Method for adjusting state of charge of batteries in batches

Abstract

The invention discloses a method for adjusting the state of charge of batteries in batches. The method for adjusting the state of charge of the batteries in batches comprises the following steps: charging each battery in an initial temperature environment, discharging the batteries after the batteries are completely charged, and setting the energy required by complete discharging of each battery as the total discharge capacity of each battery; charging each battery in an initial temperature environment, and adjusting the initial temperature environment to a first temperature environment after each battery is completely charged; each battery is discharged in the first temperature environment, and when the discharge capacity of each battery reaches the preset proportion of the total discharge capacity of each battery, discharging is stopped to obtain the battery in the required charge state. According to the method, the total capacity of the battery is obtained, and the battery capacity is used as a judgment parameter for adjusting the temperature, so that the temperature environment of the battery is uniformly adjusted, the temperature interference between adjacent batteries is avoided, and the true effectiveness of the state of charge of the battery is guaranteed.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a method for batch adjusting the state of charge of batteries. Background Art

[0002] When the battery is shipped, it is required to maintain a standard battery state of charge (SOC) or maintain the battery state of charge required by the customer. Usually, the manufacturer adjusts the battery state of charge by charging / discharging the battery to adjust the charge / discharge amount of the battery cell, thereby adjusting the battery state of charge to meet standard testing or the shipment state of charge required by the customer.

[0003] However, the traditional solution for adjusting the battery state of charge is to place multiple batteries in different channels of the incubator, and manually adjust the temperature of each channel to make the batteries perform charging / discharging steps at the corresponding temperature to adjust the battery state of charge. However, because the capacity of each battery cannot be exactly the same, the time nodes for completing the same step in each channel are different. This results in the time nodes for adjusting the temperature of each channel of the incubator cannot be unified, and the temperature will greatly affect the battery state of charge. Therefore, when there is a channel that changes the temperature in advance, the temperature of this channel will greatly affect the batteries in the adjacent channels. Summary of the invention

[0004] In view of the above problems, the present application provides a method for batch adjusting the state of charge of batteries to solve the above technical problems.

[0005] In a first aspect, the present application provides a method for batch adjusting the state of charge of batteries, comprising:

[0006] charging each battery respectively under the initial temperature environment, discharging the battery after the battery is fully charged, and setting the energy consumed by the complete discharge of each battery as the total discharge amount of each battery;

[0007] charging each of the batteries respectively in the initial temperature environment, and adjusting the initial temperature environment to a first temperature environment after each of the batteries is fully charged;

[0008] Each of the batteries is discharged respectively under the first temperature environment, and when the discharge amount of each battery reaches a preset proportion of the total discharge amount of each battery, the discharge is stopped to obtain a battery with a desired charge state.

[0009] In some embodiments, the step of adjusting the initial temperature environment to the first temperature environment after each of the batteries is fully charged includes:

[0010] After the battery is fully charged, assigning a first state to the battery;

[0011] When each of the batteries meets the first state, the initial temperature environment is adjusted to the first temperature environment.

[0012] In some embodiments, in the method for batch adjusting battery state of charge provided by the present application,

[0013] When the battery meets a preset first condition, determining that the battery is fully charged;

[0014] When the battery meets a preset second condition, it is determined that the battery is fully discharged.

[0015] In some embodiments, the preset first condition includes:

[0016] The first characteristic parameter of the battery is lower than the first cut-off characteristic parameter;

[0017] The first characteristic parameter includes at least: battery charging voltage, battery charging current, battery charging power, battery charging time, battery charging capacity, and battery charging energy; the first cut-off characteristic parameter includes at least: a preset first voltage, a preset first current, a preset first power, a preset first time, a preset first capacity, and a preset first energy;

[0018] The preset second condition includes:

[0019] The second characteristic parameter of the battery is higher than a preset second cutoff characteristic parameter;

[0020] The second characteristic parameters include at least: battery discharge voltage, battery discharge current, battery discharge power, battery discharge time, battery discharge capacity, and battery discharge energy; the second cut-off characteristic parameters include at least: a preset second voltage, a preset second current, a preset second power, a preset second time, a preset second capacity, and a preset second energy.

[0021] In some embodiments, in the method for batch adjusting battery state of charge provided by the present application,

[0022] Before the battery is fully charged, the method further includes: placing the battery aside for a first time;

[0023] After the battery is fully charged, the method further includes placing the battery aside for a second time before the battery is fully discharged.

