CN109883512A - Soft-package battery gas production measurement method and soft-package battery gas production measuring device - Google Patents
Soft-package battery gas production measurement method and soft-package battery gas production measuring device Download PDFInfo
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- CN109883512A CN109883512A CN201910153466.8A CN201910153466A CN109883512A CN 109883512 A CN109883512 A CN 109883512A CN 201910153466 A CN201910153466 A CN 201910153466A CN 109883512 A CN109883512 A CN 109883512A
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Abstract
The invention discloses a kind of soft-package battery gas production measurement methods and soft-package battery gas production measuring device.The soft-package battery gas production measurement method is the following steps are included: A) in liquid that the first object being combined together and the soft-package battery for not producing gas are immersed into liquid container, measure the mass M 1 for the liquid that they are arranged；And B) the second object being combined together and the soft-package battery for producing gas are immersed into the liquid, measure the mass M 2 for the liquid that they are arranged, the liquid level of liquid and the upper edge of liquid container are spaced pre-determined distance to prevent liquid overflowing liquid container, the quality for the liquid that first and second objects arrange is M3 and M4, volume V1=(M1-M3)/ρ of the soft-package battery of gas is not produced, produce volume V2=(M2-M4)/ρ of the soft-package battery of gas, the gas production V=V2-V1, ρ of soft-package battery are the density of liquid.The measurement method has many advantages, such as that measurement accuracy is high, reproducible, stability is good, easy to operate, measurement efficiency is high, without using professional equipment.
Description
Technical field
The present invention relates to field of batteries, and in particular, to soft-package battery gas production measurement method further relates to soft-package battery production
Measuring device for gas.
Background technique
Currently, soft-package battery has been widely used for various portable electronic products, electric tool, electric car and energy storage
System.Requirement with market to energy density is higher and higher, and high-nickel material is gradually pushed into market.
The study found that, as nickel content improves, the content of tetravalence nickel increases in material for anode material nickel cobalt manganic acid lithium
Add, gas production changes very greatly.In addition, for negative electrode material silica there is also gas production the problem of.
Currently, the measurement method of soft-package battery is drainage, but that there are measurement errors is big, repeatability is low lacks for drainage
It falls into.When measurement result is unstable, measurement, wasting manpower and material resources can only be re-started.
Summary of the invention
It is of the existing technology the purpose of the invention is to overcome the problems, such as, provide soft-package battery gas production measurement method and
Soft-package battery gas production measuring device.
To achieve the goals above, first aspect present invention provides a kind of soft-package battery gas production measurement method, described soft
Packet battery producing gas measuring method is the following steps are included: A) the first object being combined together and the soft-package battery for not producing gas are soaked
It is less than in the liquid in liquid container, the liquid that measurement first object and the soft-package battery for not producing gas arrange
Mass M 1；And B) soft-package battery is made to produce gas, the second object being combined together and the soft-package battery for producing gas are submerged
In the liquid in the liquid container, measures second object and produce the liquid that the soft-package battery of gas arranges
The mass M 2 of body, wherein the upper edge of the liquid level of the liquid and the liquid container is spaced pre-determined distance to prevent the liquid
The liquid container is overflowed, the quality for the liquid that first object arranges is M3, and second object arranges described
The quality of liquid is M4, does not produce volume V1=(M1-M3)/ρ of the soft-package battery of gas, produces the body of the soft-package battery of gas
Product V2=(M2-M4)/ρ, the gas production V=V2-V1, ρ of the soft-package battery are the density of the liquid.
Soft-package battery gas production measurement method according to an embodiment of the present invention has measurement accuracy high, reproducible, stable
The good advantage of property.
Preferably, first object is measured under preset temperature and does not produce the liquid that the soft-package battery of gas arranges
The mass M 1 of body measures second object under the preset temperature and produces the liquid that the soft-package battery of gas arranges
Mass M 2, it is preferable that the preset temperature be the soft-package battery operating temperature or place temperature.
