METHOD FOR THE CONTROL AND HANDLING OF ELECTROCHEMICAL CELLS OR BATTERIES, ELECTROCHEMICAL CELL AND BATTERY

• US 20140077817A1
• Filed: 03/14/2012
• Published: 03/20/2014
• Est. Priority Date: 03/31/2011
• Status: Abandoned Application

• Current Assignee: Li-Tec Battery GmbH (Mercedes-Benz Group AG)
• Original Assignee: Li-Tec Battery GmbH (Mercedes-Benz Group AG)
• Inventors: Schaefer, Tim
• Application Number:
  US14/007,805
• Publication Number:
  US 20140077817A1
• Time in Patent Office: Days
• US Class Current: 324/430
• CPC Class Codes: G01R 31/371 with remote indication, e.g. on external chargers
• CPC Class Codes: G01R 31/382 Arrangements for monitoring battery or accumulator variables, e.g. SoC
• CPC Class Codes: G01R 31/389 Measuring internal impedance, internal conductance or related variables
• CPC Class Codes: H01M 10/4207 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: H01M 10/4257 Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
• CPC Class Codes: H01M 10/482 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 10/486 for measuring temperature
• CPC Class Codes: H01M 10/488 Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
• CPC Class Codes: H01M 2010/4278 Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H04Q 2209/10 using a centralized architecture
• CPC Class Codes: H04Q 2209/40 using a wireless architecture
• CPC Class Codes: H04Q 2209/47 using RFID associated with sensors
• CPC Class Codes: H04Q 2209/82 where the sensing device takes the initiative of sending data
• CPC Class Codes: H04Q 9/00 Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

The invention relates to a method for handling and servicing an electrochemical cell (1), preferably a battery having a number of electrochemical cells (1), comprising a controller (3), in particular a cell controller, preferably a battery controller, at least one sensor (4) connected to the controller (3) for acquiring parameter data (D_Par.) of the electrochemical cell (1) or the battery, a storage device (5), which comprises preferably a non-volatile memory, in particular a flash memory, and a unit (2) for data transmission, said method comprising the following steps: (S1) acquiring parameter data (D_Par.) of the electrochemical cell (1) or the battery, (S2) feeding the acquired parameter data (D_Par.) to the controller (3), (S3) calculating the control data (D_Str.) as a function of the supplied parameter data (D_Par.) with the controller (3), (S4) feeding the control data (D_Str.) to the storage device (5), (S5) reading out the control data (D_Str.) of the storage device (5) to the unit (2) for data transmission, and (S6) transmitting the read-out control data (D_Str.) to a display device via the unit (2) for data transmission, in particular transmitting the read-out control data (D_Str.) wirelessly to the display device via the unit (2) for data transmission.

Claims

1. A method for the handling and servicing of an electrochemical cell included in a battery having a plurality of electrochemical cells, at least one sensor connected to the controller to acquire parameter data on the electro-chemical cell, a storage apparatus including non-volatile memory, and a data transmission unit (2), the method comprising:

acquiring the parameter data on the electrochemical cell or battery respectively;

feeding the acquired parameter data to the controller;

calculating control data from the supplied parameter data in the controller;

feeding the control data to the storage apparatus;

reading out the control data from the storage apparatus to the data transmission unit;

wirelessly transmitting the read-out control data to a display apparatus via the data transmission unit; and

reading out associated bar code information from the electrochemical cell or battery respectively.

3. The method for the handling and servicing according to claim 1, wherein at least one parameter data on the electrochemical cell or battery to be acquired by the sensor is includes at least one of the following parameters:

the state of charge of the electrochemical cell or battery,

the temperature of the electrochemical cell or battery,

the voltage of the electrochemical cell or battery,

the load on the electrochemical cell or battery,

the charging characteristics of the electrochemical cell or battery,

the status of a protective apparatus, particularly a PTC resistor or a power cutoff apparatus,

the functioning of the sensor, or

the pressure in the electrochemical cell or battery.