[0024] In a second aspect, the present application provides a method for batch adjusting the state of charge of batteries, comprising:

[0025] Discharging each battery under the initial temperature environment, charging the battery after the battery is fully discharged, and setting the energy consumed by fully charging each battery as the total charge capacity of each battery;

[0026] Discharging each of the batteries respectively under the initial temperature environment, and adjusting the initial temperature environment to a second temperature environment after each of the batteries is fully discharged;

[0027] Each of the batteries is charged respectively in the second temperature environment, and when the charge capacity of each battery reaches a preset proportion of the total charge capacity of each battery, the charging is stopped to obtain a battery with a desired charge state.

[0028] In some embodiments, the step of adjusting the initial temperature environment to a second temperature environment after each of the batteries is fully discharged comprises:

[0029] After the battery is fully discharged, assigning a second state to the battery;

[0030] When each of the batteries meets the second state, the initial temperature environment is adjusted to a second temperature environment.

[0031] In some embodiments, in the method for batch adjusting battery state of charge provided by the present application,

[0032] When the battery meets a preset third condition, determining that the battery is fully charged;

[0033] When the battery meets a preset third condition, it is determined that the battery is fully discharged.

[0034] In some embodiments, the preset third condition includes:

[0035] The third characteristic parameter of the battery is lower than the third cutoff characteristic parameter;

[0036] The third characteristic parameter at least includes: battery charging voltage, battery charging current, battery charging power, battery charging time, battery charging capacity, and battery charging energy; the third cutoff characteristic parameter at least includes: a preset third voltage, a preset third current, a preset third power, a preset third time, a preset third capacity, and a preset third energy;

[0037] The preset fourth condition includes:

[0038] The fourth characteristic parameter of the battery is higher than a preset fourth cutoff characteristic parameter;

[0039] The fourth characteristic parameters include at least: battery discharge voltage, battery discharge current, battery discharge power, battery discharge time, battery discharge capacity, and battery discharge energy; the fourth cut-off characteristic parameters include at least: a preset fourth voltage, a preset fourth current, a preset fourth power, a preset fourth time, a preset fourth capacity, and a preset fourth energy.

[0040] In some embodiments, in the method for batch adjusting battery state of charge provided by the present application,

[0041] Before the battery is fully discharged, the method further includes: placing the battery aside for a third time;

[0042] After the battery is fully discharged, the method further includes placing the battery aside for a fourth time before the battery is fully charged.

[0043] The method for batch adjusting the state of charge of batteries provided by the present application is to charge each battery separately under the initial temperature environment, discharge the battery after the battery is fully charged, set the energy consumed by the full discharge of each battery to the total discharge amount of each battery, thereby obtaining the capacity of each battery, and then charge each battery separately under the initial temperature environment, adjust the initial temperature environment to the first temperature environment after each battery is fully charged, thereby achieving unified adjustment of the temperature environment of each battery after obtaining the capacity of each battery, and finally discharge each battery separately under the first temperature environment, and stop discharging when the discharge amount of each battery reaches a preset proportion of the total discharge amount of each battery to obtain the battery with the required charge state. The method for batch adjusting the state of charge of batteries provided by the present application obtains the total capacity of the battery and uses the battery capacity as the judgment parameter for adjusting the temperature, thereby achieving unified adjustment of the temperature environment of the battery, avoiding temperature interference between adjacent batteries, and ensuring the true effectiveness of the battery state of charge.

[0044] These and other aspects of the present application will become more clearly understood in the description of the following embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0046] Figure 1 A flow chart of a method for batch adjusting battery state of charge provided in an embodiment of the present application is shown.

[0047] Figure 2 Another flow chart of the method for batch adjusting the state of charge of batteries provided in an embodiment of the present application is shown.

[0048] Figure 3 Another flow chart of the method for batch adjusting the battery state of charge provided in an embodiment of the present application is shown.

[0049] Figure 4A flow chart of a method for batch adjusting battery state of charge provided in an embodiment of the present application is shown.

[0050] Figure 5 Another flow chart of the method for batch adjusting the state of charge of batteries provided in an embodiment of the present application is shown.

[0051] Figure 6 Another flow chart of the method for batch adjusting the battery state of charge provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0052] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application.