Preferably, first object and second object are same object, the gas production V=of the soft-package battery
(M2-M1)/ρ。
Preferably, the soft-package battery gas production measurement method is the following steps are included: A-1) institute of the liquid will be filled
It states liquid container and is placed on weighing and deserve to be called, make the temperature preset temperature of the liquid, then return to zero to weighing title；
It A-2 will be) that the battery case for having rope is immersed into the liquid, the battery case has liquid-passing hole, does not produce the described of gas
Soft-package battery is contained in the battery case and is immersed in the liquid not produce the soft-package battery of gas, wherein passing through
The rope pulls the battery case to prevent the battery case from contacting the wall surface of the liquid container, described upwards
The temperature of liquid be the preset temperature under conditions of, the measurement battery case and do not produce the soft-package battery of gas and arrange
The mass M 1 of the liquid；And B) soft-package battery is made to produce gas, the battery case is immersed into the liquid, gas is produced
The soft-package battery is contained in the battery case and is immersed in the liquid to produce the soft-package battery of gas, wherein leading to
It crosses the rope and pulls the battery case upwards to prevent the battery case from contacting the wall surface of the liquid container, in institute
State liquid temperature be the preset temperature under conditions of, the measurement battery case and produce the soft-package battery of gas and arrange
The mass M 2 of the liquid, gas production V=(M2-M1)/ρ of the soft-package battery.
Preferably, in the step A-2) and the step B) in, the part of the rope being immersed in the liquid
Equal length, it is preferable that the battery case be caged.
Preferably, first object and second object are different objects.
Preferably, the soft-package battery gas production measurement method is the following steps are included: A-1) institute of the liquid will be filled
It states liquid container and is placed on weighing and deserve to be called, make the temperature preset temperature of the liquid, then return to zero to weighing title；
It A-2) will be to there is the first battery case of rope to be immersed into the liquid, first battery case has liquid-passing hole, passes through
The rope pulls first battery case upwards to prevent first battery case from contacting the wall of the liquid container
Face, wherein under conditions of the temperature of the liquid is the preset temperature, described in measurement first battery case arranges
The mass M 3 of liquid；A-3) first battery case is immersed into the liquid, the soft-package battery for not producing gas accommodates
So that the soft-package battery for not producing gas is immersed in the liquid in first battery case, wherein passing through the rope
First battery case is pulled upwards to prevent first battery case from contacting the wall surface of the liquid container, described
The temperature of liquid be the preset temperature under conditions of, measurement first battery case and the soft-package battery row for not producing gas
The mass M 1 for the liquid opened；It B-1) will be to there is the second battery case of rope to be immersed into the liquid, second electricity
Pool capacity device has liquid-passing hole, pulls second battery case upwards by the rope to prevent second battery case
The wall surface of the liquid container is contacted, wherein under conditions of the temperature of the liquid is the preset temperature, measurement described the
The mass M 4 for the liquid that two battery cases arrange；And B-2) soft-package battery is made to produce gas, by second battery case
It is immersed into the liquid, the soft-package battery for producing gas is contained in the Soft Roll that gas is produced in second battery case
Battery is immersed in the liquid, wherein pulling second battery case upwards by the rope to prevent described second
Battery case contacts the wall surface of the liquid container, under conditions of the temperature of the liquid is the preset temperature, measurement institute
It states the second battery case and produces the mass M 2 of the liquid that the soft-package battery of gas arranges, the gas production of the soft-package battery
V=(M2-M4-M1+M3)/ρ.
Preferably, in the step A-2), the step A-3), the step B-1) and the step B-2) in, it is described
The equal length for the part of rope being immersed in the liquid, it is preferable that first battery case be caged, described second
Battery case is caged.
Second aspect of the present invention provides soft-package battery gas production measuring device, the soft-package battery gas production measuring device packet
It includes: weighing；Liquid container, the liquid container can be placed on it is described deserve to be called, the liquid container have accommodate
Chamber；The first object for cooperating with soft-package battery；With the second object for cooperating with soft-package battery.
Soft-package battery gas production measuring device according to an embodiment of the present invention has measurement accuracy high, reproducible, stable
The good advantage of property.
Preferably, the soft-package battery gas production measuring device further comprises: bracket；And rope, the of the rope
One end can be connected with the bracket, the second end of the rope can selectively with first object and the second object
Each of body is connected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of soft-package battery gas production measuring device according to an embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the embodiment of description is exemplary, it is intended to for explaining this
Invention, and be not considered as limiting the invention.
