JP7212669B2 - ソリッドステートバッテリーセル及びソリッドステートバッテリーの製造 - Google Patents
ソリッドステートバッテリーセル及びソリッドステートバッテリーの製造 Download PDFInfo
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- JP7212669B2 JP7212669B2 JP2020502115A JP2020502115A JP7212669B2 JP 7212669 B2 JP7212669 B2 JP 7212669B2 JP 2020502115 A JP2020502115 A JP 2020502115A JP 2020502115 A JP2020502115 A JP 2020502115A JP 7212669 B2 JP7212669 B2 JP 7212669B2
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- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 2
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- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
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- ILXAVRFGLBYNEJ-UHFFFAOYSA-K lithium;manganese(2+);phosphate Chemical class [Li+].[Mn+2].[O-]P([O-])([O-])=O ILXAVRFGLBYNEJ-UHFFFAOYSA-K 0.000 description 1
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Description
それはさらに、エッチングステップの間に、チャネル底部から第2の絶縁性金属酸化物バリヤ層を除去することを容易にしうる。
本開示の第1の態様に係る方法の実施形態は、第1の陽極処理ステップの間に超音波を提供することを含んでもよい。
本開示の第1の態様に係る方法の実施形態は、第1の陽極処理ステップ及び第2の陽極処理ステップの両方の間に超音波を提供することを含んでもよい。
この反応は以下のように記述することができる。
この層は、1~100nmの範囲、例えば5nmで、実質的に薄く形成されてもよい。
Claims (12)
- ソリッドステートバッテリーセル(80)を製造する方法であって、
上記方法は、互いに所定間隔を有する複数の導電性構造物(40)を基板(10)の上に形成することを含み、
上記複数の導電性構造物(40)を形成することは、バルブ金属層(11)の少なくとも一部を、第1の方向に沿って長手方向を有して整列した互いに所定間隔を有する複数のチャネル(13)を備えるテンプレート(20)に変換(201)することを含み、
上記変換することは、
上記バルブ金属層(11)の少なくとも一部を厚さ方向に陽極処理し、複数のチャネル(13)を備えるバルブ金属酸化物の多孔質層(12)を形成する第1の陽極処理ステップ(101)であって、各チャネルは、上記第1の方向に沿って長手方向を有して整列したチャネル壁(14)を有し、かつ、チャネル底部(15)を有し、上記チャネル底部(15)は、上記第1の陽極処理ステップ(101)の結果として得られる第1の絶縁性金属酸化物バリヤ層(21)によってコーティングされる第1の陽極処理ステップ(101)と、
上記チャネル壁(14)及び上記チャネル底部(15)に疎水面を誘導する保護処置(102)と、
上記保護処置の後の第2の陽極処理ステップ(103)であって、上記チャネル底部(15)から上記第1の絶縁性金属酸化物バリヤ層(21)を実質的に除去し、上記複数のチャネル(13)の底部(15)のみにおいて陽極処理を誘導し、上記チャネル底部(15)において第2の絶縁性金属酸化物バリヤ層(22)を生成する第2の陽極処理ステップ(103)と、
上記チャネル底部(15)から上記第2の絶縁性金属酸化物バリヤ層(22)を除去するエッチング液におけるエッチングステップ(104)とを含み、
上記方法は、
それによって、上記テンプレート(20)及び上記基板(10)を形成し、上記テンプレート(20)のチャネル(13)の内部に固体機能材料を堆積させ(202)、それによって、互いに所定間隔を有する複数のチャネル(13)の内部において、上記第1の方向に沿って長手方を有して整列した互いに所定間隔を有する複数の構造物(40)を形成することと、