[0053] In the embodiments of the present application, it should be noted that, in this article, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0054] Moreover, the terms "comprises," "comprising," or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0055] In addition, the "plurality" in the embodiments of the present application refers to two or more than two. In view of this, in the embodiments of the present application, "plurality" can also be understood as "at least two". "At least one" can be understood as one or more, for example, one, two or more. For example, including at least one means including one, two or more, and there is no limit on which ones are included. For example, including at least one of A, B and C, then A, B, C, A and B, A and C, B and C, or A, B and C can be included.

[0056] It should be noted that, in the embodiments of the present application, "and / or" describes the association relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / ", unless otherwise specified, generally indicates that the associated objects before and after are in an "or" relationship.

[0057] The present application embodiment provides a method for batch adjusting the state of charge of batteries. Figure 1 A flow chart of a method for batch adjusting battery state of charge provided by an embodiment of the present application is shown. Figure 1 As shown, the method for batch adjusting the battery state of charge includes:

[0058] Each battery is charged separately under the initial temperature environment, and the battery is discharged after it is fully charged, and the energy consumed by the full discharge of each battery is set as the total discharge amount of each battery. Optionally, the demand source of the embodiment of the present application is that the battery is required to maintain a standard battery state of charge (SOC) or maintain the battery state of charge required by the customer when it is shipped after irregular storage after production. At this time, the actual capacity of each battery is no longer consistent with the rated capacity after being placed. Therefore, the embodiment of the present application obtains the total capacity of the battery by fully charging and then fully discharging the battery.

[0059] It is understandable that the specific temperature value of the initial temperature environment can be set arbitrarily according to actual needs, and the embodiments of the present application do not limit this.

[0060] Each battery is charged separately in the initial temperature environment, and the initial temperature environment is adjusted to the first temperature environment after each battery is fully charged. Optionally, the embodiment of the present application uses the discharge amount as the capacity measurement unit of the battery, so before adjusting the battery state of charge, the battery needs to be kept in a fully charged state (i.e., fully charged state), and then the temperature is automatically adjusted to the first temperature environment according to the condition of "all batteries are fully charged" to adjust the battery state of charge in the first temperature environment. In order to avoid the impact of temperature changes on the battery, the battery should still be charged in the initial temperature environment.

[0061] It is understandable that the specific temperature value of the first temperature environment can be set arbitrarily according to actual needs, and the embodiment of the present application does not limit this.

[0062] Each battery is discharged separately under the first temperature environment, and when the discharge amount of each battery reaches a preset proportion of the total discharge amount of each battery, the discharge is stopped to obtain a battery with a desired charge state.

[0063] In some embodiments, in the method for batch adjusting the state of charge of batteries of the embodiments of the present application, each battery is placed in a different channel of the incubator, so as to adjust the temperature environment of the battery by adjusting the temperature of each channel of the incubator.

[0064] The method for batch adjusting the battery state of charge provided in the embodiment of the present application obtains the total capacity of the battery and uses the battery capacity as a determination parameter for adjusting the temperature, thereby achieving unified adjustment of the temperature environment of the battery, avoiding temperature interference between adjacent batteries, and ensuring the authenticity and effectiveness of the battery state of charge.

[0065] In some embodiments, Figure 2 Another flow chart of the method for batch adjusting the battery state of charge provided by the embodiment of the present application is shown. Figure 2 As shown, the step of adjusting the initial temperature environment to the first temperature environment after each battery is fully charged includes:

[0066] After the battery is fully charged, the battery is assigned a first state.

[0067] When each battery meets the first state, the initial temperature environment is adjusted to the first temperature environment.

[0068] Optionally, the total discharge capacity of each battery is not necessarily the same, so the fully charged battery is assigned the first state, so that the temperature environment of each battery can be uniformly adjusted only by detecting that all batteries meet the first state.

[0069] Among them, the first state can be any set parameter / condition, etc. The purpose of the embodiment of the present application is to set a mark for the full charging of the battery so that it can be monitored according to the meter whether each battery is in a fully charged state.

[0070] In some embodiments, Figure 3 Another flow chart of the method for batch adjusting the battery state of charge provided by the embodiment of the present application is shown. Figure 3 As shown, in the method, whether the battery is fully charged is determined by monitoring whether the battery meets a preset first condition, and whether the battery is fully discharged is determined by monitoring whether the battery meets a preset second condition. Specifically, when the battery meets the preset first condition, the battery is determined to be fully charged; when the battery meets the preset second condition, the battery is determined to be fully discharged.

