JP2022501774A - リチウム金属固体電池用のナノ合金界面層 - Google Patents
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Abstract
Description
Li3PS4+5Li→P+4Li2S
P+3Li→Li3P
Li10GeP2S12+10Li→2P+8Li2S+Li4GeS4
P+3Li→Li3P
4Li4GeS4+31Li→16Li2S+Li15Ge4
Li10GeP2S12では、Ge4+とP5+との両方が、示されているようにして、還元される。
6Li7La3Zr2O12+40Li→4Zr3O+41Li2O+9La2O3
Zr3O+2Li→Li2O+3Zr
La2O3+6Li→2La+3Li2O
集電体と、
集電体上の電極活性層と、を含み、
電極活性層は、リチウム金属又はリチウム金属合金を含み、リチウム金属又はリチウム金属合金は、元素Mを、第2族元素と、第8族元素〜第16族元素と、から選択される少なくとも1つの元素としたときに、元素Mからなるナノ粒子を含む又は元素Mのリチウム合金からなるナノ粒子を含む均一なナノ合金粒子組成物からなる表面層を有している、固体リチウム電池用の電極を含む。
xLi2S・yP2S5・(100−x−y)B (I)
であり、ここで、Bは、Li3N、P2O5、Li2O、LiN3、GeS2、又は、XをI、Cl、又はBrとした場合のLiX、を含む材料からなる群から選択される複合材料であり、x及びyのそれぞれは、Li2S、P2S5、及びBの合計質量%が100%であるように、33.3質量%〜50質量%の値を表す。
xLi2S・yP2S5・(100−x−y)B
ここで、Bは、Li3N、P2O5、Li2O、LiN3、GeS2、又は、XをI、Cl、又はBrとした場合のLiX、を含む材料からなる群から選択される複合材料であり、x及びyのそれぞれは、Li2S、P2S5、及びBの合計質量%が100%であるように、33.3質量%〜50質量%の値を表す。また、関心のあるチオリン酸リチウム化合物としては、Li3PS4、Li7P3S11、及びLi10GeP2S11が挙げられる。このような複合材料の合成は、2018年7月24日付けで出願された米国特許出願第16/043,944号明細書に記載されており、その開示は、参照により本明細書に援用される。
Claims (18)
- 固体リチウム電池用の電極であって、
集電体と、
前記集電体上の電極活性層と、を含み、
前記電極活性層は、リチウム金属又はリチウム金属合金を含み、前記リチウム金属又は前記リチウム金属合金は、元素Mを、第2族元素と、第8族元素〜第16族元素と、から選択される少なくとも1つの元素としたときに、前記元素Mからなるナノ粒子を含む又は前記元素Mのリチウム合金からなるナノ粒子を含む均一なナノ合金粒子組成物からなる表面層を有している、固体リチウム電池用の電極。 - 前記元素Mは、Ag、Al、As、Bi、Ca、Cd、Ga、Ge、In、Mg、N、Pb、Pd、Pt、Rh、Ru、S、Sb、Se、Si、Sn、Sr、Te、Tl、及びZn、からなる群から選択される元素である、請求項1に記載の、固体リチウム電池用の電極。
- 前記ナノ粒子組成物からなる前記表面層の厚さは、1nm〜100nmである、請求項1に記載の、固体リチウム電池用の電極。
- 固体リチウム電池であって、
請求項1に記載の、固体リチウム電池用の少なくとも1つの電極と、
前記均一なナノ合金粒子組成物からなる前記表面層に対して直接的に接触した固体電解質と、を含む、固体リチウム電池。 - 固体リチウム電池であって、
リチウム金属又はリチウム合金金属からなるアノードと、
固体電解質と、
カソードと、を含み、
合金成分Mを、リチウムと合金化可能な元素であるとともに、第2族元素と、第8族元素〜第16族元素と、から選択される元素としたときに、前記アノード金属と前記固体電解質との間には、LiM合金ナノ粒子とM元素ナノ粒子とのうちの少なくとも一方からなる界面領域が、均一に配置されている、固体リチウム電池。 - 前記元素Mは、Ag、Al、As、Bi、Ca、Cd、Ga、Ge、In、Mg、N、Pb、Pd、Pt、Rh、Ru、S、Sb、Se、Si、Sn、Sr、Te、Tl、及びZn、からなる群から選択される元素である、請求項5に記載の固体リチウム電池。
- 前記界面領域の厚さは、1nm〜100nmである、請求項5に記載の固体リチウム電池。
- 前記固体電解質は、式(I)のチオリン酸リチウム複合体、Li3PS4、Li7P3S11、Li7P3S11、及びLi10GeP2S11、からなる群から選択されるチオリン酸リチウムであり、
前記式(I)は、
xLi2S・yP2S5・(100−x−y)B (I)
であり、
ここで、Bは、Li3N、P2O5、Li2O、LiN3、GeS2、又は、XをI、Cl、又はBrとした場合のLiX、を含む材料からなる群から選択される複合材料であり、x及びyのそれぞれは、Li2S、P2S5、及びBの合計質量%が100%であるように、33.3質量%〜50質量%の値を表す、請求項5に記載の固体リチウム電池。 - 前記チオリン酸リチウムは、LiI、LiBr、LiCl、Li3N、LiPON、Li3P、Li2O、Li3BO3、及びLiBH4、からなる群から選択されるリチウム塩を含む、請求項8に記載の固体リチウム電池。
- 前記カソードは、リチウムコバルト酸化物(LiCoO2)、リチウムマンガン酸化物(LiMn2O4)、リン酸鉄リチウム(LiFePO4)、及びリチウムニッケルマンガンコバルト酸化物、からなる群から選択されるリチウム金属酸化物を含む、請求項5に記載の固体リチウム電池。
- 前記カソードは、リチウムコバルト酸化物(LiCoO2)、リチウムマンガン酸化物(LiMn2O4)、リン酸鉄リチウム(LiFePO4)、及びリチウムニッケルマンガンコバルト酸化物、からなる群から選択されるリチウム金属酸化物を含む、請求項8に記載の固体リチウム電池。
- 前記カソードは、元素硫黄、セレン、テルル、又は、これらのうちの2つ以上からなる混合物、を含む、請求項5に記載の固体リチウム電池。
- 前記カソードは、元素硫黄、セレン、テルル、又は、これらのうちの2つ以上からなる混合物、を含む、請求項8に記載の固体リチウム電池。
- 前記アノードは、リチウム金属であり、
前記固体電解質は、式(I)の材料であり、
前記式(I)は、
xLi2S・yP2S5・(100−x−y)B (I)
であり、
