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Применить Всего найдено 4. Отображено 4.
15-07-2021 дата публикации

OXYGEN CARRYING MATERIALS WITH SURFACE MODIFICATION FOR REDOX-BASED CATALYSIS AND METHODS OF MAKING AND USES THEREOF

Номер: US20210213424A1
Автор: Dudek Ryan, GAO Yunfei, Li Fanxing, NEAL Luke Michael, Sofranko John A., Yusuf Seif
Принадлежит:

Redox catalysts having surface medication, methods of making redox catalysts with surface modification, and uses of the surface modified redox catalysts are provided. In some aspects, the redox catalysts include a core oxygen carrier region and an outer shell having an average thickness of about 1-100 monolayers surrounding the outer surface of the core region. 2. The redox catalyst according to claim 1 , wherein the oxygen carrier comprises an oxide having a cubic crystal lattice structure claim 1 , wherein the oxide is selected from the group consisting of MgMnO claim 1 , CuPbOand NiMnO.3. The redox catalyst according to claim 2 , wherein the oxide is MgMnO.4. The redox catalyst according to claim 1 , further comprising an alkali metal or an alkali metal-containing compound.5. The redox catalyst according to claim 1 , further comprising boron or a boron-containing compound.6. The redox catalyst according to claim 2 , wherein the oxide comprises an alkaline earth metal.7. The redox catalyst according to claim 2 , wherein the oxide comprises manganese claim 2 , wherein the manganese has a valence state selected from 4 claim 2 , 3 claim 2 , 8/3 claim 2 , and 2.8. The redox catalyst according to claim 1 , wherein the oxygen carrier comprises:{'sub': 2', '4', '2', '4', '2', '2', '4', '11.5', '2', '4', '2', '4', '3', '3', '2', '10', '3', '3', '2, 'an oxide comprising at least one of NaBMgMnO, NaBMnMgO, NaMnO, LiMnO, MgMnBO, Mg(BO);'}a non-crystalline compound comprising oxygen; andat least one of sodium, boron, magnesium, manganese, and lithium.9. The redox catalyst according to claim 1 , wherein the oxygen carrier comprises:{'sub': 2', '4', '2', '4', '2', '2', '4', '11.5', '2', '4', '2', '4', '3', '3', '2', '10', '3', '3', '2, 'an oxide comprising at least one of NaBMgMnO, NaBMnMgO, NaMnO, LiMnO, MgMnBO, Mg(BO);'}a non-crystalline compound comprising oxygen; andat least one of sodium, boron, magnesium, manganese, and lithium.10. The redox catalyst according to claim 1 ...

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Номер записи: 1
09-07-2020 дата публикации

OXYGEN CARRYING MATERIALS WITH SURFACE MODIFICATION FOR REDOX-BASED CATALYSIS AND METHODS OF MAKING AND USES THEREOF

Номер: US20200215515A1
Автор: Dudek Ryan, GAO Yunfei, Li Fanxing, NEAL Luke Michael, Yusuf Seif
Принадлежит:

Redox catalysts having surface medication, methods of making redox catalysts with surface modification, and uses of the surface modified redox catalysts are provided. In some aspects, the redox catalysts include a core oxygen carrier region such as CaMnO, BaMnO, SrMnO, MnSiO, MnMgO, LaSrO, LaSrFeO, CaTiMnO, PrO, manganese ore, or a combination thereof; and an outer shell having an average thickness of about 1-100 monolayers surrounding the outer surface of the core region. The outer shell can include, for example a salt selected such as LiWO, NaWO, KWO, SrWO, LiMoO, NaMoO, KMoO, CsMoO, LiCO, NaCO, KCO, or a combination thereof. 1. The redox catalyst according to wherein:{'sub': 3', '3-δ', '3-δ', '2', '4', '2', '4-δ', '0.8', '0.2', '3-δ', '0.8', '0.2', '3-δ', '9', '0.1', '0.9', '3-δ', '6', '11-δ, '(a) the core region comprises an oxygen carrier selected from the group consisting of CaMnO, BaMnO, SrMnO, MnSiO, MnMgO, LaSrO, LaSrFeO, CaTiMnO, PrO, manganese ore, and a combination thereof; and'}{'sub': 2', '4', '2', '4', '2', '4', '4', '2', '4', '2', '4', '2', '4', '4', '2', '3', '2', '3', '2', '3, '(b) the outer shell comprises a salt selected from the group consisting of LiWO, NaWO, KWO, SrWO, LiMoO, NaMoO, KMoO, CsMoO, LiCO, NaCO, KCO, and a combination thereof.'}2. A redox catalyst comprising:(a) a core region having an outer surface, the core region comprising an oxygen carrier, and(b) an outer shell having an average thickness of about 1-100 monolayers surrounding the outer surface of the core region, the outer shell comprising a metal salt.3. The redox catalyst according to claim 2 , wherein the metal salt is selected from the group consisting of metal carbonates claim 2 , metal phosphates claim 2 , metal tungstates claim 2 , metal molybdates claim 2 , metal vanadates claim 2 , metal halides claim 2 , and a combination thereof.4. The redox catalyst according to claim 2 , wherein the outer shell comprises an alkaline earth metal tungstate selected from the group ...

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Номер записи: 2
28-12-2023 дата публикации

Oxygen carrying materials with surface modification for redox-based catalysis and methods of making and uses thereof

Номер: US20230415124A1
Автор: Fanxing Li, Luke Michael NEAL, Ryan Dudek, Seif Yusuf, Yunfei GAO
Принадлежит: North Carolina State University

Redox catalysts having surface medication, methods of making redox catalysts with surface modification, and uses of the surface modified redox catalysts are provided. In some aspects, the redox catalysts include a core oxygen carrier region such as CaMnO 3 , BaMnO 3-δ , SrMnO 3-δ , Mn 2 SiO 4 , Mn 2 MgO 4-δ , La 0.8 Sr 0.2 O 3-δ , La 0.8 Sr 0.2 FeO 3-δ , Ca 9 Ti 0.1 Mn 0.9 O 3-δ , Pr 6 O 11-δ , manganese ore, or a combination thereof; and an outer shell having an average thickness of about 1-100 monolayers surrounding the outer surface of the core region. The outer shell can include, for example a salt selected such as Li 2 WO 4 , Na 2 WO 4 , K 2 WO 4 , SrWO 4 , Li 2 MoO 4 , Na 2 MoO 4 , K 2 MoO 4 , CsMoO 4 , Li 2 CO 3 , Na 2 CO 3 , K 2 CO 3 , or a combination thereof.

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Номер записи: 3
14-11-2023 дата публикации

Oxygen carrying materials with surface modification for redox-based catalysis and methods of making and uses thereof

Номер: US11813592B2
Автор: Fanxing Li, Luke Michael NEAL, Ryan Dudek, Seif Yusuf, Yunfei GAO
Принадлежит: North Carolina State University

Redox catalysts having surface medication, methods of making redox catalysts with surface modification, and uses of the surface modified redox catalysts are provided. In some aspects, the redox catalysts include a core oxygen carrier region such as CaMnO 3 , BaMnO 3−δ , SrMnO 3−δ , Mn 2 SiO 4 , Mn 2 MgO 4−δ , La 0.8 Sr 0.2 O 3−δ , La 0.8 Sr 0.2 FeO 3−δ , Ca 9 Ti 0.1 Mn 0.9 O 3−δ , Pr 6 O 11−δ , manganese ore, or a combination thereof; and an outer shell having an average thickness of about 1-100 monolayers surrounding the outer surface of the core region. The outer shell can include, for example a salt selected such as Li 2 WO 4 , Na 2 WO 4 , K 2 WO 4 , SrWO 4 , Li 2 MoO 4 , Na 2 MoO 4 , K 2 MoO 4 , CsMoO 4 , Li 2 CO 3 , Na 2 CO 3 , K 2 CO 3 , or a combination thereof.

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Номер записи: 4