Sensor apparatus for a battery cell of an electrical energy store, battery cell, method for producing said cell and method for transmitting sensor data inside said cell
First Claim
1. A sensor apparatus for a battery cell of an electrical energy reservoir, the battery cell having a housing, wherein the sensor apparatus comprises:
- a sensing device sensing sensor data with regard to the battery cell, the sensing device being located inside the housing of the battery cell and having a coupling element for inductive emission of the sensor data and for inductive reception of electrical power; and
an evaluation device evaluating the sensor data, the evaluation device being located inside the housing of the battery cell and having a transfer element for inductive transfer of electrical power to the sensing device and for inductive reception of the sensor data from the sensing device,wherein the evaluation device and the transfer element for inductive transfer and inductive reception are hermetically encapsulated and are located inside the housing of the battery cell, and wherein the housing of the battery cell corresponds to a housing of only a single battery cell.
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Abstract
A sensor apparatus for a battery cell of an electrical energy reservoir is provided, which battery cell has a housing. The sensor apparatus has: a sensing device for sensing sensor data with regard to the battery cell, which sensing device is located inside the housing of the battery cell and has a coupling element for inductive emission of the sensor data and for inductive reception of electrical power; an evaluation device for evaluating the sensor data, which evaluation device is located inside or outside the housing of the battery cell and has a transfer element for inductive transfer of electrical power to the sensing apparatus and for inductive reception of the sensor data from the sensing apparatus.
13 Citations
19 Claims
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1. A sensor apparatus for a battery cell of an electrical energy reservoir, the battery cell having a housing, wherein the sensor apparatus comprises:
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a sensing device sensing sensor data with regard to the battery cell, the sensing device being located inside the housing of the battery cell and having a coupling element for inductive emission of the sensor data and for inductive reception of electrical power; and an evaluation device evaluating the sensor data, the evaluation device being located inside the housing of the battery cell and having a transfer element for inductive transfer of electrical power to the sensing device and for inductive reception of the sensor data from the sensing device, wherein the evaluation device and the transfer element for inductive transfer and inductive reception are hermetically encapsulated and are located inside the housing of the battery cell, and wherein the housing of the battery cell corresponds to a housing of only a single battery cell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 11, 12, 13)
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8. A battery cell for an electrical energy reservoir, the battery cell comprising:
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an electrochemical reaction apparatus having an anode electrode connected to a first battery terminal, and a cathode electrode connected to a second battery terminal; a housing inside which the electrochemical reaction apparatus is received, the first battery terminal and the second battery terminal being guided out of the housing; a sensor apparatus including;
(i) a sensing device sensing sensor data with regard to the battery cell, the sensing device being located inside the housing of the battery cell and having a coupling element for inductive emission of the sensor data and for inductive reception of electrical power; and
(ii) an evaluation device evaluating the sensor data, the evaluation device being inserted inside the housing of the battery cell, between the first and second battery terminals, and the evaluation device having a transfer element for inductive transfer of electrical power to the sensing device and for inductive reception of the sensor data from the sensing device, and wherein the evaluation device and the transfer element for inductive transfer and inductive reception are hermetically encapsulated and are located inside the housing of the battery cell, and wherein the housing of the battery cell corresponds to a housing of only a single battery cell. - View Dependent Claims (14, 15)
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9. A method for manufacturing a battery cell of an electrical energy reservoir, comprising:
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providing an electrochemical reaction apparatus which has an anode electrode connected to a first battery terminal and a cathode electrode connected to a second battery terminal; providing a sensing device for sensing sensor data with regard to the battery cell, the sensing device having a coupling element for inductive emission of the sensor data and for inductive reception of electrical power; providing an evaluation device for evaluating the sensor data, the evaluation device having a transfer element for inductive transfer of electrical power to the sensing device and for inductive reception of the sensor data from the sensing device, the evaluation device and the transfer element for inductive transfer and inductive reception being hermetically encapsulated; connecting the evaluation device to the first battery terminal and to the second battery terminal; attaching the sensing device adjacently to the evaluation device so that an inductive coupling is produced between the coupling element of the sensing device and the transfer element of the evaluation device; and enclosing at least the electrochemical reaction apparatus, the evaluation device, and the sensing device using a housing, wherein the first battery terminal and the second battery terminal are guided out of the housing, and wherein the evaluation device and the transfer element for inductive transfer and inductive reception are located inside the housing of the battery cell, and wherein the housing of the battery cell corresponds to a housing of only a single battery cell. - View Dependent Claims (16, 17)
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10. A method for transferring sensor data inside a battery cell of an electrical energy reservoir, comprising:
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providing a battery cell which has;
an electrochemical reaction apparatus having an anode electrode connected to a first battery terminal and having a cathode electrode connected to a second battery terminal;
a housing inside which the electrochemical reaction apparatus is received, the first battery terminal and the second battery terminal being guided out of the housing; and
a sensor apparatus located at least partly inside the housing of the battery cell and having (i) a sensing device which includes a coupling element and (ii) an evaluation device having a transfer element configured for inductive transfer of electrical power to the sensing device and for inductive reception of the sensor data from the sensing device, the evaluation device of the sensor apparatus being inserted electrically, inside the housing of the battery cell, between the first battery terminal and the second battery terminal, wherein the sensing device and the evaluation device are both located inside the housing of the battery cell such that the evaluation device and the transfer element are hermetically encapsulated and located inside the housing of the battery cell, and wherein the housing of the battery cell corresponds to a housing of only a single battery cell;inductively emitting, by way of the coupling element of the sensing device, sensor data with regard to the battery cell which have been sensed by way of the sensing device; and inductively receiving the emitted sensor data from the sensing apparatus by way of the transfer element of the evaluation device for evaluation of the received sensor data. - View Dependent Claims (18, 19)
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Specification