JP5376364B2 - 固体電解質構造体の製造方法、全固体電池の製造方法、固体電解質構造体及び全固体電池 - Google Patents
固体電解質構造体の製造方法、全固体電池の製造方法、固体電解質構造体及び全固体電池 Download PDFInfo
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Description
LAGP:Li1+xAlxGe2-x(PO4)3
[但し、xは0≦x≦1である。]
又は
LATP:Li1+xAlxTi2-x(PO4)3
[但し、xは0≦x≦1である。]
又は
LLT:Li3xLa2/3-xTiO3
[但し、xは0≦x≦2/3である。]
又は
リチウム(Li)とランタン(La)とジルコニウム(Zr)と酸素(O)からなるガーネット型又はガーネット型類似の結晶構造を有し、アルミニウム(Al)を含有するセラミック材料
であってもよい。
LAGP:Li1+xAlxGe2-x(PO4)3
[但し、xは0≦x≦1である。]
又は
LATP:Li1+xAlxTi2-x(PO4)3
[但し、xは0≦x≦1である。]
又は
LLT:Li3xLa2/3-xTiO3
[但し、xは0≦x≦2/3である。]
又は
リチウム(Li)とランタン(La)とジルコニウム(Zr)と酸素(O)からなるガーネット型又はガーネット型類似の結晶構造を有し、アルミニウム(Al)を含有するセラミック材料
が好ましい。
LVP:LimV2(PO4)3
[但し、mは1≦m≦5である。]
又は
リチウムマンガン複合酸化物:(LiMn2O4等)
又は
リチウムコバルト複合酸化物:(LiCoO2等)
が好ましい。
次に、第1製造方法によって作製される第1固体電解質構造体24(図3B参照)の実施例について図1を参照しながら詳細に説明する。
次に、第3製造方法によって作製される第3固体電解質構造体42(図10B参照)の実施例について図7を参照しながら詳細に説明する。この実施例においても図21に示す濾過器70を用いる。
次に、第6製造方法によって作製される第6固体電解質構造体60(図18B参照)の実施例について図16を参照しながら詳細に説明する。この実施例においても図21に示す濾過器70を用いる。
次に、材料を変えて第1製造方法によって作製される第1固体電解質構造体24(図3B参照)の実施例について説明する。この実施例においても図21に示す濾過器70を用いる。
14…第1微粒子凝集層 16…高分子粒子
18…第2微粒子含有溶液 20…第2微粒子凝集層
22…第1構造体前駆体 24…第1固体電解質構造体
26…孔 28…多孔質固体電解質
28A…第1多孔質固体電解質 28B…第2多孔質固体電解質
30…固体電解質緻密体 32…第2構造体前駆体
34…第2固体電解質構造体 36…第3微粒子含有溶液
38…第3微粒子凝集層 40…第3構造体前駆体
42…第3固体電解質構造体 44…不織布
46…前駆体ゾル溶液 48…前駆体ゲル
50…第4構造体前駆体 52…第4固体電解質構造体
54…第5構造体前駆体 56…第5固体電解質構造体
58…第6構造体前駆体 60…第6固体電解質構造体
62…電池活物質 64…金属膜
66…第1全固体電池 68…第2全固体電池
70…濾過器
Claims (11)
- 構造体前駆体を作製する前駆体作製工程と、
前記構造体前駆体を焼結することによって固体電解質構造体を作製する構造体作製工程とを有する固体電解質構造体の製造方法であって、
前記前駆体作製工程は、
固体電解質の微粒子が凝集した微粒子凝集層を堆積する工程と、
高分子粒子を含み、且つ、固体電解質の微粒子が凝集した高分子粒子含有微粒子凝集層を堆積する工程とを有し、
前記高分子粒子を含み、且つ、前記固体電解質の微粒子が凝集した前記高分子粒子含有微粒子凝集層を堆積する工程は、前記高分子粒子を先に堆積した後、前記固体電解質の微粒子を含む溶液を充填する工程を有し、
前記構造体作製工程は、前記構造体前駆体を焼結して、前記高分子粒子を除去することにより、前記微粒子凝集層が焼結されて形成された固体電解質緻密体と、前記高分子粒子含有微粒子凝集層が焼結により前記高分子粒子が除去されて形成された多孔質固体電解質とが一体化した固体電解質構造体を作製することを特徴とする固体電解質構造体の製造方法。 - 請求項1記載の固体電解質構造体の製造方法において、
前記前駆体作製工程は、
基材上に、前記固体電解質の微粒子が凝集した前記微粒子凝集層を堆積する工程と、
前記高分子粒子を含み、且つ、前記固体電解質の微粒子が凝集した前記高分子粒子含有微粒子凝集層を前記微粒子凝集層上に堆積する工程とを有することを特徴とする固体電解質構造体の製造方法。 - 請求項1記載の固体電解質構造体の製造方法において、
前記前駆体作製工程は、
