POWER STORAGE ELEMENT

PROBLEM TO BE SOLVED: To provide a power storage element which secures exhaust heat from the electrode body when the winding center part temperature of the wound electrode body is hot and suppresses waste heat from the electrode body to the outside when the electrode body temperature is low.SOLUTION...

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Bibliographische Detailangaben
1. Verfasser:	YAMAFUKU TARO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power storage element which secures exhaust heat from the electrode body when the winding center part temperature of the wound electrode body is hot and suppresses waste heat from the electrode body to the outside when the electrode body temperature is low.SOLUTION: A power storage element 1 includes: a case 3; and an electrode body 2 housed in the case 3 and having a heat transmission part 26 by which an electrode and a wound part 25 whose outside is wound by an electrode, and the wound part 25 and the case 3 are respectively connected to each other so as to conduct heat. Heat conductivity of the wound part 25 is higher than that of the heat transmission part 26.SELECTED DRAWING: Figure 4 【課題】巻回型の電極体の巻回中心部が高温のときの電極体からの排熱性が確保されると共に、電極体が低温のときの電極体から外部への排熱が抑えられる蓄電素子を提供する。【解決手段】蓄電素子１は、ケース３と、ケース３に収容される電極体２であって、電極、電極が外側に巻回されている被巻回部２５及び被巻回部２５とケース３とを熱伝導可能に接続する伝熱部２６を有する電極体２と、を備える。被巻回部２５の熱伝導率は、伝熱部２６の熱伝導率より大きいことを特徴とする。【選択図】図４