[0071] In some embodiments, the preset first condition includes:

[0072] The first characteristic parameter of the battery is lower than a preset first cutoff characteristic parameter.

[0073] The first characteristic parameters include at least: battery charging voltage, battery charging current, battery charging power, battery charging time, battery charging capacity, and battery charging energy; the first cutoff characteristic parameters include at least: a preset first voltage, a preset first current, a preset first power, a preset first time, a preset first capacity, and a preset first energy.

[0074] The preset second condition includes:

[0075] The second characteristic parameter of the battery is higher than a preset second cutoff characteristic parameter;

[0076] The second characteristic parameters include at least: battery discharge voltage, battery discharge current, battery discharge power, battery discharge time, battery discharge capacity, and battery discharge energy; the second cutoff characteristic parameters include at least: a preset second voltage, a preset second current, a preset second power, a preset second time, a preset second capacity, and a preset second energy.

[0077] Exemplarily, the preset first condition can be set to: the charging voltage of the battery is lower than the first cut-off voltage of the battery, and the preset second condition can be set to: the discharge voltage of the battery is higher than the second cut-off voltage of the battery. Taking a general lithium iron phosphate battery as an example, usually the battery's 100% state of charge indicates that the battery is fully charged to 3.65V, and the 0% state of charge indicates that the battery is discharged to 2.5V. Therefore, the first cut-off voltage can be set to 3.65V, and when the charging voltage is higher than 3.65V, it means that the battery is fully charged. The second cut-off voltage is set to 2.5V, and when the discharge voltage is lower than 2.5V, it means that the battery is fully discharged. Similarly, the state of charge of the battery can also be expressed by other parameters, for example, the first characteristic parameter, the second characteristic parameter, the first cut-off characteristic parameter, and the second cut-off characteristic parameter can also be set to current, power, capacity, energy, time and other parameters.

[0078] In some embodiments, the method for batch adjusting the state of charge of batteries provided in the embodiments of the present application further includes: placing the battery on hold for a first time to stabilize the battery before the battery is fully charged. After the battery is fully charged, the method further includes: placing the battery on hold for a second time to stabilize the battery before the battery is fully discharged.

[0079] It can be understood that in the embodiment of the present application, the purpose of putting the battery on hold is to allow the battery to stabilize before executing the next step. Therefore, the specific values ​​of the first time and the second time here can be set according to actual needs, and the first time and the second time can be set to the same value, and the embodiment of the present application does not limit this.

[0080] The present application also provides a method for batch adjusting the state of charge of batteries. Figure 4A flow chart of a method for batch adjusting battery state of charge provided by an embodiment of the present application is shown. Figure 4 As shown, the method for batch adjusting the battery state of charge includes:

[0081] Each battery is discharged under the initial temperature environment, and the battery is charged after the battery is fully discharged, and the energy consumed by fully charging each battery is set as the total charge capacity of each battery.

[0082] Each battery is discharged separately in the initial temperature environment, and the initial temperature environment is adjusted to the second temperature environment after each battery is fully discharged.

[0083] Each battery is charged separately in the second temperature environment, and when the charge capacity of each battery reaches a preset proportion of the total charge capacity of each battery, the charging is stopped to obtain the battery with the required charge state.

[0084] Optionally, in addition to the method of obtaining the total capacity of the battery by fully charging and then fully discharging the battery, the embodiment of the present application can also fully discharge the battery and then fully charge it to use the energy consumed by full charging as the capacity of the battery.

[0085] It is understandable that the specific temperature value of the second temperature environment can be set arbitrarily according to actual needs, and the embodiment of the present application does not limit this.

[0086] In some embodiments, in the method for batch adjusting the state of charge of batteries of the embodiments of the present application, each battery is placed in a different channel of the incubator, so as to adjust the temperature environment of the battery by adjusting the temperature of each channel of the incubator.

[0087] The method for batch adjusting the battery state of charge provided in the embodiment of the present application obtains the total capacity of the battery and uses the battery capacity as a determination parameter for adjusting the temperature, thereby achieving unified adjustment of the temperature environment of the battery, avoiding temperature interference between adjacent batteries, and ensuring the authenticity and effectiveness of the battery state of charge.

