistance between the disposable lithium-battery and serondary lithium battery.
According to the above technical scheme, the nominal capacity of the serondary lithium battery be disposable lithium-battery nominal capacity 1%~
40%.
According to the above technical scheme, the nominal capacity of the serondary lithium battery be disposable lithium-battery nominal capacity 2%~
15%.
According to the above technical scheme, the disposable lithium-battery is lithium-thionyl chloride battery.
According to the above technical scheme, the nominal voltage of the disposable lithium-battery is 3.6V.
According to the above technical scheme, the serondary lithium battery be with cobalt acid lithium or nickle cobalt lithium manganate be anode lithium-ion electric
Pond.
According to the above technical scheme, serondary lithium battery 10%SOC~60%SOC charge/discharge state DC internal resistance is more than one
Secondary lithium battery 10%SOC~100%SOC electric discharges state internal resistance.
The utility model has the advantages that：The utility model exists disposable lithium-battery and serondary lithium battery combination
It is used together, primary lithium battery pack carries out constant current to serondary lithium battery group or constant voltage mode charges, and makes the combined system in big electricity
It flows in pulsed discharge test, the high current pulsed discharge of the pure primary lithium battery pack of average power ratio of high current pulsed discharge is put down
Equal power is higher by very much, and specific energy density is more many than being higher by for pure serondary lithium battery group.Since disposable lithium-battery ceiling voltage is
3.67V, therefore the ceiling voltage after serondary lithium battery charging complete is 3.67V, the corresponding capacity of the voltage is serondary lithium battery
10%SOC -60%SOC of rated capacity, serondary lithium battery carry out charge and discharge under this capacity, and cycle life is up to 10,000
More than secondary.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structural schematic diagram of the utility model first embodiment；
Fig. 2 is the structural schematic diagram of the utility model second embodiment；
Fig. 3 is the structural schematic diagram of the utility model 3rd embodiment
Fig. 4 is that disposable lithium-battery is electric with work in 10mA continuous discharge situation discharge capacities in the utility model embodiment
It buckles line chart；
Fig. 5 is that serondary lithium battery 280mA discharge scenario lower discharge times and operating voltage are bent in the utility model embodiment
Line chart；
Fig. 6 is serondary lithium battery AC internal Resistance variation diagram under different SOC states in the utility model embodiment；
Fig. 7 is serondary lithium battery charging current in the case where disposable lithium-battery continues charging situation in the utility model embodiment
Situation of change curve graph；
Fig. 8 is the discharge curve comparison diagram of the utility model and pure serondary lithium battery module in same current (80mA)；
Fig. 9 is the 280mA high current pulsed discharge curve comparison figures of the utility model and single secondary lithium battery module.
In figure：1- disposable lithium-batteries, 2- serondary lithium batteries, 3- current-limiting resistances.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
In the preferred embodiment of the utility model, as shown in Figure 1 and Figure 2, a kind of disposable lithium-battery and serondary lithium battery
Combined system, including the primary lithium battery pack and serondary lithium battery group that are connected in parallel, primary lithium battery pack is by multiple lithium electricity
Pond 1 is formed by series, parallel or series-parallel connection, and serondary lithium battery group is formed by multiple serondary lithium batteries 2 by series connection.Such as Fig. 3
It is shown, according to the discharge performance of disposable lithium-battery and internal resistance situation, current limiting is set between disposable lithium-battery and serondary lithium battery
Resistance 3.
In the preferred embodiment of the utility model, the nominal capacity of serondary lithium battery is disposable lithium-battery nominal capacity
1%~40%.
In the preferred embodiment of the utility model, the nominal capacity of serondary lithium battery is disposable lithium-battery nominal capacity
When 2%~15%, best results.The utility model is in high current pulsed discharge test, when lithium ion battery nominal capacity accounts for
Lithium primary cell nominal capacity 7% when, the high current arteries and veins of the pure primary lithium battery pack of average power ratio of high current pulsed discharge
The mean power of impulse electricity is higher by 250% or more, and specific energy density is higher by 50% or more than pure serondary lithium battery group, secondary
Lithium battery cycle life is up to 10,000 times or more.
In the preferred embodiment of the utility model, disposable lithium-battery is the other lithium primary cells of lithium-thionyl chloride battery.
In the preferred embodiment of the utility model, the nominal voltage of disposable lithium-battery is 3.6V.