According to the present invention embodiment soft-package battery gas production measurement method the following steps are included:
A) in the liquid that the first object being combined together and the soft-package battery for not producing gas are immersed into liquid container.It surveys
It measures first object and does not produce the mass M 1 for the liquid that the soft-package battery of gas arranges.
B so that the soft-package battery is produced gas, the second object being combined together and the soft-package battery for producing gas are immersed into the liquid
In the liquid in body container.It measures second object and produces the mass M 2 of the liquid that the soft-package battery of gas arranges.
Wherein, the upper edge interval pre-determined distance of the liquid level of the liquid and the liquid container, should to prevent the liquid from overflowing
Liquid container.That is, no matter first object being combined together and the soft-package battery for not producing gas be immersed into the liquid
In body, or by second object being combined together and produce gas the soft-package battery be immersed into the liquid, will not result in
The liquid overflows the liquid container.
The quality for the liquid that first object arranges is M3, and the quality for the liquid which arranges is M4.Not
Volume V1=(the M1-M3)/ρ for producing the soft-package battery of gas produces volume V2=(M2-M4)/ρ of the soft-package battery of gas, and ρ is should
The density of liquid.The gas production V=V2-V1 of the soft-package battery, i.e. gas production V=(M2-M4-M1+M3)/ρ of the soft-package battery.
Below by taking first object as an example, the meaning of term " submergence " is explained.The submergence refers to: the entire first object position
In the liquid, i.e., the liquid floods entire first object.In other words, when first object is immersed into being somebody's turn to do in liquid container
When in liquid, any one part of first object, any one point do not expose (stretching) liquid (liquid level).
In drainage, the volume for immersing the soft-package battery of liquid is equal to according to the volume of the liquid of discharge, passes through measurement
The volume of the liquid of discharge, come obtain immersing liquid soft-package battery volume, and then obtain the gas production of soft-package battery.But
Due to the influence of surface tension of liquid, lead to the volume of the volume of the liquid of discharge and the soft-package battery not equal to immersion liquid,
Have the defects that measurement error is big, repeatability is low so as to cause existing drainage.
Soft-package battery gas production measurement method according to an embodiment of the present invention pass through by first object, second object and
The liquid that the soft-package battery arranges stays in the liquid container, that is, the liquid arranged remains in measuring system, so as to
The defect for causing measurement error big because of surface tension of liquid is eliminated, so as to greatly improve the accuracy and repetition of measurement
Property.Therefore without measurement is re-started, so as to improve measurement efficiency, use manpower and material resources sparingly.
Since the buoyancy F that the soft-package battery being immersed in the liquid the is subject to size floated is equal to the liquid that the soft-package battery arranges
The row of gravity G suffered by body, therefore volume V1=(M1-M3)/ρ of the soft-package battery of gas is not produced, produce the soft-package battery of gas
Volume V2=(M2-M4)/ρ.
Moreover, because being remained in measuring system by the liquid that the soft-package battery arranges, therefore this partially liq belongs to increasing
The part added, therefore can use minusing, increase the quality of part by directly reading, and obtain being arranged by the soft-package battery
Liquid quality.Thus it not only can greatly simplify measuring process, but also measurement error can be further decreased, improve and survey
Measure stability.
Therefore, soft-package battery gas production measurement method according to an embodiment of the present invention have measurement accuracy it is high, it is reproducible,
Stability is good, easy to operate, measurement efficiency is high, without using professional equipment the advantages that.
Table 1 be utilized respectively soft-package battery gas production measurement method according to an embodiment of the present invention and existing drainage,
The data of the gas production of the soft-package battery of measurement.Wherein, all to measure under conditions of the temperature of liquid is 45 degrees Celsius
It carries out.
The data of the gas production of 1 soft-package battery of table
As shown in Table 1, the stability of soft-package battery gas production measurement method according to an embodiment of the present invention is significantly larger than existing
The stability of some drainages.
In one embodiment of the invention, first object and second object are same object.At this point, first object
The mass M 3 for the liquid that body arranges is equal to the mass M 4 for the liquid that second object arranges, therefore the production gas of the soft-package battery
Measure V=(M2-M1)/ρ.