基材上に、前記高分子粒子を含み、且つ、前記固体電解質の微粒子が凝集した前記高分子粒子含有微粒子凝集層を堆積する工程と、
前記固体電解質の微粒子が凝集した前記微粒子凝集層を前記高分子粒子含有微粒子凝集層上に堆積する工程とを有することを特徴とする固体電解質構造体の製造方法。 - 請求項1記載の固体電解質構造体の製造方法において、
前記前駆体作製工程は、
基材上に、前記高分子粒子を含み、且つ、前記固体電解質の微粒子が凝集した第1高分子粒子含有微粒子凝集層を堆積する工程と、
前記固体電解質の微粒子が凝集した前記微粒子凝集層を前記第1高分子粒子含有微粒子凝集層上に堆積する工程と、
前記高分子粒子を含み、且つ、前記固体電解質の微粒子が凝集した第2高分子粒子含有微粒子凝集層を前記微粒子凝集層上に堆積する工程とを有することを特徴とする固体電解質構造体の製造方法。 - 請求項1〜4のいずれか1項に記載の固体電解質構造体の製造方法において、
前記高分子粒子は、ポリスチレン又はポリメチルメタクリレート(PMMA)であることを特徴とする固体電解質構造体の製造方法。 - 請求項1〜5のいずれか1項に記載の固体電解質構造体の製造方法において、
前記固体電解質は、
LAGP:Li1+xAlxGe2-x(PO4)3
[但し、xは0≦x≦1である。]
又は
LATP:Li1+xAlxTi2-x(PO4)3
[但し、xは0≦x≦1である。]
又は
LLT:Li3xLa2/3-xTiO3
[但し、xは0≦x≦2/3である。]
又は
リチウム(Li)とランタン(La)とジルコニウム(Zr)と酸素(O)からなるガーネット型又はガーネット型類似の結晶構造を有し、アルミニウム(Al)を含有するセラミック材料
であることを特徴とする固体電解質構造体の製造方法。 - 請求項1〜6のいずれか1項に記載の固体電解質構造体の製造方法において、
前記構造体作製工程は、前記構造体前駆体を加圧する処理を含むことを特徴とする固体電解質構造体の製造方法。 - 請求項1記載の固体電解質構造体の製造方法にて製造された前記固体電解質構造体の前記多孔質固体電解質に電池活物質を充填する工程と、
対極を前記固体電解質構造体の前記多孔質固体電解質とは反対側の面に形成して全固体電池を作製する工程と、
を有する全固体電池の製造方法。 - 請求項1記載の固体電解質構造体の製造方法にて製造された前記固体電解質構造体の前記多孔質固体電解質に電池活物質を充填して全固体電池を作製することを特徴とする全固体電池の製造方法。
- 請求項1〜7のいずれか1項に記載の固体電解質構造体の製造方法にて製造されたことを特徴とする固体電解質構造体。
- 請求項8又は9記載の全固体電池の製造方法にて製造されたことを特徴とする全固体電池。
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JP2009034371A JP5376364B2 (ja) | 2008-03-07 | 2009-02-17 | 固体電解質構造体の製造方法、全固体電池の製造方法、固体電解質構造体及び全固体電池 |
US12/399,209 US8309257B2 (en) | 2008-03-07 | 2009-03-06 | Method for producing solid electrolyte structure with porous portion and dense portion |
EP09250657A EP2099086B1 (en) | 2008-03-07 | 2009-03-09 | Method for producing solid electrolyte structure, method for producing all-solid-state-cell, solid electrolyte structure, and all-solid-state-cell |
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JP2016040767A (ja) * | 2014-08-12 | 2016-03-24 | 日本特殊陶業株式会社 | リチウムイオン伝導性セラミックス材料及びリチウム電池 |
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US8309257B2 (en) | 2012-11-13 |
US20090226790A1 (en) | 2009-09-10 |
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JP2009238739A (ja) | 2009-10-15 |
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