JP7840407B2 - 所望のナノカーボン同素体を作製するために二酸化炭素および高ニッケル含量アノードを利用する電解方法 - Google Patents
所望のナノカーボン同素体を作製するために二酸化炭素および高ニッケル含量アノードを利用する電解方法Info
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Description
本出願は、参照によりそれぞれの開示全体が本明細書に組み込まれる2021年11月24に出願された米国仮特許出願第63/282,985号および2022年1月18日に出願された米国仮特許出願第63/300,499号の優先権を主張する。
高純度の所望の同素体でナノカーボン生成物を作製するための電解プロセス条件
ニッケルで被覆されたCNT、ナノオニオン同素体、またはナノフラワー同素体でCNM生成物を合成する電気化学条件
ナノドラゴン、ナノツリー、ナノベルト、およびナノロッドの所望の同素体を持つCNM生成物を合成するための電気化学的動作パラメータ
様々なナノカーボン同素体のRaman分光法およびXRD分析
CNT<中空ナノオニオン<ドラゴン<フラワー<ナノツリー<バンブー<パール<ロッド<CNF<ベルト
である。
CNTが高純度/高収率であるCNM生成物を作製するための電解動作パラメータ
高アスペクト比CNTを持つCNM生成物を作製するための電解操作パラメータ
細いCNT同素体としてCNM生成物を作製するための電解操作パラメータ
ナノカーボン同素体の巨視的アセンブリを持つCNM生成物を作製するための電解操作パラメータ
実施例5~8のCNM生成物のRaman分光法およびXRD特徴付け
CNTナノウェブ<稠密充填CNT<CNTナノスポンジ
である。
高純度の所望のナノカーボン同素体でCNM生成物を作製するためのスケールアップ電解操作パラメータ
Claims (10)
- カーボンナノ材料(CNM)生成物を生成するための方法であって、
(a)炭酸塩電解質媒体を加熱して、溶融炭酸塩電解質媒体を得る工程と、
(b)前記溶融炭酸塩電解質媒体を、電解セルの高ニッケル含量アノードとカソードとの間に位置させる工程と、
(c)炭素の供給源を前記電解セル内に導入する工程と、
(d)電流を、前記電解セルの前記カソードおよび前記アノードに印加する工程と、
(e)前記CNM生成物を前記カソードから収集する工程と
を含み、前記CNM生成物が、円錐状カーボンナノ繊維、ナノバンブー、およびナノツリーの群から選択される所望の同素体を含み、前記ナノツリーが、トランクカーボンナノチューブ(CNT)から離れて延びる複数のブランチCNTを持つトランクCNTを含み、前記高ニッケル含量アノードが、純粋なニッケルまたは50重量%よりも多いニッケルを含む合金で作製されている、方法。 - 前記高ニッケル含量アノードが、少なくとも50重量%のニッケルを含む合金を含む、請求項1に記載の方法。
- 前記高ニッケル含量アノードは、少なくとも50重量%のニッケルを含む第1の合金の第1の層と少なくとも50重量%のニッケルを含む第2の合金の第2の層とを含む複合体アノードであり、前記第1の合金と前記第2の合金は異なる、請求項1に記載の方法。
- 前記アノードおよび前記カソードが、純粋なニッケルで共に作製され、前記所望の同素体が、30重量%の最小相対量のナノバンブーである、請求項1に記載の方法。
- ニッケル含有添加剤を、前記炭酸塩電解質媒体または前記溶融炭酸塩電解質媒体の量に対して、前記炭酸塩電解質媒体または前記溶融炭酸塩電解質媒体に添加する工程をさらに含み、前記アノードは、少なくとも50重量%のニッケルを含む第1の合金の第1の層と少なくとも50重量%のニッケルを含む第2の合金の第2の層とを含む複合体アノードであり、前記第1の合金と前記第2の合金は異なり、前記所望の同素体は、85重量%の最小相対量のナノバンブーである、請求項1に記載の方法。
- 前記溶融炭酸塩電解質媒体が新たに溶融され、前記CNM生成物が、6重量%の最小相対量の円錐状カーボンナノ繊維を含む、請求項1に記載の方法。
- リチウム含有添加剤を、前記炭酸塩電解質媒体または前記溶融炭酸塩電解質媒体に導入する工程をさらに含み、前記アノードが、少なくとも50重量%のニッケルを含む第1の合金の第1の層と少なくとも50重量%のニッケルを含む第2の合金の第2の層とを含む複合体アノードであり、前記第1の合金と前記第2の合金は異なり、前記所望の同素体が、95重量%の最小相対量のナノツリーである、請求項1に記載の方法。
- 前記リチウム含有添加剤が、酸化リチウムであり、前記炭酸塩電解質媒体または前記溶融炭酸塩電解質媒体の量に対して約0.05重量%~0.5重量%の間の量で添加される、請求項7に記載の方法。
- 磁性添加剤成分を前記電解セルに導入する工程をさらに含み、前記磁性添加剤成分が、磁性材料添加成分、磁性炭化物成長成分、またはこれらの任意の組合せを含み、前記所望の同素体は、磁性であり磁場にあるときに移動する、請求項1に記載の方法。
- ドープ添加剤成分を前記電解セルに導入する工程をさらに含み、前記所望の同素体はドープされ、前記ドープ添加剤成分の原子が、ドープされた所望の同素体の全体を通して直接組み込まれて、ドープされていない所望の同素体とは異なる所望の物理的および/または化学的性質を、前記ドープされた所望の同素体に与える、請求項1に記載の方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163282985P | 2021-11-24 | 2021-11-24 | |
| US63/282,985 | 2021-11-24 | ||
| US202263300499P | 2022-01-18 | 2022-01-18 | |
| US63/300,499 | 2022-01-18 | ||
| PCT/US2022/050882 WO2023096982A2 (en) | 2021-11-24 | 2022-11-23 | Electrolysis methods that utilize carbon dioxide and a high nickel-content anode for making desired nanocarbon allotropes |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2024542475A JP2024542475A (ja) | 2024-11-15 |
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