JP6334720B2 - シアノメタレート正極電池、及び製造方法 - Google Patents
シアノメタレート正極電池、及び製造方法 Download PDFInfo
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- JP6334720B2 JP6334720B2 JP2016550658A JP2016550658A JP6334720B2 JP 6334720 B2 JP6334720 B2 JP 6334720B2 JP 2016550658 A JP2016550658 A JP 2016550658A JP 2016550658 A JP2016550658 A JP 2016550658A JP 6334720 B2 JP6334720 B2 JP 6334720B2
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Description
(1)電池の放電。ナトリウム金属は、負極側でナトリウムイオンを発生させ、イオンは、電解質を通ってBG正極にインターカレーションする。
(2)電池の充電。ナトリウムイオンは、BG電極から脱インターカレーションし、負極側へ移動する。負極は、硬い炭素とナトリウム金属とからなり、ナトリウムイオンと硬い炭素との反応の電位は、ナトリウム金属上へのナトリウムの堆積の電位よりも高いので、ナトリウムイオンは、硬い炭素と反応することを好む。
(3)上記2つの工程を数回繰り返して、形成工程は完了する。
(1)SODIUM IRON(II)-HEXACYANOFERRATE(II) BATTERY ELECTRODE AND SYNTHESIS METHOD、Yuhao Luらによる発明、シリアル番号14/067,038、出願2013年10月30日、アトーニドケット No.SLA3315(2)TRANSITION Metal HexacyanoMETALLATE-CONDUCTIVE POLYMER COMPOSITE、Sean Vail らによる発明、シリアル番号14/059,599、出願2013年10月22日、アトーニドケット No.SLA3336(3)Metal-Doped Transition Metal Hexacyanoferrate (TMHCF) Battery Electrode、Yuhao, Luらによる発明、シリアル番号13/907,892、出願2013年6月1日、アトーニドケット No.SLA3287(4)HEXACYANOFERRATE BATTERY ELECTRODE MODIFIED WITH FERRPCYANIDES OR FERRICYANIDES、Yuhao Luらによる発明、シリアル番号13/897,492、出願2013年5月20日、アトーニドケット No.SLA3286(5)PROTECTED TRANSITION METAL HEXACYANOFERRATE BATTERY ELECTRODE、Yuhao Luらによる発明、シリアル番号13/872,673、出願2013年4月29日、アトーニドケット No.SLA3285(6)TRANSITION METAL HEXCYANOFERRATE BATTERY CATHODE WITH SINGLE PLATEAU CHARGE/DISCHARGE CURVE、Yuhao Luらによる発明、シリアル番号13/752,930、出願2013年1月29日、アトーニドケット No.SLA3265(7)SUPERCAPACITOR WITH HEXACYANOMETALLATE CATHODE, ACTIVATED CARBON ANODE, AND AQUEOUS ELECTROLYTE、Yuhao Luらによる発明、シリアル番号13/603,322、出願2012年9月4日、アトーニドケット No.SLA3212(8)IMPROVEMENT OF ELECTRON TRASPORT IN HEXACYANOMETALLATE ELECTRODE FOR ELECTROCHEMICAL APPLICATIONS、Yuhao らによる発明、シリアル番号13/523,694、出願2012年6月14日、アトーニドケット No.SLA3152(9)ALKALI AND ALKALINE-EARTH ION BATTERIES WITH HEXACYANOMETALLATE CATHODE AND NON-METAL ANODE、Yuhao Luらによる発明、シリアル番号13/449,195、出願2012年4月17日、アトーニドケット No.SLA3151(10)Electrode Forming Process for Matal-Ion Battery with HEXAcyanometallate Electrode、Yuhaho Luらによる発明、シリアル番号13/432,993、出願2012年3月28日、アトーニドケット No.SLA3146。
Claims (17)
- シアノメタレート正極電池を製造する方法であって、
前記方法は、
AXM1YM2Z(CN)N・mH2Oの正極を提供する工程であって、Aは第1のグループの金属から選択され、M1とM2とは遷移金属であり、Xは2以下の数であり、Yは1以下の数であり、Zは1以下の数であり、Nは6以下の数であり、mは20以下の数である工程、
