JP5829024B2 - 可撓性固体薄膜リチウムイオン電池 - Google Patents
可撓性固体薄膜リチウムイオン電池 Download PDFInfo
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Description
米国政府は、米国エネルギー省とMidwest Research Instituteの一部門であるNational Renewable Energy Laboratoryとの間で締結された契約番号第DE−AC36−99GO10337号により、本発明に対する権利を有する。
Claims (8)
- 帯状のフレキシブル基板と、
前記フレキシブル基板上に前記帯状の形状に沿って形成された複数の負極集電体と、
リチウムを含む複数の正極と、
複数の埋設リチウム負極と、
前記正極および前記埋設リチウム負極の間に配置された複数の電解質と、
を備え、
前記電解質が前記帯状のフレキシブル基板上に、不連続に複数個形成され、前記正極は複数個形成される前記電解質それぞれの上に形成され、前記埋設リチウム負極は複数個形成される前記電解質それぞれと前記負極集電体との間に埋設され、
前記複数個形成される電解質ならびに前記正極および前記埋設リチウム負極が複数の電池ユニットを形成し、
前記複数の電池ユニットが、前記フレキシブル基板上に形成される導電トレースであって、正極接点が設けられる導電トレースと負極接点が設けられる導電トレースとを少なくとも含む複数の導電トレースにより直列または並列に接続され、
前記フレキシブル基板が前記電池ユニット同士の間で折り曲げられることにより前記複数の電池ユニットのそれぞれが別の電池ユニットの上部に積層されてなる可撓性固体薄膜電気化学装置。 - 前記埋設リチウム負極が、前記電解質と前記負極集電体との間の電気めっき膜からなる請求項1記載の可撓性固体薄膜電気化学装置。
- 前記フレキシブル基板がポリマーである請求項1または2記載の可撓性固体薄膜電気化学装置。
- 前記正極の上に形成された第2の埋設リチウム負極と、リチウムを含む第2の正極と、前記第2の正極と前記第2の埋設リチウム負極との間に配置された第2の電解質とを備える少なくとも1つの第2の電池ユニットをさらに含み、前記第2の埋設リチウム負極は前記第2の電解質の下に埋設されている、請求項1〜3のいずれか1項に記載の可撓性固体薄膜電気化学装置。
- さらに、前記電池ユニットと前記第2の電池ユニットとの間に可撓性絶縁体層を含み、前記第2の電池ユニットは前記可撓性絶縁体層上に設けられた第2の負極集電体を含み、前記第2の埋設リチウム負極が前記第2の電解質と前記第2の負極集電体との間に埋設されてなる請求項4記載の可撓性固体薄膜電気化学装置。
- 可撓性固体薄膜電気化学装置の製造方法であって、
帯状のフレキシブル基板上に、前記帯状の形状に沿って、負極集電体となる複数の導電膜を形成する工程と、
前記帯状のフレキシブル基板上に、前記複数の導電膜に接するように負極用導電トレースを形成する工程と、
薄膜の電解質を前記帯状のフレキシブル基板の前記複数の導電膜上に、不連続に複数個堆積する工程と、
リチウムを含む薄膜からなる複数の正極を前記電解質上に堆積する工程と、
前記フレキシブル基板上に前記複数の正極に接続するように正極用導電トレースを形成する工程と、
前記正極と前記導電膜との間に電圧を印加することにより前記電解質と前記導電膜との間に前記正極から移動するリチウムを含む薄膜からなる複数の埋設負極を形成する工程と、
複数個堆積された前記電解質の間で前記フレキシブル基板を折り曲げる工程と
を含む方法。 - フレキシブル基板上に、それぞれが正極と負極とリチウムベースの電解質とを含む2つの積層電池からなる可撓性固体薄膜電気化学装置を形成する方法であって、
第1の電池を複数個形成する工程と、前記工程は、帯状のフレキシブル基板上に前記帯状の形状に沿って負極集電体となる複数の導電膜を形成し、前記帯状のフレキシブル基板上に前記複数の導電膜に接するように負極用導電トレースを形成し、前記帯状のフレキシブル基板の前記導電膜上に薄膜の電解質を不連続に複数個形成し、前記電解質上に正極集電体を有するリチウムを含む薄膜からなる複数の正極を形成し、前記正極と前記導電膜との間に電圧を印加することにより前記電解質と前記導電膜との間に前記正極から移動するリチウムを含む薄膜からなる複数の埋設負極を形成する工程であり、
前記正極集電体を負極集電体として共有することにより前記第1の電池に直列接続される第2の電池を複数個形成する工程と、前記第2の電池を形成する工程は、前記正極集電体上に第2の電解質を形成し、前記第2の電解質上にリチウムを含む第2の正極を形成し、前記第2の正極と前記第1の電池の正極集電体との間に電圧を印加することにより前記第2の電解質と前記第1の電池の正極集電体との間に前記第2の正極から移動するリチウムを含む第2の埋設負極を形成する工程であり、
