BATTERY SYSTEM, METHOD FOR PRODUCING BATTERY SYSTEM, AND BATTERY CONTROL APPARATUS
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Abstract
The object of the present invention is to provide a battery system in which reductive decomposition of a Ge-containing solid electrolyte material is restricted. The present invention attains the object by providing a battery system including a battery and a control apparatus, wherein the battery has a cathode active material layer containing a cathode active material, an anode active material layer containing a Si-containing anode active material, and an electrolyte layer formed between the cathode active material layer and the anode active material layer, at least one of the anode active material layer and the electrolyte layer contains a Ge-containing solid electrolyte material, and the control apparatus is an apparatus to control an electric potential of the Si-containing anode active material so as to be reduction potential or less of the Ge-containing solid electrolyte material.
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Citations
24 Claims
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1-12. -12. (canceled)
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13. A battery system comprising a battery and a control apparatus, wherein
the battery has a cathode active material layer containing a cathode active material, an anode active material layer containing a Si-containing anode active material, and an electrolyte layer formed between the cathode active material layer and the anode active material layer, at least one of the anode active material layer and the electrolyte layer comprises a Ge-containing solid electrolyte material, and the control apparatus is an apparatus to control an electric potential of the Si-containing anode active material so as to be reduction potential or less of the Ge-containing solid electrolyte material.
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23. A method for producing a battery system, the battery comprises a battery and a control apparatus, wherein the method for producing a battery system comprises steps of:
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assembling the battery, the battery has a cathode active material layer containing a cathode active material, an anode active material layer containing a Si-containing anode active material, and an electrolyte layer formed between the cathode active material layer and the anode active material layer, in which at least one of the anode active material layer and the electrolyte layer comprises a Ge-containing solid electrolyte material; and
;installing the control apparatus to control an electric potential of the Si-containing anode active material so as to be reduction potential or less of the Ge-containing solid electrolyte material.
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24. A battery control apparatus, configured to control an electric potential of a Si-containing anode active material so as to be reduction potential or less of a Ge-containing solid electrolyte material with respect to a battery, in which the battery has a cathode active material layer containing a cathode active material, an anode active material layer containing the Si-containing anode active material, and an electrolyte layer formed between the cathode active material layer and the anode active material layer, and at least one of the anode active material layer and the electrolyte layer comprises the Ge-containing solid electrolyte material.
Specification