Wherein, it does not produce first object and the soft-package battery of gas and is combined together and by second object and production
The soft-package battery of gas is combined together, and can be floated to avoid the soft-package battery for not producing gas and the soft-package battery for producing gas
Come, so as to ensure the accuracy measured.
Specifically, it the soft-package battery of gas can not produced first object and is held together, by second object and production
The soft-package battery of gas is held together.In addition, first object and second object can have for accommodating the soft-package battery
Accommodation space, measurement when, do not produce gas the soft-package battery can be located at first object accommodation space in, produce gas should
Soft-package battery can be located in the accommodation space of second object.
In a specific example of the invention, first object and second object are same object and can be electricity
Pool capacity device, the soft-package battery gas production measurement method may comprise steps of:
A-1 the liquid container for filling the liquid) is placed on weighing to deserve to be called, makes the temperature preset temperature of the liquid,
Then the weighing is claimed to return to zero.Wherein, the upper edge interval pre-determined distance of the liquid level of the liquid and the liquid container, to prevent
Only in measurement, the liquid overflows the liquid container.
It A-2 will be) that the battery case for having rope is immersed into the liquid, which has liquid-passing hole, does not produce gas
The soft-package battery is contained in the battery case, is immersed in the liquid not produce the soft-package battery of gas.Due to the battery
Container has liquid-passing hole, therefore the liquid can enter in the accommodation space of the battery case, is thus located at the battery case
Accommodation space in the soft-package battery for not producing gas can arrange the liquid.
Wherein, which is pulled by the rope upwards to prevent the battery case from contacting the wall of the liquid container
Face.It is possible thereby to eliminate because the battery case touch the liquid container wall surface, due to caused by measurement error is big, measurement efficiency is low
The problems such as.
Under conditions of the temperature of the liquid is the preset temperature, measures the battery case and do not produce the soft-package battery of gas
The mass M 1 of the liquid arranged.
B so that the soft-package battery is produced gas, which is immersed into the liquid, the soft-package battery for producing gas is contained in
It is immersed in the liquid in the battery case to produce the soft-package battery of gas.Wherein, which is pulled by the rope upwards
Container is to prevent the battery case from contacting the wall surface of the liquid container.In the condition that the temperature of the liquid is the preset temperature
Under, it measures the battery case and produces the mass M 2 of the liquid that the soft-package battery of gas arranges.The gas production V=of the soft-package battery
(M2-M1)/ρ。
Preferably, which can be caged.It is further preferred that the battery case can be metal cage.It can be
The step A-2) later and/or in the step B) before, which is claimed to return to zero, to further increase measurement
Accuracy.
In the step A-2) and the step B) in, the equal length for the part of the rope being immersed in the liquid.Thus
Influence of the rope to the quality of the liquid arranged can be eliminated, so as to further increase the accuracy, steady of measurement
It is qualitative and repeated.
In another embodiment of the present invention, first object and second object are different objects.At this point, this
The mass M 3 for the liquid that one object arranges is not equal to the mass M 4 for the liquid that second object arranges, therefore the soft-package battery
Gas production V=(M2-M4-M1+M3)/ρ.
In another specific example of the invention, first object and second object are different objects, this first
Object can be the first battery case, which can be the second battery case, the soft-package battery gas production measurement method
It may comprise steps of:
A-1 the liquid container for filling the liquid) is placed on weighing to deserve to be called, makes the temperature preset temperature of the liquid,
Then the weighing is claimed to return to zero.Wherein, the upper edge interval pre-determined distance of the liquid level of the liquid and the liquid container, to prevent
Only in measurement, the liquid overflows the liquid container.
It A-2) will be to there is the first battery case of rope to be immersed into the liquid, which has liquid-passing hole.
First battery case is pulled upwards by the rope, to prevent first battery case from contacting the wall surface of the liquid container.
Wherein, under conditions of the temperature of the liquid is the preset temperature, the quality for the liquid that first battery case arranges is measured
M3。
A-3) first battery case is immersed into the liquid, the soft-package battery for not producing gas is contained in first battery
It is immersed in the liquid in container not produce the soft-package battery of gas.As described above, being located at the receiving of first battery case
Soft-package battery for not producing gas in space can arrange the liquid.