前記帯状のフレキシブル基板上に複数個形成された前記第2の電池それぞれの第2の正極に接するように正極用導電トレースを形成する工程と、
複数個形成された前記電解質の間で前記フレキシブル基板を折り曲げる工程
とを含む方法。 - フレキシブル基板上に、それぞれが正極と負極とリチウムベースの電解質とを含む2つの積層電池からなる可撓性固体薄膜電気化学装置を形成する方法であって、
第1の電池を複数個形成する工程と、前記工程は、帯状のフレキシブル基板上に前記帯状の形状に沿って負極集電体となる複数の導電膜を形成し、前記帯状のフレキシブル基板上に前記複数の導電膜に接するように負極用導電トレースを形成し、前記帯状のフレキシブル基板の前記導電膜上に薄膜の電解質を不連続に複数個形成し、前記電解質上に正極集電体を有するリチウムを含む薄膜からなる複数の正極を形成し、前記正極と前記導電膜との間に電圧を印加することにより前記電解質と前記導電膜との間に前記正極から移動するリチウムを含む薄膜からなる複数の埋設負極を形成する工程であり、
前記複数個形成された第1の電池の上に第2の電池を複数個形成する工程と、前記第2の電池を形成する工程は、前記第1の電池の正極集電体上に、可撓性絶縁体層および前記可撓性絶縁体層上の第2の負極集電体を形成し、前記第2の負極集電体上に第2の電解質を形成し、前記第2の電解質上にリチウムを含む第2の正極を形成し、前記第2の正極と前記第2の負極集電体との間に電圧を印加することにより前記第2の電解質と前記第2の負極集電体との間に前記第2の正極から移動するリチウムを含む第2の埋設負極を形成する工程であり、
前記帯状のフレキシブル基板上に複数個形成された前記第2の電池それぞれの第2の正極に接するように正極用導電トレースを形成する工程と、
複数個形成された前記電解質の間で前記フレキシブル基板を折り曲げる工程
とを含む方法。
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PCT/US2008/054897 WO2009108185A1 (en) | 2008-02-25 | 2008-02-25 | Flexible thin film solid state lithium ion batteries |
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JP5829024B2 true JP5829024B2 (ja) | 2015-12-09 |
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US (1) | US10263277B2 (ja) |
EP (1) | EP2248216B1 (ja) |
JP (1) | JP5829024B2 (ja) |
KR (2) | KR101749488B1 (ja) |
WO (1) | WO2009108185A1 (ja) |
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JP2010245031A (ja) * | 2009-03-20 | 2010-10-28 | Semiconductor Energy Lab Co Ltd | 蓄電デバイス及びその作製方法 |
US8580332B2 (en) * | 2009-09-22 | 2013-11-12 | Applied Materials, Inc. | Thin-film battery methods for complexity reduction |
US9136544B2 (en) | 2010-03-11 | 2015-09-15 | Harris Corporation | Dual layer solid state batteries |
DE102010023092A1 (de) * | 2010-05-31 | 2011-12-01 | Varta Microbattery Gmbh | Batterie, Verfahren zur Herstellung einer Batterie und Schaltung mit einer Batterie |
EP2450995A1 (en) * | 2010-11-03 | 2012-05-09 | Nxp B.V. | Battery |
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JP2011513895A (ja) | 2011-04-28 |
EP2248216A4 (en) | 2013-05-08 |
KR101749488B1 (ko) | 2017-07-04 |
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