ここで、Bは、Li3N、P2O5、Li2O、LiN3、GeS2、又は、XをI、Cl、又はBrとした場合のLiX、を含む材料からなる群から選択される複合材料であり、x及びyのそれぞれは、Li2S、P2S5、及びBの合計質量%が100%であるように、33.3質量%〜50質量%の値を表す、請求項5に記載の固体リチウム電池。 - 前記カソードは、リチウムコバルト酸化物(LiCoO2)、リチウムマンガン酸化物(LiMn2O4)、リン酸鉄リチウム(LiFePO4)、及びリチウムニッケルマンガンコバルト酸化物、からなる群から選択されるリチウム金属酸化物を含む、請求項14に記載の固体リチウム電池。
- 前記カソードは、元素硫黄、セレン、テルル、又は、これらのうちの2つ以上からなる混合物、を含む、請求項14に記載の固体リチウム電池。
- 前記元素Mは、Ag、Al、As、Bi、Ca、Cd、Ga、Ge、In、Mg、N、Pb、Pd、Pt、Rh、Ru、S、Sb、Se、Si、Sn、Sr、Te、Tl、及びZn、からなる群から選択される元素である、請求項14に記載の固体リチウム電池。
- 前記界面領域の厚さは、1nm〜100nmである、請求項14に記載の固体リチウム電池。
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| US16/141,609 US12080880B2 (en) | 2018-09-25 | 2018-09-25 | Nano-alloy interphase for lithium metal solid state batteries |
| US16/141,609 | 2018-09-25 | ||
| PCT/US2019/052379 WO2020068635A1 (en) | 2018-09-25 | 2019-09-23 | Nano-alloy interphase for lithium metal solid state batteries |
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| WO2026004008A1 (ja) * | 2024-06-26 | 2026-01-02 | 日産自動車株式会社 | 全固体電池の製造方法、全固体電池製造用の積層体 |
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| CN113594426A (zh) * | 2020-04-30 | 2021-11-02 | 天津中能锂业有限公司 | 表面合金化的金属锂箔及其制备方法、金属锂负极和锂电池 |
| GB2597983A (en) * | 2020-08-13 | 2022-02-16 | Dyson Technology Ltd | An electrode architecture and method of making the electrode architecture |
| GB2597982B (en) * | 2020-08-13 | 2024-11-20 | Dyson Technology Ltd | An electrode architecture and method of making the electrode architecture |
| CN112259786B (zh) * | 2020-10-10 | 2022-07-12 | 南京航空航天大学 | 一种LiBH4-LiI-P2S5三元复合固态电解质及其制备方法 |
| US11600855B2 (en) | 2020-11-25 | 2023-03-07 | Samsung Electronics Co., Ltd. | Solid-state electrolyte, solid-state battery including the electrolyte, and method of making the same |
| JP7665985B2 (ja) * | 2021-01-15 | 2025-04-22 | 株式会社Gsユアサ | 負極、負極の製造方法、非水電解液蓄電素子、非水電解質蓄電素子の製造方法、及び非水電解液蓄電素子の製造方法 |
| JP7732261B2 (ja) * | 2021-07-23 | 2025-09-02 | 株式会社デンソー | 固体電解質およびリチウムイオン電池 |
| CN113725486A (zh) * | 2021-08-30 | 2021-11-30 | 慈溪斯昂尼电池有限公司 | 具有稳定聚合物加陶瓷电解质成份的阻燃防爆固态电池 |
| TWI850861B (zh) | 2022-11-18 | 2024-08-01 | 財團法人工業技術研究院 | 複合金屬箔及其製造方法 |
| CN117594866B (zh) * | 2023-10-25 | 2024-06-04 | 浙江大学 | 一种硫氮化物固态电解质及其制备方法和应用 |
| CN119381539B (zh) * | 2024-11-26 | 2026-02-10 | 西安交通大学 | 一种锂与固态电解质的界面键合层、界面键合方法及应用 |
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- 2019-09-23 JP JP2021515640A patent/JP7367007B2/ja active Active
- 2019-09-23 CN CN201980060492.4A patent/CN112703618A/zh active Pending
- 2019-09-23 EP EP19864230.8A patent/EP3857627A4/en not_active Withdrawn
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| EP3857627A1 (en) | 2021-08-04 |
| EP3857627A4 (en) | 2022-06-22 |
| JP7367007B2 (ja) | 2023-10-23 |
| US20200099046A1 (en) | 2020-03-26 |
| WO2020068635A1 (en) | 2020-04-02 |
| US12080880B2 (en) | 2024-09-03 |
| KR20220071142A (ko) | 2022-05-31 |
| CN112703618A (zh) | 2021-04-23 |
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