Wherein, which is pulled by the rope upwards to prevent first battery case from contacting the liquid
Wall of a container face.Under conditions of the temperature of the liquid is the preset temperature, measures first battery case and do not produce being somebody's turn to do for gas
The mass M 1 for the liquid that soft-package battery arranges.
It B-1) will be to there is the second battery case of rope to be immersed into the liquid, which has liquid-passing hole.
Second battery case is pulled upwards by the rope, to prevent second battery case from contacting the wall surface of the liquid container.
Wherein, under conditions of the temperature of the liquid is the preset temperature, the quality for the liquid that second battery case arranges is measured
M4。
B-2 so that the soft-package battery is produced gas, which is immersed into the liquid, the soft-package battery of gas is produced
It is contained in second battery case, is immersed in the liquid to produce the soft-package battery of gas.As described above, be located at this second
The soft-package battery of production gas in the accommodation space of battery case can arrange the liquid.
Wherein, which is pulled by the rope upwards to prevent second battery case from contacting the liquid
Wall of a container face.Under conditions of the temperature of the liquid is the preset temperature, measure second battery case and produce gas this is soft
The mass M 2 for the liquid that packet battery arranges.Gas production V=(M2-M4-M1+M3)/ρ of the soft-package battery.
Preferably, first battery case and second battery case can be caged.It is further preferred that first electricity
Pool capacity device and second battery case can be metal cages.
In the step A-2), the step A-3), the step B-1) and the step B-2) in, which is immersed in the liquid
In part equal length.It is possible thereby to eliminate influence of the rope to the quality of the liquid arranged, so as into
One step improves accuracy, stability and the repeatability of measurement.
Can be in the step A-2) later and/or in the step A-3) before, which is claimed to return to zero, so as to
Further increase the accuracy of measurement.Can be in the step A-3) later and/or in the step B-1) before, to the weighing
Title returns to zero, to further increase the accuracy of measurement.Can be in the step B-1) later and/or in the step B-
2) before, which is claimed to return to zero, to further increase the accuracy of measurement.
Due to it is above-mentioned it is all measurement and the weighing is claimed to return to zero, be all the liquid temperature be the preset temperature
Under conditions of carry out, therefore ρ is fixed value, and the numerical value of ρ can be obtained by the preset temperature, so as to more convenient
Ground, the gas production V for more easily obtaining the soft-package battery.
Moreover, being produced by carrying out above-mentioned all measurements at the same temperature so as to eliminate temperature to the soft-package battery
The influence of the volume of raw gas, it is possible thereby to further increase the repeatability and stability of measurement.
Preferably, which is the operating temperature or placement temperature of the soft-package battery.The work temperature of the soft-package battery
Degree refers to: in the soft-package battery high temperature circulation, the temperature of the soft-package battery.The placement temperature of the soft-package battery refers to: in height
When gentle storage soft-package battery, the temperature of the soft-package battery.The soft-package battery can produce at a temperature of the operating temperature or the placement
Angry body.
It is possible thereby to make the temperature of the temperature condition measured to the soft-package battery for producing gas and the production gas of the soft-package battery
Degree condition is consistent, the influence of the volume of the gas generated so as to thoroughly eliminating temperature to the soft-package battery, so as into
One step improves accuracy, repeatability and the stability of measurement.That is, soft-package battery gas production according to an embodiment of the present invention
Measurement method can be considered as in-situ measuring method.
It can use heater and the temperature of the liquid be heated to the preset temperature.Wherein it is possible to always by the liquid
Temperature maintains the preset temperature, the temperature of the liquid only can also be maintained the preset temperature in measurement.
The present invention also provides soft-package battery gas production measuring devices 1.Below with reference to the accompanying drawings it describes to implement according to the present invention
The soft-package battery gas production measuring device 1 of mode.As shown in Figure 1, the soft-package battery gas production of embodiment is surveyed according to the present invention
Measuring device 1 includes weighing 10, liquid container 20, the first object 30a for cooperating with soft-package battery 2 and being used for and Soft Roll electricity
The second object 30b that pond 2 cooperates.Liquid container 20 can be placed into weighing and claim on 10, and liquid container 20 has accommodating chamber 210.