負極を提供する工程、
前記正極から前記負極を分離する金属イオン透過性膜を提供する工程、
前記第1のグループの金属から選択されるB金属イオンを含む第3の電極を提供する工程、
前記第3の電極から、前記正極、または前記負極と正極との両者に、B金属イオンをインターカレーションする工程、及び、
完成された電池を提供する工程を含む、方法。 - さらに、前記正極、または前記負極と正極との両者の表面を覆う、前記B金属イオンを含む固体電解質界面(SEI)を形成する工程を含む、請求項1に記載の方法。
- 前記完成された電池を形成する工程の後に、
前記正極と前記負極との間に電池外部の電位差を形成することに応答して、前記電池を放電する工程、及び、
BDAX’M1YM2Z(CN)N・mH2Oの正極を形成工程であって、d>0であり、X’はX以下の数である工程をさらに含む、請求項1に記載の方法。 - 前記完成された電池を形成する工程の後に、
前記負極と前記正極との間に電池外部の電位差を形成することに応答して、前記電池を充電する工程、及び、
インターカレーションされたB金属イオンを含む負極を形成する工程をさらに含む、請求項1に記載の方法。 - 前記第1のグループの金属が、アルカリ金属、アルカリ土類金属、及びアルカリ金属とアルカリ土類金属との組み合わせからなる群から選択されるものである、請求項1に記載の方法。
- 前記第1のグループの金属が、リチウム(Li)、ナトリウム(Na)、カリウム(K)、ルビジウム(Rb)、セシウム(Cs)、カルシウム(Ca)、及びマグネシウム(Mg)からなる金属の群から選択されるものである、請求項5に記載の方法。
- M1とM2とは、それぞれ、独立に、チタン(Ti)、バナジウム(V)、クロム(Cr)、マンガン(Mn)、鉄(Fe)、コバルト(Co)、ニッケル(Ni)、銅(Cu)、亜鉛(Zn)、Ca、及びMgからなる群から選択されるものである、請求項1に記載の方法。
- 前記第3の電極から前記選択された電極へB金属イオンをインターカレーションする工程の後に、さらに、前記第3の電極を除去することを含む、請求項1に記載の方法。
- 前記第3の電極と前記正極とを電解質に浸漬する工程、及び、
前記正極と前記第3の電極との間に電池外部の電位差を形成する工程をさらに含む、請求項1に記載の方法。 - 前記第3の電極と前記正極とを電解質に浸漬する工程、
前記正極と前記第3の電極との間に電池外部の電位差を生じさせる工程、
前記負極と前記正極とを電解質に浸漬する工程、
前記負極と前記正極との間に電池外部の電位差を生じさせる工程、及び、
前記正極からB金属イオンを脱インターカレーションし、かつ、前記負極へ前記B金属イオンを前記負極へインターカレーションする工程をさらに含む、請求項1に記載の方法。 - 前記負極と前記第3の電極との間に、直接の、低抵抗の接触を形成する工程、
前記負極と前記正極とを電解質に浸漬する工程、及び、
前記正極と前記負極との間に電池外部の電位差を形成する工程をさらに含み、
前記第3の電極から前記選択された電極へB金属イオンをインターカレーションする工程は、前記負極から前記正極へB金属イオンをインターカレーションすることを含む、請求項1に記載の方法。 - 前記負極を提供する工程は、炭素(C)、ケイ素(Si)、アンチモン(Sb)、鉛(Pb)、スズ(Sn)、及びリン(P)からなる群から選択された材料から作られた負極を提供することを含む、請求項1に記載の方法。
- 電解質、
電池充電状態においてAX’M1YM2Z(CN)N・mH2Oである正極であって、Aは第1のグループの金属から選択され、M1とM2とは遷移金属であり、X’は2以下の数であり、Yは1以下の数であり、Zは1以下の数であり、Nは6以下の数であり、mは20以下の数である正極、
前記電池充電状態において、前記第1のグループの金属から選択されるB金属イオンを含む負極、及び、
前記正極から前記負極を分離する金属イオン透過性膜を含み、
前記正極は、電池放電状態において、BDAX’M1YM2Z(CN)N・mH2O、d>0であり、
前記正極、または前記負極と前記正極との両者の表面を覆う、前記B金属イオンを含む固体電解質界面(SEI)を含む、シアノメタレート正極電池。 - 前記第1のグループの金属は、アルカリ金属、アルカリ土類金属、及びアルカリ金属とアルカリ土類金属との組み合わせからなる群から選択されるものである、請求項13に記載の電池。
- 前記第1のグループの金属は、リチウム(Li)、ナトリウム(Na)、カリウム(K)、ルビジウム(Rb)、セシウム(Cs)、カルシウム(Ca)、及びマグネシウム(Mg)からなる金属の群から選択されるものである、請求項14に記載の電池。
- M1とM2とは、それぞれ、独立に、チタン(Ti)、バナジウム(V)、クロム(Cr)、マンガン(Mn)、鉄(Fe)、コバルト(Co)、ニッケル(Ni)、銅(Cu)、亜鉛(Zn)、カルシウム(Ca)、及びマグネシウム(Mg)からなる群から選択されるものである、請求項13に記載の電池。
- 前記負極は、炭素(C)、ケイ素(Si)、アンチモン(Sb)、鉛(Pb)、スズ(Sn)、及びリン(P)からなる群から選択された材料を含むものである、請求項13に記載の電池。
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