Preparation of intercalation compounds and their support on porous filter by soft solution chemistry

软溶液化学制备插层化合物及其在多孔过滤器上的载体

• 批准号: 09555277
• 负责人: KIKKAWA Shinichi
• 金额: $ 8.32万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09555277/
• 关键词: soft solution chemistry; functional ceramic; metastable phases; nano-or meso-porous materials; micro gravity; intercalation compound; porous filter; COィイD22ィエD2absorption; 凍結乾燥; 微小重力; 均一混合; 均一核発生; ハイドロタルサイト; 二酸化炭素分離; 多孔体; フィルター; タングステン酸

Soft solution chemistry was applied for the preparation of functional ceramic materials including intercalation compounds. It led to the preparation of new metastable phases due to well-mixing of starting materials, the structural control to nano-or meso-porous materials and so on as follows:(1) Citric acid was added to mixed aqueous Zn and In nitrate solution as a gelling agent. The solution was concentrated at 100℃ under stirring and then fired at 350℃. Solid solution range of InィイD13+ィエD1 in ZnO extended to 15%. The products showed a good transparent electrical conductivity.(2) The citric acid method was also applied on ZrOClィイD22ィエD2-AlClィイD23ィエD2 system. Tetragonal zirconia fine powder was obtained in more homogeneously mixed state with alumina than product from the coprecipitation method.(3) Mixed chloride or nitrate aqueous solution was frozen under micro gravity condition instead of an addition of gelling agent. The product crystallized much better than the salt obtained at ambient condition after its drying under vacuum. The homogeneously mixed state was preserved even after its oxidation.(5) Nano- or meso-porous WOィイD23ィエD2 and VィイD22ィエD2O(5) were prepared using micelle of alkyl ammonium surfactant as a template or by leaching out fo BィイD22ィエD2OィイD23ィエD2 after its congruent melting with these oxides.

将软溶液化学应用于功能陶瓷材料（包括插层化合物）的制备。由于原料的充分混合以及对纳米或介孔材料的结构控制等原因，导致了新的亚稳相的制备：（1）柠檬酸作为胶凝剂加入到Zn和In的硝酸混合水溶液中。将溶液在100 ° C下在搅拌下浓缩，然后在350 ° C下烧制。In掺杂D13+ In掺杂D1在ZnO中的固溶范围扩展到15%。产物显示出良好的透明导电性。(2)本文还将柠檬酸法应用于ZrOCl_（22）Al_（23）与共沉淀法相比，四氧化锆微粉与氧化铝的混合更均匀。(3)在微重力条件下冷冻混合氯化物或硝酸盐水溶液，代替添加胶凝剂。在真空下干燥后，产物结晶比在环境条件下获得的盐好得多。均匀混合状态甚至在其氧化后也得以保持。(5)以烷基铵表面活性剂胶束为模板剂或将B氧化物D22氧化物D23氧化物D22溶出，制备了纳米或介孔WO氧化物D23氧化物D2和V氧化物D22氧化物D2O（5）。

项目成果

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K.Adhikary 等人：“通过柠檬酸前体 ronie 制备的 LT-锂钴氧化物的一些新方面”Mater.Res.Bull.33。

吉川信一: "ハイドロタルサイト担持フィルターによるCO_2の可逆分散"粉体および粉末冶金. 46. 300-304 (1999)

Shinichi Yoshikawa：“通过水滑石支撑的过滤器实现CO_2的可逆分散”粉末和粉末冶金学46。300-304（1999）。

吉川: "ハイドロタルサイト担持フィルターによるCO_2の可逆分離"粉体および粉末冶金. 46. 300-304 (1999)

吉川：“水滑石支撑过滤器可逆分离CO_2”粉末与粉末冶金学46。300-304（1999）。

吉川信一: "層状無機物質における新機能性"化学工業. 50. 514-517 (1999)

Shinichi Yoshikawa：“层状无机材料的新功能”《化学工业》50. 514-517 (1999)。

S.Kikkawa: "Soft chemical preparation and electrochemical oxygen-doping of La_2 Can-1 Cun C_<n+2>" J.Mater.Res. 13(印刷中). (1998)

S.Kikkawa：“La_2 Can-1 Cun C_<n+2> 的软化学制备和电化学氧掺杂”J.Mater.Res 13（出版中）。