5. The method for the handling and servicing according to claim 1, further comprising:

determining whether the control data includes predetermined control values, and determining whether the parameter data includes predetermined parameter values; and

effecting a command should the predetermined control values or predetermined parameter values be determined.

6. The method for the handling and servicing according to claim 1, further comprising:

determining whether the control data does not include predetermined control values or whether the parameter data does not include predetermined parameter values respectively; and

effecting a command should the predetermined control values or predetermined parameter values not be determined.

9. The method for the handling and servicing according to claim 5, wherein the effecting of a command includes:

activating the electrochemical cell or battery via the data transmission unit,

effecting a treatment of the electrochemical cell or battery, or

releasing the electrochemical cell or battery for transport.

10. The method for the handling and servicing according to claim 1, wherein at least one parameter data on the electrochemical cell or battery to be acquired by the sensor:

a number of previous charging cycles in the electrochemical cell or battery,

characteristics of the previous charging cycles in the electrochemical cell or battery,

capacitance of the electrochemical cell or battery at a last full charge,

original capacitance of the electrochemical cell or battery,

maximum voltage of the electrochemical cell or battery at the last full charge,

original voltage of the electrochemical cell or battery, or

a manufacturer of the electrochemical cell or battery.

11. An electrochemical cell including a controller comprising at least one sensor to acquire parameter data on the electrochemical cell or a battery respectively, at least one storage apparatus including non-volatile memory a wireless data transmission unit, wherein the electrochemical cell is designed to perform a method according to claim 1.

12. The electrochemical cell according to claim 11, wherein the sensor is designed to acquire parameter data on the electrochemical cell or battery respectively which includes at least one of the following parameters:

a state of charge of the electrochemical cell or battery,

a temperature of the electrochemical cell or battery,

a voltage of the electrochemical cell or battery,

a load on the electrochemical cell or battery,

charging characteristics of the electrochemical cell or battery,

a status of a protective apparatus disposed on or in the electrochemical cell,

a functioning of the sensor, or

a pressure in the electrochemical cell or battery.

13. The electrochemical cell according to claim 11, wherein the sensor comprises at least one of the following sensor units:

a state of charge sensor unit,

a temperature sensor unit,

a voltage sensor unit, or

a pressure sensor unit.

14. The electrochemical cell according to claim 11, wherein the storage apparatus is designed to store at least one of the following parameters:

a number of previous charging cycles in the electrochemical cell or battery,

characteristics of a previous charging cycles in the electrochemical cell or battery,

a capacitance of the electrochemical cell or battery at a last full charge,

an original capacitance of the electrochemical cell or battery,

a maximum voltage of the electrochemical cell or battery at the last full charge,

an original voltage of the electrochemical cell or battery, or

a manufacturer of the electrochemical cell or battery.

15. The electrochemical cell according to claim 11, further comprising an activating apparatus designed to activate the electro-chemical cell or a battery respectively via the wireless signal transmission unit.

16. A battery comprising a plurality of electrochemical cells in accordance with claim 11.

2. a method for the handling and servicing of an electrochemical cell including in a battery having a plurality of electrochemical cells at least one sensor to acquire parameter data on the electrochemical cell, a storage apparatus including non-volatile memory, and a data transmission unit, the method comprising:

acquiring parameter data on the electrochemical cell or battery respectively;

feeding the acquired parameter data to the storage apparatus;

reading out the stored parameter data from the storage apparatus to the data transmission unit;

wirelessly transmitting the read-out parameter data to a display apparatus via the data transmission unit; and

reading out associated bar code information from the electrochemical cell or battery respectively.

4. (canceled)

7. The method for the handling and servicing according to claim 4, further comprising:

determining whether the control data includes predetermined control values as a function of the bar code information read out or whether the parameter data includes predetermined parameter values as a function of the bar code information read out; and

effecting a command should the predetermined control values or predetermined parameter values be determined.

8. The method for the handling and servicing according to claim 4, further comprising:

determining whether the control data does not include predetermined control values as a function of the bar code information read out or whether the parameter data does not include predetermined parameter values as a function of the bar code information read out; and

effecting a command should the predetermined control values or predetermined parameter values are not determined.