成果報告書詳細
管理番号20120000000329
タイトル*平成22年度中間年報 蓄電複合システム化技術開発 要素技術開発 次世代サービスステーションにおける蓄電・充電統合システムの研究開発(1)
公開日2012/6/27
報告書年度2010 - 2010
委託先名JX日鉱日石エネルギー株式会社
プロジェクト番号P10008
部署名スマートコミュニティ部
和文要約和文要約等以下本編抜粋:
1.研究開発の内容及び成果等
本研究では、需要側での分散電源大量導入を可能とする蓄電池システムとして「蓄電・充電統合システム(Battery & Charger Integration System :BCIS)」の開発を目指す。
英文要約Title :Development of Battery and Charger Integration System (BCIS) at next generation service station" (FY2010-FY2011) FY2010 Annual Report
In this study, we develop the " Battery & Charger Integration System(BCIS)" as the storage system for a large scale dispersed power system on the demand side. JXNOE forecasted the demand of the Quick Charger (QC) Infrastructure at service station in near future (pattern of electric vehicle (EV)s’ visiting the service station and charging), and studied the fundamental design of the operation management process (life prediction of Lithium Ion Battery(LIB)) of BCIS in 2010FY. (1)BCIS demand forecast:It is expected that the 100V/200V charging at home will become a main charging source for EV. However, it is expected that QC at road side will become a charging source in case of the emergency and preparation for the long drive too. Its frequency depends on EV user’s purpose and the charging source environment at home or circumference. Here, the service model was defined by result of our original EV monitor test at the service station installed QC. Moreover, the share of EV in 2020 was forecasted about 4%. By using this 4%, we estimated the number of the EV, the necessary number of QCs and charging places in the Kohoku area of Yokohama City (Tsuzuki-ku). As a result, we estimated that 4 charging places and 2-3 QC/place were necessary in this Kohoku area to keep EV user's convenience. (2)BCIS operation management:The role of BCIS is to reduce the peak load at charging EV. However, because storage capacity of LIB for BCIS is deteriorated, the depression of the ability of this peak load reduction is expected with the progress of the charge and discharge as for the LIB. Therefore, the establishment of maintenance and the check method that can forecast this deterioration of LIB is necessary for the operation of BCIS. We should develop two methods, to forecast the deterioration of LIB and to control the deterioration of LIB. At first, the influence that the usage of LIB gave to charge and discharge cycle life was investigated by using 18650 type LIB cell. "SOC area of operation" and "Ambient temperature" have been changed in this investigation. As a result,(1) even if the usage is changed when the ambient temperature is assumed to be 60℃, deterioration of LIB is serious.(2) The influence of usage on deterioration is small when the ambient temperature is assumed to be 40℃ or lower. From (1) it is suggested that the cooling function would be crucial when the ambient temperature of LIB for BCIS exceeds 40℃. From (2), it is suggested that prediction of deterioration can be done from an accumulated discharge ( or charge ) of LIB. We will study this life prediction method by using the charge and discharge information log of BCIS in the next year.
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