[0088] In some embodiments, Figure 5 Another flow chart of the method for batch adjusting the battery state of charge provided by the embodiment of the present application is shown. Figure 5 As shown, the step of adjusting the initial temperature environment to the second temperature environment after each battery is fully discharged includes:

[0089] After the battery is fully discharged, assigning a second state to the battery;

[0090] When each battery meets the second state, the initial temperature environment is adjusted to the second temperature environment.

[0091] Optionally, the total charge capacity of each battery is not necessarily the same, so the fully discharged battery is assigned the second state, so that the temperature environment of each battery can be uniformly adjusted only by detecting that all batteries meet the second state.

[0092] The second state may be any set parameter / condition, etc. The purpose of the embodiment of the present application is to set a mark for the complete discharge of the battery so that the meter can monitor whether each battery is in a complete discharge state.

[0093] In some embodiments, Figure 6 Another flow chart of the method for batch adjusting the battery state of charge provided by the embodiment of the present application is shown. Figure 6 As shown, in this method, whether the battery is fully charged is determined by monitoring whether the battery meets the preset third condition, and whether the battery is fully discharged is determined by monitoring whether the battery meets the preset fourth condition. Specifically, when the battery meets the preset third condition, it is determined that the battery is fully charged; when the battery meets the preset fourth condition, it is determined that the battery is fully discharged.

[0094] In some embodiments, the preset third condition includes:

[0095] The third characteristic parameter of the battery is lower than a preset third cutoff characteristic parameter.

[0096] The third characteristic parameters include at least: battery charging voltage, battery charging current, battery charging power, battery charging time, battery charging capacity, and battery charging energy; the third cutoff characteristic parameters include at least: a preset third voltage, a preset third current, a preset third power, a preset third time, a preset third capacity, and a preset third energy.

[0097] The fourth condition is as follows:

[0098] The fourth characteristic parameter of the battery is higher than a preset fourth cutoff characteristic parameter;

[0099] The fourth characteristic parameters include at least: battery discharge voltage, battery discharge current, battery discharge power, battery discharge time, battery discharge capacity, and battery discharge energy; the fourth cutoff characteristic parameters include at least: a preset fourth voltage, a preset fourth current, a preset fourth power, a preset fourth time, a preset fourth capacity, and a preset fourth energy.

[0100] Exemplarily, the preset third condition can be set to: the charging voltage of the battery is lower than the third cut-off voltage of the battery, and the preset fourth condition can be set to: the discharge voltage of the battery is higher than the fourth cut-off voltage of the battery. Taking a general lithium iron phosphate battery as an example, usually the battery's 100% state of charge indicates that the battery is fully charged to 3.65V, and the 0% state of charge indicates that the battery is discharged to 2.5V. Therefore, the third cut-off voltage can be set to 3.65V, and when the charging voltage is higher than 3.65V, it means that the battery is fully charged. The fourth cut-off voltage is set to 2.5V, and when the discharge voltage is lower than 2.5V, it means that the battery is fully discharged. Similarly, the state of charge of the battery can also be expressed by other parameters, for example, the third characteristic parameter, the fourth characteristic parameter, the third cut-off characteristic parameter, and the fourth cut-off characteristic parameter can also be set to current, power, capacity, energy, time and other parameters.

[0101] In some embodiments, the method for batch adjusting the state of charge of batteries provided in the embodiments of the present application further includes: placing the battery for a third time to stabilize the battery state before the battery is fully discharged. After the battery is fully discharged, the method further includes: placing the battery for a fourth time to stabilize the battery state before the battery is fully charged.

[0102] It can be understood that in the embodiment of the present application, the purpose of putting the battery on hold is to allow the battery to stabilize before executing the next step. Therefore, the specific values ​​of the third time and the fourth time here can be set according to actual needs, and the third time and the fourth time can be set to the same value, and the embodiment of the present application does not limit this.

[0103] The above contents are further detailed descriptions of the present application in combination with specific implementation methods, and it cannot be determined that the specific implementation of the present application is limited to these descriptions. For ordinary technicians in the technical field to which the present application belongs, several simple deductions or substitutions can be made without departing from the concept of the present application, which should be regarded as the protection scope of the present application.

