Electrochemical energy store
First Claim
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1. An electrochemical energy store comprising:
- 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.
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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.
23 Citations
15 Claims
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1. 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. 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; 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.
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15. 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, and the electrochemical cells include a lithium ion accumulator.
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Specification