In the preferred embodiment of the utility model, serondary lithium battery be with cobalt acid lithium or nickle cobalt lithium manganate be anode lithium
The lithium ion battery of ion battery or other different positive electrodes.
In the preferred embodiment of the utility model, DC internal resistance of the serondary lithium battery under different SOC states includes filling
The charge and discharge DC internal resistance of electric state DC internal resistance and electric discharge state DC internal resistance, disposable lithium-battery and serondary lithium battery meets：It is secondary
Lithium battery 10%SOC~60%SOC charge/discharge state DC internal resistances are more than disposable lithium-battery 10%SOC~100%SOC electric discharge states
Internal resistance.
As shown in Figure 1, the first embodiment of the utility model includes serondary lithium battery ICR1520 [production firms：In Wuhan
Former the Changjiang river development in science and technology Co., Ltd, capacity are 85mAh (charging to 4.2V), weight 8g] and disposable lithium-battery ER14250
(production firm：Wuhan Zhongyuan Changjiang Technology Development Co., Ltd., nominal capacity 1200mAh, weight 10g), secondary lithium electricity
Pond is connected in parallel with disposable lithium-battery.
By Fig. 4-Fig. 9 data provided it is found that under identical testing scheme, test equipment, test environment conditions, this reality
With novel invariable power discharge time 100% is had more than pure serondary lithium battery invariable power discharge time；The utility model energy density
It is higher by 572% than pure serondary lithium battery specific energy density；The average discharge power of the utility model increases than pure primary lithium battery pack
Add 250%；In the loop test of 100%DOD states, the serondary lithium battery cycle life in the utility model is up to 10,000
More than secondary, test data is shown in Table 1.
Table 1
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (8)
1. the combined system of a kind of disposable lithium-battery and serondary lithium battery, which is characterized in that including a lithium electricity being connected in parallel
Pond group and serondary lithium battery group, the primary lithium battery pack are formed by multiple disposable lithium-batteries by series, parallel or series-parallel connection,
The serondary lithium battery group is formed by multiple serondary lithium batteries by series connection.
2. the combined system of disposable lithium-battery according to claim 1 and serondary lithium battery, which is characterized in that described primary
Current-limiting resistance is provided between lithium battery and serondary lithium battery.
3. the combined system of disposable lithium-battery according to claim 1 and serondary lithium battery, which is characterized in that described secondary
The nominal capacity of lithium battery is the 1%~40% of disposable lithium-battery nominal capacity.
4. the combined system of disposable lithium-battery according to claim 3 and serondary lithium battery, which is characterized in that described secondary
The nominal capacity of lithium battery is the 2%~15% of disposable lithium-battery nominal capacity.
5. the combined system of disposable lithium-battery according to claim 1 and serondary lithium battery, which is characterized in that described primary
Lithium battery is lithium-thionyl chloride battery.
6. the combined system of disposable lithium-battery according to claim 1 and serondary lithium battery, which is characterized in that described primary
The nominal voltage of lithium battery is 3.6V.
7. the combined system of disposable lithium-battery according to claim 1 and serondary lithium battery, which is characterized in that described secondary
Lithium battery be with cobalt acid lithium or nickle cobalt lithium manganate be anode lithium ion battery.
8. the combined system of disposable lithium-battery according to claim 1 and serondary lithium battery, which is characterized in that described secondary
Lithium battery 10%SOC~60%SOC charge/discharge state DC internal resistances are more than disposable lithium-battery 10%SOC~100%SOC electric discharge states
Internal resistance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721591172.6U CN208028195U (en) | 2017-11-24 | 2017-11-24 | A kind of combined system of disposable lithium-battery and serondary lithium battery |
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| CN201721591172.6U CN208028195U (en) | 2017-11-24 | 2017-11-24 | A kind of combined system of disposable lithium-battery and serondary lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640161A (en) * | 2022-05-11 | 2022-06-17 | 山东科技大学 | Power supply system and control method for marine equipment |
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2017
- 2017-11-24 CN CN201721591172.6U patent/CN208028195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640161A (en) * | 2022-05-11 | 2022-06-17 | 山东科技大学 | Power supply system and control method for marine equipment |
| CN114640161B (en) * | 2022-05-11 | 2022-08-09 | 山东科技大学 | Power supply system and control method for marine equipment |
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