Claims

1. A method for batch adjusting the state of charge of batteries, characterized in that: include: charging each battery respectively under the initial temperature environment, discharging the battery after the battery is fully charged, and setting the energy required for fully discharging each battery as the total discharge amount of each battery; charging each of the batteries respectively in the initial temperature environment, and adjusting the initial temperature environment to a first temperature environment after each of the batteries is fully charged; Each of the batteries is discharged respectively under the first temperature environment, and when the discharge amount of each battery reaches a preset proportion of the total discharge amount of each battery, the discharge is stopped to obtain a battery with a desired charge state.

2. The method for batch adjusting battery state of charge according to claim 1, characterized in that: The step of adjusting the initial temperature environment to the first temperature environment after each of the batteries is fully charged comprises: After the battery is fully charged, assigning a first state to the battery; When each of the batteries meets the first state, the initial temperature environment is adjusted to the first temperature environment.

3. The method for batch adjusting battery state of charge according to claim 1, characterized in that: When the battery meets a preset first condition, determining that the battery is fully charged; When the battery meets a preset second condition, it is determined that the battery is fully discharged.

4. The method for batch adjusting battery state of charge according to claim 3, characterized in that: The preset first condition includes: The first characteristic parameter of the battery is higher than a preset first cutoff characteristic parameter; The first characteristic parameter includes at least: battery charging voltage, battery charging current, battery charging power, battery charging time, battery charging capacity, and battery charging energy; the first cut-off characteristic parameter includes at least: a preset first voltage, a preset first current, a preset first power, a preset first time, a preset first capacity, and a preset first energy; The preset second condition includes: The second characteristic parameter of the battery is lower than a preset second cutoff characteristic parameter; The second characteristic parameters include at least: battery discharge voltage, battery discharge current, battery discharge power, battery discharge time, battery discharge capacity, and battery discharge energy; the second cut-off characteristic parameters include at least: a preset second voltage, a preset second current, a preset second power, a preset second time, a preset second capacity, and a preset second energy.

5. The method for batch adjusting battery state of charge according to claim 1, characterized in that: Before the battery is fully charged, the method further includes: placing the battery aside for a first time; After the battery is fully charged, the method further includes placing the battery aside for a second time before the battery is fully discharged.

6. A method for batch adjusting battery state of charge, characterized in that: include: Discharging each battery under the initial temperature environment, charging the battery after the battery is fully discharged, and setting the energy consumed by fully charging each battery as the total charge capacity of each battery; Discharging each of the batteries respectively under the initial temperature environment, and adjusting the initial temperature environment to a second temperature environment after each of the batteries is fully discharged; Each of the batteries is charged respectively in the second temperature environment, and when the charge capacity of each battery reaches a preset proportion of the total charge capacity of each battery, the charging is stopped to obtain a battery with a desired charge state.

7. The method for batch adjusting battery state of charge according to claim 1, characterized in that: The step of adjusting the initial temperature environment to the first temperature environment after each of the batteries is fully discharged comprises: After the battery is fully discharged, assigning a second state to the battery; When each of the batteries meets the second state, the initial temperature environment is adjusted to the first temperature environment.

8. The method for batch adjusting battery state of charge according to claim 6, characterized in that: When the battery meets a preset third condition, determining that the battery is fully charged; When the battery meets a preset fourth condition, it is determined that the battery is fully discharged.

9. The method for batch adjusting battery state of charge according to claim 8, characterized in that: The preset third condition includes: The third characteristic parameter of the battery is higher than a preset third cutoff characteristic parameter; The third characteristic parameter at least includes: battery charging voltage, battery charging current, battery charging power, battery charging time, battery charging capacity, and battery charging energy; the third cutoff characteristic parameter at least includes: a preset third voltage, a preset third current, a preset third power, a preset third time, a preset third capacity, and a preset third energy; The preset fourth condition includes: The fourth characteristic parameter of the battery is lower than a preset fourth cutoff characteristic parameter; The fourth characteristic parameters include at least: battery discharge voltage, battery discharge current, battery discharge power, battery discharge time, battery discharge capacity, and battery discharge energy; the fourth cut-off characteristic parameters include at least: a preset fourth voltage, a preset fourth current, a preset fourth power, a preset fourth time, a preset fourth capacity, and a preset fourth energy.

10. The method for batch adjusting battery state of charge according to claim 6, characterized in that: Before the battery is fully discharged, the method further includes: placing the battery aside for a third time; After the battery is fully discharged, the method further includes placing the battery aside for a fourth time before the battery is fully charged.

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