POWER STORAGE SYSTEM, POWER SOURCE, DRIVE DEVICE, POWER CONTROL DEVICE, AND POWER STORAGE STATE EQUALIZATION METHOD

To provide a power storage system in which the charge state of a cell group using a non-aqueous secondary battery such as a lithium ion secondary battery can be equalized safely at low cost.SOLUTION: A power storage system includes a first cell group formed by connecting cells of non-aqueous seconda...

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1. Verfasser:	NOZU RYUTARO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Zusammenfassung:	To provide a power storage system in which the charge state of a cell group using a non-aqueous secondary battery such as a lithium ion secondary battery can be equalized safely at low cost.SOLUTION: A power storage system includes a first cell group formed by connecting cells of non-aqueous secondary batteries in series, and a second cell group formed by connecting cells of aqueous secondary batteries in series. One or more cells of the second cell group are connected in parallel with each of the cells of the first cell group.SELECTED DRAWING: Figure 1 【課題】リチウムイオン二次電池等の非水系二次電池を用いるセル群における充電状態の均等化を安全且つ低コストで行うことができる蓄電システムを提供する。【解決手段】非水系二次電池のセルを複数直列に接続してなる第１セル群と、水系二次電池のセルを複数直列に接続してなる第２セル群と、を有し、前記第１セル群の各セルに対して前記第２セル群の１以上のセルが並列に接続されていることを特徴とする、蓄電システム。【選択図】図１