Liquid container 20 can be placed on to weigh to be referred on 10: when measuring the gas production of the soft-package battery, liquid
Container 20 is placed on weighing and claims on 10.
By utilizing soft-package battery gas production measuring device 1 according to an embodiment of the present invention, so as to implement according to this
The soft-package battery gas production measurement method of inventive embodiments.Soft-package battery gas production measuring device 1 according to an embodiment of the present invention
It is high, reproducible with measurement accuracy, stability is good, easy to operate, measurement efficiency is high, advantages of simple structure and simple.
As shown in Figure 1, in some examples of the invention, soft-package battery gas production measuring device 1 further comprises bracket
40 and rope 50.The first end of rope 50 can be connected with bracket 40, and the second end of rope 50 can be selectively with
Each of one object 30a and the second object 30b are connected.
The second end of rope 50 can selectively be connected with each of the first object 30a and the second object 30b
Refer to: the second end of rope 50 can be connected with the first object 30a, and the second end of rope 50 also can be with the second object
30b is connected, but the second end of rope 50 is connected with one of the first object 30a and the second object 30b in measurement, i.e.,
It is connected when the second end difference of rope 50 with the first object 30a and the second object 30b in measurement.
By setting bracket 40 and rope 50, so that not only liquid can be touched to avoid the first object 30a and the second object 30b
The wall surface of body container 20 so as to improve measurement accuracy and measurement efficiency, and can prevent the first object 30a, the second object
Body 30b and soft-package battery 2 shake, so as to improve measurement accuracy and measurement efficiency.
First object 30a and the second object 30b can be metal cage 30.Heater can be equipped on liquid container 20,
So that the liquid in liquid container 20 is heated to preset temperature.Rope 50 can be wire, the liquid in liquid container 20
It can be water or silicone oil.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specific
The description of example " or " some examples " etc. mean the specific features for combining the embodiment or example to describe, structure, material or
Person's feature is contained at least one embodiment or example of the invention.In the present specification, to the schematic of above-mentioned term
Statement is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It can be combined in any suitable manner in any one or more embodiments or example.In addition, without conflicting with each other,
Those skilled in the art by different embodiments described in this specification or example and different embodiments or can show
The feature of example is combined.
Although embodiments of the present invention have been shown and described above, it is to be understood that above embodiment is
Illustratively, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be right
Above embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of soft-package battery gas production measurement method, which comprises the following steps:
A) in the liquid that the first object being combined together and the soft-package battery for not producing gas are immersed into liquid container, institute is measured
It states the first object and does not produce the mass M 1 for the liquid that the soft-package battery of gas arranges；With
B so that the soft-package battery is produced gas, the second object being combined together and the soft-package battery for producing gas are immersed into described
In the liquid in liquid container, the matter for the liquid that measurement second object and the soft-package battery for producing gas arrange
M2 is measured,
Wherein the upper edge of the liquid level of the liquid and the liquid container is spaced pre-determined distance to prevent the liquid from overflowing institute
Liquid container is stated, the quality for the liquid that first object arranges is M3, the liquid that second object arranges
Quality is M4, does not produce volume V1=(M1-M3)/ρ of the soft-package battery of gas, produces the volume V2=of the soft-package battery of gas
(M2-M4)/ρ, the gas production V=V2-V1, ρ of the soft-package battery are the density of the liquid.
2. soft-package battery gas production measurement method according to claim 1, which is characterized in that measure institute under preset temperature
It states the first object and does not produce the mass M 1 for the liquid that the soft-package battery of gas arranges, institute is measured under the preset temperature
It states the second object and produces the mass M 2 of the liquid that the soft-package battery of gas arranges, it is preferable that the preset temperature is institute
It states the operating temperature of soft-package battery or places temperature.
3. soft-package battery gas production measurement method according to claim 1 or 2, which is characterized in that first object and
Second object is same object, gas production V=(M2-M1)/ρ of the soft-package battery.