上記複数の導電性構造物(40)の上において、上記複数の導電性構造物(40)の面をコンフォーマルにコーティングする活性電極材料の第1の層(43,72)を形成することと、
上記活性電極材料の第1の層(43,72)の上に電解質層(73)を堆積することと、
上記電解質層(73)の上に活性電極材料の第2の層(74)を形成することとを含み、
上記活性電極材料の第1の層(72)及び上記活性電極材料の第2の層(73)のうちの一方は、上記ソリッドステートバッテリーセル(80)の陰極層を形成し、他方は陽極層を形成し、
上記保護処置(102)は、300°C及び550°Cの間の範囲の温度においてアニーリング(1021)を行うことにより、又は、上記チャネル壁(14)及び上記チャネル底部(15)の上に保護層(31)を堆積(1022)することにより、上記疎水面を形成することを含み、
上記第2の陽極処理ステップ(103)は、上記チャネル底部(15)からのみ上記保護層(31)をさらに除去し、上記保護層(31)は、疎水性のシラン、エッチング液に耐性を有するポリマー、ポリスチレン、ポリ(メチル2-メチルプロパノアート)、又はポリ(ジメチルシロキサン)を含む、
ソリッドステートバッテリーセル(80)を製造する方法。 - 上記バルブ金属層(11)は、アルミニウム、アルミニウム合金、チタン、チタン合金、タンタル、又はタンタル合金の層を備える、
請求項1記載のソリッドステートバッテリーセル(80)を製造する方法。 - 上記エッチング液は、リン酸、硫酸、シュウ酸、クロム酸、アンモニア、過酸化水素、又は水酸化カリウムを含む水性のエッチング液である、
請求項1~2のうちの1つに記載のソリッドステートバッテリーセル(80)を製造する方法。 - 上記エッチング液は表面張力調整剤を含む、
請求項1~3のうちの1つに記載のソリッドステートバッテリーセル(80)を製造する方法。 - 上記第2の陽極処理ステップ(103)の間に超音波を提供することをさらに含む、
請求項1~4のうちの1つに記載のソリッドステートバッテリーセル(80)を製造する方法。 - 上記第1の陽極処理ステップ(101)は、上記バルブ金属層(11)の一部のみを上記厚さ方向に陽極処理し、それによって、上記テンプレート(20)と、上記テンプレートを支持する基板(10)とを形成し、
上記基板(10)は、上記バルブ金属層(11)の残りの陽極処理されなかった部分を含む、
請求項1~5のうちの1つに記載のソリッドステートバッテリーセル(80)を製造する方法。 - 上記固体機能材料を堆積すること(202)は、導電性材料、半導体材料、電気絶縁性材料、又はそれらの組み合わせを堆積することを含む、
請求項1~6のうちの1つに記載のソリッドステートバッテリーセル(80)を製造する方法。 - 請求項1~6のうちのいずれかに記載のソリッドステートバッテリーセル(80)を製造する方法(200)であって、
上記固体機能材料を堆積すること(202)は、定電流又は定電位の電着又はめっきによって導電性材料を堆積し、それによって、互いに所定間隔を有する複数の導電性構造物(40)を形成することを含む、
方法。 - 上記基板(10)は導電性基板であり、
上記互いに所定間隔を有する複数の導電性構造物と、上記基板との間において、1オーム cm2未満の接触抵抗を有する電気的な接触が確立される、
請求項8記載のソリッドステートバッテリーセル(80)を製造する方法(200)。 - 上記テンプレート(20)をエッチングによって除去することをさらに含む、
請求項1~9のうちの1つに記載のソリッドステートバッテリーセル(80)を製造する方法(200)。 - 上記活性電極材料の第1の層(43,72)を形成することは、
遷移金属酸化物、貴金属、又は貴金属酸化物を含み、0.5nm及び30nmの間の範囲における厚さを有する中間層(41)を、上記基板の上に堆積すること(301)と、
上記中間層(41)の上に機能材料前駆体層(42)を堆積すること(302)と、
上記機能材料前駆体層(42)をアニーリングによって活性化し(303)、それによって、機能材料の層(43)を形成することとを含む、
請求項1記載のソリッドステートバッテリーセル(80)を製造する方法。 - ソリッドステートバッテリー(90)を製造する方法であって、上記方法は、
請求項1~11のうちの1つに記載の方法によって複数のソリッドステートバッテリーセル(80)を製造することと、
互いに隣接するソリッドステートバッテリーセルの間に電解質を提供して、複数のソリッドステートバッテリーセル(80)のスタックを形成することとを含む、
方法。
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