Electrochemical energy store
First Claim
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1. An electrochemical energy store comprising:
- at least one electrochemical cell;
at least one latent heat storage unit, which includes at least one phase change material; and
at least one tempering device, which is accommodated in the latent heat storage unit;
wherein the at least one electrochemical cell is a lithium ion accumulator.
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Abstract
An electrochemical energy store, including at least one electrochemical cell as well as at least one latent heat storage unit, which includes at least one phase change material. The at least one electrochemical cell is a lithium ion accumulator. The exemplary embodiments and/or exemplary methods of the present invention also includes the use of the electrochemical energy store in an electric vehicle or a hybrid vehicle. Furthermore, the exemplary embodiments and/or exemplary methods of the present invention relates to a method for temperature regulation of an electrochemical energy store.
11 Citations
21 Claims
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1. An electrochemical energy store comprising:
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at least one electrochemical cell; at least one latent heat storage unit, which includes at least one phase change material; and at least one tempering device, which is accommodated in the latent heat storage unit; wherein the at least one electrochemical cell is a lithium ion accumulator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electrochemical energy store, comprising:
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at least one electrochemical cell; and at least one latent heat storage unit, which includes at least one phase change material; wherein the at least one electrochemical cell is a lithium ion accumulator, wherein the electrochemical energy store includes at least two electrochemical cells and each of the electrochemical cells is enclosed by a latent heat storage unit, wherein the electrochemical cells enclosed by the latent heat storage unit are surrounded by a heat conducting material, wherein a tempering device is accommodated in the heat conducting material, and wherein the latent heat storage unit is enclosed by a second latent heat storage unit. - View Dependent Claims (11, 12, 13)
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14. An electrochemical energy store comprising:
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at least one electrochemical cell enclosed by a heat conducting material; at least two latent heat storage units accommodated in the heat conducting material, which includes at least one phase change material; and at least one tempering device accommodated in each of the latent heat storage units; wherein the at least one electrochemical cell is a lithium ion accumulator.
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15. An electrochemical energy store comprising:
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at least one electrochemical cell; and at least one latent heat storage unit, which includes at least one phase change material; wherein the at least one electrochemical cell is a lithium ion accumulator, wherein a tempering device is accommodated in the latent heat storage unit, and wherein the tempering device includes at least one pipe having a tempering medium flowing through it.
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16. An electrochemical energy store for use in an electric vehicle or in an hybrid vehicle so as to provide the electric energy for the driving operation, comprising:
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at least one electrochemical cell; at least one latent heat storage unit, which includes at least one phase change material; and at least one tempering device accommodated in the latent heat storage unit; wherein the at least one electrochemical cell is a lithium ion accumulator. - View Dependent Claims (17, 18, 19, 20)
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21. A method for temperature regulation of an electrochemical energy store, the method comprising:
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measuring a temperature in electrochemical cells of the electrochemical energy store; and activating at least one phase change material to go through the phase change, and because of the phase change, heat being absorbed by the phase change material if a specified maximum temperature is reached or exceeded in the electrochemical energy store, or, because of the phase change, heat being given off by the at least one phase change material if a specified minimum temperature is reached or undershot in the electrochemical energy store; wherein the electrochemical energy store includes the electrochemical cells, at least one latent heat storage unit, which includes at least one phase change material, at least one tempering device accommodated in the latent heat storage unit, and wherein the electrochemical cells include a lithium ion accumulator.
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Specification