4. soft-package battery gas production measurement method according to claim 3, which comprises the following steps:
A-1 the liquid container for filling the liquid) is placed on weighing to deserve to be called, makes the default temperature of the temperature of the liquid
Then degree returns to zero to weighing title；
It A-2 will be) that the battery case for having rope is immersed into the liquid, the battery case has liquid-passing hole, does not produce gas
The soft-package battery is contained in the battery case and is immersed in the liquid not produce the soft-package battery of gas, wherein
Pull the battery case upwards by the rope to prevent the battery case from contacting the wall surface of the liquid container,
The temperature of the liquid be the preset temperature under conditions of, the measurement battery case and the soft-package battery row for not producing gas
The mass M 1 for the liquid opened；With
B so that the soft-package battery is produced gas, the battery case is immersed into the liquid, the soft-package battery for producing gas holds
It is contained in the battery case and is immersed in the liquid to produce the soft-package battery of gas, wherein upward by the rope
The battery case is pulled to prevent the battery case from contacting the wall surface of the liquid container, is in the temperature of the liquid
Under conditions of the preset temperature, the measurement battery case and the quality for producing the liquid that the soft-package battery of gas arranges
M2, gas production V=(M2-M1)/ρ of the soft-package battery.
5. soft-package battery gas production measurement method according to claim 4, which is characterized in that in the step A-2) and institute
State step B) in, the equal length for the part of the rope being immersed in the liquid, it is preferable that the battery case is cage
Shape.
6. soft-package battery gas production measurement method according to claim 1 or 2, which is characterized in that first object and
Second object is different object.
7. soft-package battery gas production measurement method according to claim 6, which comprises the following steps:
A-1 the liquid container for filling the liquid) is placed on weighing to deserve to be called, makes the default temperature of the temperature of the liquid
Then degree returns to zero to weighing title；
It A-2) will be to there is the first battery case of rope to be immersed into the liquid, first battery case has liquid-passing hole,
First battery case is pulled upwards by the rope to prevent first battery case from contacting the liquid container
Wall surface, wherein under conditions of the temperature of the liquid preset temperature, measurement first battery case arranges
The mass M 3 of the liquid；
A-3) first battery case is immersed into the liquid, the soft-package battery for not producing gas is contained in described first
It is immersed in the liquid in battery case not produce the soft-package battery of gas, wherein pulling institute upwards by the rope
The first battery case is stated to prevent first battery case from contacting the wall surface of the liquid container, in the temperature of the liquid
For under conditions of the preset temperature, measurement first battery case and do not produce the liquid that the soft-package battery of gas arranges
The mass M 1 of body；
It B-1) will be to there is the second battery case of rope to be immersed into the liquid, second battery case has liquid-passing hole,
Second battery case is pulled upwards by the rope to prevent second battery case from contacting the liquid container
Wall surface, wherein under conditions of the temperature of the liquid preset temperature, measurement second battery case arranges
The mass M 4 of the liquid；With
B-2 so that the soft-package battery is produced gas, second battery case is immersed into the liquid, the Soft Roll of gas is produced
Battery is contained in second battery case and is immersed in the liquid to produce the soft-package battery of gas, wherein passing through institute
It states rope and pulls second battery case upwards to prevent second battery case from contacting the wall surface of the liquid container,
Under conditions of the temperature of the liquid is the preset temperature, the Soft Roll electricity of measurement second battery case and production gas
The mass M 2 for the liquid that pond arranges, gas production V=(M2-M4-M1+M3)/ρ of the soft-package battery.
8. soft-package battery gas production measurement method according to claim 7, which is characterized in that in the step A-2), institute
State step A-3), the step B-1) and the step B-2) in, the length for the part of the rope being immersed in the liquid
It spends equal, it is preferable that first battery case is caged, and second battery case is caged.
9. a kind of soft-package battery gas production measuring device (1) characterized by comprising
It weighs (10)；
Liquid container (20), the liquid container (20) can be placed on the weighing and claim on (10), the liquid container
(20) there are accommodating chamber (210)；
The first object (30a) for cooperating with soft-package battery (2)；With
The second object (30b) for cooperating with soft-package battery (2).
10. soft-package battery gas production measuring device (1) according to claim 9, which is characterized in that further comprise:
Bracket (40)；With
The first end of rope (50), the rope (50) can be connected with the bracket (40), and the second of the rope (50)
End can selectively be connected with each of first object (30a) and the second object (30b).
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Application publication date: 20190614 |